CN106121579A - Bi-directional compression hydraulic setting is without anchoring packer and using method thereof - Google Patents
Bi-directional compression hydraulic setting is without anchoring packer and using method thereof Download PDFInfo
- Publication number
- CN106121579A CN106121579A CN201610803778.5A CN201610803778A CN106121579A CN 106121579 A CN106121579 A CN 106121579A CN 201610803778 A CN201610803778 A CN 201610803778A CN 106121579 A CN106121579 A CN 106121579A
- Authority
- CN
- China
- Prior art keywords
- central tube
- fluid cylinder
- packer
- balance
- packing element
- 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.)
- Granted
Links
- 230000006835 compression Effects 0.000 title claims abstract description 25
- 238000007906 compression Methods 0.000 title claims abstract description 25
- 238000004873 anchoring Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000012530 fluid Substances 0.000 claims abstract description 79
- 238000012856 packing Methods 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 31
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 description 6
- 238000010008 shearing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/126—Packers; Plugs with fluid-pressure-operated elastic cup or skirt
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/128—Packers; Plugs with a member expanded radially by axial pressure
- E21B33/1285—Packers; Plugs with a member expanded radially by axial pressure by fluid pressure
Landscapes
- 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)
- Closures For Containers (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of bi-directional compression hydraulic setting without anchoring packer and using method thereof, belong to the downhole packer technical field used in oil exploitation.Its exterior central tube is enclosed within outside inner central tube, and packing element is enclosed within exterior central tube, is externally provided with lower setting mechanism in exterior central tube, solves sealing mechanism and lower retaining mechanism below packing element, and in exterior central tube, step hangs in inner central tube outer step；More than packing element being externally provided with upper retaining mechanism in exterior central tube, more than exterior central tube be sequentially provided with balance fluid cylinder and upper setting mechanism outside inner central tube, below packing element, position sets balance inlet opening on lower loop and exterior central tube.Owing to being provided with setting mechanism and retaining mechanism up and down at packing element, the sealability of packing element is greatly improved；Owing to being provided with multistage balance fluid cylinder, the packer of the present invention is not provided with unsealing shear pin, and deblocking power is the least.
Description
Technical field
The present invention relates to the downhole packer technical field used in oil exploitation, particularly relate to a kind of bi-directional compression liquid
Pressure sets without anchoring packer and using method thereof.
Background technology
In field of petroleum exploitation, downhole packer is the key tool of oil production by layer, according to the sorting technique of packer, tool
Have " compression packing element, without grappling, hydraulic setting, on propose deblocking " packer of these four features is referred to as Y341 type packer.This kind of
The deblocking of packer, the deblocking shear pin breaking packer generally by upper lifting pipe post realizes.This brings a problem, when
When packing element bears top pressure reduction, top pressure reduction has the pulling force pair of a downward thrust, this thrust and upper lifting pipe post to packing element
It is a direction for shear pin, when top pressure reduction to the thrust of packing element more than the shear strength of deblocking shear pin and packing element and the borehole wall
During friction sum, packer will unseal.Therefore, to bear the ability of upward pressure the most little for Y341 type packer.For a long time with
Coming, petroleum science and technology worker has done a lot of research, Chinese patent: the patent No. for the sealability improving this kind of packer
01268288.8, patent name " side-drilling small-diameter packet " discloses a kind of Y341 type packer, and this packer uses two
Level sets fluid cylinder, pushes away packing element when setting from bottom, this set the mode of packing element from the reinforcing of packing element one end and can not make packing element
Fully setting, therefore, the sealability of packing element is not the highest.It addition, this packer is provided with pressure balance mechanism, improve envelope
Bear the ability of pressure differential every device, but when packer bears upward pressure when, it unseals shear pin shearing force to be born, when
When upward pressure is higher, packer can unseal, and therefore its ability holding pressure is not enough.In order to prevent packer because bearing high pressure
Differing from and unseal, this packer is accomplished by increasing total anti-shearing force of deblocking shear pin, but so brings again another one problem, packing
The frictional force of device packing element and sleeve pipe is limited, such as, from the point of view of Y341-115 packer, typically its frictional force be about 30～
40kN, when the total anti-shearing force unsealing shear pin is more than this value, packer cannot unseal.
