CN103244082A - Flexible first-time sand control sandblasting technique pipe - Google Patents
Flexible first-time sand control sandblasting technique pipe Download PDFInfo
- Publication number
- CN103244082A CN103244082A CN2013101234308A CN201310123430A CN103244082A CN 103244082 A CN103244082 A CN 103244082A CN 2013101234308 A CN2013101234308 A CN 2013101234308A CN 201310123430 A CN201310123430 A CN 201310123430A CN 103244082 A CN103244082 A CN 103244082A
- Authority
- CN
- China
- Prior art keywords
- flexible connector
- sand control
- flexible
- hanger
- string
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004576 sand Substances 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005488 sandblasting Methods 0.000 title abstract 2
- 230000006835 compression Effects 0.000 claims abstract description 20
- 238000007906 compression Methods 0.000 claims abstract description 20
- 238000005406 washing Methods 0.000 claims description 18
- 238000012856 packing Methods 0.000 claims description 15
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of oilfield workover sand control operation, in particular to a flexible first-time sand control sandblasting technique pipe. Multiple slotted screens of the pipe are mutually connected through flexible connectors to form a slotted screen string, each flexible connector comprises a flexible connector lower adaptor and a flexible connector upper adaptor which are connected and are locked through a flexible connector locking screw, the lower end of the slotted screen string is connected with a ball seat with the lower end connected with a guiding shoe nib, the upper end of the slotted screen string is connected with a hanger body through the flexible connectors, a hanger sealing rubber sleeve and a rubber sleeve distance ring are sleeved on the hanger body, a compression rubber sleeve adaptor is disposed at the upper end of the rubber sleeve distance ring and is in screwed connection with the hanger body, and the upper end of the compression rubber sleeve adaptor is in screwed connection with a hanger spindle and fixed through a shear pin. By the technique pipe, first-time success rate of sand control of large-curvature wells is improved, sand control cost is lowered, sand control time effectiveness is improved, and production of sand control wells is resumed timely.
Description
Technical field:
The present invention relates to a kind of oil field well workover sand control treatment technical field, particularly a kind of flexible sand control sand washing one-time process tubing string.
Background technology:
At present, in oilfield development process, directional well, sidetracked hole, horizontal well and deep camber sand production well are on the increase, in the mechanical sand control process, major diameter rigidity sand control pipe appears often by the problem of sidetracked hole section, angle buildup interval or deep camber well section difficulty, sometimes after also can sand-flushing occurring, the sand washing tubing string is proposed, be lowered to sand control pipe and run into sand setting jam problem, though only poor several meters or 8-10m cause under the sand control pipe not in place, but can not completion, have a strong impact on sand control one-time success rate, operation timeliness and reproduce delay.Also need to be lowered to again the sand washing tubing string, again flush out a spot of silt particle, be lowered to sand control pipe again, because the bottom leakage is more serious, in silt particle bled oil reservoir during flushing, termination of pumping proposed in the sand washing tubing string process, liquid level descends in the pit shaft, the silt particle that bleeds in the oil reservoir spues again to be deposited in the pit shaft, therefore causes repeatedly sand washing often and removes sand control pipe, has a strong impact on the sand control construction speed.
Summary of the invention:
The technical problem to be solved in the present invention provides a kind of flexible sand control sand washing one-time process tubing string, and this tubing string has been realized raising deep camber well sand control one-time success rate, reduces the sand control cost, improves the sand control timeliness, in time recovers sand proof well production.Overcome existing rigidity sand control pipe easy blocked portion and need repeatedly sand washing and remove the deficiency of sand control pipe in the deep camber well.
