CN203594405U - High-temperature and high-pressure large-drift-diameter sleeve hydraulic packer - Google Patents
High-temperature and high-pressure large-drift-diameter sleeve hydraulic packer Download PDFInfo
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- CN203594405U CN203594405U CN201320758874.4U CN201320758874U CN203594405U CN 203594405 U CN203594405 U CN 203594405U CN 201320758874 U CN201320758874 U CN 201320758874U CN 203594405 U CN203594405 U CN 203594405U
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- sleeve
- central tube
- slips
- hydraulic packer
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- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000012856 packing Methods 0.000 claims description 30
- 238000009987 spinning Methods 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 abstract description 7
- 239000005060 rubber Substances 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract 1
- 210000000664 rectum Anatomy 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 231100000749 chronicity Toxicity 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Images
Abstract
The utility model relates to a high-temperature and high-pressure large-drift-diameter sleeve hydraulic packer. The high-temperature and high-pressure large-drift-diameter sleeve hydraulic packer comprises an inner central tube, a combined sealing rubber sleeve part, a setting piston part, a locking part, a slip set and an outer central tube, wherein the combined sealing rubber sleeve part, the setting piston part, the locking part, the slip set and the outer central tube are connected to the inner central tube in a sleeved mode. The front end of the inner central tube is connected with an upper connector in a rotating mode. The outside of the upper connector is connected with a release sleeve. The lower side of the release sleeve is connected with a balancing connector in a rotating mode. A core sleeve is sleeved with the combined sealing rubber sleeve part. The inner central tube is sleeved with the core sleeve. The upper end of the core sleeve is connected with the balancing connector in a rotating mode. The combined sealing rubber sleeve part comprises a rubber sleeve and a metal net. An upper guide ring and a lower guide ring abut against the upper side and the lower side of the combined sealing rubber sleeve part respectively. The upper guide ring is connected with the balancing connector in a rotating mode. The lower guide ring is connected with an oil release jacket in a rotating mode. The lower side of the oil release jacket is connected with a cylinder sleeve, the locking part and the slip set in sequence in a rotating mode. The setting piston part is arranged in the cylinder sleeve. The slip set is fixed in a slip sleeve through an upper cone body and a lower cone body and is integrally wrapped on the outer central tube in a sleeved mode. The high-temperature and high-pressure large-drift-diameter sleeve hydraulic packer is high in pressure bearing capacity and temperature resistance capacity, large in drift diameter, high in integral stability and long in effective splitting time.
Description
Technical field
The large diameter through sleeve hydraulic packer of HTHP using when relating to a kind of Oil/gas Well in reservoir reconstruction measure process and producing of the present utility model.
Background technology
The effect of casing packer is that the broken barometric gradient well in highland carries out the reservoir reconstructions such as acid fracturing and high-pressure well while producing, separates oil jacket, protective casing and well head at down-hole certain depth.Along with constantly carrying out of exploration and development, Oil/gas Well well depth is more and more darker, and it is more and more higher that ground breaks barometric gradient, and pressure-bearing, heatproof to packer require more and more higher.The at present conventional poor 52MPa of the highest pressure-bearing of domestic casing packer, 150 ℃ of high-temperature resistants, and the HTHP packer using mainly contains THT, the MHR, SAB-3, the Premier etc. that are produced by Halliburton and Bake Hughes, its price is high; Also have in addition a domestic SHR-HP packer, but latus rectum is only 60mm, latus rectum little Chu has throttling benefit while changing, and later stage dynamic monitoring is had to certain influence, and unstable properties, and effectively the packing time is shorter.
Summary of the invention
The purpose of this utility model is low for existing domestic casing packer pressure-bearing, heatproof, import HTHP casing packer price is high, domestic SHR-HP packer latus rectum is little, unstable properties, effective shorter deficiency of packing time, and a kind of large diameter through sleeve packer of HTHP that is applicable to high temperature, the broken barometric gradient in highland and high-pressure well is provided.
