CN105952423A - Layered oil production method with suspension pump and production pipe column - Google Patents
Layered oil production method with suspension pump and production pipe column Download PDFInfo
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- CN105952423A CN105952423A CN201610373367.7A CN201610373367A CN105952423A CN 105952423 A CN105952423 A CN 105952423A CN 201610373367 A CN201610373367 A CN 201610373367A CN 105952423 A CN105952423 A CN 105952423A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 198
- 239000000725 suspension Substances 0.000 title claims abstract description 47
- 239000003129 oil well Substances 0.000 claims abstract description 105
- 238000004140 cleaning Methods 0.000 claims abstract description 70
- 238000000034 method Methods 0.000 claims abstract description 63
- 230000008569 process Effects 0.000 claims abstract description 24
- 238000002360 preparation method Methods 0.000 claims abstract description 19
- 238000011010 flushing procedure Methods 0.000 claims description 78
- 210000002445 nipple Anatomy 0.000 claims description 41
- 239000012530 fluid Substances 0.000 claims description 38
- 241000254175 Anthonomus grandis Species 0.000 claims description 31
- 241000283986 Lepus Species 0.000 claims description 20
- 238000007790 scraping Methods 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 16
- 210000000664 rectum Anatomy 0.000 claims description 13
- 239000004576 sand Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 137
- 239000011229 interlayer Substances 0.000 abstract description 20
- 238000001556 precipitation Methods 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/14—Obtaining from a multiple-zone well
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a layered oil production method with a suspension pump and a production string, belonging to the technical field of oil production in oil fields. The layered oil recovery method comprises the following steps: carrying out layered oil extraction preparation work, wherein the layered oil extraction preparation work comprises an oil well cleaning process, a production string cleaning process and a casing cleaning process; providing a layered oil production pipe column, and lowering the layered oil production pipe column into an oil well; providing a layered oil production rod column, and lowering the layered oil production rod column into an oil well, so that a suspension pump plunger of the layered oil production rod column is installed in a matching manner with a suspension pump cylinder of the layered oil production pipe column; and performing layered oil production through the layered oil production pipe column and the layered oil production rod column. The invention utilizes the packer to separate the middle layer of the oil wellThe oil layer separation with large pressure difference and outstanding interlayer interference contradiction avoids the interlayer interference of the oil layer, reduces the creeping of the oil production pipe column in the well by using a suspension pump, is applied to more than 30 wells on site, has the once success rate of the layered oil production of 100 percent, averagely increases the yield of a single well of an oil well by more than 4.5 tons, and averagely reduces the daily precipitation by 6.8m3The above.
Description
Technical field
The invention belongs to oil extraction in oil field technical field, particularly to a kind of with the oil production by layer method hanging pump
And flow string.
Background technology
For Heterogeneous Medium Sandstone Oil Field, owing to it has, oil reservoir is many, interlayer physical difference is big, interlayer interference is tight
The feature of weight, so generally using the mode of oil production by layer to exploit it.
Common layering oil production technology the most first uses packer to be separated by each interval, and the most every layer is separated
Recover the oil, thus reach to eliminate the purpose of interlayer interference.
During realizing the present invention, inventor find prior art at least there is problems in that due to
In the work process recovered the oil, being high temperature and high pressure environment in well, flow string is easy to during adding unloading
Produce flexible wriggling, thus cause packer to lose efficacy, and then be unable to reach the purpose of oil production by layer.
Summary of the invention
In order to solve the problem that flow string is wriggled in down-hole, embodiments provide a kind of with suspension
The oil production by layer method of pump and flow string.Described technical scheme is as follows:
On the one hand, a kind of oil production by layer method with suspension pump, described layering are embodiments provided
Oil production method includes:
Step one: preparation of construction
A, well-flushing: pumping into clear water from oil jacket annular space and make flushing fluid, flushing fluid returns out from oil pipe, the row of flushing fluid
Amount controls 25～30m3/ h, treats that returning out clear water from oil pipe stops well-flushing；Continue to see after well head pressure is zero
Examine 2 hours, treat that well head, without overflow, tears well head open, the SFZ18-21 preventer that pressure testing is qualified is installed；
B, trip out flow string: play producing well and normally recover the oil the flow string produced, flow string include oil pipe,
Oil well pump and sucker rod；
C, with boiler car by oil pipe, sucker rod thorn wash clean, right on ground φ 58mm × 0.5m oil pipe rule
Oil pipe is carried out by root latus rectum；
D, sand washing: under with the sand-flushing pipe column of nib, sand washing is to artificial bottom of a well；Sand-flushing pipe column with nib
Screwed connection is relied on to form by oil pipe and nib from top to bottom from well head；
E, drifting: under in oil well casing, enter the drifting tubing string with φ 118mm × 1.2m jack rabbit, drifting
Tubing string includes oil pipe, φ 118mm × 1.2m jack rabbit, and drifting tubing string is oil pipe thread from top to bottom from well head
Connect jack rabbit；Drifting, to artificial bottom of a well, leads to 3 times in the section of setting, it is ensured that unblocked continuously, speed control
System is 10～20m/min；
F, sleeve pipe scraping: enter under in down-hole casing with GX-140T casing scraper full well section sleeve pipe
Inwall carries out one time and bores scraping, removes the dirt of down-hole casing inwall, wax and other internal surface of sleeve pipe obturator；Set
Pipe scraping tubing string includes oil pipe, oil pipe variable buckle joint and GX-140T casing scraper, from well head from top to bottom
For oil pipe, oil pipe lower end connected pipes variable buckle joint, oil pipe variable buckle joint lower end connects casing scraper；Oil
Manage, threaded between oil pipe variable buckle joint and casing scraper；
G, for the second time well-flushing: pumping into clear water from oil jacket annular space and make flushing fluid, flushing fluid returns out from oil pipe, well-flushing
The displacement control of liquid is 30～35m3/ h, treats that returning out clear water from oil pipe stops well-flushing；Trip out scraper column of casing；
Step 2, with hang pump separate-layer production string construction
A, with hang pump separate-layer production string；With hanging the separate-layer production string of pump by well head from upper
Under be followed successively by: boll-weevil hanger, φ 73mm tubing nipple, φ 73mm heavy wall tubing, hang pump pump barrel,
φ 73mm tubing nipple, φ 73mm heavy wall tubing, point adopt valve, oil well pump anti-sticking with downhole modulator
Leakproof automatic cleaning machine, φ 73mm heavy wall tubing, Y221-114 packer, φ 73mm heavy wall tubing, band
Have adopt valve, oil well pump anti-clip leak-proof automatic cleaning machine, φ 73mm heavy wall tubing, φ dividing of downhole modulator
73mm plug；
Boll-weevil hanger lower end connects φ 73mm tubing nipple, φ 73mm tubing nipple lower end connects φ
73mm heavy wall tubing, φ 73mm heavy wall tubing lower end connect suspension pump pump barrel, hang the connection of pump pump barrel lower end