Summary of the invention
For solving above-mentioned technical problem, invent bi-directional compression hydraulic setting and carried further without anchoring packer, the present invention
The high sealability of packer, solves packer and holds the hypodynamic problem of pressure energy.
Present invention employs following technical scheme:
Bi-directional compression hydraulic setting is without anchoring packer, and exterior central tube is enclosed within outside inner central tube, and packing element is enclosed within exterior central tube,
Being externally provided with lower setting mechanism in exterior central tube, solve sealing mechanism and lower retaining mechanism below packing element, inner central tube is provided with inner central tube
Outer step, correspondingly, exterior central tube is provided with step in exterior central tube, and in exterior central tube, step hangs in inner central tube outer step；
More than packing element be externally provided with upper retaining mechanism in exterior central tube, more than exterior central tube outside inner central tube sequentially be provided with balance fluid cylinder and
Upper setting mechanism, below packing element, position sets balance inlet opening on lower loop and exterior central tube.
Preferred embodiment one, described balance fluid cylinder is two-stage.
Preferred embodiment two, described balance fluid cylinder is three grades.
Bi-directional compression hydraulic setting, without the using method of anchoring packer, the steps include:
A, installation set packer: bi-directional compression hydraulic setting is connected on tubing string without anchoring packer and sends into down-hole,
Then hydraulic coupling set packer in oil pipe is improved；
B, deblocking packer: first transfer tubing string, then on carry tubing string.
Compared with prior art, the invention has the beneficial effects as follows: first, due to packing element be provided with up and down set machine
Structure and retaining mechanism, packing element sets the rear contact stress with sleeve pipe and is significantly increased, thus improves the sealability of packing element；The
Two, inner central tube is provided with outer step, and the interior step of exterior central tube relative set also hangs in the outer step of inner central tube, works as glue
When cylinder bears upward pressure, the upward pressure that packing element is subject to has passed in the outer step of inner central tube by exterior central tube, by interior center
Managing drop-down top connection, therefore its ability holding pressure is no longer affected by deblocking shear pin, and only with the sealability of packing element itself
Relevant；3rd, owing to being provided with balance fluid cylinder, when packing element bears lower pressure reduction, the pressure of packing element bottom is by balance inlet opening
Annular space between inner central tube and exterior central tube passes to more than packing element balance fluid cylinder, balances fluid cylinder topping up, on its dummy piston
Pushing to joint, push away packing element under balance liquid cylinder sleeve, the downforce that packing element bears has been delivered to top connection by balance fluid cylinder mechanism.Also
That is, no matter the packer of the present invention bears upward pressure or downforce, it is all that power has been delivered to top connection, it unseals machine
Structure is no longer affected by packer sealing pressure, thus improves the sealability of packer.4th, multistage flat owing to being provided with
Weighing apparatus fluid cylinder, the packer of the present invention is not provided with unsealing shear pin, and deblocking power is the least.
Accompanying drawing explanation
Above simply describing the present invention, the drawing with reference next to the specific examples below describing the present invention enters one
Walk, describe the present invention in detail.These drawings only describe some typical embodiments of this invention, are therefore not construed as limit
The scope of the present invention processed.In these drawings:
Fig. 1 is the bi-directional compression hydraulic setting structural representation without anchoring packer, and the packer in this figure has two-stage balanced liquid
Cylinder.
Fig. 2 is the bi-directional compression hydraulic setting structural representation without anchoring packer, and the packer in this figure has three grades to put down
Weighing apparatus fluid cylinder.
Fig. 3 is the enlarged drawing in A portion in Fig. 2.
Fig. 4 is the bi-directional compression hydraulic setting structural representation without anchoring packer, and the packer in this figure has one-level to put down
Weighing apparatus fluid cylinder.
Detailed description of the invention
In the present invention, except deblocking lock dog 19, on set shear pin 2 and under set shear pin 16 in addition to, other part is cylindrical shape
Structure.