The technical solution used in the present invention is: a kind of flexible sand control sand washing one-time process tubing string comprises a plurality of cutting seam sieve tubes; Be connected by flexible connector between a plurality of cutting seam sieve tubes and form the cutting seam sieve tube string, flexible connector comprises flexible connector lower contact and flexible connector top connection, top connection is connected and locks by the flexible connector lock-screw with flexible connector in the flexible connector lower contact, cutting seam sieve tube string lower end connects ball seat, the ball seat lower end connects the guide shoe nib, cutting seam sieve tube string upper end connects hanger body by flexible connector, suit hanger cartridge and packing element spacer ring on the hanger body, compression packing element joint place packing element spacer ring upper end and with the hanger body screwed connection, compression packing element upper end of joint and the screwed connection of hanger mandrel also fixed by shear pin, the more piece oil pipe formation oil pipe string that is connected, the oil pipe string upper end connects the hanger mandrel, the lower end connects sand clean out pipe, the sand clean out pipe lower end withstands on the ramp of ball seat, the compression spring is installed in the guide shoe nib, and steel ball is arranged on the compression spring and passes through the spring sealed ball seat of compression.
The invention has the beneficial effects as follows: the present invention is owing to adopted the mode that flexible sand control pipe and inner sand washing tubing string are combined, thereby has an effect that improves deep camber well sand control one-time success rate, reduce the sand control cost, improve the sand control timeliness, in time recover sand proof well production.
Description of drawings:
The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is structural representation of the present invention.
The specific embodiment:
As shown in Figure 1, a kind of flexible sand control sand washing one-time process tubing string comprises a plurality of cutting seam sieve tubes; Be connected by flexible connector between a plurality of cutting seam sieve tubes and form cutting seam sieve tube string 5, flexible connector comprises flexible connector lower contact 7 and flexible connector top connection 9, flexible connector lower contact 7 is connected with flexible connector top connection 9 and locks by flexible connector lock-screw 8, cutting seam sieve tube string 5 lower ends connect ball seat 4, ball seat 4 lower ends connect guide shoe nib 1, cutting seam sieve tube string 5 upper ends connect hanger body 11 by flexible connector, suit hanger cartridge 12 and packing element spacer ring 13 on the hanger body 11, compression packing element joint 14 place packing element spacer ring 13 upper ends and with hanger body 11 screwed connections, compression packing element joint 14 upper ends and 15 screwed connections of hanger mandrel are also fixing by shear pin 16, the more piece oil pipe is connected and forms oil pipe string 10, oil pipe string 10 upper ends connect hanger mandrel 15, the lower end connects sand clean out pipe 6, sand clean out pipe 6 lower ends withstand on the ramp of ball seat 4, compression spring 2 is installed in the guide shoe nib 1, and steel ball 3 is arranged on the compression spring 2 and passes through compression spring 2 sealed ball seats 4.
Use when of the present invention, hanger mandrel 15 upper ends connect the sand washing working string and are admitted in the well, by sidetracked hole section, angle buildup interval and deep camber well section the time, the flexible connector on the cutting seam sieve tube string 5 bends, and the present invention can change by blocked portion well section along with hole angle; After generation sand control pipe sand setting is hampered, connect ground sand washing process pipeline and equipment, by positive sand-flushing technology, flush out the silt particle of guide shoe nib 1 front end, while washing movable tubing string, simultaneously slowly transfer sand control pipe, after cutting seam sieve tube string 5 arrives projected depth, just changeing the sand washing working string, upper tube cornice dynamic pressure contracting this moment packing element joint 14 rotation compression hanger cartridge 12 under the effect of moment of torsion, are cut off shear pin 16 after hanger cartridge 12 sets, compression packing element joint 14 is that left-hand thread is connected with hanger mandrel 15, continue the rotation tubing string, compression packing element joint 14 is thrown off with the back-off of hanger mandrel 15, pours out hanger mandrel 15, sand washing ball valve in bottom is closed under the spring force effect, prevents that the outer silt particle of sandpipe from entering from the bottom.Propose the sand washing working string, finish flexible sand control treatment.
Be understandable that, more than about specific descriptions of the present invention, only for the present invention being described and being not to be subject to the described technical scheme of the embodiment of the invention, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the present invention, to reach identical technique effect; Use needs as long as satisfy, all within protection scope of the present invention.