φ 73mm tubing nipple, φ 73mm tubing nipple lower end connect oil well pump anti-clip leak-proof automatic cleaning machine, take out
Oil pump anti-clip leak-proof automatic cleaning machine lower end connects φ 73mm heavy wall tubing, φ 73mm heavy wall tubing lower end even
Tape splicing have downhole modulator point adopt valve, valve lower end of point adopting with downhole modulator connects φ 73mm and adds heat-bodied oil
Pipe, φ 73mm heavy wall tubing lower end connect Y221-114 packer, Y221-114 packer lower end connects φ
73mm heavy wall tubing, φ 73mm heavy wall tubing lower end connect with adopting valve, with well dividing of downhole modulator
To connect oil well pump anti-clip leak-proof automatic cleaning machine, oil well pump anti-clip leak-proof automatic in the valve lower end of point adopting of lower actuator
Washer lower end connects φ 73mm heavy wall tubing, φ 73mm heavy wall tubing lower end connects φ 73mm plug；
Boll-weevil hanger, φ 73mm tubing nipple, φ 73mm heavy wall tubing, suspension pump pump barrel, φ 73mm
Tubing nipple, φ 73mm heavy wall tubing, with downhole modulator point to adopt valve, oil well pump anti-clip leak-proof automatic
Washer, φ 73mm heavy wall tubing, Y221-114 packer, φ 73mm heavy wall tubing, with down-hole adjust
Valve, oil well pump anti-clip leak-proof automatic cleaning machine, φ 73mm heavy wall tubing, φ 73mm plug are adopted in dividing of joint device
Between rely on screwed connection；
Carry on B, packer and setting: at well mouth oil pipe hanger upper end screwed connection 1.0m tubing nipple, so
Carrying boll-weevil hanger 1.5～2.0m on Hou, reading on weight indicator in observation Operation Van, when reading is 70～80KN
Time, transfer boll-weevil hanger, lay down 1m tubing nipple, set；
Step 3, with hang pump oil production by layer roofbolt construction
A, under enter with hang pump oil production by layer roofbolt；With hanging the oil production by layer roofbolt of pump by well head certainly
Upper and under be followed successively by: φ 28mm polished rod, φ 25mm sucker rod, φ 22mm sucker rod, φ 19mm take out
Beam hanger, suspension pump plunger；Divide and adopt roofbolt running speed less than 30～35/h；
φ 28mm polished rod, φ 25mm sucker rod, φ 22mm sucker rod, φ 19mm sucker rod, suspension
Screwed connection is used between pump plunger；
B, adjustment dead space.Put in place under plunger after entrance pump barrel, carry dead space 0.8m by every 1000m roofbolt；
Step 4, completion
Installing well head, completion oil well normally rises and takes out；Construct with the oil production by layer hanging pump.
On the other hand, embodiments provide a kind of with hang pump oil production by layer method, described point
Layer oil production method includes:
Carrying out oil production by layer preparation, described oil production by layer preparation includes cleaning oil well flow, cleaning
Flow string flow process and cannula cleaning flow process；
Thering is provided separate-layer production string, described separate-layer production string includes boll-weevil hanger, hangs pump pump barrel, silk
Stifled, oil well pump anti-clip leak-proof automatic cleaning machine, point adopt pipeline section, multiple tubing nipple and multiple heavy wall tubing,
Described boll-weevil hanger is positioned at the top of described separate-layer production string, and described boll-weevil hanger passes sequentially through oil
Pipe pipe nipple and heavy wall tubing are connected with described suspension pump pump barrel,
Described oil well pump anti-clip leak-proof automatic cleaning machine is arranged on described point adopts valve with downhole modulator
Lower section, adopt pipeline section for described point and be arranged on described oil well pump anti-clip leak-proof automatic cleaning machine by heavy wall tubing
Top, adopts at least two that pipeline section includes from top to bottom being sequentially arranged point adopting with downhole modulator for described point
Valve, two adjacent described all has packer by heavy wall tubing connection with point adopting of downhole modulator between valve,
The described valve of point adopting with downhole modulator being positioned at bottom connects and has oil well pump anti-clip leak-proof automatically to clean
Device, oil well pump anti-clip leak-proof automatic cleaning machine are connected with described plug by heavy wall tubing, described layering are adopted
Tubing string is transferred to oil well；
Thering is provided oil production by layer roofbolt, described oil production by layer roofbolt includes polished rod, hangs pump plunger and multiple oil pumping
Bar, described suspension pump plunger is connected with described polished rod, by under oil production by layer roofbolt by the plurality of sucker rod
Put to oil well so that the suspension hanging pump plunger and described separate-layer production string of described oil production by layer roofbolt
Pump pump barrel coordinates to be installed；
Oil production by layer work is carried out by described separate-layer production string and described oil production by layer roofbolt.
Further, described cleaning oil well flow includes:
Carrying out well-flushing operation for the first time, the operation of described first time well-flushing includes: by flushing fluid from being positioned at well head
Pump at oil jacket annular space between oil pipe and sleeve pipe, the flushing fluid being pumped to the impurity in oil jacket annular space from
Described oil pipe returns out, until after the limpid free from admixture of the flushing fluid returned out in described oil pipe, stops well-flushing for the first time
Operation.
Further, described cleaning flow string flow process includes:
In well, trip out described flow string, use boiler car thorn to wash described oil pipe and described sucker rod；
Use oil pipe rule that described oil pipe carries out oil pipe latus rectum operation.
Further, described cannula cleaning flow process includes:
Drifting tubing string is transferred to described sleeve pipe, utilizes the jack rabbit in described latus rectum tubing string to described sleeve pipe
Carry out run through casing size operation.
Further, described cannula cleaning flow process also includes:
After described run through casing size operates, scraper column of casing is transferred to described sleeve pipe, utilize described
Casing scraper in scraper column of casing carries out internal surface of sleeve pipe scraping operations to described sleeve pipe.
Further, described cleaning oil well flow also includes:
After described internal surface of sleeve pipe scraping operations, carrying out second time well-flushing operation, described second time well-flushing is grasped
Work includes: by flushing fluid at the oil jacket annular space between the oil pipe in described sleeve pipe and described scraper column of casing
Pumping into, the flushing fluid being pumped to returns with the oil pipe in described scraper column of casing of the impurity in oil jacket annular space
Go out, after the limpid free from admixture of the flushing fluid returned out, stop second time well-flushing operation, by described sleeve pipe scraping pipe
Post trips out in well.
Further, described oil production by layer method also includes:
Described described flow string is transferred to oil well after, by carry described separate-layer production string and make
Described packer moves upward, and observes the reading of weight indicator in Operation Van, when described reading be 70kN extremely
During 80kN, again transfer described separate-layer production string, thus complete described packer set operation.
Further, described oil production by layer method also includes:
After the oil production by layer roofbolt of described suspension pump is transferred to oil well, by described oil production by layer roofbolt
Being lifted up, think that described oil production by layer roofbolt provides dead space, described dead space is described oil production by layer bar
0.0008 times of post.
