CN115030684A - Compression type downhole operation packer - Google Patents
Compression type downhole operation packer Download PDFInfo
- Publication number
- CN115030684A CN115030684A CN202210851930.2A CN202210851930A CN115030684A CN 115030684 A CN115030684 A CN 115030684A CN 202210851930 A CN202210851930 A CN 202210851930A CN 115030684 A CN115030684 A CN 115030684A
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- packer
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- mounting
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- 230000006835 compression Effects 0.000 title claims abstract description 24
- 238000007906 compression Methods 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims 7
- 238000012856 packing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 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
- E21B33/127—Packers; Plugs with inflatable sleeve
-
- 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
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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)
- Earth Drilling (AREA)
Abstract
The invention discloses a compression type downhole operation packer, which comprises a packer body, wherein one end of the packer body is movably provided with a mounting component, and the surface of the packer body is movably provided with a protection component; according to the packer, due to the arrangement of the mounting assembly, when the packer body needs to be disassembled, the movable block is moved outwards manually, the first spring in the fixed column is stretched, so that the movable block can drive the second connecting rod to move outwards synchronously, therefore, the second connecting rod can drive the locking column to be separated from the locking groove formed in the surface of the first connecting rod, the first connecting rod is in a movable state, the buckle plate can be separated from the surface of a pipeline, the purpose of disassembling the packer is achieved, otherwise, the packer can be installed quickly, the time for an operator to disassemble and assemble the packer is effectively reduced, the installation stability can be guaranteed on the basis of quick installation, and the effect of improving the convenience of the device is achieved.
Description
Technical Field
The invention relates to the technical field of packers, in particular to a compression type downhole operation packer.
Background
The packer is a downhole tool which is connected on a downhole string and used for packing an annular space between an oil pipe and an oil-gas well casing or a barefoot well wall, and is divided into four types of self-sealing type, compression type, expansion type and combination type according to different working principles of the packer, wherein the compression type packer is pressed from the inside of the oil pipe after being lowered to a designed depth, high-pressure liquid acts on a piston mechanism through a pressure transmission pore inside the packer, and a compression rubber sleeve expands to pack the annular space of the oil casing under the action of throttling pressure difference. When the oil pressure is released and the pressure of the oil sleeve is balanced, the rubber sleeve is restored to the original state by the resilience force of the rubber sleeve, and the rubber sleeve is unsealed.
When most of the existing compression packers are connected with pipelines, operators need to use corresponding tools to install parts such as bolts, nuts and the like on the packers and the pipelines, so that more time is spent in installation; and in the process of running the packer in, a rubber cylinder in the packer can be scraped by sand, so that the sealing performance of the rubber cylinder is invalid, and the normal use of the packer is influenced.
Therefore, the inventor aims to provide a compression type downhole operation packer by taking the experience of abundant design development and actual manufacturing of related industries for years as a basis and researching and improving the existing structure and deficiency so as to achieve the purpose of conveniently and quickly connecting the packer and a pipeline.
Disclosure of Invention
In order to overcome the defects of the prior art, the embodiment of the invention provides a compression type downhole operation packer, and by arranging an installation assembly, the time for an operator to disassemble and assemble the packer is effectively reduced, and the installation stability can be ensured on the basis of quick installation, so that the effect of improving the convenience of the device is achieved; the invention ensures the sealing performance of the rubber cylinder by arranging the protective component, thereby achieving the effect of improving the practicability of the device and solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the compression type downhole operation packer comprises a packer body, wherein one end of the packer body is movably provided with a mounting assembly, and the surface of the packer body is movably provided with a protection assembly;
the installation component comprises a first fixing ring, the side face of the first fixing ring is fixedly provided with a second fixing ring, the side face of the second fixing ring is fixedly provided with a sealing ring, the surface activity of the first fixing ring is provided with a transmission component, the surface activity of the transmission component is provided with a locking component, and the surface activity of the second fixing ring is provided with a fixing component.
In a preferred embodiment, the drive assembly includes the transmission case, the inside movable mounting of transmission case has the dwang, the one end fixed mounting of dwang has the driving gear, the other end fixed mounting of dwang has the rotation handle, the surface engagement of driving gear has driven gear, driven gear's fixed surface installs the head rod, the locking groove has been seted up on the surface of head rod.
