CN110107267B - injection allocation device convenient for replacing water nozzle in blanking plug - Google Patents
injection allocation device convenient for replacing water nozzle in blanking plug Download PDFInfo
- Publication number
- CN110107267B CN110107267B CN201910454997.0A CN201910454997A CN110107267B CN 110107267 B CN110107267 B CN 110107267B CN 201910454997 A CN201910454997 A CN 201910454997A CN 110107267 B CN110107267 B CN 110107267B
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- fishing
- clamping
- connection
- blanking plug
- cylinder
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- 238000002347 injection Methods 0.000 title claims abstract description 23
- 239000007924 injection Substances 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 20
- 210000004907 gland Anatomy 0.000 claims description 10
- 238000009434 installation Methods 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste 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
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/18—Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
Landscapes
- 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)
- Marine Sciences & Fisheries (AREA)
Abstract
The invention relates to the technical field of oil field exploitation machinery, and discloses injection allocation devices convenient for replacing a water nozzle in a blanking plug, which comprise an upper connector, wherein the top of the upper connector is in threaded connection with an upper outer cylinder, the bottom of the upper outer cylinder is in threaded connection with a sealing body, the top of the sealing body is clamped with the blanking plug, the outer wall of the sealing body is provided with a liquid outlet hole positioned on the side of the blanking plug , the bottom of the sealing body is in threaded connection with a lower outer cylinder, and a filter pipe is clamped in the lower outer cylinder.
Description
Technical Field
The invention relates to the technical field of oilfield exploitation machinery, in particular to injection allocation devices convenient for replacing a water nozzle in a blanking plug.
Background
With the continuous development of oil fields, in the middle and later periods, the stratum energy is continuously reduced, the interlayer contradiction becomes the primary factor restricting the crude oil development, water injection is the main means for supplementing the stratum pressure, stratified water injection is an important way for reducing the interlayer contradiction, the eccentric water injection pipe column has the advantages of realizing multi-level stratification, good stratification effect, convenient single-layer allocation and the like, and the most important accessories in the eccentric water injection pipe column are the eccentric injection allocation device.
The water injection quantity is adjusted to current eccentric injection allocation ware needs often to be changed the water injection well choke and is adjusted, change the water injection well choke at every turn and all waste a large amount of time and energy, and the success rate of throwing and dragging for the blanking plug is very low, it is more troublesome to change the water injection well choke, the main factor includes that the blanking plug soaks in water for a long time, the inside scale deposit of blanking plug, thereby lead to the cam to be out of order, the blanking plug is difficult to fish out from the eccentric orfice, and because umbrella-shaped step undersize or fracture on the fishing pole leads to fisher blanking plug to break away from, these factors all influence the success rate of fishing, consequently need kinds of injection allocation ware that can.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides injection allocation devices which are convenient for replacing a water nozzle in a blanking plug, and solves the problems in the background art.
The invention provides an injection allocation device convenient for replacing a water nozzle in a blanking plug, which comprises an upper connector, wherein the top of the upper connector is in threaded connection with an upper outer cylinder, the bottom of the upper outer cylinder is in threaded connection with a sealing body, the top of the sealing body is clamped with the blanking plug, the outer wall of the sealing body is provided with a liquid outlet hole positioned on the side of the blanking plug , the bottom of the sealing body is in threaded connection with a lower outer cylinder, a filter pipe is clamped in the lower outer cylinder, the bottom of the lower outer cylinder is in threaded connection with a lower connector, the top of the lower connector is clamped with the bottom of the filter pipe, the inner wall of the upper outer cylinder is provided with a spiral sliding block, the bottom of the spiral sliding block is positioned right above the blanking plug, the blanking plug comprises a gland, the bottom of the gland is in threaded connection with a connecting cylinder, the sealing gasket and the inside of the connecting cylinder are movably sleeved with a fishing mechanism, the outside of the fishing mechanism is movably sleeved with a return spring positioned in the gland, a end of the fishing mechanism extending to the connecting cylinder is fixedly provided with a positioning device, the outside of the connecting cylinder is clamped with four symmetrically distributed sealing gaskets, the bottom of the connecting.
Preferably, the fishing mechanism includes the fixing base, the bottom fixed mounting of fixing base has positioner, the top fixed mounting of fixing base has the guide bar, reset spring has been cup jointed in the outside activity of guide bar, the top fixed mounting of guide bar has the installation pole, the top fixed mounting of installation pole has the fixed head of salvaging, and the outside activity of installation pole has cup jointed latch device.
Preferably, the clamping device comprises a clamping block, the inside of the clamping block is movably sleeved with the installation rod, four supporting bases which are symmetrical to each other are arranged outside the installation rod, the supporting bases are connected with supporting rods in a rotating mode outside the supporting bases, and the supporting rods are clamped inside the clamping block.
Preferably, positioner includes the connecting plate, the both sides of connecting plate are all rotated and are connected with the clamping jaw, two the clamping jaw is mutual symmetry, and the equal fixed mounting in faces relative of two clamping jaws has the stopper, two fixedly connected with supporting spring between the clamping jaw.
Preferably, two mutually symmetrical waist type holes are seted up to the outside of connecting cylinder, and the inside joint in two waist type holes has positioner, and the bottom of two waist type hole inner chambers is provided with the baffle, and the side contact of baffle has the stopper.
