CN118601510A - Long-life petroleum packer - Google Patents
Long-life petroleum packer Download PDFInfo
- Publication number
- CN118601510A CN118601510A CN202410628124.8A CN202410628124A CN118601510A CN 118601510 A CN118601510 A CN 118601510A CN 202410628124 A CN202410628124 A CN 202410628124A CN 118601510 A CN118601510 A CN 118601510A
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- Prior art keywords
- moving
- packer
- fixed
- petroleum
- life
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- 239000003208 petroleum Substances 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 18
- 238000012856 packing Methods 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000032683 aging Effects 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 description 7
- 210000001503 joint Anatomy 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Gasket Seals (AREA)
Abstract
The invention provides a long-life petroleum packer, which relates to the field of packers and comprises: a packer body; the inside cover of packer body is equipped with two additional packing elements that opposite direction set up, and the inside of every additional packing element is fixed with two elastic metal material's internals, is fixed with annular evenly arranged's promotion subassembly between two internals, and the promotion subassembly of elastic metal material is arc platelike structure. The packer body is initially sealed through the original rubber cylinder when sealing, the most basic sealing effect is guaranteed, when the additional rubber cylinder is used for assisting in sealing, the movable part continuously pushes the additional sleeve after deformation, the additional rubber cylinder is continuously expanded to seal, after aging is avoided, sealing effect and service life are affected, the problem that the service life is affected due to the fact that the rubber cylinder is continuously aged along with the increase of service time when the common petroleum packer is sealed for a long time or permanently sealed is solved, the sealing effect is reduced is caused, and the service life is affected is solved.
Description
Technical Field
The invention relates to the technical field of packers, in particular to a long-service-life petroleum packer.
Background
The oil packer is used for sealing the oil pipe and the oil gas well casing or the borehole wall annular space, when the oil pipe and the oil gas well casing or the borehole wall annular space are required to be sealed, after the operation of flushing the well, the packer is installed on a downhole tubular column and lowered to a sufficient design depth, the packing element on the packer is inflated in a hydraulic driving mode or the like to seal the oil-separating sleeve annular space, an isolation production layer is isolated, the effect is exerted, the oil packer is a downhole tool with an elastic sealing element, a plurality of different deblocking modes exist at present, the effect is the same, the high-strength bearing capacity of the packer to temperature and pressure is exerted, the separated layers are mutually independent and do not interfere with each other, the operations of fracturing, water injection delamination, production liquid control, water blocking and casing protection are completed, the packer can be aged with the increase of the service time, the packer is continuously aged, the packer is influenced in a long-time or permanent-time sealing, the packer is influenced in the service life, the stability is greatly influenced, the packer is taken out, the stability is greatly influenced, and the stability is greatly influenced after the packer is taken out, and the packer is used in a vibration period.
Disclosure of Invention
The embodiment of the disclosure relates to a long-life petroleum packer, it is when tubular column and packer body are connected in the pit, when needs take out the packer body, control tubular column and direction head contact in the pit, because the cross-section of direction head is triangle-shaped structure, and the outside is the slope structure, make tubular column can location suit in the pit, convenient butt joint screw thread improves the efficiency of butt joint, conveniently take out the packer body, simultaneously after tubular column is screwed up through the screw thread in the pit, moving head and fixed tooth structure are fixed with tubular column antiskid in the pit with the help of spring elasticity, improve the connection fixed effect, avoid not hard up.
In a first aspect of the present disclosure, there is provided a long life petroleum packer, comprising: a packer body; two additional rubber barrels which are oppositely arranged are sleeved in the packer body, after the packer body is pulled, the two additional rubber barrels are contacted together and mutually extruded, two elastic metal internal parts are fixed in each additional rubber barrel, annular pushing components which are uniformly arranged are fixed between the two internal parts, the elastic metal pushing components are of arc-shaped plate structures, and arc-shaped rods are arranged on the outer sides of the pushing components; a mounting member; the installation component is sleeved outside the bottom end of the packer body, the outside of the installation component is provided with a movable component capable of freely displacing through an embedded groove and a spring, the outer sides of the four movable components are arc-shaped structures, and a rotatable component capable of freely rotating is arranged in the outer sides of the movable components; a connector structure; the connector structure welds in the top of packer body, and connector structure's top is equipped with the screw thread to be connected with the tubular column in the pit through the screw thread, connector structure's top is equipped with the guide head of ring structure, and the cross-section of guide head is triangle-shaped structure, and connector structure's outside is fixed with the moving head through shifting ring and bracing piece, and the top of moving head is fixed with pyramid-shaped structure's fixed tooth structure.