In a preferred embodiment, the locking assembly includes a fixed column, an installation groove is formed in the fixed column, a locking column is movably installed in the fixed column, a second connecting rod is fixedly installed on the surface of the locking column, a moving block is fixedly installed on the surface of the second connecting rod, a fixed rod is fixedly installed in the moving block, a first spring is fixedly connected to one end of the fixed rod, one end of the first spring is fixedly connected to the side surface of the fixed column, and the other end of the first spring is fixedly connected to the surface of the fixed rod.
In a preferred embodiment, the fixing component comprises an installation column, a blocking rod is fixedly installed on the inner wall of the installation column, a rotating groove is formed in the inner wall of the installation column, a first rotating column is movably installed inside the rotating groove, a buckling plate is fixedly installed on the surface of the first rotating column, a movable component is movably installed on the bottom surface of the buckling plate, and a threaded rod is movably installed on the surface of the movable component.
In a preferred embodiment, the movable assembly includes a movable plate, a thread groove is formed in the surface of the movable plate, a receiving groove is formed in the top surface of the movable plate, a second spring is fixedly connected to the inside of the receiving groove, an expansion plate is fixedly connected to one end of the second spring, the other end of the second spring is fixedly connected to the inside of the receiving groove, and a second rotating column is fixedly mounted inside the expansion plate.
In a preferred embodiment, the protection component comprises a mounting ring, a mounting block is fixedly mounted on the surface of the mounting ring, a movable rod is fixedly mounted on the surface of the mounting block, a protection plate is movably mounted on the surface of the movable rod, and a third spring is fixedly connected to the surface of the protection plate.
In a preferred embodiment, the bottom surface of the transmission case is fixedly connected with the surface of the first fixing ring, one end of the first connecting rod is fixedly connected with one end of the threaded rod, and the inside of the locking groove is movably connected with the surface of the locking column.
In a preferred embodiment, the bottom surface of the fixed column is fixedly connected with the surface of the first fixing ring, the inside of the mounting groove is movably connected with the surface of the first connecting rod, the surface of the second connecting rod is movably connected with the inside of the fixed column, and the surface of the fixing rod is movably connected with the side surface of the fixed column.
In a preferred embodiment, the inside of the thread groove is movably connected with the surface of the threaded rod, the bottom surface of the movable plate is movably connected with the bottom surface of the inside of the mounting column, and the surface of the second rotating column is movably connected with the inside of the buckling plate.
In a preferred embodiment, the inner part of the protection plate is movably connected with the surface of the packer body, and the inner part of the installation ring is fixedly connected with the surface of the packer body.
The invention has the technical effects and advantages that:
1. by arranging the mounting assembly, when the packer body needs to be disassembled, firstly, the movable block is moved outwards manually, the first spring in the fixed column is stretched, so that the movable block can drive the second connecting rod to move outwards synchronously, therefore, the second connecting rod can drive the locking column to be separated from the locking groove formed on the surface of the first connecting rod, the first connecting rod is in a movable state, the rotating handle is rotated manually at the moment, so that the rotating rod can rotate synchronously, when the rotating rod rotates, the driving gear arranged on the surface of the rotating rod can rotate synchronously and drive the driven gear meshed with the surface of the rotating rod to rotate, therefore, the threaded rod can be driven to rotate in the threaded groove when the first connecting rod rotates, so that the movable plate can horizontally move in the mounting column, and the telescopic plate can be driven to move synchronously by the movement of the movable plate, at expansion plate horizontal migration's in-process, can rotate being connected of post and buckle plate through the second, drive the buckle plate and rotate in the inside of erection column, consequently make the buckle plate change into the vertical state from the horizontal condition, thereby make the buckle plate can break away from the surface of pipeline, in order to reach the purpose of dismantling the packer, otherwise, can swiftly install the packer, the effectual required time of operating personnel dismouting packer that has reduced, and can guarantee the stability of installation on the basis of swift installation, thereby the effect of improving the device convenience has been reached.
2. According to the invention, the protective component is arranged, the mounting ring is arranged on the surface of the packer body, so that the protective plate can cover the rubber cylinder part, and the protective component is integrally arranged on the surface of the packer body under the elastic action of the third spring, so that the normal compression of the packer is not influenced, the rubber cylinder is ensured not to be worn by sand, the sealing property of the rubber cylinder is ensured, and the effect of improving the practicability of the device is achieved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic perspective view of the assembled structure of the present invention.
Fig. 3 is a schematic structural view of the mounting assembly of the present invention.
Fig. 4 is a schematic structural diagram of the transmission assembly of the present invention.
Fig. 5 is a schematic structural view of the locking assembly of the present invention.
Fig. 6 is a schematic structural view of the fixing assembly of the present invention.
Fig. 7 is a schematic structural diagram of the movable assembly of the present invention.
Fig. 8 is a schematic structural diagram of the shield assembly of the present invention.
The reference signs are: 1. a packer body; 2. mounting the component; 3. a guard assembly; 21. a first retaining ring; 22. a second retaining ring; 23. a seal ring; 24. a transmission assembly; 25. a locking assembly; 26. a fixing assembly; 241. a transmission case; 242. rotating the rod; 243. a driving gear; 244. rotating the handle; 245. a driven gear; 246. a first connecting rod; 247. a locking groove; 251. fixing a column; 252. mounting grooves; 253. a locking post; 254. a second connecting rod; 255. a moving block; 256. fixing the rod; 257. a first spring; 261. mounting a column; 262. a blocking lever; 263. a rotating groove; 264. a first rotating column; 265. a buckle plate; 266. a movable component; 267. a threaded rod; 2661. a movable plate; 2662. a thread groove; 2663. accommodating grooves; 2664. a second spring; 2665. a retractable plate; 2666. a second rotating cylinder; 31. a mounting ring; 32. mounting a block; 33. a movable rod; 34. a protection plate; 35. a third spring.
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.
The compression type downhole operation packer shown in the attached figures 1-8 comprises a packer body 1, wherein a mounting component 2 is movably mounted at one end of the packer body 1, and a protection component 3 is movably mounted on the surface of the packer body 1;
the installation component 2 comprises a first fixing ring 21, the side fixed mounting of the first fixing ring 21 is provided with a second fixing ring 22, the side fixed mounting of the second fixing ring 22 is provided with a sealing ring 23, the surface movable mounting of the first fixing ring 21 is provided with a transmission component 24, the surface movable mounting of the transmission component 24 is provided with a locking component 25, and the surface movable mounting of the second fixing ring 22 is provided with a fixing component 26.
As shown in fig. 3 and 7, the transmission assembly 24 includes a transmission case 241, a rotating rod 242 is movably installed inside the transmission case 241, a driving gear 243 is fixedly installed at one end of the rotating rod 242, a rotating handle 244 is fixedly installed at the other end of the rotating rod 242, a driven gear 245 is engaged with the surface of the driving gear 243, a first connecting rod 246 is fixedly installed on the surface of the driven gear 245, a locking groove 247 is formed on the surface of the first connecting rod 246, the locking assembly 25 includes a fixed column 251, an installation groove 252 is formed inside the fixed column 251, a locking column 253 is movably installed inside the fixed column 251, a second connecting rod 254 is fixedly installed on the surface of the locking column 253, a moving block 255 is fixedly installed on the surface of the second connecting rod 254, a fixed rod 256 is fixedly installed inside the moving block 255, and a first spring 257 is fixedly connected to one end of the fixed rod 256, one end of the first spring 257 is fixedly connected to a side surface of the fixed column 251, the other end of the first spring 257 is fixedly connected to a surface of the fixed rod 256, the fixing assembly 26 includes an installation column 261, a blocking rod 262 is fixedly installed on an inner wall of the installation column 261, a rotating groove 263 is formed on an inner wall of the installation column 261, a first rotating column 264 is movably installed inside the rotating groove 263, a snap plate 265 is fixedly installed on a surface of the first rotating column 264, a movable assembly 266 is movably installed on a bottom surface of the snap plate 265, a threaded rod 267 is movably installed on a surface of the movable assembly 266, the movable assembly 266 includes a movable plate 2661, a threaded groove 2662 is formed on a surface of the movable plate 2661, an accommodating groove 2663 is formed on a top surface of the movable plate 2661, a second spring 2664 is fixedly connected inside the accommodating groove 2663, and an expansion plate 2665 is fixedly connected to one end of the second spring 2664, the other end of the second spring 2664 is fixedly connected to the inside of the receiving groove 2663, a second rotating post 2666 is fixedly installed inside the retractable plate 2665, the bottom surface of the transmission case 241 is fixedly connected to the surface of the first fixing ring 21, one end of the first connecting rod 246 is fixedly connected to one end of the threaded rod 267, the inside of the locking groove 247 is movably connected to the surface of the locking post 253, the bottom surface of the fixed post 251 is fixedly connected to the surface of the first fixing ring 21, the inside of the mounting groove 252 is movably connected to the surface of the first connecting rod 246, the surface of the second connecting rod 254 is movably connected to the inside of the fixed post 251, the surface of the fixing rod 256 is movably connected to the side surface of the fixed post 251, the inside of the threaded groove 2662 is movably connected to the surface of the threaded rod 267, the bottom surface of the movable plate 2661 is movably connected to the bottom surface of the inside of the mounting post 261, and the surface of the second rotating post 2666 is movably connected to the inside of the locking plate 265, through the fixed subassembly 26 structure that sets up for rotation through threaded rod 267 can drive buckle plate 265 and overturn, thereby through buckle plate 265's upset, can be with buckle plate 265 joint on the pipeline, consequently can replace the tradition to carry out the mode of installing through parts such as bolt and nut, reduced the required time of dismouting packer effectively.