The purpose of this utility model is achieved in that the large diameter through sleeve hydraulic packer of HTHP, and it comprises inner central tube, is socketed in combination sealing packing element part on inner central tube, sets piston piece, locking piece, slips group and exterior central tube part.Be connected with top connection at inner central tube front end, in top connection, outward by discharging nut and shear pin Connection Release cover, balance joint spins under release cover.Combination sealing packing element part is placed on core retainer plate, and core retainer plate is placed on outside inner central tube, and core retainer plate upper end and balance joint spin.Combination sealing packing element part comprises packing element and the both sides wire lath at middle part, upper and lower lead ring contacts respectively in the upper and lower both sides of combination sealing packing element part, upper lead ring and balance joint spin, and lower lead ring and draining cover spin, and cylinder sleeve, locking piece and slips group successively spin under draining cover.In cylinder sleeve, be provided with setting piston piece, setting piston piece comprises upper and lower part piston and release piece, and release piece top and core retainer plate spin, and bottom and exterior central tube spin.Described slips group is fixed in slip sleeve by upper and lower centrum, and entirety is wrapped on exterior central tube.
Owing to carrying out technique scheme, the utility model improves fluid sealant barrier part structure, changes wire lath, packing element, wire lath into combine by traditional three packing elements combinations, improves cartridge bearing capacity, and by pressure-bearing, poor 52MPa brings up to 70MPa; Increase packing element lining thickness, improve body bearing capacity, by pressure-bearing, poor 52MPa brings up to 70MPa; Optimize rubber seal material, change fluorubber into by hydrogenated nitrile-butadiene rubber, temperature resistant capability is brought up to 204 ℃ by 150 ℃; Increase inside and outside central tube latus rectum, sacrifice and set piston area, central tube latus rectum value added 76mm, " oil pipe latus rectum is consistent with 3-1/2; Change the relative position that sets fluid cylinder and packing element, traditional fluid cylinder is placed on packing element, change into fluid cylinder is placed under packing element, reduce packing element upper seal, improve packer stability and chronicity; Employing bi-directional slip under sealing system, bidirectionally anchoring can bear bidirectional pressure difference, guarantees to set firm, effectively protects packing element sealing.
Accompanying drawing explanation: the technical solution of the utility model is provided by following drawings and Examples:
Fig. 1 is the large diameter through sleeve hydraulic packer of HTHP structural representation;
Fig. 2 is combination sealing packing element part structural representation;
Fig. 3 is bi-directional slip structural representation.
Legend: 1, top connection, 2, discharge cover, 3, balance joint, 4, upper lead ring, 5, wire lath, 6, packing element, 7, core retainer plate, 8, lower lead ring, 9, draining cover, 10, cylinder sleeve, 11, locking piece, 12, shear pin, 13, upper centrum, 14, slips group, 15, back-moving spring, 16, slip sleeve, 17, hypocentrum, 18, exterior central tube, 19, inner central tube.
The specific embodiment:
The utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
Embodiment: as shown in Fig. 1-3, it comprises inner central tube 19 the large diameter through sleeve hydraulic packer of HTHP, is socketed in combination sealing packing element part on inner central tube 19, sets piston piece, locking piece 11, slips group 14 and exterior central tube 18 parts.Be connected with top connection 1 at inner central tube 19 front ends, outside top connection 1, by discharging nut and shear pin Connection Release cover 2, discharge and overlap the balance joint 3 that spins for 2 times.Combination sealing packing element part is placed on core retainer plate 7, and core retainer plate 7 is placed on outside inner central tube 19, and core retainer plate 7 upper ends and balance joint 3 spin.Combination sealing packing element part comprises packing element 6 and the both sides wire lath 5 at middle part, and upper and lower lead ring 4,8 contacts respectively in the upper and lower both sides of combination sealing packing element part, and packing element 6 is the cylinder of a central through hole, and upper and lower end face is the conical surface and wire lath 5 end faces are connected.Upper lead ring 4 spins with balance joint 3, and lower lead ring 8 spins with draining cover 9, and draining overlaps spin successively for 9 times cylinder sleeve, locking piece 11 and slips group 14.In cylinder sleeve, be provided with setting piston piece, setting piston piece comprises upper and lower part piston and release piece, and release piece top and core retainer plate 7 spin, and bottom and exterior central tube 18 spin.Described slips group 14 is fixed in slip sleeve 16 by upper and lower centrum 13,17, and entirety is wrapped on exterior central tube 18, and exterior central tube 18 is placed on outside inner central tube 19.