Another aspect, embodiments provides a kind of flow string with suspension pump, described production pipe
Post provide separate-layer production string, described separate-layer production string include boll-weevil hanger, hang pump pump barrel, plug,
Oil well pump anti-clip leak-proof automatic cleaning machine, point adopt pipeline section, multiple tubing nipple and multiple heavy wall tubing, described
Boll-weevil hanger is positioned at the top of described separate-layer production string, and it is short that described boll-weevil hanger passes sequentially through oil pipe
Joint and heavy wall tubing are connected with described suspension pump pump barrel, and described oil well pump anti-clip leak-proof automatic cleaning machine passes through
Heavy wall tubing is arranged on the described lower section point adopting valve with downhole modulator, adopts pipeline section by adding for described point
Heat-bodied oil pipe is arranged on the lower section of described oil well pump anti-clip leak-proof automatic cleaning machine, adopts pipeline section for described point and includes by upper
At least two being sequentially arranged under to adopts valve with dividing of downhole modulator, and two adjacent described with down-hole tune
Point adopting of joint device all has packer by heavy wall tubing connection between valve, is positioned at the described with down-hole of bottom
The valve of point adopting of actuator connects and has oil well pump anti-clip leak-proof automatic cleaning machine, oil well pump anti-clip leak-proof automatically to clean
Device is connected with described plug by heavy wall tubing；
Described oil production by layer roofbolt includes polished rod, hangs pump plunger and multiple sucker rod, described suspension pump plunger
It is connected with described polished rod by the plurality of sucker rod.
The technical scheme that the embodiment of the present invention provides has the benefit that
By use that the embodiment of the present invention provided with hanging the oil production by layer method of pump, first carry out point
Layer oil recovery preparation, oil production by layer preparation includes the cleaning oil well flow performed respectively, cleans production
Tubing string flow process and cannula cleaning flow process, then transfer separate-layer production string to oil well, separate-layer production string
Oil well is layered by interior packer, is transferred to oil well by oil production by layer roofbolt the most again so that layering
The pump plunger that hangs of rod string coordinates installation, finally by layering with the suspension pump pump barrel of separate-layer production string
Flow string and oil production by layer roofbolt carry out oil production by layer work.This oil production by layer method utilizes packer by oil
The oil reservoir that in well, interlayer pressure gap is big, interlayer interference is particularly thorny is separately, it is to avoid oil reservoir interlayer interference,
Utilizing suspension pump fall to resist the separate-layer production string wriggling in down-hole, on-the-spot more than 30 mouth wells application, layering is adopted
Oil one-time success rate 100%, oil well well yield averagely increases by more than 4.5 tons, average daily precipitation 6.8m3With
On.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, institute in embodiment being described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the oil production by layer method that the embodiment of the present invention two provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Embodiment is described in further detail.
Embodiment one
A kind of oil production by layer method with suspension pump that the embodiment of the present invention provides, the determination side of the present embodiment
Method application more than 30 mouth oil well, oil production by layer one-time success rate 100% at the scene.Particularly Shanxi XXX-15 oil
After well construction, the per day increase of oil well well yield 4.5 tons, average daily precipitation 6.8m3。
This well requires epimere 16 in 2015 06 month geological scheme#、18#、19#、20#Layer, stress level 0.95；
With hypomere 23#、25#、28#Layer, stress level 1.0MPa；Carry out oil production by layer.Oil production by layer requires: on
Section 16#、18#、19#、20#Layer, 15m3/d；Hypomere 23#、25#、28#Layer, 10m3/d；Lower pump requires:
Day production fluid 25m3, liquid level 1800m.
Table 1: JinXXX-15Jing each layer basic data
| Level number | Well section | Thickness (m) |
| 16# | 2858.4～2860.0 | 1.6m |
| 18# | 2864.2～2872.2 | 8.0m |
| 19# | 2881.0～2885.0 | 4.0m |
| 20# | 2888.2～2893.4 | 5.2m |
| 23# | 2925.0～2927.2 | 2.2m |
| 25# | 2940.4～2943.0 | 2.6m |
| 28# | 2925.0～2955.6 | 3.6m |
Petroleum production engineering, according to geological scheme, uses with the oil production by layer method construction hanging pump.
Specifically, this oil production by layer method includes:
Step one: preparation of construction
A, well-flushing: pumping into clear water from oil jacket annular space and make flushing fluid, flushing fluid returns out from oil pipe, the row of flushing fluid
Amount controls 25～30m3/ h, treats that returning out clear water from oil pipe stops well-flushing；Continue to see after well head pressure is zero
Examine 2 hours, treat that well head, without overflow, tears well head open, the SFZ18-21 preventer that pressure testing is qualified is installed；
B, trip out flow string: play producing well and normally recover the oil the flow string produced, flow string include oil pipe,
Oil well pump and sucker rod；
C, with boiler car by oil pipe, sucker rod thorn wash clean, right on ground φ 58mm × 0.5m oil pipe rule
Oil pipe is carried out by root latus rectum；Carry out oil pipe by root latus rectum to be this on ground φ 58mm × 0.5m oil pipe rule
Technology and the method known to operator in field, do not describing in detail；
D, sand washing: under with the sand-flushing pipe column of nib, sand washing is to artificial bottom of a well；The sand clean out pipe with nib
Post is relied on screwed connection to form by oil pipe and nib from well head from top to bottom；Oil pipe and nib are that device is commonly used in oil field
Material, commercially available；It rushes a kind of farm tools method is technology and the method known to operator in this area, is not describing in detail；
E, drifting: under in oil well casing, enter the drifting tubing string with φ 118mm × 1.2m jack rabbit, drifting
Tubing string includes oil pipe, φ 118mm × 1.2m jack rabbit, and drifting tubing string is oil pipe thread from top to bottom from well head
Connect jack rabbit；Drifting, to artificial bottom of a well, leads to 3 times in the section of setting, it is ensured that unblocked continuously, speed control
System is 10～20m/min；
F, sleeve pipe scraping: enter under in down-hole casing with GX-140T casing scraper full well section sleeve pipe
Inwall carries out one time and bores scraping, removes the dirt of down-hole casing inwall, wax and other internal surface of sleeve pipe obturator；Set
Pipe scraping tubing string includes oil pipe, oil pipe variable buckle joint and GX-140T casing scraper, from well head from top to bottom
For oil pipe, oil pipe lower end connected pipes variable buckle joint, oil pipe variable buckle joint lower end connects casing scraper；Oil
Pipe, screwed connection between oil pipe variable buckle joint and casing scraper；
G, for the second time well-flushing: pumping into clear water from oil jacket annular space and make flushing fluid, flushing fluid returns out from oil pipe, well-flushing
The displacement control of liquid is 30～35m3/ h, treats that returning out clear water from oil pipe stops well-flushing；Trip out scraper column of casing；