As shown in Figure 1, bi-directional compression hydraulic setting has screw thread to be connected without anchoring packer, top connection 1 with inner central tube 8
Connecing, exterior central tube 11 is enclosed within outside inner central tube 8, and inner central tube 8 is provided with inner central tube outer step 23, correspondingly, exterior central tube
11 are provided with step 22 in exterior central tube, and in exterior central tube, step 22 hangs in inner central tube outer step 23.
Top ring 10, packing element 12 and lower loop 14 are sequentially enclosed within outside exterior central tube 11, between lower loop 14 and outer center 11
Set shear pin 16 under by fix.
Exterior central tube 11 upper periphery is provided with locking screw 91, upper lock ring 9 be enclosed within exterior central tube 11 and with upper locking
Screw thread 91 is meshed.Upper locking screw 91 and upper lock ring 9 collectively form retaining mechanism 300.Lock ring and the structure of locking screw
It is known technology at packer design field.
Outer between top connection 1 and exterior central tube 11 at inner central tube 8, the most sequentially it is cased with balance liquid cylinder sleeve 7, puts down
Weighing apparatus piston 6, upper fluid cylinder set 5, upper piston 4.Top ring 10 has screw thread to be connected with balance fluid cylinder set 7, balance liquid cylinder sleeve 7 and upper liquid
Cylinder sleeve 5 has screw thread to be connected, upper fluid cylinder overlap 5 upper ends be enclosed within top connection 1 outer and with top connection 1 by set shear pin 2 and fix.
Forming an inner groove between top ring 10 and balance fluid cylinder set 7, upper lock ring 9 is positioned in described inner groove；?
The above position of described inner groove, balance liquid cylinder sleeve 7 has step in annular, and its section is L-shaped；In upper fluid cylinder set 5 also has annular
Step, its section is the most L-shaped；Dummy piston 6 has annular outer step, and its section is in anti-" L " shape；Dummy piston 6 be enclosed within interior in
It is placed in outside heart pipe 8 in balance liquid cylinder sleeve 7 and upper fluid cylinder set 5, anti-" L " periphery, shape base of dummy piston 6 and balance liquid cylinder sleeve 7
In " L " shape, the vertical edge inner surface of step forms sealing surface；5 " L " shape is overlapped with upper fluid cylinder in anti-" L " shape vertical edge periphery of dummy piston 6
The base inner surface of interior step forms sealing surface；Upper piston 4 is enclosed within inner central tube 8 and overlaps in 5 annular spaces formed with upper fluid cylinder, and
Sealing surface is formed respectively with the vertical edge inner surface of step in the outer surface of inner central tube 8 and upper fluid cylinder set 5 " L " shape；At upper piston 4
Above position sets upper fluid cylinder inlet opening 3 on inner central tube 8；The vertical edge length of anti-" L " the shape outer step of dummy piston 6 should ensure that
When dummy piston 6, upper piston 4 and top connection 1 compress in succession, anti-" L " shape base upper surface of dummy piston 6 outer step is with upper
Fluid cylinder set 5 does not contacts.
Top connection 1, on set shear pin 2, upper fluid cylinder inlet opening 3, upper piston 4, upper fluid cylinder set 5 and the common structure of inner central tube 8
Setting mechanism 100 on one-tenth.Need exist for explanation: owing to inner central tube 8 is shared in multiple mechanisms of the present invention, and at figure
In 1 the label of inner central tube 8 from upper setting mechanism 100 label farther out, upper setting mechanism 100 is in FIG with regard to Wei Banei center
Pipe 8 is included, it is not intended that upper setting mechanism 100 does not include inner central tube 8.The composition of mechanism with explanatory note is
Standard, other mechanism is constituted also based on same reason, represents that scope is different from explanatory note scope, with explanatory note in figure
Be as the criterion, after explanation is not repeated.