In at least some embodiments, two original rubber barrels capable of being deformed under pressure are fixed at the top end of the packer body, two additional rubber barrels are positioned below the two original rubber barrels, four moving blocks which are annularly arranged are sleeved outside the bottom end of the packer body, and the bottom ends of the moving blocks are of T-shaped structures; the outer parts of the four moving blocks are connected together through an elastic ring, the top end of the moving block is fixed with a fixed block component with wedge-shaped teeth arranged outside, the inner side of the fixed block component is of an inclined structure, and after the packer body is pulled, the moving block and the fixed block component can be extruded to move outwards; the inside of movable block and fixed block subassembly runs through the inside groove of seting up H shape structure, but the internally mounted of inside groove has the spacing head subassembly of free pull, and the inboard top of spacing head subassembly is the tilting structure, and after the packer body pull, extrusion movable block and fixed block subassembly removed, can continue to promote spacing head subassembly outwards to remove, and the outside bottom of spacing head subassembly is equipped with the pyramid shape pole that is the slope setting.
In at least some embodiments, the top end of the installation component is provided with four moving grooves which are annularly arranged, the moving blocks are inserted into the moving grooves to guide movement, the outside of the installation component is sleeved with a collar component, and the collar component is sleeved outside the four moving components; four embedded grooves which are annularly arranged are formed in the outer portion of the installation component, a moving component is inserted into the embedded grooves, a positioning groove is formed in the inner side of the moving component, and a spring is inserted into the positioning groove; the upper side and the lower side of the moving part are respectively provided with a guide groove, two ends of each guide groove are communicated with the inside of the installation position of the rotating part through round holes, the outer middle positions of the two guide grooves are provided with a circulation groove, and the circulation groove is arranged at the outer middle position of the moving part.
In at least some embodiments, the outside of the connector structure is sleeved with a spring, the outside of the connector structure is fixed with a baffle ring, the bottom of the spring is contacted with the top end of the baffle ring, and two sides of the connector structure are respectively fixed with a positioning rod structure; the two sides of the connector structure are respectively provided with a through groove, the outside of the connector structure is sleeved with a movable ring with an annular structure, and the bottom of the movable ring is contacted with the top end of the spring; the top of the movable ring is contacted with the bottom of the positioning rod structure, two support rods are respectively fixed on two sides of the movable ring, the top of each support rod is welded with the movable head, and the movable head is inserted into the through groove to freely move up and down.
The invention provides a long-life petroleum packer, which has the following beneficial effects:
the packer body is initially sealed through original packing element when packing, guarantees the most basic effect of packing, and additional packing element of packer body control is compressed together simultaneously and is used, makes additional packing element extrude the internals together and promote the subassembly, when additional packing element is supplementary to be packed, and moving part is with the help of elastic deformation, continuously promotes additional sleeve after the deformation, guarantees that additional packing element is continuous to expand and seals, avoids ageing after, influences and seals effect and life.
After the packer body goes into the well, the moving metal drives the rotating part to move together, so that the rotating part can be in sliding contact with the well wall, the packer body can smoothly slide and move, larger friction is avoided, the use of the packer body is prevented from being influenced, meanwhile, the moving part is stressed to squeeze the spring when in friction or vibration is encountered, vibration force is eliminated by means of the elasticity of the spring, and the stability of the packer body is guaranteed.
