CN113982526A - Quick-assembly oil well water plugging packer with alignment mechanism - Google Patents
Quick-assembly oil well water plugging packer with alignment mechanism Download PDFInfo
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- CN113982526A CN113982526A CN202111302551.XA CN202111302551A CN113982526A CN 113982526 A CN113982526 A CN 113982526A CN 202111302551 A CN202111302551 A CN 202111302551A CN 113982526 A CN113982526 A CN 113982526A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 239000003129 oil well Substances 0.000 title claims abstract description 29
- 235000020681 well water Nutrition 0.000 title claims abstract description 17
- 230000006835 compression Effects 0.000 claims description 28
- 238000007906 compression Methods 0.000 claims description 28
- 238000003032 molecular docking Methods 0.000 claims description 28
- 210000001503 joint Anatomy 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 19
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 238000012856 packing Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/128—Packers; Plugs with a member expanded radially by axial pressure
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- 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
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
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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)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention relates to the field of packers. In particular to a quick-assembly oil well water plugging packer with an alignment mechanism. The invention aims to solve the technical problems that in the use process of the existing part of oil well packers, setting pins need to be sheared for packing, the setting pins need to be reinstalled for next use, and the use is complex; the existing part of oil well packers are inconvenient to butt when using an internal pushing mode to pack and separate, and a push rod needs to be replaced for many times; and the stability of the prior part of oil well packer slips after being fixed is poor. In order to solve the technical problem, the invention provides a quick-assembly oil well water plugging packer with an alignment mechanism, which comprises a lower fixing sleeve, wherein a lower pipe sleeve is fixedly connected inside the lower fixing sleeve. The pin sleeve is limited by the two clamping blocks respectively clamped in the clamping grooves formed in the two sides of the clamping sleeve when the clamping sleeve moves downwards, so that the pin is prevented from being cut off when the pin is used for setting, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of packers, in particular to a quick-assembly oil well water plugging packer with an alignment mechanism.
Background
In the later stage of oil field development, the water content of an oil well is higher and higher, the casing leakage phenomenon is more and more serious, and the application of a packer to block a high water-containing layer and a casing leakage section is an important means for reducing the water content of the oil well and improving the yield;
the prior patent (publication number: CN111395990A) discloses a packer comprising: a central tube; the central tube is sequentially provided with an upper joint, a backwashing mechanism, a rubber cylinder mechanism, an anchoring mechanism, a righting mechanism and a lower joint from top to bottom. The inventor finds that the following problems in the prior art are not solved in the process of realizing the scheme: 1. when the packer needs to be used for setting by shearing the setting pin to enable the rubber barrel to expand, a new pin needs to be installed again when the packer is used next time after the setting pin is sheared, the use is complex, and the working efficiency is reduced; 2. the packer is generally sealed in a pneumatic, hydraulic or internal pushing transmission mode, the existing partial internal pushing packer is inconvenient to be quickly butted with an internal structure in the using process, different push rods are required to be replaced to push for sealing for multiple times, the construction time is prolonged, and the oil well sealing progress is influenced; 3. the slips are pressed through the lower cone in the using process of the packer, the spread slips are deflected and fixed in contact with the pipe wall, only the upper portion of the slips is attached to the pipe wall at the moment, and the packer is poor in stability after being fixed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a quick-assembly oil well water plugging packer with an alignment mechanism, which solves the problems that in the use process of the existing part of oil well packer, a setting pin needs to be cut off for packing, the next use needs to be reinstalled, and the use is complex; the existing part of oil well packers are inconvenient to butt when using an internal pushing mode to pack and separate, and a push rod needs to be replaced for many times; and the stability of the prior part of oil well packer slips after being fixed is poor.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a quick-assembly oil well water plugging packer with an alignment mechanism comprises a lower fixing sleeve, wherein a lower pipe sleeve is fixedly connected inside the lower fixing sleeve, a lower taper sleeve is movably connected to the upper portion of the lower fixing sleeve, four slips are movably connected between the lower portion of the lower taper sleeve and the upper portion of the lower fixing sleeve at equal intervals, a rectangular groove is formed in the middle of each slip, a reset spring is fixedly connected inside the rectangular groove, and one end of each reset spring is fixedly connected to the side wall of the adjacent lower fixing sleeve;
the top fixedly connected with seal cover of taper sleeve down, the top fixedly connected with compression cover of seal cover, the top of compression cover articulates there is the extension spring, the top of extension spring articulates there is last fixed cover, the bilateral symmetry of going up fixed cover has seted up the slot, the inside swing joint of slot has the cutting ferrule, the draw-in groove has been seted up to the upper portion symmetry of cutting ferrule, the lower part of cutting ferrule and the upper portion swing joint of compression cover, swing joint has docking mechanism between the middle part of going up fixed cover and the lower pipe cover, swing joint has locking mechanism between docking mechanism's middle part and the inside of last fixed cover.