Upper piston 4, upper fluid cylinder set 5, dummy piston 6, balance liquid cylinder sleeve 7 and inner central tube 8 collectively form balance fluid cylinder
200.Balance fluid cylinder 200 is made up of two-stage balanced fluid cylinder, and wherein upper piston 4, upper fluid cylinder set 5 and inner central tube 8 collectively form one
Level balance fluid cylinder；Dummy piston 6, balance liquid cylinder sleeve 7 and inner central tube 8 collectively form two grades of balance fluid cylinders.
Lower piston 18 is enclosed within outside exterior central tube 11 and is positioned at lower loop less than 14, and exterior central tube 11 sets radially lock dog and installs
Hole, lower piston 18 sets inner groove, and deblocking lock dog 19 is placed in described radial direction lock dog installing hole and inner groove；Deblocking lock dog 19 with
Upper inner central tube 8 periphery that is placed in sets external groove 26；Lower piston 18, deblocking lock dog 19, external groove 26, inner central tube 8 and outer in
Heart pipe 11 together constitutes solution sealing mechanism 500.
Lower fluid cylinder set 17 is enclosed within outside lower piston 18, and top has screw thread to be connected with lower loop 14；Lock is set outside lower piston 18
Tight screw thread 27, lower lock ring 20 is enclosed within outside lower piston 18 and is meshed with lower locking screw 27；It is outer also that gear cap 21 is enclosed within lower piston 18
Having screw thread to be connected with lower fluid cylinder set 17, lower lock ring 20 is positioned at the annular space that lower fluid cylinder set 17, gear cap 21 and lower piston 18 are formed
In；Lower lock ring 20, gear cap 21 and lower locking screw 27 collectively form lower retaining mechanism 600.
On inner central tube 8, set fluid cylinder feed liquor endoporus 24 in lower loop less than 14 position, set on exterior central tube 11
Fluid cylinder feed liquor exit orifice 25.
Lower loop 14, under set shear pin 16, lower fluid cylinder set 17, lower piston 18, exterior central tube 11, inner central tube 8, lower fluid cylinder
Feed liquor endoporus 24 and lower fluid cylinder feed liquor exit orifice 25 collectively form lower setting mechanism 400.
Balance feed liquor exit orifice 15 and balance feed liquor endoporus 13 collectively form balance inlet opening.When packing element seals downforce,
Low pressure passes to balance fluid cylinder 200, under pressure by balance inlet opening, annular space between exterior central tube 11 and inner central tube 8
Be bulldozed weighing apparatus fluid cylinder set 7 and upper fluid cylinder set 5, simultaneously on push away dummy piston 6 and upper piston 4, when balance liquid cylinder sleeve 7 and upper fluid cylinder overlap 5
To the lower thrust of packing element 12 more than downforce to the lifting force of packing element time, packing element would not move, and packer also will not unseal.With
Time, the lower thrust of packing element 12 can be made packing element be compressed further, in its compression by balance liquid cylinder sleeve 7 and upper fluid cylinder set 5
Retaining mechanism locks, and this design can make the sealability of packing element be further enhanced.
In order to ensure to balance the fluid cylinder lower thrust to packing element more than the downforce lifting force to packing element, it is also possible to arrange three grades
Balance fluid cylinder, on the basis of the two-stage balanced fluid cylinder of Fig. 1, is further added by one-level balance fluid cylinder, as shown in Figure 2, upper fluid cylinder set 5 Hes
Balance liquid cylinder sleeve 2 201 and dummy piston 2 202 is increased between balance liquid cylinder sleeve 7.Balance liquid cylinder sleeve 2 201 is by screw thread respectively
Fluid cylinder set 5 and balance fluid cylinder set 7 in connection, dummy piston 2 202 is enclosed within balance liquid cylinder sleeve 7 and balance fluid cylinder set 2 201 with interior
In the annular space that central canal 8 is formed.The section of balance liquid cylinder sleeve 2 201 is the most L-shaped, with the basic phase of structure of upper fluid cylinder set 5
With, difference has on the top of balance liquid cylinder sleeve 2 201 and the connection screw thread of upper fluid cylinder set 5.Dummy piston 2 202 and balance
The structure of piston 6 is identical with mounting means.Upper piston 4, upper fluid cylinder set 5 and inner central tube 8 collectively form one-level balance liquid
Cylinder；Dummy piston 6, balance liquid cylinder sleeve 2 201 and inner central tube 8 collectively form two grades of balance fluid cylinders；Dummy piston 2 202, flat
Weighing apparatus fluid cylinder set 7 and inner central tube 8 collectively form three grades of balance fluid cylinders.