Described slip sleeve 16 is the cylinder of a central through hole, the equidistant spaced apart slips mouth that is provided with on its periphery, and described upper and lower two slips mouths are one group, installing a slice slips group 14 in every group of slips mouth.Described slips group 14 is made up of two slips of arranging up and down that are connected, and slips external surface is arcwall face, is processed with anchor tooth on it, and middle part is processed with groove, and the slip sleeve 16 between this groove and every group of slips mouth is corresponding.Be equiped with back-moving spring 15 at described bottom portion of groove to 16 of slip sleeves.Slips inner surface both sides are provided with the symmetrical arc conical surface, and upper and lower centrum 13,17 is wedged respectively between the arc conical surface, and slips group 14 is located.
In slip sleeve 16 upper port, be provided with terrace with edge, this terrace with edge and upper centrum 13 contact, and the slip sleeve 16 of terrace with edge bottom is by shear pin 12 and upper centrum 13 pin joints.
Centered by upper centrum 13, have through hole, up big and down small cone.Described through hole top offers the box thread spinning with lower piston.
Hypocentrum has through hole centered by 17 tops, up-small and down-big cone, and bottom is the cylinder that center has through hole.Described through hole top is processed with the box thread spinning with exterior central tube 18, is processed with the step of restriction hypocentrum 17 and slip sleeve 16 relative motion distances on the excircle of lower end, and bottom is processed with the screw being connected with interior hexagonal holding screw.
Be lowered to the utility model in Oil/gas Well pit shaft time, by inner central tube 18 lower end tubing thread male thread connected pipes or setting ball seats, top connection 1 upper end tubing thread box thread connected pipes, changes after completion mouth down to design attitude, and well head pitching, suppresses in oil pipe.In oil pipe, suppress pressure and enter exterior central tube pressure transmission hole from the pressure transmission hole at inner central tube 19 middle parts, enter again the gap between upper piston and lower piston, pressure-acting is on the piston of upper and lower part, and pressure reaches the shear force of shear pin, cuts off shear pin, piston setting in motion, continue to cut off shear pin, upper piston moves upward and struts wire lath 5 and packing element 6, and lower piston moves downward and struts slips group 14, until the application is completely setting, then destroys ball seat tubing string and recover unobstructed.
Above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs inessential technical characterictic, meets the needs of different situations.
Claims (7)
1. the large diameter through sleeve hydraulic packer of HTHP, it comprises inner central tube, be socketed in the combination sealing packing element part on inner central tube, set piston piece, locking piece, slips group and exterior central tube part, be connected with top connection at inner central tube front end, pass through to discharge nut and shear pin Connection Release cover outward in top connection, balance joint spins under release cover, it is characterized in that: combination sealing packing element part is placed on core retainer plate, core retainer plate is placed on outside inner central tube, core retainer plate upper end and balance joint spin, combination sealing packing element part comprises packing element and the both sides wire lath at middle part, on, lower lead ring contacts respectively on combination sealing packing element part, lower both sides, upper lead ring and balance joint spin, lower lead ring and draining cover spin, cylinder sleeve successively spins under draining cover, locking piece and slips group, in cylinder sleeve, be provided with setting piston piece, setting piston piece comprises, lower piston and release piece, release piece top and core retainer plate spin, bottom and exterior central tube spin, described slips group is by upper, hypocentrum is fixed in slip sleeve, entirety is wrapped on exterior central tube.
2. the large diameter through sleeve hydraulic packer of HTHP as claimed in claim 1, is characterized in that: packing element is the cylinder of a central through hole, upper and lower end face is the conical surface and wire lath end face is connected.