When the underground pipe column is connected with the packer body, the underground pipe column is controlled to be in contact with the guide head when the packer body is required to be taken out, the section of the guide head is of a triangular structure, and the outer side is of an inclined structure, so that the underground pipe column can be positioned and sleeved, the threads are conveniently abutted, the abutting efficiency is improved, the packer body is conveniently taken out, and meanwhile, after the underground pipe column is screwed tightly through the threads, the moving head and the fixed tooth structure are fixed with the underground pipe column in an anti-slip contact mode through spring elasticity, the connecting and fixing effect is improved, and looseness is avoided.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 shows a schematic perspective view of the present application;
FIG. 2 shows a schematic view of the bottom construction of the present application;
FIG. 3 shows an exploded perspective view of the present application;
FIG. 4 shows an exploded bottom view of the present application;
FIG. 5 shows a partially assembled perspective view of the present application;
FIG. 6 shows an exploded perspective and partial cross-sectional enlarged schematic view of the packer body of the application;
FIG. 7 is an exploded perspective view of the mounting assembly of the present application;
Fig. 8 shows an exploded perspective view of the connector structure of the present application.
List of reference numerals
1. A packer body; 101. an original rubber cylinder; 102. adding a rubber cylinder; 103. an inner member; 104. a pushing assembly; 105. a moving block; 106. a fixed block assembly; 107. an inner tank; 108. a spacing head assembly;
2. a mounting member; 201. a moving groove; 202. a collar member; 203. an embedding groove; 204. a moving member; 205. a positioning groove; 206. a rotating member; 207. a guide groove; 208. a flow channel;
3. A connector structure; 301. a baffle ring; 302. a positioning rod structure; 303. a through groove; 304. a guide head; 305. a moving ring; 306. a support rod; 307. a moving head; 308. and fixing the tooth structure.
Detailed Description
Embodiment one: please refer to fig. 1 to 8:
The invention provides a long-life petroleum packer, which comprises: a packer body 1; two additional rubber barrels 102 which are oppositely arranged are sleeved in the packer body 1, after the packer body 1 is pulled, the two additional rubber barrels 102 are contacted together and mutually extruded, so that the additional rubber barrels 102 can be sealed in an auxiliary mode, two inner pieces 103 made of elastic metal are fixed in each additional rubber barrel 102, pushing assemblies 104 which are annularly and uniformly arranged are fixed between the two inner pieces 103, the pushing assemblies 104 made of the elastic metal are of arc-shaped plate structures, arc-shaped rods are arranged on the outer sides of the pushing assemblies 104 and are positioned in the inner deformation of the additional rubber barrels 102, the additional rubber barrels 102 are continuously supported, the plugging effect is improved, and the service life is prevented from being influenced after aging; a mounting part 2; the installation component 2 is sleeved outside the bottom end of the packer body 1, the freely displaceable moving components 204 are installed outside the installation component 2 through the embedded grooves 203 and springs, so that the moving components 204 can eliminate vibration force by means of the elasticity of the springs, the outer sides of the four moving components 204 are of arc-shaped structures, the freely rotatable rotating components 206 are arranged in the outer sides of the moving components 204, the moving components 204 can be in contact with a well wall, the packer body 1 can be displaced smoothly, and large abrasion cannot be generated; a connector structure 3; the connector structure 3 welds in the top of packer body 1, the top of connector structure 3 is equipped with the screw thread, and be connected with tubular column in the pit through the screw thread, the top of connector structure 3 is equipped with the leading head 304 of ring column structure, the cross-section of leading head 304 is triangle-shaped structure, control tubular column in the pit and the accurate butt joint of packer body 1, improve butt joint efficiency and connection effect, the outside of connector structure 3 is fixed with movable head 307 through removing ring 305 and bracing piece 306, the top of movable head 307 is fixed with pyramid column structure's fixed tooth structure 308, with the help of spring elasticity and tubular column antiskid contact in the pit, improve and connect fixed effect, avoid tubular column in the pit to become flexible.
In the embodiment of the disclosure, as shown in fig. 6, two original rubber barrels 101 capable of being deformed by compression are fixed at the top end of a packer body 1, and can be expanded to contact with a well wall, so that the packing effect is improved, two additional rubber barrels 102 are positioned below the two original rubber barrels 101, four moving blocks 105 which are annularly arranged are sleeved outside the bottom end of the packer body 1, the bottom ends of the moving blocks 105 are of a T-shaped structure, and a fixed block assembly 106 is driven to move together; the outer parts of the four moving blocks 105 are connected together through an elastic ring, the top end of the moving block 105 is fixed with a fixed block assembly 106 with wedge-shaped teeth arranged outside and used for being fixed in contact with the well wall, the inner side of the fixed block assembly 106 is of an inclined structure, and after the packer body 1 is pulled, the moving block 105 and the fixed block assembly 106 can be extruded to move outwards; the inside of movable block 105 and fixed block subassembly 106 runs through the inside in H shape structure of having seted up, but the internally mounted of inside groove 107 has spacing first subassembly 108 of free pull, but the inboard top of spacing first subassembly 108 is the tilting structure, after the pull of packer body 1, extrusion movable block 105 and fixed block subassembly 106 remove, can continue to promote spacing first subassembly 108 and outwards remove, the outside bottom of spacing first subassembly 108 is equipped with the pyramid shape pole that is the slope setting, after making fixed block subassembly 106 remove, spacing first subassembly 108 also can be atress and remove together, drive pyramid shape pole and wall of a well contact, improve fixed connection effect.
In the embodiment of the disclosure, as shown in fig. 7, four moving grooves 201 are arranged at the top end of the installation part 2, and the moving blocks 105 are inserted into the moving grooves 201 to guide movement, so that the moving blocks 105 are guided to move, a collar part 202 is sleeved outside the installation part 2, the collar part 202 is sleeved outside the four moving parts 204, and the moving parts 204 are prevented from moving outwards and separating; four embedded grooves 203 which are annularly arranged are formed outside the mounting part 2, a moving part 204 is inserted into the embedded grooves 203, a positioning groove 205 is formed inside the moving part 204, and a spring is inserted into the positioning groove 205; the upper and lower both sides of moving part 204 have offered a guide slot 207 respectively, and the both ends of guide slot 207 pass through the inside intercommunication of the mounted position of round hole and rotating part 206, can make liquid or wind pass through rotating part 206, and supplementary heat dissipation, and a circulation groove 208 has been offered to the outside intermediate position of two guide slots 207, and circulation groove 208 is offered in the outside intermediate position of moving part 204, makes things convenient for liquid or wind to pass through, reduces packer body 1 decurrent resistance.
In the embodiment of the disclosure, as shown in fig. 8, a spring is sleeved outside the connector structure 3 to continuously push the moving ring 305 to rise, a baffle ring 301 is fixed outside the connector structure 3, the bottom of the spring is in contact with the top end of the baffle ring 301, and two positioning rod structures 302 are respectively fixed on two sides of the connector structure 3 to support the moving ring 305 and avoid the moving ring 305 from rising excessively; two sides of the connector structure 3 are respectively provided with a through groove 303, the outside of the connector structure 3 is sleeved with a movable ring 305 with a circular ring structure, and the bottom of the movable ring 305 is contacted with the top end of the spring; the top end of the movable ring 305 contacts with the bottom of the positioning rod structure 302, two support rods 306 are respectively fixed on two sides of the movable ring 305, the top ends of the support rods 306 are welded with the movable head 307, and the movable head 307 is inserted into the through groove 303 to freely move up and down so as to drive the fixed tooth structure 308 to move together for use.