Claims (1)
1. a flexible sand control sand washing one-time process tubing string comprises a plurality of cutting seam sieve tubes; It is characterized in that: being connected by flexible connector between a plurality of cutting seam sieve tubes forms cutting seam sieve tube string (5), flexible connector comprises flexible connector lower contact (7) and flexible connector top connection (9), flexible connector lower contact (7) is connected with flexible connector top connection (9) and locks by flexible connector lock-screw (8), cutting seam sieve tube string (5) lower end connects ball seat (4), ball seat (4) lower end connects guide shoe nib (1), cutting seam sieve tube string (5) upper end connects hanger body (11) by flexible connector, hanger body (11) is gone up suit hanger cartridge (12) and packing element spacer ring (13), compression packing element joint (14) place packing element spacer ring (13) upper end and with hanger body (11) screwed connection, compression packing element joint (14) upper end and hanger mandrel (15) screwed connection and fixing by shear pin (16), the more piece oil pipe is connected and forms oil pipe string (10), oil pipe string (10) upper end connects hanger mandrel (15), the lower end connects sand clean out pipe (6), sand clean out pipe (6) lower end withstands on the ramp of ball seat (4), compression spring (2) is installed in the guide shoe nib (1), and steel ball (3) is arranged on compression spring (2) upward and passes through compression spring (2) sealed ball seat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101234308A CN103244082A (en) | 2013-04-10 | 2013-04-10 | Flexible first-time sand control sandblasting technique pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101234308A CN103244082A (en) | 2013-04-10 | 2013-04-10 | Flexible first-time sand control sandblasting technique pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103244082A true CN103244082A (en) | 2013-08-14 |
Family
ID=48923923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101234308A Pending CN103244082A (en) | 2013-04-10 | 2013-04-10 | Flexible first-time sand control sandblasting technique pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103244082A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888621A (en) * | 2016-04-19 | 2016-08-24 | 中国石油天然气集团公司 | Swabbing and sand washing integrated sand control pipe |
| CN109779575A (en) * | 2019-03-14 | 2019-05-21 | 中国石油化工股份有限公司 | A kind of deep camber wellbore sand control completion tubing string and completion method |
| CN109989732A (en) * | 2019-03-25 | 2019-07-09 | 中国石油化工股份有限公司 | A kind of flexibility screen casing and sand control completion tubing string and its application method |
| CN114876419A (en) * | 2022-05-17 | 2022-08-09 | 四川轻化工大学 | Flexible sieve tube with automatic re-setting function |
| CN116006135A (en) * | 2021-10-22 | 2023-04-25 | 中国石油化工股份有限公司 | A Clean and Sand Control Well Completion Method for Natural Gas Hydrate Reservoirs |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2150450A (en) * | 1936-06-27 | 1939-03-14 | Joe F Maloney | Screen pipe |
| CN2503206Y (en) * | 2001-09-07 | 2002-07-31 | 中国石化胜利油田有限公司采油工艺研究院 | Integral tubular column for water flooding and anti-sand |
| CN2616658Y (en) * | 2003-05-10 | 2004-05-19 | 尹婷 | Novel dropper |
| CN201433735Y (en) * | 2009-04-10 | 2010-03-31 | 崔朝轩 | Packer special for plugging water |
| CN202064920U (en) * | 2011-06-01 | 2011-12-07 | 中国石油天然气股份有限公司 | Segmented Completion Technology String for Heavy Oil Horizontal Wells |
| CN202170783U (en) * | 2011-05-30 | 2012-03-21 | 王依明 | Self-cleaning type double-layer filtering screen pipe |
| CN102434132A (en) * | 2011-12-23 | 2012-05-02 | 甘肃省化工研究院 | Elastic alignment pipe component for perforation of oil and gas wells |