When packing element bear upward pressure higher time, deblocking lock dog 19 just bear higher shearing force, this shearing force is to lock
The end of block defines higher extruding force, and when extruding force exceedes the yield strength of material therefor, structure will lose efficacy, for solving
This problem, design structure as shown in Figure 3, the section of the contact site of deblocking lock dog 19 and lower piston 18 is dentation, the most crowded
Pressure will be distributed on multiple inclined-plane, thus the anti-extrusion ability of deblocking lock dog is significantly increased.
When the seal pressure demand of packer is relatively low, as shown in Figure 4, the packer of the present invention can also be one-level liquid
Cylinder, balance liquid cylinder sleeve 7, upper piston 4 collectively form balance fluid cylinder with inner central tube.In order to prevent deblocking, inner central tube and outer in
Deblocking shear pin 401 can also be set between heart pipe.
When setting, raising pressure in inner central tube, each self-starting of upper and lower setting mechanism extrudes packing element from two ends, has set
Time, upper and lower retaining mechanism locks the deformation of packing element.
During deblocking, transferring tubing string, inner central tube 8 is descending, when external groove 26 is relative with deblocking lock dog 19, unseals lock dog 26
Radially moving to center, lower piston 18 just loses the constraint of deblocking lock dog 19, and packing element 12, lower loop 14, lower fluid cylinder set 17 is also
Losing constraint the most together, packer completes deblocking.
Bi-directional compression hydraulic setting, without the using method of anchoring packer, the steps include:
A, installation set packer: bi-directional compression hydraulic setting is connected on tubing string without anchoring packer and sends into down-hole,
Then hydraulic coupling set packer in oil pipe is improved；
B, deblocking packer: first transfer tubing string, then on carry tubing string.
Embodiment as herein described is only exemplary embodiments, but is not limited only to these embodiments, those skilled in the art
Member can make amendment in the spirit without departing from the present invention under enlightenment.Aspect disclosed herein there may be a lot of change,
Combination and amendment, and be within, therefore, protection domain is not limited only to explanation above, but according to right
Requiring to define, protection domain includes all equivalents of the target of claim.
Claims (8)
1. bi-directional compression hydraulic setting is without anchoring packer, and exterior central tube (11) is enclosed within inner central tube (8) outside, and packing element (12) overlaps
On exterior central tube (11), packing element (12) is externally provided with lower setting mechanism (400) in exterior central tube (11), solves sealing mechanism below
(500) and lower retaining mechanism (600), it is characterised in that inner central tube (8) is provided with inner central tube outer step (23), correspondingly, outward
Central canal (11) is provided with step (22) in exterior central tube, and in exterior central tube, step (22) hangs in inner central tube outer step (23)；
More than packing element (12) it is externally provided with upper retaining mechanism (300) in exterior central tube (11), more than exterior central tube (11) in inner central tube (8)
Outer be the most sequentially provided with balance fluid cylinder (200) and upper setting mechanism (100), in packing element (12) following position lower loop (14) and outer in
Heart pipe sets balance inlet opening on (11).
Bi-directional compression hydraulic setting the most according to claim 1 is without anchoring packer, it is characterised in that described balance liquid
Cylinder (200) is two-stage balanced fluid cylinder.