Further preferably, the docking mechanism comprises two sliding grooves, the two sliding grooves are symmetrically formed in the upper portion of the inner wall of the upper fixing sleeve, a docking sleeve is movably connected between the two sliding grooves, an inner thread groove is formed in the upper portion of the docking sleeve, the lower portion of the docking sleeve is connected to the upper portion of the compression sleeve in a lap joint mode, a connecting groove matched with the upper portion of the lower pipe sleeve is formed in the upper portion of the docking sleeve, and trapezoidal blocks matched with the locking mechanism are fixedly connected to the two sides of the lower portion of the docking sleeve in a symmetrical mode.
Further preferably, the inner wall of the upper fixing sleeve is positioned below the sliding groove and fixedly sleeved with a sealing ring matched with the butt joint sleeve, and the upper part of the butt joint sleeve is provided with a sealing groove matched with the sealing ring.
Further preferably, the top of the butting sleeve is a conical surface, the two sides of the upper portion of the butting sleeve are fixedly connected with sliding blocks, and the butting sleeve is connected inside the sliding groove in a sliding mode through the sliding blocks.
Preferably, the locking mechanism comprises two moving grooves, the two moving grooves are symmetrically formed in two sides of the inner portion of the upper fixing sleeve, the inner portions of the two moving grooves are respectively connected with a clamping block matched with the two clamping grooves in a sliding mode, a limiting groove is formed in the middle of the clamping block, a limiting block is movably connected into the limiting groove, the top of the limiting block is fixedly connected to the inner top surface of the adjacent moving groove, and a compression spring is fixedly connected between the inner wall of each limiting groove and the side wall of the adjacent limiting block;
and the bottom of the clamping block is fixedly connected with a brace matched with the butt joint mechanism.
Further preferably, one side of the fixture block is lapped on the surface of the butting mechanism, and the top and the bottom of the other side of the fixture block are both provided with inclined planes.
Preferably, the lower fixing sleeve and the lower taper sleeve are arranged on the opposite sides of the lower fixing sleeve to form inclined planes, a movable groove is formed in the surface of the lower taper sleeve, and the upper portion of the lower fixing sleeve is connected to the inside of the movable groove in a sliding mode.
Preferably, the upper portion of the compression sleeve is provided with a thread groove, and the lower portion of the clamping sleeve is in threaded connection with the inside of the thread groove.
(III) advantageous effects
The invention provides a quick-assembly oil well water plugging packer with an alignment mechanism, which has the following beneficial effects:
(1) the device uses through the cooperation of parts such as last fixed cover, fixture block and stopper, and when making the cutting ferrule move down, two fixture blocks of going up fixed cover bilateral symmetry swing joint inside the draw-in groove that the cutting ferrule both sides were seted up of joint respectively, carry on spacingly to the cutting ferrule, remove when the joint state can through promoting the brace, need cut off the processing to the pin when avoiding using the seat pin, convenient to use improves work efficiency.
(2) The device uses through the cooperation of parts such as butt joint cover, internal thread groove and lower tube cover, with push rod bottom threaded connection inside the internal thread groove of seting up on butt joint cover upper portion, make the push rod promote the butt joint cover and take the compression cover to move down and can carry out the shutoff to the pipeline, butt joint convenient and fast, and only need the push rod once to remove can realize sealing fast, reduce the engineering time for the oil well seals and separates the progress.
(3) The device uses through the cooperation of parts such as lower fixed cover, lower taper sleeve and reset spring, makes the compression cover move down the in-process and drive down the taper sleeve through the seal cover and move down, makes down the taper sleeve and fixes the cooperation with lower fixed cover and ejecting and support the whole lateral wall of slips and press on the pipe wall, makes slips and pipe wall area of contact bigger, and is fixed more stably.
Drawings
FIG. 1 is a front cross-sectional view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1 at B in accordance with the present invention;
FIG. 4 is a left side view of the slip position of the present invention;
figure 5 is a top cross-sectional view of the ferrule of the present invention.
In the figure: 1, arranging a fixed sleeve; 2, discharging a pipe sleeve; 3, setting a taper sleeve; 4, slips; 5, a rectangular groove; 6, a return spring; 7, sealing a sleeve; 8, compressing the sleeve; 9 a tension spring; 10, fixing a sleeve; 11 slot; 12, cutting sleeve; 13 card slots; 14 a docking mechanism; 1401 a chute; 1402 butting sleeves; 1403 internal thread groove; 1404 connecting the grooves; 1405 trapezoidal block; 15 a locking mechanism; 1501 moving the slot; 1502 a fixture block; 1503 limiting groove; 1504 a limiting block; 1505 compressing the spring; 1506 pull straps.
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. 1-5, the present invention provides a technical solution: the utility model provides a ready-package oil well water shutoff packer with counterpoint mechanism, includes fixed cover 1 down, pipe box 2 under the inside fixedly connected with of fixed cover 1 down, taper sleeve 3 under the upper portion swing joint of fixed cover 1 down, equidistant swing joint has four slips 4 between the lower part of lower taper sleeve 3 and the upper portion of fixed cover 1 down, rectangular channel 5 has been seted up at the middle part of slips 4, the inside fixedly connected with reset spring 6 of rectangular channel 5, reset spring 6's one end fixed connection is on the adjacent lateral wall of fixed cover 1 down.
Top fixedly connected with seal cover 7 of taper sleeve 3 down, the top fixedly connected with compression cover 8 of seal cover 7, the top of compression cover 8 articulates there is extension spring 9, the top of extension spring 9 articulates there is last fixed cover 10, slot 11 has been seted up to the bilateral symmetry of going up fixed cover 10, the inside swing joint of slot 11 has cutting ferrule 12, draw-in groove 13 has been seted up to the upper portion symmetry of cutting ferrule 12, the lower part of cutting ferrule 12 and the upper portion swing joint of compression cover 8, swing joint has docking mechanism 14 between the middle part of going up fixed cover 10 and lower pipe cover 2, swing joint has locking mechanism 15 between the middle part of docking mechanism 14 and the inside of last fixed cover 10. The seal sleeve 7 is made of a rubber material, and seals the pipe by deforming the rubber material.
In the invention, the docking mechanism 14 comprises two sliding chutes 1401, the two sliding chutes 1401 are symmetrically arranged on the upper part of the inner wall of the upper fixed sleeve 10, a docking sleeve 1402 is movably connected between the two sliding chutes 1401, the upper part of the docking sleeve 1402 is provided with an internal thread groove 1403, the lower part of the docking sleeve 1402 is lapped on the upper part of the compression sleeve 8, the upper part of the docking sleeve 1402 is provided with a connecting groove 1404 matched with the upper part of the lower pipe sleeve 2, and two sides of the lower part of the docking sleeve 1402 are symmetrically and fixedly connected with trapezoidal blocks 1405 matched with the locking mechanism 15. It should be noted that the internal thread groove 1403 formed in the upper portion of the docking sleeve 1402 is in threaded connection with a push rod of a pushing device outside an oil well, and the packer is sent into the pipe, two connection grooves 1404 are formed in the upper portion of the docking sleeve 1402, the two connection grooves 1404 are symmetrically formed in two sides of the upper portion of the docking sleeve 1402, and the upper portion of the lower pipe sleeve 2 is symmetrically and fixedly connected with connection blocks matched with the two connection grooves 1404, so that the connection blocks can slide on the surface of the lower pipe sleeve 2 through the connection grooves 1404 when the docking sleeve 1402 moves down.
In the invention, a sealing ring matched with the butt-joint sleeve 1402 is fixedly sleeved on the lower surface of the sliding chute 1401, and a sealing groove matched with the sealing ring is formed in the upper part of the butt-joint sleeve 1402. It should be noted that, after the packer is plugged, the sealing ring is clamped with the sealing groove in a matching manner to seal between the upper fixed sleeve 10 and the abutting sleeve 1402, so that the sealing performance of the packer is improved.
In the invention, the top of the docking sleeve 1402 is a conical surface, both sides of the upper part of the docking sleeve 1402 are fixedly connected with sliding blocks, and the docking sleeve 1402 is connected inside the sliding chute 1401 in a sliding manner through the sliding blocks.
In the invention, the locking mechanism 15 comprises two moving grooves 1501, the two moving grooves 1501 are symmetrically formed in two sides of the inner part of the upper fixing sleeve 10, the inner parts of the two moving grooves 1501 are respectively and slidably connected with clamping blocks 1502 matched with the two clamping grooves 13, the middle parts of the clamping blocks 1502 are provided with limiting grooves 1503, the inner parts of the limiting grooves 1503 are movably connected with limiting blocks 1504, the tops of the limiting blocks 1504 are fixedly connected to the inner top surfaces of the adjacent moving grooves 1501, and compression springs 1505 are fixedly connected between the inner walls of the limiting grooves 1503 and the side walls of the adjacent limiting blocks 1504.
A pull strip 1506 matched with the docking mechanism 14 is fixedly connected to the bottom of the latch 1502. It should be noted that the bottom of the bar 1506 is set to be an inclined plane, and the bottom of the bar 1506 is matched with the top of the trapezoid 1405, so that the trapezoid 1405 moves upward to drive the bar 1506 to move laterally.
In the present invention, one side of the latch 1502 is overlapped on the surface of the docking mechanism 14, and the top and the bottom of the other side of the latch 1502 are both inclined planes.
In the invention, the opposite sides of the lower fixed sleeve 1 and the lower taper sleeve 3 are both arranged into inclined planes, the surface of the lower taper sleeve 3 is provided with a movable groove, and the upper part of the lower fixed sleeve 1 is connected inside the movable groove in a sliding manner. It should be noted that the slip 4 is installed more stably by the sliding connection between the lower fixing sleeve 1 and the lower cone sleeve 3.
In the invention, the upper part of the compression sleeve 8 is provided with a thread groove, and the lower part of the cutting sleeve 12 is in threaded connection with the inside of the thread groove.
When in use, the bottom of the push rod is connected with the inner part of the internal thread groove 1403 arranged at the upper part of the butting sleeve 1402 by a thread, so that the push rod pushes the butting sleeve 1402 to drive the lapped compression sleeve 8 to move downwards, then the compression sleeve 8 drives the sealing sleeve 7 to move downwards with the lower taper sleeve 3, the lower taper sleeve 3 and the lower fixing sleeve 1 move relatively to eject the slip 4 out, the whole side wall of the slip 4 is ejected out and is pressed against the pipe wall, the contact area of the slip 4 and the pipe wall is larger, the fixation is more stable, the sealing sleeve 7 between the compression sleeve 8 and the lower taper sleeve 3 begins to deform along with the continuous downward movement of the compression sleeve 8, the pipeline can be plugged, the butting is convenient and quick, the quick plugging can be realized by only one-time movement of the push rod, the construction time is shortened, the plugging progress of the oil well is accelerated, and meanwhile, when the clamping sleeve 12 is driven by the compression sleeve 8 connected by the thread, the clamping groove 13 arranged on the clamping sleeve 12 moves downwards synchronously, after the clamping groove 13 moves to the position of the clamping block 1502, the two clamping blocks 1502 symmetrically and movably connected with two sides of the inner wall of the upper fixing sleeve 10 are respectively extruded by the two compression springs 1505, so that the two clamping blocks 1502 are clamped inside the clamping groove 13 arranged on two sides of the clamping sleeve 12, the clamping sleeve 12 is limited, the pin needs to be sheared when a setting pin is used, the use is convenient, the work efficiency is improved, when a packer needs to be taken out, the butt joint sleeve 1402 is driven to ascend through a screw rod, the butt joint sleeve 1402 is released from pressing against the compression sleeve 8 at the moment, the slip 4 is restored through the elastic restoration of the reset spring 6, the sealing sleeve 7 also carries out elastic restoration, then the trapezoid 1405-shaped block fixedly connected with two sides of the lower part of the butt joint sleeve 1402 ascends and presses against the two matched brace 1506 to move relatively, the brace 1506 drives the fixedly connected clamping block 1502 to move, the clamping sleeve 1502 is released from clamping of the clamping block 1502, and finally, the tension spring 9 pulls the compression sleeve 8 to reset, so that the operation is convenient and fast, and the practicability is high.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 ready-package oil well water shutoff packer with counterpoint mechanism, includes fixed cover (1) down, its characterized in that: the inner part of the lower fixing sleeve (1) is fixedly connected with a lower pipe sleeve (2), the upper part of the lower fixing sleeve (1) is movably connected with a lower taper sleeve (3), four slips (4) are movably connected between the lower part of the lower taper sleeve (3) and the upper part of the lower fixing sleeve (1) at equal intervals, the middle parts of the slips (4) are provided with rectangular grooves (5), the inner part of each rectangular groove (5) is fixedly connected with a reset spring (6), and one end of each reset spring (6) is fixedly connected to the side wall of the adjacent lower fixing sleeve (1);
the utility model discloses a taper sleeve's structure, including taper sleeve (3) down, top fixedly connected with seal cover (7), the top fixedly connected with compression cover (8) of seal cover (7), the top of compression cover (8) articulates there is extension spring (9), the top of extension spring (9) articulates there is last fixed cover (10), slot (11) have been seted up to the bilateral symmetry of going up fixed cover (10), the inside swing joint of slot (11) has cutting ferrule (12), draw-in groove (13) have been seted up to the upper portion symmetry of cutting ferrule (12), the lower part of cutting ferrule (12) and the upper portion swing joint of compression cover (8), swing joint has docking mechanism (14) between the middle part of going up fixed cover (10) and lower pipe box (2), swing joint has locking mechanism (15) between the middle part of docking mechanism (14) and the inside of last fixed cover (10).
2. The quick-assembly oil well water shutoff packer with the alignment mechanism as claimed in claim 1, wherein: the butt joint mechanism (14) comprises two sliding grooves (1401), the two sliding grooves (1401) are symmetrically formed in the upper portion of the inner wall of the upper fixing sleeve (10), a butt joint sleeve (1402) is movably connected between the two sliding grooves (1401), an inner thread groove (1403) is formed in the upper portion of the butt joint sleeve (1402), the lower portion of the butt joint sleeve (1402) is overlapped on the upper portion of the compression sleeve (8), a connecting groove (1404) matched with the upper portion of the lower pipe sleeve (2) is formed in the upper portion of the butt joint sleeve (1402), and trapezoidal blocks (1405) matched with the locking mechanism (15) are symmetrically and fixedly connected to the two sides of the lower portion of the butt joint sleeve (1402).
3. The quick-assembly oil well water shutoff packer with the alignment mechanism as claimed in claim 2, wherein: the inner wall of the upper fixing sleeve (10) is positioned below the sliding groove (1401) and is fixedly sleeved with a sealing ring matched with the butt joint sleeve (1402), and the upper part of the butt joint sleeve (1402) is provided with a sealing groove matched with the sealing ring.
4. The quick-assembly oil well water shutoff packer with the alignment mechanism as claimed in claim 2, wherein: the top of the butting sleeve (1402) is a conical surface, sliding blocks are fixedly connected to two sides of the upper portion of the butting sleeve (1402), and the butting sleeve (1402) is connected to the inside of the sliding groove (1401) in a sliding mode through the sliding blocks.
5. The quick-assembly oil well water shutoff packer with the alignment mechanism as claimed in claim 1, wherein: the locking mechanism (15) comprises two moving grooves (1501), the two moving grooves (1501) are symmetrically formed in two sides of the inner portion of the upper fixing sleeve (10), clamping blocks (1502) matched with the two clamping grooves (13) are respectively connected to the inner portions of the two moving grooves (1501) in a sliding mode, a limiting groove (1503) is formed in the middle of each clamping block (1502), a limiting block (1504) is movably connected to the inner portion of each limiting groove (1503), the top of each limiting block (1504) is fixedly connected to the inner top face of the corresponding adjacent moving groove (1501), and a compression spring (1505) is fixedly connected between the inner wall of each limiting groove (1503) and the side wall of the corresponding adjacent limiting block (1504);
the bottom of the clamping block (1502) is fixedly connected with a pulling strip (1506) matched with the butt joint mechanism (14).
6. The quick-assembly oil well water shutoff packer with the alignment mechanism as claimed in claim 5, wherein: one side of the clamping block (1502) is lapped on the surface of the butting mechanism (14), and the top and the bottom of the other side of the clamping block (1502) are both provided with inclined planes.
7. The quick-assembly oil well water shutoff packer with the alignment mechanism as claimed in claim 1, wherein: the lower fixing sleeve (1) and the opposite side of the lower taper sleeve (3) are both inclined planes, a movable groove is formed in the surface of the lower taper sleeve (3), and the upper portion of the lower fixing sleeve (1) is connected to the inside of the movable groove in a sliding mode.
8. The quick-assembly oil well water shutoff packer with the alignment mechanism as claimed in claim 1, wherein: the upper portion of the compression sleeve (8) is provided with a thread groove, and the lower portion of the clamping sleeve (12) is in threaded connection with the inside of the thread groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111302551.XA CN113982526B (en) | 2021-11-04 | 2021-11-04 | Quick-assembly oil well water shutoff packer with aligning mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111302551.XA CN113982526B (en) | 2021-11-04 | 2021-11-04 | Quick-assembly oil well water shutoff packer with aligning mechanism |
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| Publication Number | Publication Date |
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| CN113982526A true CN113982526A (en) | 2022-01-28 |
| CN113982526B CN113982526B (en) | 2024-07-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116291301A (en) * | 2023-03-27 | 2023-06-23 | 江苏腾龙石化机械有限公司 | Spiral expansion type casing external packer |
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2021
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| CN104884732A (en) * | 2012-09-13 | 2015-09-02 | 韦特柯格雷公司 | Energizing ring divot back-out lock |
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|---|---|---|---|---|
| CN116291301A (en) * | 2023-03-27 | 2023-06-23 | 江苏腾龙石化机械有限公司 | Spiral expansion type casing external packer |
| CN116291301B (en) * | 2023-03-27 | 2023-12-26 | 江苏腾龙石化机械有限公司 | Spiral expansion type casing external packer |
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| CN113982526B (en) | 2024-07-05 |
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Effective date of registration: 20240611 Address after: 257000 East End of Zhongxing Road, Kenli District, Dongying City, Shandong Province Applicant after: DONGYING KENLI PETROLEUM MACHINERY Co.,Ltd. Country or region after: China Address before: 510000 4th floor, building e, No. 41, Huanjiao Yiheng Road, Shijing street, Baiyun District, Guangzhou, Guangdong Applicant before: Wang Yunbiao Country or region before: China |
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