-
2013
- 2013-04-10 CN CN2013101234308A patent/CN103244082A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2150450A (en) * | 1936-06-27 | 1939-03-14 | Joe F Maloney | Screen pipe |
| CN2503206Y (en) * | 2001-09-07 | 2002-07-31 | 中国石化胜利油田有限公司采油工艺研究院 | Integral tubular column for water flooding and anti-sand |
| CN2616658Y (en) * | 2003-05-10 | 2004-05-19 | 尹婷 | Novel dropper |
| CN201433735Y (en) * | 2009-04-10 | 2010-03-31 | 崔朝轩 | Packer special for plugging water |
| CN202170783U (en) * | 2011-05-30 | 2012-03-21 | 王依明 | Self-cleaning type double-layer filtering screen pipe |
| CN202064920U (en) * | 2011-06-01 | 2011-12-07 | 中国石油天然气股份有限公司 | Segmented Completion Technology String for Heavy Oil Horizontal Wells |
| CN102434132A (en) * | 2011-12-23 | 2012-05-02 | 甘肃省化工研究院 | Elastic alignment pipe component for perforation of oil and gas wells |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888621A (en) * | 2016-04-19 | 2016-08-24 | 中国石油天然气集团公司 | Swabbing and sand washing integrated sand control pipe |
| CN109779575A (en) * | 2019-03-14 | 2019-05-21 | 中国石油化工股份有限公司 | A kind of deep camber wellbore sand control completion tubing string and completion method |
| CN109989732A (en) * | 2019-03-25 | 2019-07-09 | 中国石油化工股份有限公司 | A kind of flexibility screen casing and sand control completion tubing string and its application method |
| CN116006135A (en) * | 2021-10-22 | 2023-04-25 | 中国石油化工股份有限公司 | A Clean and Sand Control Well Completion Method for Natural Gas Hydrate Reservoirs |
| CN114876419A (en) * | 2022-05-17 | 2022-08-09 | 四川轻化工大学 | Flexible sieve tube with automatic re-setting function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102562018B (en) | Underground hydraulic slotting tool | |
| CN103244082A (en) | Flexible first-time sand control sandblasting technique pipe | |
| CN101392633B (en) | Mechanical and hydraulic double-acting expansion sieve tube hanger | |
| CN104141477A (en) | Concentric three-tube separated layer water injection device and using method thereof | |
| CN206830131U (en) | Sand setting constant pressure check valve for water injection well | |
| CN101294485A (en) | Oil production method and apparatus for horizontal oil well | |
| CN201037385Y (en) | Bridge type leak-stopping pipe column | |
| CN104074487B (en) | Drawing type packer | |
| CN203808923U (en) | Suspension releasing packer for oil-gas water well | |
| CN204532299U (en) | Underground layered ball throwing and collecting tool | |
| CN100572742C (en) | Hydraulic Expandable Screen Hanger | |
| CN201460799U (en) | Concentric integrated water-plugging finding pipe column | |
| CN2871805Y (en) | Positive-punch and reverse-circulation sand-washing tool | |
| CN203161141U (en) | Non-well-cementing expansion drilling liner hanger | |
| CN205577845U (en) | Float pipe tool that traps from crushing -type | |
| CN104929576A (en) | Hydraulic-control dual-clack valve | |
| CN104314510A (en) | Self-expansion packer with compression protection mechanism | |
| CN204140015U (en) | Well mouth pressure testing packer | |
| CN208280910U (en) | Naked eye sieve tube completion horizontal well is for the outer mud of pipe and acidification integral process tubing string | |
| CN104695914A (en) | Sand control string for sectional high-pressure packing in pipe of horizontal well | |
| CN203925403U (en) | Downhole drill expandable sleeve is swollen seal apparatus | |
| CN106121590A (en) | Radial level boring is windowed filter back flush apparatus | |
| CN216866657U (en) | An integrated pipe string for flushing and sand control | |
| CN204200106U (en) | A kind of hydraulic casing centralizer | |
| CN203114240U (en) | Large-drift-diameter intubation tube oil production bridge plug |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130814 |