Bi-directional compression hydraulic setting the most according to claim 2 is without anchoring packer, it is characterised in that described balance liquid
Cylinder (200), wherein upper piston (4), upper fluid cylinder set (5) and inner central tube (8) collectively form one-level balance fluid cylinder；Dummy piston
(6), balance liquid cylinder sleeve (7) and inner central tube (8) collectively form two grades of balance fluid cylinders；Balance liquid cylinder sleeve (7) and upper fluid cylinder set (5)
Screw thread is had to be connected；Balance liquid cylinder sleeve (7) has step in annular, and its section is L-shaped；Upper fluid cylinder set (5) also has platform in annular
Rank, its section is the most L-shaped；Dummy piston (6) has annular outer step, and its section is in anti-" L " shape；In dummy piston (6) is enclosed within
Be placed in outside central canal (8) in balance liquid cylinder sleeve (7) and upper fluid cylinder set (5), anti-" L " periphery, shape base of dummy piston (6) with
In balance liquid cylinder sleeve (7) " L " shape, the vertical edge inner surface of step forms sealing surface；Anti-" L " shape vertical edge periphery of dummy piston (6) with
In upper fluid cylinder set (5) " L " shape, the base inner surface of step forms sealing surface；Upper piston (4) is enclosed within inner central tube (8) and upper fluid cylinder
In set (5) annular space that formed, and respectively with the vertical edge of step in the outer surface of inner central tube (8) and upper fluid cylinder set (5) " L " shape
Inner surface forms sealing surface；The vertical edge length of anti-" L " the shape outer step of dummy piston (6) should ensure that when dummy piston (6), upper work
When plug (4) and top connection (1) compress in succession, anti-" L " shape base upper surface of dummy piston (6) outer step and upper fluid cylinder set (5)
Do not contact.
Bi-directional compression hydraulic setting the most according to claim 1 is without anchoring packer, it is characterised in that described upper locking
Mechanism (300) includes lock ring (9) and upper locking screw (91), and exterior central tube (11) upper periphery is provided with locking screw
(91), upper lock ring (9) is enclosed within exterior central tube (11) and outward and is meshed with upper locking screw (91).
Bi-directional compression hydraulic setting the most according to claim 1 is without anchoring packer, it is characterised in that set on described
Mechanism (100) include top connection (1), on set shear pin (2), upper fluid cylinder inlet opening (3), upper piston (4), upper fluid cylinder set (5) and
Inner central tube (8)；Upper fluid cylinder set (5) and top connection (1) by set shear pin (2) and fix, at top connection (1) and upper piston
(4) on inner central tube (8), set upper fluid cylinder inlet opening (3) between.
Bi-directional compression hydraulic setting the most according to claim 1 is without anchoring packer, it is characterised in that described balance liquid
Cylinder is three grades of balance fluid cylinders.
Bi-directional compression hydraulic setting the most according to claim 1 is without anchoring packer, it is characterised in that described deblocking machine
Structure (500) includes unsealing lock dog (19) and lower piston (18), described deblocking lock dog (19) and the contact site of lower piston (18)
Section is dentation.
8. the bi-directional compression hydraulic setting described in claim 1 is without the using method of anchoring packer, the steps include:
A, installation set packer: bi-directional compression hydraulic setting is connected on tubing string without anchoring packer and sends into down-hole,
Then hydraulic coupling set packer in oil pipe is improved；