Wherein, as shown in fig. 8, the protection component 3 includes the collar 31, the fixed surface of collar 31 installs the installation piece 32, the fixed surface of installation piece 32 installs movable rod 33, the fixed surface of movable rod 33 has guard plate 34, the fixed surface of guard plate 34 is connected with third spring 35, the inside of guard plate 34 and the surface swing joint of packer body 1, the inside of collar 31 and the fixed surface of packer body 1 are connected, through the guard plate 34 structure that sets up for the packer is at the in-process of going into, and the packing element can not receive the wearing and tearing of grit, thereby has ensured the leakproofness of packing element, has guaranteed the normal use of packer.
The working principle of the invention is as follows: when the packer body 1 needs to be disassembled, firstly, the moving block 255 is moved outwards manually, at this time, the first spring 257 inside the fixing column 251 is stretched, so that the moving block 255 can drive the second connecting rod 254 to move outwards synchronously, and therefore the second connecting rod 254 can drive the locking column 253 to disengage from the locking groove 247 formed on the surface of the first connecting rod 246, and therefore the first connecting rod 246 is in a movable state, at this time, the rotating handle 244 is rotated manually, so that the rotating rod 242 can rotate synchronously, when the rotating rod 242 rotates, the driving gear 243 installed on the surface can rotate synchronously, and drive the driven gear 245 engaged with the surface to rotate, so that the first connecting rod 246 can drive the threaded rod 267 to rotate inside the threaded groove 2662 when rotating, so that the movable plate 2661 can move horizontally inside the mounting column 261, and the retractable plate 2665 can be driven to move synchronously by the movement of the movable plate 2661, in the process that the retractable plate 2665 moves horizontally, the second rotating column 2666 is connected with the buckling plate 265 to drive the buckling plate 265 to rotate inside the mounting column 261, so that the buckling plate 265 is changed from a horizontal state to a vertical state, and the buckling plate 265 can be separated from the surface of a pipeline, so that the purpose of dismounting the packer is achieved, otherwise, the packer can be quickly mounted, the time for dismounting the packer by an operator is effectively reduced, and the mounting stability can be ensured on the basis of quick mounting; through installing collar 31 on the surface of packer body 1 for guard plate 34 can cover the packing element part, and through the elastic action of third spring 35, makes the surface of protection component 3 integral erection at packer body 1 can not influence the normal compression of packer, also can ensure that the packing element does not receive the wearing and tearing of grit, has guaranteed the leakproofness of packing element.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. A compression type downhole operation packer comprises a packer body (1), and is characterized in that one end of the packer body (1) is movably provided with a mounting assembly (2), and the surface of the packer body (1) is movably provided with a protection assembly (3);
installation component (2) include first solid fixed ring (21), the side fixed mounting of first solid fixed ring (21) has the solid fixed ring of second (22), the side fixed mounting of the solid fixed ring of second (22) has sealing ring (23), the surface activity of first solid fixed ring (21) installs drive assembly (24), the surface activity of drive assembly (24) installs locking component (25), the surface activity of the solid fixed ring of second (22) installs fixed subassembly (26).
2. The compression type downhole packer of claim 1, wherein: drive assembly (24) include transmission case (241), the inside movable mounting of transmission case (241) has dwang (242), the one end fixed mounting of dwang (242) has driving gear (243), the other end fixed mounting of dwang (242) has rotation (244), the surface toothing of driving gear (243) has driven gear (245), the fixed surface of driven gear (245) installs head rod (246), locking groove (247) have been seted up on the surface of head rod (246).