Step 2, with hang pump separate-layer production string construction
A, with hang pump separate-layer production string；With hanging the separate-layer production string of pump by well head from upper
Under be followed successively by: boll-weevil hanger, φ 73mm tubing nipple, φ 73mm heavy wall tubing, hang pump pump barrel,
φ 73mm tubing nipple, φ 73mm heavy wall tubing, point adopt valve, oil well pump anti-sticking with downhole modulator
Leakproof automatic cleaning machine, φ 73mm heavy wall tubing, Y221-114 packer, φ 73mm heavy wall tubing, band
Have adopt valve, oil well pump anti-clip leak-proof automatic cleaning machine, φ 73mm heavy wall tubing, φ dividing of downhole modulator
73mm plug；
Boll-weevil hanger lower end connects φ 73mm tubing nipple, φ 73mm tubing nipple lower end connects φ
73mm heavy wall tubing, φ 73mm heavy wall tubing lower end connect suspension pump pump barrel, hang the connection of pump pump barrel lower end
φ 73mm tubing nipple, φ 73mm tubing nipple lower end connect oil well pump anti-clip leak-proof automatic cleaning machine, take out
Oil pump anti-clip leak-proof automatic cleaning machine lower end connects φ 73mm heavy wall tubing, φ 73mm heavy wall tubing lower end even
Tape splicing have downhole modulator point adopt valve, valve lower end of point adopting with downhole modulator connects φ 73mm and adds heat-bodied oil
Pipe, φ 73mm heavy wall tubing lower end connect Y221-114 packer, Y221-114 packer lower end connects φ
73mm heavy wall tubing, φ 73mm heavy wall tubing lower end connect with adopting valve, with well dividing of downhole modulator
To connect oil well pump anti-clip leak-proof automatic cleaning machine, oil well pump anti-clip leak-proof automatic in the valve lower end of point adopting of lower actuator
Washer lower end connects φ 73mm heavy wall tubing, φ 73mm heavy wall tubing lower end connects φ 73mm plug；
Boll-weevil hanger, φ 73mm tubing nipple, φ 73mm heavy wall tubing, suspension pump pump barrel, φ 73mm
Tubing nipple, φ 73mm heavy wall tubing, with downhole modulator point to adopt valve, oil well pump anti-clip leak-proof automatic
Washer, φ 73mm heavy wall tubing, Y221-114 packer, φ 73mm heavy wall tubing, with down-hole adjust
Valve, oil well pump anti-clip leak-proof automatic cleaning machine, φ 73mm heavy wall tubing, φ 73mm plug are adopted in dividing of joint device
Between rely on screwed connection；
Carry on B, packer and setting: connect 1.0m tubing nipple at well mouth oil pipe hanger threaded upper ends, so
Carrying boll-weevil hanger 1.5～2.0m on Hou, reading on weight indicator in observation Operation Van, when reading is 70～80KN
Time, transfer boll-weevil hanger, lay down 1m tubing nipple, set；
Step 3, with hang pump oil production by layer roofbolt construction
A, under enter with hang pump oil production by layer roofbolt；With hanging the oil production by layer roofbolt of pump by well head certainly
Upper and under be followed successively by: φ 28mm polished rod, φ 25mm sucker rod, φ 22mm sucker rod, φ 19mm take out
Beam hanger, suspension pump plunger；Divide and adopt roofbolt running speed less than 30～35/h；
φ 28mm polished rod, φ 25mm sucker rod, φ 22mm sucker rod, φ 19mm sucker rod, suspension
Screwed connection is used between pump plunger；
B, adjustment dead space.Put in place under plunger after entrance pump barrel, carry dead space 0.8m by every 1000m roofbolt；
Step 4, completion
Installing well head, completion oil well normally rises and takes out；Construct with the oil production by layer hanging pump.
By use that the embodiment of the present invention provided with hanging the oil production by layer method of pump, first carry out point
Layer oil recovery preparation, oil production by layer preparation includes the cleaning oil well flow performed respectively, cleans production
Tubing string flow process and cannula cleaning flow process, then transfer separate-layer production string to oil well, separate-layer production string
Oil well is layered by interior packer, is transferred to oil well by oil production by layer roofbolt the most again so that layering
The pump plunger that hangs of rod string coordinates installation, finally by layering with the suspension pump pump barrel of separate-layer production string
Flow string and oil production by layer roofbolt carry out oil production by layer work.This oil production by layer method utilizes packer by oil
The oil reservoir that in well, interlayer pressure gap is big, interlayer interference is particularly thorny is separately, it is to avoid oil reservoir interlayer interference,
Suspension pump fall is utilized to resist the separate-layer production string wriggling in down-hole, on-the-spot more than 30 mouth oil wells, oil production by layer
One-time success rate 100%.Particularly after Shanxi XXX-15 well construction, the per day increase of oil well well yield 4.8
Ton, average daily precipitation 7.3m3Above.
Embodiment two
A kind of oil production by layer method with suspension pump that the embodiment of the present invention provides, as it is shown in figure 1, this point
Layer oil production method includes:
Step 110: carry out oil production by layer preparation, oil production by layer preparation include clean oil well flow,
Clean flow string flow process and cannula cleaning flow process.
As such, it is possible to the oil jacket annular space between oil pipe and sleeve pipe is cleaned up by cleaning oil well flow, logical
Original flow string is cleaned up by over cleaning flow string flow process, by cannula cleaning flow process by sleeve pipe
Inner wall washing is clean such that it is able to improved a chance of success of oil production by layer by oil production by layer preparation.
When implementing, oil production by layer preparation comprises the following steps:
Step 111: carry out well-flushing operation for the first time, well-flushing operation for the first time includes: by flushing fluid from being positioned at well
Mouthful oil pipe and sleeve pipe between oil jacket annular space at pump into, miscellaneous with in oil jacket annular space of the flushing fluid being pumped to
Matter is returned out from oil pipe, until after the limpid free from admixture of the flushing fluid returned out in oil pipe, stops well-flushing operation for the first time.
So, reached to clean the purpose of oil jacket annular space.
In above-mentioned implementation, the displacement control of flushing fluid is 25～30m3/ h, is stopping well-flushing for the first time
After operation, well head pressure should be zero, hereafter continues to observe well head pressure at least 2 hours, if well head without
Overflow, then install preventer at well head, thus play and prevent oil well from producing blowout.
Preferably, the preventer that model can be selected to be SFZ18-21, it should be noted that the type of preventer
Number it is not limited in above-mentioned preferred version, in other embodiments, it is also possible to select not according to different demands
The preventer of same model, such as SFZ18-35 etc., the present invention is without limitation.
Step 112: trip out flow string in well, flow string includes oil pipe and sucker rod, uses boiler car
Thorn washing oil pipe and sucker rod.
So, original flow string is tripped out in well so that staff can be on the ground to oil pipe
Carry out thorn with sucker rod and wash operation, thus reach the purpose of cleaning tubing and sucker rod.
Step 113: use oil pipe rule that oil pipe carries out oil pipe latus rectum operation.
When implementing, the oil pipe rule using specification to be φ 58mm × 0.5m in bottom surface carry out latus rectum behaviour to oil pipe
Making, if having many with oil pipe, then carrying out latus rectum one by one to each with oil pipe.