B, deblocking packer: first transfer tubing string, then on carry tubing string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610803778.5A CN106121579B (en) | 2016-09-06 | 2016-09-06 | Bi-directional compression hydraulic setting is without anchoring packer and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610803778.5A CN106121579B (en) | 2016-09-06 | 2016-09-06 | Bi-directional compression hydraulic setting is without anchoring packer and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106121579A true CN106121579A (en) | 2016-11-16 |
| CN106121579B CN106121579B (en) | 2018-08-21 |
Family
ID=57271260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610803778.5A Active CN106121579B (en) | 2016-09-06 | 2016-09-06 | Bi-directional compression hydraulic setting is without anchoring packer and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106121579B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661592A (en) * | 2017-03-28 | 2018-10-16 | 中国石油天然气股份有限公司 | Oil pipe plug |
| CN108732022A (en) * | 2017-04-25 | 2018-11-02 | 中国石油化工股份有限公司 | Device and method for the test of packer pressure-bearing |
| CN109577905A (en) * | 2018-11-06 | 2019-04-05 | 山东大东联石油设备有限公司 | A kind of repeatable compression packer for setting deblocking |
| CN111852386A (en) * | 2020-09-22 | 2020-10-30 | 东营市瑞丰石油技术发展有限责任公司 | Packer capable of bearing large torque, high temperature and high pressure |
| CN111852381A (en) * | 2019-04-28 | 2020-10-30 | 中国石油天然气股份有限公司 | Fire Drive Packer |
| CN112282689A (en) * | 2020-11-02 | 2021-01-29 | 中国石油天然气股份有限公司 | Soluble packer and using method thereof |
| CN113622860A (en) * | 2020-05-08 | 2021-11-09 | 中国石油天然气股份有限公司 | Fireflood cable packer and fireflood monitoring pipe post |
| CN114183091A (en) * | 2020-09-15 | 2022-03-15 | 中国石油化工股份有限公司 | Balanced type step-by-step unsealing packer and method |
| CN115110914A (en) * | 2022-07-05 | 2022-09-27 | 长葛市金博机械化工有限公司 | Low-pressure seat seal packer |
| CN115637952A (en) * | 2022-11-11 | 2023-01-24 | 中国石油天然气股份有限公司 | Gas injection double-seal packer and method |
| CN117287142A (en) * | 2023-11-27 | 2023-12-26 | 西安洛科电子科技股份有限公司 | Packer capable of repeating electric setting and electric deblocking |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2347062C1 (en) * | 2007-10-16 | 2009-02-20 | Общество с ограниченной ответственностью "Лифт Ойл" | Packer |
| CN202832365U (en) * | 2012-09-06 | 2013-03-27 | 中国石油天然气股份有限公司 | Small diameter layered water injection packer |
| CN203130031U (en) * | 2013-02-21 | 2013-08-14 | 沈阳大华测控技术有限公司 | High-pressure hydraulic pressing crack packer |
| CN203476282U (en) * | 2013-08-26 | 2014-03-12 | 中国石油化工股份有限公司 | Staged fracturing packer of horizontal well |
| CN203499630U (en) * | 2013-08-13 | 2014-03-26 | 江苏汇浩石油装备有限公司 | Hydraulic sealing packer |
| CN206053901U (en) * | 2016-09-06 | 2017-03-29 | 中国石油化工股份有限公司 | Bi-directional compression hydraulic setting is without anchoring packer |
-
2016
- 2016-09-06 CN CN201610803778.5A patent/CN106121579B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2347062C1 (en) * | 2007-10-16 | 2009-02-20 | Общество с ограниченной ответственностью "Лифт Ойл" | Packer |
| CN202832365U (en) * | 2012-09-06 | 2013-03-27 | 中国石油天然气股份有限公司 | Small diameter layered water injection packer |
| CN203130031U (en) * | 2013-02-21 | 2013-08-14 | 沈阳大华测控技术有限公司 | High-pressure hydraulic pressing crack packer |
| CN203499630U (en) * | 2013-08-13 | 2014-03-26 | 江苏汇浩石油装备有限公司 | Hydraulic sealing packer |
| CN203476282U (en) * | 2013-08-26 | 2014-03-12 | 中国石油化工股份有限公司 | Staged fracturing packer of horizontal well |
| CN206053901U (en) * | 2016-09-06 | 2017-03-29 | 中国石油化工股份有限公司 | Bi-directional compression hydraulic setting is without anchoring packer |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661592B (en) * | 2017-03-28 | 2020-07-10 | 中国石油天然气股份有限公司 | Tubing plug |
| CN108661592A (en) * | 2017-03-28 | 2018-10-16 | 中国石油天然气股份有限公司 | Oil pipe plug |