The working principle of the embodiment is as follows: the packer body 1 is controlled to be connected with the underground pipe column through the connector structure 3 and threads, the packer body 1 is controlled to be penetrated into a well through the underground pipe column, the spring continuously pushes the moving part 204 to move outwards when the packer body 1 moves, the moving part 206 is contacted with the well wall, the packer body 1 can be smoothly displaced, friction and abrasion are reduced, in the moving process, if vibration is encountered, the moving part 204 can compress the spring, vibration force is eliminated through elasticity, stability of the packer body 1 is improved, blocking effect is avoided, after the packer body 1 moves to a blocking position, the packer body 1 component is controlled to operate and draw, the original rubber cylinder 101 is extruded and blocked, meanwhile, the additional rubber cylinder 102 is extruded, the pushing component 104 and the inner part 103 are extruded together, the pushing component 104 continuously supports the additional rubber cylinder 102 to expand, the pushing component 104 is positioned on the inner support of the additional rubber cylinder 102, the blocking effect and the service life are improved, the blocking effect is avoided, the blocking effect is influenced after aging, the blocking effect is not required, the underground pipe column 304 is controlled to be contacted with the guide head 304, the guide head is controlled to be accurately displaced, the guide body is connected with the connector structure through the connector structure, the anti-slip effect is improved, and the abutting effect is improved, the abutting effect is achieved through the abutting joint structure is improved, and the abutting effect is prevented from being tightly connected with the connector structure.
Claims (10)
1. A long life petroleum packer comprising: a packer body (1); two additional rubber barrels (102) which are oppositely arranged are sleeved in the packer body (1), after the packer body (1) is pulled, the two additional rubber barrels (102) are contacted together and mutually extruded, two elastic metal internal parts (103) are fixed in each additional rubber barrel (102), annular pushing components (104) which are uniformly arranged are fixed between the two internal parts (103), the pushing components (104) made of the elastic metal are of an arc-shaped plate structure, and arc rods are arranged on the outer sides of the pushing components (104); a mounting member (2); the installation components (2) are installed outside the bottom end of the packer body (1) in a sleeved mode, the freely displaceable moving components (204) are installed outside the installation components (2) through the embedded grooves (203) and springs, the outer sides of the four moving components (204) are of arc-shaped structures, and a freely rotatable rotating component (206) is arranged in the outer sides of the moving components (204); a connector structure (3); the connector structure (3) is welded above the packer body (1), threads are arranged at the top end of the connector structure (3) and are connected with a downhole tubular column through the threads, a guide head (304) of an annular structure is arranged at the top end of the connector structure (3), the cross section of the guide head (304) is of a triangular structure, a movable head (307) is fixed outside the connector structure (3) through a movable ring (305) and a supporting rod (306), and a fixed tooth structure (308) of a pyramid structure is fixed at the top end of the movable head (307).
2. The long-life petroleum packer according to claim 1, characterized in that the top end of the packer body (1) is fixed with two original rubber barrels (101) capable of being deformed under pressure, two additional rubber barrels (102) are located below the two original rubber barrels (101), four moving blocks (105) which are annularly arranged are sleeved outside the bottom end of the packer body (1), and the bottom ends of the moving blocks (105) are of T-shaped structures.
3. The long-life petroleum packer according to claim 2, characterized in that the outer parts of the four moving blocks (105) are connected together through an elastic ring, a fixed block assembly (106) with wedge-shaped teeth is fixed at the top end of the moving block (105), the inner side of the fixed block assembly (106) is of an inclined structure, and after the packer body (1) is pulled, the moving block (105) and the fixed block assembly (106) can be extruded to move outwards.
4. The long-life petroleum packer of claim 3, wherein an inner groove (107) with an H-shaped structure is formed in the moving block (105) and the fixed block assembly (106) in a penetrating manner, a limit head assembly (108) capable of being freely pulled is arranged in the inner groove (107), a slope-shaped structure is arranged above the inner side of the limit head assembly (108), after the packer body (1) is pulled out, the limit head assembly (108) can be pushed to move outwards continuously after the moving block (105) and the fixed block assembly (106) are extruded, and a pyramid-shaped rod which is obliquely arranged is arranged at the bottom of the outer side of the limit head assembly (108).
5. The long-life petroleum packer according to claim 4, wherein the top end of the installation part (2) is provided with four moving grooves (201) which are annularly arranged, the moving block (105) is inserted into the moving grooves (201) to guide movement, the outside of the installation part (2) is sleeved with a sleeve part (202), and the sleeve part (202) is sleeved outside the four moving parts (204).
6. The long life petroleum packer according to claim 5, wherein the outer part of the installation member (2) is provided with four insertion grooves (203) arranged in a ring shape, a moving member (204) is inserted into the insertion grooves (203), a positioning groove (205) is provided at the inner side of the moving member (204), and a spring is inserted into the positioning groove (205).
7. The long-life petroleum packer according to claim 6, wherein a guide groove (207) is respectively provided on the upper and lower sides of the moving member (204), both ends of the guide groove (207) are communicated with the inside of the installation position of the rotating member (206) through round holes, a circulation groove (208) is provided on the outside intermediate position of the two guide grooves (207), and the circulation groove (208) is provided on the outside intermediate position of the moving member (204).
8. The long-life petroleum packer of claim 7, wherein the outer part of the connector structure (3) is sleeved with a spring, a baffle ring (301) is fixed on the outer part of the connector structure (3), the bottom of the spring is contacted with the top end of the baffle ring (301), and two sides of the connector structure (3) are respectively fixed with a positioning rod structure (302).
9. The long-life petroleum packer of claim 8, wherein two sides of the connector structure (3) are respectively provided with a through groove (303), a movable ring (305) with an annular structure is sleeved outside the connector structure (3), and the bottom of the movable ring (305) is contacted with the top end of the spring.
10. The long-life petroleum packer according to claim 9, wherein the top end of the moving ring (305) is in contact with the bottom of the positioning rod structure (302), two supporting rods (306) are respectively fixed on two sides of the moving ring (305), the top ends of the supporting rods (306) are welded with the moving head (307), and the moving head (307) is inserted into the through groove (303) to freely move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410628124.8A CN118601510A (en) | 2024-05-21 | 2024-05-21 | Long-life petroleum packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410628124.8A CN118601510A (en) | 2024-05-21 | 2024-05-21 | Long-life petroleum packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118601510A true CN118601510A (en) | 2024-09-06 |
Family
ID=92550659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410628124.8A Pending CN118601510A (en) | 2024-05-21 | 2024-05-21 | Long-life petroleum packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118601510A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1398038A (en) * | 1972-05-26 | 1975-06-18 | Schlumberger Technology Corp | Well packer apparatus |
| CN111927381A (en) * | 2020-08-18 | 2020-11-13 | 肖云东 | Hydraulic expansion type packer for plugging oil well |
| CN112814610A (en) * | 2021-01-05 | 2021-05-18 | 孙淑芳 | Expanding packer |
| CN217400866U (en) * | 2022-03-24 | 2022-09-09 | 武汉市欧赛石油技术开发有限公司 | Rubber tube soft anchoring packer |
| CN218522643U (en) * | 2022-11-29 | 2023-02-24 | 西安迈瑞驰石油科技有限公司 | Bidirectional setting packer |
| CN220539602U (en) * | 2023-08-16 | 2024-02-27 | 中油博淏科技(天津)有限公司 | Packer for expanding metal seal |
| CN117722153A (en) * | 2024-02-04 | 2024-03-19 | 辽宁石油化工大学 | Petroleum packer device and method with high sealing performance and capable of assisting slip to shrink |
-
2024
- 2024-05-21 CN CN202410628124.8A patent/CN118601510A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1398038A (en) * | 1972-05-26 | 1975-06-18 | Schlumberger Technology Corp | Well packer apparatus |
| CN111927381A (en) * | 2020-08-18 | 2020-11-13 | 肖云东 | Hydraulic expansion type packer for plugging oil well |
| CN112814610A (en) * | 2021-01-05 | 2021-05-18 | 孙淑芳 | Expanding packer |
| CN217400866U (en) * | 2022-03-24 | 2022-09-09 | 武汉市欧赛石油技术开发有限公司 | Rubber tube soft anchoring packer |
| CN218522643U (en) * | 2022-11-29 | 2023-02-24 | 西安迈瑞驰石油科技有限公司 | Bidirectional setting packer |
| CN220539602U (en) * | 2023-08-16 | 2024-02-27 | 中油博淏科技(天津)有限公司 | Packer for expanding metal seal |
| CN117722153A (en) * | 2024-02-04 | 2024-03-19 | 辽宁石油化工大学 | Petroleum packer device and method with high sealing performance and capable of assisting slip to shrink |
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