3. the large diameter through sleeve hydraulic packer of HTHP as claimed in claim 1, it is characterized in that: slip sleeve is the cylinder of a central through hole, the equidistant spaced apart slips mouth that is provided with on its periphery, described upper and lower two slips mouths are one group, installing a slice slips group in every group of slips mouth, described slips group is made up of two slips of arranging up and down that are connected, slips inner surface both sides are provided with the symmetrical arc conical surface, upper and lower centrum is wedged respectively between the arc conical surface, and slips group is located.
4. the large diameter through sleeve hydraulic packer of HTHP as claimed in claim 3, it is characterized in that: slips external surface is arcwall face, on it, be processed with anchor tooth, middle part is processed with groove, slip sleeve between this groove and every group of slips mouth is corresponding, is equiped with back-moving spring at described bottom portion of groove between slip sleeve.
5. the large diameter through sleeve hydraulic packer of HTHP as claimed in claim 3, is characterized in that: in slip sleeve upper port, be provided with terrace with edge, this terrace with edge and upper centrum contact, and the slip sleeve of terrace with edge bottom is by shear pin and upper centrum pin joint.
6. the large diameter through sleeve hydraulic packer of HTHP as claimed in claim 3, is characterized in that: centered by upper centrum, have through hole, and up big and down small cone, described through hole top offers the box thread spinning with lower piston.
7. the large diameter through sleeve hydraulic packer of HTHP as claimed in claim 3, it is characterized in that: hypocentrum has through hole centered by top, up-small and down-big cone, bottom is the cylinder that center has through hole, described through hole top is processed with the box thread spinning with exterior central tube, the step that is processed with restriction hypocentrum and slip sleeve relative motion distance on the excircle of lower end, bottom is processed with the screw being connected with interior hexagonal holding screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320758874.4U CN203594405U (en) | 2013-11-27 | 2013-11-27 | High-temperature and high-pressure large-drift-diameter sleeve hydraulic packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320758874.4U CN203594405U (en) | 2013-11-27 | 2013-11-27 | High-temperature and high-pressure large-drift-diameter sleeve hydraulic packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203594405U true CN203594405U (en) | 2014-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320758874.4U Expired - Lifetime CN203594405U (en) | 2013-11-27 | 2013-11-27 | High-temperature and high-pressure large-drift-diameter sleeve hydraulic packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203594405U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590780A (en) * | 2013-11-27 | 2014-02-19 | 中国石油化工股份有限公司 | High-temperature high-pressure large-drift-diameter hydraulic sleeve packer |
| CN109973043A (en) * | 2019-05-14 | 2019-07-05 | 淮安市井神钻采机具有限公司 | A kind of multilayer company note water injection packer with step-by-step deblocking |
-
2013
- 2013-11-27 CN CN201320758874.4U patent/CN203594405U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590780A (en) * | 2013-11-27 | 2014-02-19 | 中国石油化工股份有限公司 | High-temperature high-pressure large-drift-diameter hydraulic sleeve packer |
| CN109973043A (en) * | 2019-05-14 | 2019-07-05 | 淮安市井神钻采机具有限公司 | A kind of multilayer company note water injection packer with step-by-step deblocking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Shichun Inventor after: Zhang Jia Inventor after: Yang Kun Inventor after: Zhang Menghua Inventor after: Li Haijun Inventor after: Liu Lian Inventor after: Wang Penghui Inventor after: Wang Bowei Inventor after: Xie Jin Inventor after: Zou Wei Inventor after: Zhou Shengfu Inventor before: Zhang Menghua Inventor before: Li Haijun Inventor before: Liu Lian Inventor before: Wang Penghui Inventor before: Wang Bowei Inventor before: Xie Jin Inventor before: Zou Wei Inventor before: Zhou Shengfu Inventor before: Zhang Jia |
|
| CB03 | Change of inventor or designer information | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140514 |
|
| CX01 | Expiry of patent term |