It should be noted that the specification of oil pipe rule can be changed according to practical situation, such as when oil pipe
When specification is bigger, the specification of oil pipe rule can also increase accordingly, and the specification that oil pipe is advised by the present invention does not limits
System.
Step 114: sand-flushing pipe column is transferred to artificial bottom of a well；After sand-flushing pipe column is transferred, utilize sand clean out pipe
Post carries out sand washing operation to producing well, and the specific embodiment of sand washing operation is basically identical with prior art,
Do not repeat at this.Wherein, artificial bottom of a well is the upper plane of the nethermost cement plug of finger sleeve.
In above-mentioned implementation, sand-flushing pipe column can include that oil pipe and nib, nib lead to the bottom of oil pipe
Crossing screwed connection, wherein, oil pipe is for carrying sand cleaning fluid in well, and nib is used for improving the flow velocity of sand cleaning fluid,
To reach to improve the purpose of sand washing effect.
Step 115: transferred to sleeve pipe by drifting tubing string, utilizes the jack rabbit in latus rectum tubing string to carry out sleeve pipe
Run through casing size operates.
As such, it is possible to during latus rectum operates, remove the foreign material in sleeve pipe.
In above-mentioned implementation, drifting tubing string can include the end of oil pipe and jack rabbit, jack rabbit and oil pipe
Portion is threaded, such that it is able to utilize oil pipe to be transferred to well by jack rabbit.
When implementing, jack rabbit is transferred to artificial bottom of a well by sleeve pipe from well head always, logical to complete sleeve pipe
Footpath operates.
Preferably due to the cleannes of the section of setting (for laying the well section of packer) are required higher, when
When jack rabbit is transferred to the section of setting, need to lead to three times the most continuously in the section of setting such that it is able to ensure the section of setting
Cleannes meet construction requirement.It should be noted that for the number of times of the logical section of setting, can be according to difference
Construction requirement and change accordingly, such as when the cleannes of the section of setting are required higher, it is also possible to suitably increase
Adding the number of times of the logical section of setting, the present invention is without limitation.
In the present embodiment, the specification of jack rabbit elects φ 118mm × 1.2m as, and the translational speed of jack rabbit controls
10～20m/min, it is readily appreciated that, the specification of jack rabbit and translational speed all can be according to actual demands
And making corresponding change, the present invention is without limitation.
After run through casing size has operated, drifting tubing string is tripped out in well.
Step 116: transferred to sleeve pipe by scraper column of casing, utilizes the sleeve pipe scraping in scraper column of casing
Device carries out internal surface of sleeve pipe scraping operations to sleeve pipe.
As such, it is possible to the dirt on internal surface of sleeve pipe, wax and other internal surface of sleeve pipe are blocked by scraper column of casing
Thing is removed clean.
In above-mentioned implementation, scraper column of casing can include that oil pipe, oil pipe variable buckle joint and sleeve pipe are scraped
Cutting device, casing scraper is connected with the bottom of oil pipe by oil pipe variable buckle joint, so that casing scraper
Can be transferred to well by oil pipe.
Preferably, casing scraper selects model to be the casing scraper of GX-140T, it should be noted that
The model of casing scraper is not limited in above-mentioned preferred version, and in other embodiments, casing scraper is also
Can be other models, such as GX-146T etc., the present invention be without limitation.
Step 117: carry out second time well-flushing operation, well-flushing operation for the second time includes: by flushing fluid from sleeve pipe and
Pumping at oil jacket annular space between oil pipe in scraper column of casing, the flushing fluid being pumped to is with oil jacket annular space
Interior impurity oil pipe in scraper column of casing returns out, after the limpid free from admixture of the flushing fluid returned out, stops
Well-flushing operation, trips out scraper column of casing in well for the second time.
As such, it is possible to the foreign material scraped in internal surface of sleeve pipe scraping operations are rinsed by second time well-flushing operation
Totally.
When implementing, can be by the displacement control of flushing fluid 30～35m3/ h, it should be noted that wash
The discharge capacity of well liquid can make corresponding change according to actual demand, and the present invention is without limitation.
Step 121: provide separate-layer production string, separate-layer production string includes hanging pump and packer, will layering
Flow string is transferred to oil well.
As such, it is possible to utilize packer by oil well, interlayer pressure gap is big, interlayer interference is particularly thorny oil
Layer is separately, it is to avoid oil reservoir interlayer interference, reduces the separate-layer production string wriggling in down-hole.
Preferably, the packer that packer can select model to be Y221-114.
Step 122: carry separate-layer production string on by and packer is moved upward, observes the finger in Operation Van
The reading of weight table, when reading is 70kN to 80kN, again transfers separate-layer production string, thus completes envelope
Operation is set every device.
As such, it is possible to by setting operation by packer setting in oil jacket annular space, so that packer energy
Enough different oil reservoirs is separated.
It should be noted that the method that sets of packer is corresponding with the model of packer, selected by the present embodiment
Packer model be Y221-114, what this packer was corresponding sets mode is that machinery sets, it is possible to
Set by the method in above-mentioned steps 121, it is readily appreciated that, in other embodiments, if choosing
With the packer of other models, it sets mode accordingly and is likely to difference, such as hydraulic setting, from swollen
Swollen set.
Step 131: oil production by layer roofbolt is transferred to oil well so that the suspension pump plunger of oil production by layer roofbolt
Installation is coordinated with the suspension pump pump barrel of separate-layer production string.
As such, it is possible to be transferred to hang pump by the power that oil pumper exports by oil production by layer roofbolt, thus it is
Hang pump and driving force is provided.
Preferably, the lowering velocity of oil production by layer roofbolt is less than 30～35/h.
In the present embodiment, oil production by layer roofbolt may include that polished rod, the first sucker rod, the second sucker rod,
3rd sucker rod and hang pump plunger, polished rod, the first sucker rod, the second sucker rod, the 3rd sucker rod and outstanding
Hang pump plunger the most threaded, wherein, the polished rod selecting external diameter to be φ 28mm, select external diameter
For first sucker rod of φ 25mm, the second sucker rod selecting external diameter to be φ 22mm, selection external diameter is φ
The sucker rod of 19mm.
Step 132: be lifted up by oil production by layer roofbolt, thinks that oil production by layer roofbolt provides dead space, erosion control
Away from for 0.0008 times of oil production by layer roofbolt.
As such, it is possible to prevent oil production by layer roofbolt during work, produce with the standing valve hanging pump
Collide, thus improve the reliability of oil production by layer.
Step 141: carry out oil production by layer work by separate-layer production string and oil production by layer roofbolt.
When implementing, the well head at oil well installs wellhead assembly, and wellhead assembly can include casing head, oil
Tube head and production tree etc., wellhead assembly is mainly used in regulation and controls oil well production；Install at wellhead assembly
Cheng Hou, can be pumped operation normally by separate-layer production string and oil production by layer roofbolt, now with
The oil production by layer hanging pump has been constructed.
What deserves to be explained is, in the present embodiment, Y221-114 packer preferably employs CNPC's North China oil
The product that Tian company petroleum production engineering academy produces, those skilled in the art can also select commercially available has phase
Like product with performance.
In the present embodiment, divide and adopt valve to preferably employ North China Oilfield company of CNPC petroleum production engineering academy raw
The product produced, those skilled in the art can also select the commercially available like product with same performance.
In the present embodiment, hang pump and preferably employ the product that Shandong Weima Pumps Manufacturing Co., Ltd. produces,
Can to select model be φ 32, the suspension pump of φ 38, φ 44, φ 56, and those skilled in the art can also select
With the commercially available like product with same performance.
In the present embodiment, oil well pump anti-clip leak-proof automatic cleaning machine preferably employs double of Henan petroleum equipment system
Making the product that limited company provides, those skilled in the art can also select commercially available has same performance
Like product.
Commonly using it addition, other materials of the present invention or equipment are oil field, petroleum industry technical staff is ripe
Know, commercially available.
By use that the embodiment of the present invention provided with hanging the oil production by layer method of pump, first carry out point
Layer oil recovery preparation, oil production by layer preparation includes the cleaning oil well flow performed respectively, cleans production
Tubing string flow process and cannula cleaning flow process, then transfer separate-layer production string to oil well, separate-layer production string
Oil well is layered by interior packer, is transferred to oil well by oil production by layer roofbolt the most again so that layering
The pump plunger that hangs of rod string coordinates installation, finally by layering with the suspension pump pump barrel of separate-layer production string
Flow string and oil production by layer roofbolt carry out oil production by layer work.This oil production by layer method utilizes packer by oil
The oil reservoir that in well, interlayer pressure gap is big, interlayer interference is particularly thorny is separately, it is to avoid oil reservoir interlayer interference,
Suspension pump fall is utilized to resist the separate-layer production string wriggling in down-hole, on-the-spot more than 30 mouth oil wells, oil production by layer
One-time success rate 100%.Particularly after Shanxi XXX-15 well construction, the per day increase of oil well well yield 4.8
Ton, average daily precipitation 7.3m3Above.
Embodiment three
A kind of flow string with suspension pump that the embodiment of the present invention provides, this flow string is applicable to above-mentioned
Oil production by layer method in embodiment one and embodiment two, this flow string includes: separate-layer production string and setting
Oil production by layer roofbolt in separate-layer production string, separate-layer production string includes:
Boll-weevil hanger, hang pump pump barrel, plug, oil well pump anti-clip leak-proof automatic cleaning machine, point adopt pipeline section,
Multiple tubing nipples and multiple heavy wall tubing, described boll-weevil hanger is positioned at going up most of described separate-layer production string
Side, described boll-weevil hanger passes sequentially through tubing nipple and heavy wall tubing and is connected with described suspension pump pump barrel, institute
The oil well pump anti-clip leak-proof automatic cleaning machine stated is arranged on described with downhole modulator by heavy wall tubing
Point adopt the lower section of valve, adopt pipeline section to be arranged on described oil well pump anti-clip leak-proof by heavy wall tubing the most clear for described point
Wash the lower section of device, adopt at least two that pipeline section includes from top to bottom being sequentially arranged with downhole modulator for described point
Point adopt valve, two adjacent described is all had by heavy wall tubing connection between valve with point adopting of downhole modulator
Packer, be positioned at bottom described with downhole modulator point adopt valve connect have oil well pump anti-clip leak-proof from
Dynamic washer, oil well pump anti-clip leak-proof automatic cleaning machine are connected with described plug by heavy wall tubing；
Oil production by layer roofbolt includes polished rod, hangs pump plunger and multiple sucker rod, hangs pump plunger by multiple
Sucker rod is connected with polished rod.
In the present embodiment, boll-weevil hanger, to hang pump pump barrel, plug, oil well pump anti-clip leak-proof the most clear
Wash device, tubing nipple, heavy wall tubing, packer and the junction adopting valve of dividing with downhole modulator to be
Silk mouth, the external diameter of tubing nipple and heavy wall tubing isThe model of packer elects Y221-114 as.
The present embodiment utilizes packer by oil well, interlayer pressure gap is big, interlayer interference is particularly thorny oil reservoir
Separately, it is to avoid oil reservoir interlayer interference, utilize and hang pump and resisted the separate-layer production string wriggling in down-hole,
On-the-spot more than 30 mouth oil wells, oil production by layer one-time success rate 100%.Particularly after Shanxi XXX-15 well construction,
The per day increase of oil well well yield 4.8 tons, average daily precipitation 7.3m3。
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's
Within spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (10)
1. the oil production by layer method with suspension pump, it is characterised in that oil production by layer method includes:
Step one: preparation of construction
A, well-flushing: pumping into clear water from oil jacket annular space and make flushing fluid, flushing fluid returns out from oil pipe, the row of flushing fluid
Amount controls 25～30m3/ h, treats that returning out clear water from oil pipe stops well-flushing；Continue to see after well head pressure is zero
Examine 2 hours, treat that well head, without overflow, tears well head open, the SFZ18-21 preventer that pressure testing is qualified is installed；
B, trip out flow string: play producing well and normally recover the oil the flow string produced, flow string include oil pipe,
Oil well pump and sucker rod；
C, with boiler car by oil pipe, sucker rod thorn wash clean, right on ground φ 58mm × 0.5m oil pipe rule
Oil pipe is carried out by root latus rectum；
D, sand washing: under with the sand-flushing pipe column of nib, sand washing is to artificial bottom of a well；Sand-flushing pipe column with nib
Screwed connection is relied on to form by oil pipe and nib from top to bottom from well head；
E, drifting: under in oil well casing, enter the drifting tubing string with φ 118mm × 1.2m jack rabbit, drifting
Tubing string includes oil pipe, φ 118mm × 1.2m jack rabbit, and drifting tubing string is oil pipe thread from top to bottom from well head
Connect jack rabbit；Drifting, to artificial bottom of a well, leads to 3 times in the section of setting, it is ensured that unblocked continuously, speed control
System is 10～20m/min；
F, sleeve pipe scraping: enter under in down-hole casing with GX-140T casing scraper full well section sleeve pipe
Inwall carries out one time and bores scraping, removes the dirt of down-hole casing inwall, wax and other internal surface of sleeve pipe obturator；Set
Pipe scraping tubing string includes oil pipe, oil pipe variable buckle joint and GX-140T casing scraper, from well head from top to bottom
For oil pipe, oil pipe lower end connected pipes variable buckle joint, oil pipe variable buckle joint lower end connects casing scraper；Oil
Pipe, screwed connection between oil pipe variable buckle joint and casing scraper；
G, for the second time well-flushing: pumping into clear water from oil jacket annular space and make flushing fluid, flushing fluid returns out from oil pipe, well-flushing
The displacement control of liquid is 30～35m3/ h, treats that returning out clear water from oil pipe stops well-flushing；Trip out scraper column of casing；
Step 2, with hang pump separate-layer production string construction
A, with hang pump separate-layer production string；With hanging the separate-layer production string of pump by well head from upper
Under be followed successively by: boll-weevil hanger, φ 73mm tubing nipple, φ 73mm heavy wall tubing, hang pump pump barrel,
φ 73mm tubing nipple, φ 73mm heavy wall tubing, point adopt valve, oil well pump anti-sticking with downhole modulator
Leakproof automatic cleaning machine, φ 73mm heavy wall tubing, Y221-114 packer, φ 73mm heavy wall tubing, band
Have adopt valve, oil well pump anti-clip leak-proof automatic cleaning machine, φ 73mm heavy wall tubing, φ dividing of downhole modulator
73mm plug；
Boll-weevil hanger lower end connects φ 73mm tubing nipple, φ 73mm tubing nipple lower end connects φ
73mm heavy wall tubing, φ 73mm heavy wall tubing lower end connect suspension pump pump barrel, hang the connection of pump pump barrel lower end
φ 73mm tubing nipple, φ 73mm tubing nipple lower end connect oil well pump anti-clip leak-proof automatic cleaning machine, take out
Oil pump anti-clip leak-proof automatic cleaning machine lower end connects φ 73mm heavy wall tubing, φ 73mm heavy wall tubing lower end even
Tape splicing have downhole modulator point adopt valve, valve lower end of point adopting with downhole modulator connects φ 73mm and adds heat-bodied oil
Pipe, φ 73mm heavy wall tubing lower end connect Y221-114 packer, Y221-114 packer lower end connects φ
73mm heavy wall tubing, φ 73mm heavy wall tubing lower end connect with adopting valve, with well dividing of downhole modulator
To connect oil well pump anti-clip leak-proof automatic cleaning machine, oil well pump anti-clip leak-proof automatic in the valve lower end of point adopting of lower actuator
Washer lower end connects φ 73mm heavy wall tubing, φ 73mm heavy wall tubing lower end connects φ 73mm plug；
Boll-weevil hanger, φ 73mm tubing nipple, φ 73mm heavy wall tubing, suspension pump pump barrel, φ 73mm
Tubing nipple, φ 73mm heavy wall tubing, with downhole modulator point to adopt valve, oil well pump anti-clip leak-proof automatic
Washer, φ 73mm heavy wall tubing, Y221-114 packer, φ 73mm heavy wall tubing, with down-hole adjust
Valve, oil well pump anti-clip leak-proof automatic cleaning machine, φ 73mm heavy wall tubing, φ 73mm plug are adopted in dividing of joint device
Between rely on screwed connection；
Carry on B, packer and setting: at well mouth oil pipe hanger upper end screwed connection 1.0m tubing nipple, so
Carrying boll-weevil hanger 1.5～2.0m on Hou, reading on weight indicator in observation Operation Van, when reading is 70～80KN
Time, transfer boll-weevil hanger, lay down 1m tubing nipple, set；
Step 3, with hang pump oil production by layer roofbolt construction
A, under enter with hang pump oil production by layer roofbolt；With hanging the oil production by layer roofbolt of pump by well head certainly
Upper and under be followed successively by: φ 28mm polished rod, φ 25mm sucker rod, φ 22mm sucker rod, φ 19mm take out
Beam hanger, suspension pump plunger；Divide and adopt roofbolt running speed less than 30～35/h；
φ 28mm polished rod, φ 25mm sucker rod, φ 22mm sucker rod, φ 19mm sucker rod, suspension
Screwed connection is used between pump plunger；
B, adjustment dead space.Put in place under plunger after entrance pump barrel, carry dead space 0.8m by every 1000m roofbolt；
Step 4, completion
Installing well head, completion oil well normally rises and takes out；Construct with the oil production by layer hanging pump.
2. the oil production by layer method with suspension pump, it is characterised in that described oil production by layer method includes:
Carrying out oil production by layer preparation, described oil production by layer preparation includes cleaning oil well flow, cleaning
Flow string flow process and cannula cleaning flow process；
Thering is provided separate-layer production string, described separate-layer production string includes boll-weevil hanger, hangs pump pump barrel, silk
Stifled, oil well pump anti-clip leak-proof automatic cleaning machine, point adopt pipeline section, multiple tubing nipple and multiple heavy wall tubing,
Described boll-weevil hanger is positioned at the top of described separate-layer production string, and described boll-weevil hanger passes sequentially through oil
Pipe pipe nipple and heavy wall tubing are connected with described suspension pump pump barrel,
Described oil well pump anti-clip leak-proof automatic cleaning machine is arranged on described point adopts valve with downhole modulator
Lower section, adopt pipeline section for described point and be arranged on described oil well pump anti-clip leak-proof automatic cleaning machine by heavy wall tubing
Top, adopts at least two that pipeline section includes from top to bottom being sequentially arranged point adopting with downhole modulator for described point
Valve, two adjacent described all has packer by heavy wall tubing connection with point adopting of downhole modulator between valve,
The described valve of point adopting with downhole modulator being positioned at bottom connects and has oil well pump anti-clip leak-proof automatically to clean
Device, oil well pump anti-clip leak-proof automatic cleaning machine are connected with described plug by heavy wall tubing, described layering are adopted
Tubing string is transferred to oil well；
Thering is provided oil production by layer roofbolt, described oil production by layer roofbolt includes polished rod, hangs pump plunger and multiple oil pumping
Bar, described suspension pump plunger is connected with described polished rod, by under oil production by layer roofbolt by the plurality of sucker rod
Put to oil well so that the suspension hanging pump plunger and described separate-layer production string of described oil production by layer roofbolt
Pump pump barrel coordinates to be installed；
Oil production by layer work is carried out by described separate-layer production string and described oil production by layer roofbolt.
Oil production by layer method the most according to claim 2, it is characterised in that described cleaning oil well flow
Including:
Carrying out well-flushing operation for the first time, the operation of described first time well-flushing includes: by flushing fluid from being positioned at well head
Pump at oil jacket annular space between oil pipe and sleeve pipe, the flushing fluid being pumped to the impurity in oil jacket annular space from
Described oil pipe returns out, until after the limpid free from admixture of the flushing fluid returned out in described oil pipe, stops well-flushing for the first time
Operation.
Oil production by layer method the most according to claim 2, it is characterised in that described cleaning flow string
Flow process includes:
In well, trip out described flow string, use boiler car thorn to wash described oil pipe and described sucker rod；
Use oil pipe rule that described oil pipe carries out oil pipe latus rectum operation.
Oil production by layer method the most according to claim 2, it is characterised in that described cannula cleaning flow process
Including:
Drifting tubing string is transferred to described sleeve pipe, utilizes the jack rabbit in described latus rectum tubing string to described sleeve pipe
Carry out run through casing size operation.
Oil production by layer method the most according to claim 5, it is characterised in that described cannula cleaning flow process
Also include:
After described run through casing size operates, scraper column of casing is transferred to described sleeve pipe, utilize described
Casing scraper in scraper column of casing carries out internal surface of sleeve pipe scraping operations to described sleeve pipe.