3. The compression type downhole packer of claim 1, wherein: the locking assembly (25) comprises a fixed column (251), a mounting groove (252) is formed in the fixed column (251), a locking column (253) is movably mounted in the fixed column (251), a second connecting rod (254) is fixedly mounted on the surface of the locking column (253), a moving block (255) is fixedly mounted on the surface of the second connecting rod (254), a fixing rod (256) is fixedly mounted in the moving block (255), a first spring (257) is fixedly connected to one end of the fixing rod (256), one end of the first spring (257) is fixedly connected to the side face of the fixed column (251), and the other end of the first spring (257) is fixedly connected to the surface of the fixing rod (256).
4. The compression type downhole packer of claim 1, wherein: fixed subassembly (26) are including erection column (261), the inner wall fixed mounting of erection column (261) has the pole (262) of blockking, rotation groove (263) have been seted up to the inner wall of erection column (261), the inside movable mounting who rotates groove (263) has first rotation post (264), the fixed surface of first rotation post (264) installs buckle board (265), the bottom surface movable mounting of buckle board (265) has movable assembly (266), the movable assembly's (266) movable mounting has threaded rod (267).
5. The compression type downhole packer of claim 4, wherein: the movable assembly (266) comprises a movable plate (2661), a thread groove (2662) is formed in the surface of the movable plate (2661), an accommodating groove (2663) is formed in the top surface of the movable plate (2661), a second spring (2664) is fixedly connected to the inside of the accommodating groove (2663), a telescopic plate (2665) is fixedly connected to one end of the second spring (2664), the other end of the second spring (2664) is fixedly connected to the inside of the accommodating groove (2663), and a second rotating column (2666) is fixedly mounted inside the telescopic plate (2665).
6. The compression downhole operation packer of claim 1, wherein: protection component (3) are including collar (31), the fixed surface of collar (31) installs installation piece (32), the fixed surface of installation piece (32) installs movable rod (33), the movable surface of movable rod (33) installs guard plate (34), the fixed surface of guard plate (34) is connected with third spring (35).
7. The compression type downhole packer of claim 2, wherein: the bottom surface of transmission case (241) is connected with the fixed surface of first solid fixed ring (21), the one end fixed connection of one end and threaded rod (267) of first connecting rod (246), the inside and the surperficial swing joint of locking post (253) of locking groove (247).
8. The compression type downhole packer of claim 3, wherein: the bottom surface of the fixed column (251) is fixedly connected with the surface of the first fixing ring (21), the interior of the mounting groove (252) is movably connected with the surface of the first connecting rod (246), the surface of the second connecting rod (254) is movably connected with the interior of the fixed column (251), and the surface of the fixed rod (256) is movably connected with the side surface of the fixed column (251).
9. The compression type downhole packer of claim 5, wherein: the inner part of the thread groove (2662) is movably connected with the surface of the threaded rod (267), the bottom surface of the movable plate (2661) is movably connected with the bottom surface of the inner part of the mounting column (261), and the surface of the second rotating column (2666) is movably connected with the inner part of the clamping plate (265).
10. The compression downhole operation packer of claim 6, wherein: the inside of guard plate (34) and the surperficial swing joint of packer body (1), the inside and the surperficial fixed connection of packer body (1) of collar (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210851930.2A CN115030684A (en) | 2022-07-20 | 2022-07-20 | Compression type downhole operation packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210851930.2A CN115030684A (en) | 2022-07-20 | 2022-07-20 | Compression type downhole operation packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115030684A true CN115030684A (en) | 2022-09-09 |
Family
ID=83129465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210851930.2A Withdrawn CN115030684A (en) | 2022-07-20 | 2022-07-20 | Compression type downhole operation packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115030684A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108240A (en) * | 2023-09-27 | 2023-11-24 | 武汉齐达康能源装备有限公司 | Fracturing open flow device |
-
2022
- 2022-07-20 CN CN202210851930.2A patent/CN115030684A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108240A (en) * | 2023-09-27 | 2023-11-24 | 武汉齐达康能源装备有限公司 | Fracturing open flow device |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220909 |
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| WW01 | Invention patent application withdrawn after publication |