| CN108732022A (en) * | 2017-04-25 | 2018-11-02 | 中国石油化工股份有限公司 | Device and method for the test of packer pressure-bearing |
| CN108732022B (en) * | 2017-04-25 | 2021-01-05 | 中国石油化工股份有限公司 | Device and method for packer pressure bearing test |
| CN109577905A (en) * | 2018-11-06 | 2019-04-05 | 山东大东联石油设备有限公司 | A kind of repeatable compression packer for setting deblocking |
| CN109577905B (en) * | 2018-11-06 | 2020-11-20 | 山东大东联石油设备有限公司 | A Compression Packer with Repeatable Setting and Unpacking |
| CN111852381B (en) * | 2019-04-28 | 2022-08-05 | 中国石油天然气股份有限公司 | Fire-driving packer |
| CN111852381A (en) * | 2019-04-28 | 2020-10-30 | 中国石油天然气股份有限公司 | Fire Drive Packer |
| CN113622860A (en) * | 2020-05-08 | 2021-11-09 | 中国石油天然气股份有限公司 | Fireflood cable packer and fireflood monitoring pipe post |
| CN114183091A (en) * | 2020-09-15 | 2022-03-15 | 中国石油化工股份有限公司 | Balanced type step-by-step unsealing packer and method |
| CN111852386A (en) * | 2020-09-22 | 2020-10-30 | 东营市瑞丰石油技术发展有限责任公司 | Packer capable of bearing large torque, high temperature and high pressure |
| CN112282689A (en) * | 2020-11-02 | 2021-01-29 | 中国石油天然气股份有限公司 | Soluble packer and using method thereof |
| CN115110914A (en) * | 2022-07-05 | 2022-09-27 | 长葛市金博机械化工有限公司 | Low-pressure seat seal packer |
| CN115637952A (en) * | 2022-11-11 | 2023-01-24 | 中国石油天然气股份有限公司 | Gas injection double-seal packer and method |
| CN115637952B (en) * | 2022-11-11 | 2024-04-30 | 中国石油天然气股份有限公司 | Gas injection double-seal packer and method |
| CN117287142A (en) * | 2023-11-27 | 2023-12-26 | 西安洛科电子科技股份有限公司 | Packer capable of repeating electric setting and electric deblocking |
| CN117287142B (en) * | 2023-11-27 | 2024-03-12 | 西安洛科电子科技股份有限公司 | Packer capable of repeating electric setting and electric deblocking |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106121579B (en) | 2018-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106121579A (en) | Bi-directional compression hydraulic setting is without anchoring packer and using method thereof | |
| CN101812981B (en) | Mechanical underground all-in-one blowout preventer | |
| CN101435321B (en) | Horizontal well tube exterior subsection gravel filling sand prevention process and pipe column | |
| CN103726804B (en) | Hydraulic packer and mounting method thereof | |
| US20030178197A1 (en) | Downhole tubular string connections | |
| CN202181888U (en) | A layered water injection string | |
| CN102979495A (en) | Multi-cluster current limiting fracturing string of open hole horizontal well and fracturing method thereof | |
| CN205805463U (en) | A kind of retrievable bridge plug solution sealing mechanism | |
| CN205918361U (en) | Perpendicular drilling tool of machinery | |
| CN106089085A (en) | A kind of machinery vertical drilling tool | |
| RU2039205C1 (en) | Oil well drilling packer | |
| CN104329046B (en) | Rotary hydraulic packer | |
| CN206053901U (en) | Bi-directional compression hydraulic setting is without anchoring packer | |
| CN203420663U (en) | Water injection well unpacking packer step by step | |
| CN110905442B (en) | Empty cement paste of sleeve pipe outer loop fills packer | |
| CN106014319B (en) | A kind of horizontal subsea tree composite plug device | |
| CN205100933U (en) | Hydrology prospecting is with ending pressure water stopper | |
| RU2387798C1 (en) | Device for closing troublesome zone in well-drilling | |
| CN208330208U (en) | Anti-collapse oil well string | |
| CN204252933U (en) | Bidirectional bearing compression hydraulic packer | |
| CN105804693B (en) | A kind of annulus safety valve | |
| CN104343410B (en) | Bidirectional bearing compression hydraulic packer | |
| CN202544815U (en) | Exhaust string for deep-drawing process well | |
| CN115370316B (en) | Double-anchoring high-pressure packer | |
| CN205330617U (en) | Novel annular space relief valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |