CN113216893A - Packer for preventing packer rubber sleeve from being damaged - Google Patents
Packer for preventing packer rubber sleeve from being damaged Download PDFInfo
- Publication number
- CN113216893A CN113216893A CN202110641038.7A CN202110641038A CN113216893A CN 113216893 A CN113216893 A CN 113216893A CN 202110641038 A CN202110641038 A CN 202110641038A CN 113216893 A CN113216893 A CN 113216893A
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- packer
- rubber sleeve
- rubber
- plate
- sides
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- 238000012856 packing Methods 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000002633 protecting effect Effects 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000000151 deposition Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a packer for preventing a packer rubber cylinder from being damaged, which comprises a central pipe and the rubber cylinder, wherein the rubber cylinder is sleeved on the outer side wall of the central pipe, and packer main bodies are arranged on the central pipe and positioned on two sides of the rubber cylinder. According to the invention, the connecting plate and the elastic protective sleeve are arranged on the two sides of the rubber sleeve through the deformation of the rubber sleeve, so that the blocking and buffering effects on substances and impact force on the two sides of the rubber sleeve are effectively realized, the damage to the rubber sleeve is avoided, and the protective effect is improved; through being provided with magnet and fixed plate, realize the inter attraction between the fixed plate of both sides through magnet and connect to make when depositing and protect the packing element when retrieving the packer, the effectual damage of avoiding external environment and pipeline interior material to the packing element, the protecting effect is good. The invention has the advantage of good protection effect of the rubber cylinder.
Description
Technical Field
The invention relates to the technical field of packers, in particular to a packer for preventing a packer rubber cylinder from being damaged.
Background
The packer is an underground tool which is provided with an elastic sealing element and used for sealing annular spaces between pipe columns with various sizes and well bores and between the pipe columns and isolating a production zone so as to control production (injection) liquid and protect the casing, the packer is used for layering in an oil production process, an oil production channel is designed on the packer, and when in setting, a piston sleeve moves upwards and the oil production channel is opened; after the setting, the upper layer pressure acts on the balance piston to push the rubber cylinder upwards, so that the deblocking pin is prevented from shearing force; when the oil extraction channel is unsealed, the unsealing pin is cut off by the friction force between the rubber sleeve and the sleeve, and the piston sleeve moves downwards to close the oil extraction channel.
The packing element on the packer in the prior art is very easily damaged when the packer is used, and the damage of the packing element can cause great reduction of the using effect of the packer, is not beneficial to normal use, and even can cause great danger, so that the packer is very necessary to protect the packing element. Based on the above reasons, the invention provides a packer for preventing a packer rubber sleeve from being damaged so as to solve the problems in the prior art.
Disclosure of Invention
The invention solves the technical problem of overcoming the defect of damage of the rubber sleeve in the prior art and provides a packer for preventing the rubber sleeve of the packer from being damaged. The packer for preventing the packer rubber cylinder from being damaged has the characteristics of good protection effect of the rubber cylinder and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a packer for preventing a packer rubber cylinder from being damaged comprises a central tube, the rubber cylinder is sleeved on the outer side wall of the central tube, the central pipe is provided with packer main bodies at both sides of the rubber cylinder, the side walls of the packer main bodies at the upper and lower sides of the rubber cylinder are uniformly distributed and provided with a plurality of grooves, the connecting plates are movably connected in the grooves, the sides of the connecting plates, which are far away from the grooves, are fixedly connected with fixed plates, a connecting rod is arranged between every two adjacent fixed plates, the side wall of each fixed plate, which is far away from the connecting plate, is fixedly connected with a magnet, the magnets on the front and the back adjacent fixed plates are mutually attracted, the packer main body is located the equal fixedly connected with elastic protection cover on the lateral wall of packing element both sides, the lateral wall fixed connection of center tube one side is kept away from with the fixed plate to elastic protection cover inner chamber opposite side.
Preferably, the connecting plate includes the fly leaf, the fly leaf is kept away from recess one side and has been seted up the rectangular channel, swing joint has the curb plate in the rectangular channel, the curb plate is located rectangular channel inner chamber one end fixedly connected with spring, the spring other end and rectangular channel inside wall fixed connection, the curb plate is kept away from spring one end and is extended the rectangular channel setting.
Preferably, the connecting rod includes the pipe, pipe inner chamber swing joint has two round bars, two the round bar is kept away from pipe inner chamber center one end and is all extended the pipe and respectively with two adjacent fixed plate swing joint.
Preferably, a plurality of the fixing plates are fixedly connected with elastic sealing rings on the sides far away from the connecting plate.
Preferably, the number of the elastic sealing rings is two, and the elastic sealing rings are respectively arranged on two sides of the magnet.
Preferably, the inner side wall of the rectangular groove is symmetrically provided with sliding grooves, the side plates are symmetrically and fixedly connected with sliding blocks on the side wall of the inner cavity of the rectangular groove, and the sliding blocks are movably connected with the sliding grooves.
Preferably, the side walls of the fixing plates, which are close to one side of the rubber cylinder, are fixedly connected with baffle plates.
A method for using a packer to prevent a packer rubber sleeve from being damaged comprises the following steps:
s1: when the device is used, the central tube is connected with an external device, and the position of the device, which is designated by the conveying knife, is conveyed through the external device;
s2: then controlling the packer to start setting operation; at the moment, pressure is generated on the rubber sleeve under the action of the packer main body, so that the rubber sleeve deforms, and at the moment, the side plate on the connecting plate moves in the rectangular groove on the movable plate;
s3: under the continuous deformation of the rubber cylinder, the rubber cylinder pushes the surrounding connecting plates to open, the connecting plates drive the fixing plates to move together, and the round rods on the connecting rods move in the round pipes so as to adapt to the deformation of the rubber cylinder which changes continuously;
s4: when the side wall of the rubber sleeve is tightly attached to the inner wall of the pipeline, the baffle plate on the fixing plate is tightly pressed on the side wall of the pipeline through the side wall of the rubber sleeve, the connecting plates are respectively unfolded at two sides of the rubber sleeve at the moment, the elastic protective sleeve is unfolded under the action of the connecting plates, and the protective layers are formed at two sides of the rubber sleeve, so that the impact and the damage of substances in the pipeline to the rubber sleeve are reduced;
s5: the elastic sealing ring on the fixing plate is attached to the inner wall of the pipeline, so that the stability is good, and the protection effect is further improved;
s6: when the packer needs to be unsealed, the pressure of the packer main body on the rubber cylinder is reduced, the rubber cylinder is restored to the original state, and the resistance of the rubber cylinder is not present on the connecting plate, so that the connecting plate moves to one side of the rubber cylinder under the action of the pipeline pressures on the two sides;
s7: when the connecting plate rotates to a certain angle, the magnets on the fixing plates on the two sides attract each other, the connection between the two fixing plates is completed under the action of the spring, and the sleeving operation of the rubber sleeve is realized through the external elastic protective sleeve;
s8: when moving the device, the protection to the rubber sleeve can be realized through the elastic protection sleeve, the damage to the rubber sleeve in the moving process is avoided, and the protection effect is improved.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the connecting plate and the elastic protective sleeve are arranged on the two sides of the rubber sleeve through the deformation of the rubber sleeve, so that the blocking and buffering effects on substances and impact force on the two sides of the rubber sleeve are effectively realized, the damage to the rubber sleeve is avoided, and the protective effect is improved;
2. through being provided with magnet and fixed plate, realize the inter attraction between the fixed plate of both sides through magnet and connect to make when depositing and protect the packing element when retrieving the packer, the effectual damage of avoiding external environment and pipeline interior material to the packing element, the protecting effect is good.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the structure of the plane A-A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the structure of the plane B-B of FIG. 2 according to the present invention;
FIG. 5 is an enlarged view of the invention at C of FIG. 2
Fig. 6 is an enlarged view of fig. 4 at D according to the present invention.
Reference numbers in the figures: 1. a central tube; 2. a rubber cylinder; 3. a packer body; 4. a groove; 5. a connecting plate; 6. a fixing plate; 7. a connecting rod; 8. a magnet; 9. an elastic protective sleeve; 10. a movable plate; 11. a rectangular groove; 12. a side plate; 13. a spring; 14. a circular tube; 15. a round bar; 16. an elastic sealing ring; 17. a chute; 18. a slider; 19. and a baffle plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a packer for preventing a packer packing element from being damaged comprises a central tube 1, a packing element 2 is sleeved on the outer side wall of the central tube 1, packer main bodies 3 are arranged on two sides of the packing element 2 of the central tube 1, a plurality of grooves 4 are uniformly distributed on the side walls of the packer main bodies 3 on the upper side and the lower side of the packing element 2, connecting plates 5 are movably connected in the grooves 4, each connecting plate 5 comprises a movable plate 10, a rectangular groove 11 is formed in one side, away from the groove 4, of each movable plate 10, a side plate 12 is movably connected in the rectangular groove 11, sliding grooves 17 are symmetrically formed in the inner side wall of the rectangular groove 11, sliding blocks 18 are symmetrically and fixedly connected to the side wall of the inner cavity of the rectangular groove 11, each sliding block 18 is movably connected with the corresponding sliding groove 17, a spring 13 is fixedly connected to one end, located in the inner cavity of the rectangular groove 11, of the side plate 12, the other end, away from the spring 13, extends out of the rectangular groove 11, the elastic protection sleeves 9 on two sides can be driven to move, the protection effect is improved, one side of the connecting plate 5, which is far away from the groove 4, is fixedly connected with a fixing plate 6, a connecting rod 7 is arranged between every two adjacent fixing plates 6, the connecting rod 7 comprises a round pipe 14, the inner cavity of the round pipe 14 is movably connected with two round rods 15, one ends of the two round rods 15, which are far away from the center of the inner cavity of the round pipe 14, extend out of the round pipe 14 and are respectively movably connected with the two adjacent fixing plates 6, the connection between the fixing plates 6 is realized, the protection operation is convenient, the side wall of each fixing plate 6, which is far away from one side of the connecting plate 5, is fixedly connected with a magnet 8, the magnets 8 on the front and rear adjacent two fixing plates 6 are mutually attracted, the elastic protection sleeves 9 are respectively and fixedly connected on the side walls of the packer main body 3, which are positioned on two sides of the rubber sleeve 2, the other sides of the inner cavities of the elastic protection sleeves 9 are fixedly connected with the side walls of the fixing plates 6, which are far away from one side of the central pipe 1, the equal fixedly connected with elastic sealing ring 16 in one side of connecting plate 5 is kept away from to a plurality of fixed plate 6, elastic sealing ring 16 is provided with two, elastic sealing ring 16 is located the setting of 8 both sides of magnet respectively, improve the leakproofness on the one hand, reduce the damage to packing element 2, on the other hand improves shock resistance stability, make the protecting effect good, equal fixedly connected with baffle 19 on the fixed plate 6 is close to the lateral wall on packing element 2 one side, packing element 2 of being convenient for warp the top tight to baffle 19, make the protecting effect of both sides better.
A method for using a packer to prevent a packer rubber sleeve from being damaged comprises the following steps:
s1: when the device is used, the central tube 1 is connected with an external device, and the position of the device, which is designated by a conveying knife, is conveyed through the external device;
s2: then controlling the packer to start setting operation; at the moment, pressure is generated on the rubber sleeve 2 under the action of the packer main body 3, so that the rubber sleeve 2 deforms, and at the moment, the side plate 12 on the connecting plate 5 moves in the rectangular groove 11 on the movable plate 10;
s3: under the continuous deformation of the rubber cylinder 2, the rubber cylinder 2 pushes the surrounding connecting plates 5 to open, the connecting plates 5 drive the fixing plates 6 to move together, and the round rods 15 on the connecting rods 7 move in the round tubes 14 at the moment so as to adapt to the deformation of the rubber cylinder 2 which changes continuously;
s4: when the side wall of the rubber sleeve 2 is tightly attached to the inner wall of the pipeline, the baffle 19 on the fixing plate 6 is tightly pressed on the side wall of the pipeline through the side wall of the rubber sleeve 2, the connecting plates 5 are respectively unfolded at two sides of the rubber sleeve 2 at the moment, the elastic protective sleeve 9 is unfolded under the action of the connecting plates 5, and protective layers are formed at two sides of the rubber sleeve 2, so that the impact and the damage of substances in the pipeline to the rubber sleeve 2 are reduced;
s5: the elastic sealing ring 16 on the fixing plate 6 is attached to the inner wall of the pipeline, so that the stability is good, and the protection effect is further improved;
s6: when the packer needs to be unpacked, the pressure of the packer main body 3 on the rubber sleeve 2 is reduced, the rubber sleeve 2 is restored to the original state, and the resistance of the rubber sleeve 2 is not present on the connecting plate 5, so that the connecting plate 5 moves to one side of the rubber sleeve 2 under the action of the pipeline pressures on the two sides;
s7: when the connecting plate 5 rotates to a certain angle, the magnets 8 on the fixing plates 6 on the two sides attract each other, the connection between the two fixing plates 6 is completed under the action of the spring 13, and the rubber sleeve 2 is sleeved through the external elastic protective sleeve 9;
s8: when moving this device, can realize the protection to packing element 2 through elastic protection cover 9, avoid improving the protective effect to the damage of packing element 2 in the motion process.
The working principle is as follows: when the device is used, the central tube 1 is connected with an external device, the position of a conveying cutter of the device is appointed by the external device, and then the packer is controlled to start setting operation; at the moment, pressure is generated on the rubber sleeve 2 under the action of the packer main body 3, so that the rubber sleeve 2 deforms, at the moment, the side plate 12 on the connecting plate 5 moves in the rectangular groove 11 on the movable plate 10, under the continuous deformation of the rubber sleeve 2, the rubber sleeve 2 pushes the surrounding connecting plates 5 to open, the connecting plate 5 drives the fixing plate 6 to move together, at the moment, the round rod 15 on the connecting rod 7 moves in the round pipe 14 to adapt to the deformation of the rubber sleeve 2 which changes continuously, when the side wall of the rubber sleeve 2 is tightly attached to the inner wall of the pipeline, the baffle plate 19 on the fixing plate 6 is tightly pressed on the side wall of the pipeline through the side wall of the rubber sleeve 2, at the moment, the connecting plates 5 are respectively unfolded at two sides of the rubber sleeve 2, the elastic protecting sleeves 9 are unfolded through the action of the connecting plate 5, the protecting layers are formed at two sides of the rubber sleeve 2, the impact and damage of substances inside the pipeline to the rubber sleeve 2 are reduced, and the elastic sealing rings 16 on the fixing plate 6 are attached to the inner wall of the pipeline, make stability good, further improve the protecting effect, when needs deblocking, packer main part 3 reduces the pressure of packing element 2 this moment, packing element 2 reconversion, the resistance that does not have packing element 2 on connecting plate 5 this moment, make connecting plate 5 move to packing element 2 one side under the effect of both sides pipeline pressure, after connecting plate 5 rotated certain angle, magnet 8 inter attraction on the fixed plate 6 of both sides, and accomplish the connection between two fixed plates 6 under the effect of spring 13, realize entangling the operation to packing element 2 through outside elasticity lag 9, when moving this device, can realize the protection to packing element 2 through elasticity lag 9, avoid the damage to packing element 2 in the motion process, improve the protecting effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a prevent damaged packer of packer packing element, includes center tube (1), the cover is equipped with packing element (2) on the lateral wall of center tube (1), center tube (1) is located packing element (2) both sides and all is provided with packer main part (3), its characterized in that: a plurality of grooves (4) are uniformly distributed on the side walls of the packer main body (3) positioned at the upper side and the lower side of the rubber cylinder (2), the groove (4) is internally and movably connected with a connecting plate (5), one side of the connecting plate (5) far away from the groove (4) is fixedly connected with a fixed plate (6), a connecting rod (7) is arranged between every two adjacent fixed plates (6), the side wall of each fixed plate (6) far away from the connecting plate (5) is fixedly connected with a magnet (8), the magnets (8) on the front and back adjacent fixed plates (6) are mutually attracted, the side walls of the packer main body (3) at the two sides of the rubber sleeve (2) are fixedly connected with elastic protective sleeves (9), the other side of the inner cavity of the elastic protective sleeve (9) is fixedly connected with the side wall of one side of the fixing plate (6) far away from the central tube (1).
2. The packer of claim 1, wherein the packer comprises a packer rubber sleeve, and the packer rubber sleeve comprises: connecting plate (5) are including movable plate (10), rectangular channel (11) have been seted up to recess (4) one side is kept away from in movable plate (10), swing joint has curb plate (12) in rectangular channel (11), curb plate (12) are located rectangular channel (11) inner chamber one end fixedly connected with spring (13), the spring (13) other end and rectangular channel (11) inside wall fixed connection, spring (13) one end is kept away from in curb plate (12) and is extended rectangular channel (11) setting.
3. The packer of claim 1, wherein the packer comprises a packer rubber sleeve, and the packer rubber sleeve comprises: connecting rod (7) include pipe (14), pipe (14) inner chamber swing joint has two round bars (15), two pipe (15) are kept away from pipe (14) inner chamber center one end and are all extended pipe (14) and respectively with two adjacent fixed plate (6) swing joint.
4. The packer of claim 1, wherein the packer comprises a packer rubber sleeve, and the packer rubber sleeve comprises: a plurality of the fixing plates (6) are respectively fixedly connected with an elastic sealing ring (16) at one side far away from the connecting plate (5).
5. The packer of claim 4, wherein the packer rubber is configured to prevent damage to the packer rubber: the number of the elastic sealing rings (16) is two, and the elastic sealing rings (16) are respectively arranged on two sides of the magnet (8).
6. The packer of claim 2, wherein the packer rubber is configured to prevent damage to the packer rubber: sliding grooves (17) are symmetrically formed in the inner side wall of the rectangular groove (11), sliding blocks (18) are symmetrically and fixedly connected to the side wall of the inner cavity of the rectangular groove (11) of the side plate (12), and the sliding blocks (18) are movably connected with the sliding grooves (17).
7. The packer of claim 1, wherein the packer comprises a packer rubber sleeve, and the packer rubber sleeve comprises: the side wall of the fixing plate (6) close to one side of the rubber cylinder (2) is fixedly connected with a baffle plate (19).
8. The use method of the packer for preventing the packer rubber from being damaged according to any one of claims 1 to 7, is characterized by comprising the following steps:
s1: when the device is used, the central tube (1) is connected with an external device, and the device is conveyed to a designated position by the external device;
s2: then controlling the packer to start setting operation; at the moment, pressure is generated on the rubber sleeve (2) under the action of the packer main body (3), so that the rubber sleeve (2) deforms, and the side plate (12) on the connecting plate (5) moves in the rectangular groove (11) on the movable plate (10);
s3: under the continuous deformation of the rubber cylinder (2), the rubber cylinder (2) pushes the surrounding connecting plates (5) to open, the connecting plates (5) drive the fixing plates (6) to move together, and at the moment, the round rods (15) on the connecting rods (7) move in the round tubes (14) to adapt to the deformation of the rubber cylinder (2) which changes continuously;
s4: when the side wall of the rubber sleeve (2) is tightly attached to the inner wall of the pipeline, the baffle (19) on the fixing plate (6) is tightly pressed on the side wall of the pipeline through the side wall of the rubber sleeve (2), at the moment, the connecting plates (5) are respectively unfolded at two sides of the rubber sleeve (2), the elastic protective sleeve (9) is unfolded under the action of the connecting plates (5), protective layers are formed at two sides of the rubber sleeve (2), and the impact and damage of substances in the pipeline to the rubber sleeve (2) are reduced;
s5: the elastic sealing ring (16) on the fixing plate (6) is attached to the inner wall of the pipeline, so that the stability is good, and the protection effect is further improved;
s6: when the packer needs to be unsealed, the pressure of the packer main body (3) on the rubber sleeve (2) is reduced, the rubber sleeve (2) recovers to the original state, and the resistance of the rubber sleeve (2) is not generated on the connecting plate (5), so that the connecting plate (5) moves to one side of the rubber sleeve (2) under the action of pipeline pressures on two sides;
s7: when the connecting plate (5) rotates to a certain angle, the magnets (8) on the fixing plates (6) on the two sides attract each other, the connection between the two fixing plates (6) is completed under the action of the spring (13), and the sleeving operation of the rubber sleeve (2) is realized through the external elastic protecting sleeve (9);
s8: when moving the device, the protection of the rubber sleeve (2) can be realized through the elastic protection sleeve (9), the damage to the rubber sleeve (2) in the moving process is avoided, and the protection effect is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110641038.7A CN113216893B (en) | 2021-06-09 | 2021-06-09 | Packer for preventing packer rubber sleeve from being damaged |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110641038.7A CN113216893B (en) | 2021-06-09 | 2021-06-09 | Packer for preventing packer rubber sleeve from being damaged |
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| Publication Number | Publication Date |
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| CN113216893A true CN113216893A (en) | 2021-08-06 |
| CN113216893B CN113216893B (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110641038.7A Active CN113216893B (en) | 2021-06-09 | 2021-06-09 | Packer for preventing packer rubber sleeve from being damaged |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982524A (en) * | 2021-11-05 | 2022-01-28 | 徐国枝 | Packer for preventing packer rubber sleeve from being damaged and using method thereof |
| CN115199236A (en) * | 2022-08-24 | 2022-10-18 | 杨桂军 | Packer capable of increasing pressure resistance of rubber sleeve and using method thereof |
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| US6286603B1 (en) * | 1999-02-04 | 2001-09-11 | Solinst Canada Limited | Packing system and method for boreholes |
| US20070227746A1 (en) * | 2006-03-29 | 2007-10-04 | Zheng Rong Xu | Packer cup systems for use inside a wellbore |
| CN211573472U (en) * | 2019-12-13 | 2020-09-25 | 东营钧辰石油设备有限责任公司 | Packer for preventing packer rubber sleeve from being damaged |
| CN111927380A (en) * | 2020-08-13 | 2020-11-13 | 东营凯博石油科技有限责任公司 | Long-acting double-rubber-barrel double-deblocking expansion packer |
| CN112681999A (en) * | 2021-03-10 | 2021-04-20 | 东营市海天自动化工程有限责任公司 | Compression packer |
| CN112780216A (en) * | 2021-02-23 | 2021-05-11 | 大庆市天德忠石油科技有限公司 | Protection mechanism of expanding packer packing element |
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2021
- 2021-06-09 CN CN202110641038.7A patent/CN113216893B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6286603B1 (en) * | 1999-02-04 | 2001-09-11 | Solinst Canada Limited | Packing system and method for boreholes |
| US20070227746A1 (en) * | 2006-03-29 | 2007-10-04 | Zheng Rong Xu | Packer cup systems for use inside a wellbore |
| CN211573472U (en) * | 2019-12-13 | 2020-09-25 | 东营钧辰石油设备有限责任公司 | Packer for preventing packer rubber sleeve from being damaged |
| CN111927380A (en) * | 2020-08-13 | 2020-11-13 | 东营凯博石油科技有限责任公司 | Long-acting double-rubber-barrel double-deblocking expansion packer |
| CN112780216A (en) * | 2021-02-23 | 2021-05-11 | 大庆市天德忠石油科技有限公司 | Protection mechanism of expanding packer packing element |
| CN112681999A (en) * | 2021-03-10 | 2021-04-20 | 东营市海天自动化工程有限责任公司 | Compression packer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982524A (en) * | 2021-11-05 | 2022-01-28 | 徐国枝 | Packer for preventing packer rubber sleeve from being damaged and using method thereof |
| CN115199236A (en) * | 2022-08-24 | 2022-10-18 | 杨桂军 | Packer capable of increasing pressure resistance of rubber sleeve and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113216893B (en) | 2021-12-28 |
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