Oil production by layer method the most according to claim 6, it is characterised in that described cleaning oil well flow
Also include:
After described internal surface of sleeve pipe scraping operations, carrying out second time well-flushing operation, described second time well-flushing is grasped
Work includes: by flushing fluid at the oil jacket annular space between the oil pipe in described sleeve pipe and described scraper column of casing
Pumping into, the flushing fluid being pumped to returns with the oil pipe in described scraper column of casing of the impurity in oil jacket annular space
Go out, after the limpid free from admixture of the flushing fluid returned out, stop second time well-flushing operation, by described sleeve pipe scraping pipe
Post trips out in well.
Oil production by layer method the most according to claim 2, it is characterised in that described oil production by layer method
Also include:
After described separate-layer production string is transferred to oil well, by carry described separate-layer production string and make
Described packer moves upward, and observes the reading of weight indicator in Operation Van, when described reading be 70kN extremely
During 80kN, again transfer described separate-layer production string, thus complete described packer set operation.
Oil production by layer method the most according to claim 2, it is characterised in that described oil production by layer method
Also include:
After described oil production by layer roofbolt is transferred to oil well, described oil production by layer roofbolt is lifted up,
Thinking that described oil production by layer roofbolt provides dead space, described dead space is the 0.0008 of described oil production by layer roofbolt
Times.
10. the flow string with suspension pump, it is characterised in that described flow string includes that layering is adopted
Tubing string and the oil production by layer roofbolt being located in described separate-layer production string, described separate-layer production string includes:
Boll-weevil hanger, hang pump pump barrel, plug, oil well pump anti-clip leak-proof automatic cleaning machine, point adopt pipeline section, many
Individual tubing nipple and multiple heavy wall tubing, described boll-weevil hanger is positioned at the top of described separate-layer production string,
Described boll-weevil hanger passes sequentially through tubing nipple and heavy wall tubing and is connected with described suspension pump pump barrel, described
Oil well pump anti-clip leak-proof automatic cleaning machine is arranged on described point adopting with downhole modulator by heavy wall tubing
The lower section of valve, adopts pipeline section for described point and is arranged on described oil well pump anti-clip leak-proof automatic cleaning machine by heavy wall tubing
Lower section, described point adopt at least two that pipeline section includes from top to bottom being sequentially arranged with downhole modulator point
Adopting valve, two adjacent described all has packing by heavy wall tubing connection with point adopting of downhole modulator between valve
Device, the described valve of point adopting with downhole modulator being positioned at bottom connects and has oil well pump anti-clip leak-proof the most clear
Wash device, oil well pump anti-clip leak-proof automatic cleaning machine is connected with described plug by heavy wall tubing；
Described oil production by layer roofbolt includes polished rod, hangs pump plunger and multiple sucker rod, described suspension pump plunger
It is connected with described polished rod by the plurality of sucker rod.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725013A (en) * | 2017-09-19 | 2018-02-23 | 中国石油天然气股份有限公司 | Layered test and layered oil production combined operation method |
| CN109025872A (en) * | 2018-09-20 | 2018-12-18 | 明士皓 | A kind of safe tripping in of oil production by layer packer and anti-pollution Refloatation method |
| CN109267954A (en) * | 2018-09-20 | 2019-01-25 | 明士皓 | The safe tripping in of oil production by layer packer and anti-pollution salvaging dual-purpose apparatus |
| CN109469450A (en) * | 2017-09-07 | 2019-03-15 | 中国石油化工股份有限公司 | Sucker rod control selective oil extraction device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110048122A1 (en) * | 2007-11-30 | 2011-03-03 | Pierre Le Foll | Downhole, single trip, multi-zone testing system and downhole testing method using such |
| CN102953715A (en) * | 2012-12-12 | 2013-03-06 | 陕西中明能源投资有限公司 | Layered oil production device |
| CN104533356A (en) * | 2014-12-31 | 2015-04-22 | 中国石油天然气股份有限公司 | Two-layer self-control layered oil production method and layered oil production method |
| CN105089583A (en) * | 2015-07-30 | 2015-11-25 | 中国石油天然气股份有限公司 | Layered controllable oil production pipe column |
| CN105257263A (en) * | 2015-10-28 | 2016-01-20 | 中国石油天然气股份有限公司 | Method for combining layered oil production and sand prevention |
| CN105484712A (en) * | 2014-09-18 | 2016-04-13 | 中国石油天然气股份有限公司 | Toothbrush-shaped oil reservoir layered mining method |
-
2016
- 2016-05-31 CN CN201610373367.7A patent/CN105952423A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110048122A1 (en) * | 2007-11-30 | 2011-03-03 | Pierre Le Foll | Downhole, single trip, multi-zone testing system and downhole testing method using such |
| CN102953715A (en) * | 2012-12-12 | 2013-03-06 | 陕西中明能源投资有限公司 | Layered oil production device |
| CN105484712A (en) * | 2014-09-18 | 2016-04-13 | 中国石油天然气股份有限公司 | Toothbrush-shaped oil reservoir layered mining method |
| CN104533356A (en) * | 2014-12-31 | 2015-04-22 | 中国石油天然气股份有限公司 | Two-layer self-control layered oil production method and layered oil production method |
| CN105089583A (en) * | 2015-07-30 | 2015-11-25 | 中国石油天然气股份有限公司 | Layered controllable oil production pipe column |
| CN105257263A (en) * | 2015-10-28 | 2016-01-20 | 中国石油天然气股份有限公司 | Method for combining layered oil production and sand prevention |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469450A (en) * | 2017-09-07 | 2019-03-15 | 中国石油化工股份有限公司 | Sucker rod control selective oil extraction device and method |
| CN109469450B (en) * | 2017-09-07 | 2022-05-13 | 中国石油化工股份有限公司 | Sucker rod control selective oil extraction device and method |
| CN107725013A (en) * | 2017-09-19 | 2018-02-23 | 中国石油天然气股份有限公司 | Layered test and layered oil production combined operation method |
| CN107725013B (en) * | 2017-09-19 | 2020-05-08 | 中国石油天然气股份有限公司 | Layered test and layered oil production combined operation method |
| CN109025872A (en) * | 2018-09-20 | 2018-12-18 | 明士皓 | A kind of safe tripping in of oil production by layer packer and anti-pollution Refloatation method |
| CN109267954A (en) * | 2018-09-20 | 2019-01-25 | 明士皓 | The safe tripping in of oil production by layer packer and anti-pollution salvaging dual-purpose apparatus |
| CN109025872B (en) * | 2018-09-20 | 2020-11-03 | 徐州天骋智能科技有限公司 | Packer safe running and anti-pollution salvaging method for layered oil extraction |
| CN109267954B (en) * | 2018-09-20 | 2020-11-06 | 徐州企润食品有限公司 | Packer safety running and anti-pollution salvaging dual-purpose device for layered oil extraction |
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Application publication date: 20160921 |