The invention has the following beneficial effects:
1. this injection allocation ware convenient to change water injection well choke in blanking plug, through mutually supporting of fishing mechanism and positioner for when fishing rod will fish the mechanism and upwards stimulate, fixing base pulling connecting plate rebound, the clamping jaw begins to enter into the outside hole of fixing base this moment, thereby produces the extrusion to two clamping jaws, makes two clamping jaws draw in, can fish the blanking plug out from the eccentric orfice this moment, has improved the success rate of salvaging.
2. This injection allocation ware convenient to change water injection well choke in blanking plug, through mutually supporting of joint piece and bracing piece, when fishing rod pulling joint piece rebound, the joint piece will drive the bracing piece and upwards rotate this moment, then the bracing piece extends the outside of joint piece, extrudees the inside of fishing rod through the bracing piece to stability when salvaging has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention with an internal cut-away configuration;
FIG. 3 is a cross-sectional view of the obturator of the present invention;
FIG. 4 is a schematic view of the construction of the plug of the present invention;
FIG. 5 is a schematic structural view of the fishing mechanism of the present invention;
FIG. 6 is a schematic view of a latch according to the present invention;
FIG. 7 is a schematic view of a positioning device according to the present invention.
In the figure: 1. an upper joint; 2. an upper outer cylinder; 3. a seal body; 4. a blanking plug; 41. a gland; 42. a connecting cylinder; 43. a salvaging mechanism; 431. a fixed seat; 432. a guide bar; 433. mounting a rod; 434. fixing the fishing head; 435. a clamping device; 4351. a clamping block; 4352. a support base; 4353. a support bar; 44. a return spring; 45. a positioning device; 451. a connecting plate; 452. a clamping jaw; 453. a limiting block; 454. a support spring; 46. a seal ring; 47. sealing gaskets; 48. a water nozzle; 49. a filter housing; 5. a liquid outlet hole; 6. a lower outer cylinder; 7. a filter tube; 8. and a lower joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.
Referring to fig. 1-7, injection allocation device convenient for replacing a water nozzle in a blanking plug comprises an upper connector 1, wherein the top of the upper connector 1 is in threaded connection with an upper outer barrel 2, the bottom of the upper outer barrel 2 is in threaded connection with a sealing body 3, the top of the sealing body 3 is in clamping connection with a blanking plug 4, the outer wall of the sealing body 3 is provided with a liquid outlet 5 located on the side of a blanking plug 4 , the bottom of the sealing body 3 is in threaded connection with a lower outer barrel 6, a filter tube 7 is clamped in the lower outer barrel 6, the bottom of the lower outer barrel 6 is in threaded connection with a lower connector 8, and the top of the lower connector 8 is clamped.
The inner wall of the upper outer barrel 2 is provided with a spiral sliding block, and the bottom of the spiral sliding block is positioned right above the plug 4, so that the fishing tool is conveniently guided to the position right above the plug 4, and the fishing success rate is improved;
the blanking plug 4 comprises a gland 41, the bottom of the gland 41 is in threaded connection with a connecting cylinder 42, the insides of the gland 41 and the connecting cylinder 42 are movably sleeved with a fishing mechanism 43, the outside of the fishing mechanism 43 is movably sleeved with a return spring 44 positioned inside the gland 41, ends of the fishing mechanism 43 extending to the inside of the connecting cylinder 42 are fixedly provided with a positioning device 45, the outside of the connecting cylinder 42 is clamped with four symmetrically distributed sealing rings 46, the bottom of the connecting cylinder 42 is in contact with a sealing gasket 47, the bottom of the connecting cylinder 42 is movably sleeved with a water nozzle 48 positioned at the bottom of the sealing gasket 47, and the bottom of the connecting cylinder 42 is in threaded connection with a filter cover 49;
the fishing mechanism 43 comprises a fixed seat 431, a positioning device 45 is fixedly mounted at the bottom of the fixed seat 431, a guide rod 432 is fixedly mounted at the top of the fixed seat 431, a return spring 44 is movably sleeved outside the guide rod 432, a mounting rod 433 is fixedly mounted at the top of the guide rod 432, a fixed fishing head 434 is fixedly mounted at the top of the mounting rod 433, and a clamping device 435 is movably sleeved outside the mounting rod 433;
the clamping device 435 comprises a clamping block 4351, the inner part of the clamping block 4351 is movably sleeved with the mounting rod 433, four mutually symmetrical supporting bases 4352 are arranged outside the mounting rod 433, supporting rods 4353 are rotatably connected to the outer parts of the four supporting bases 4352, the clamping block 4351 moves upwards and drives the supporting rods 4353, so that the supporting rods 4353 rotate to be parallel to the horizontal plane, the end parts of the supporting rods 4353 are positioned outside the clamping block 4351, the inner wall of the fishing rod is conveniently extruded, the fishing stability of the device is improved, and the supporting rods 4353 are clamped inside the clamping block 4351;
the positioning device 45 comprises a connecting plate 451, clamping jaws 452 are rotatably connected to two sides of the connecting plate 451, the two clamping jaws 452 are symmetrical to each other, limiting blocks 453 are fixedly mounted on opposite surfaces of the two clamping jaws 452, a supporting spring 454 is fixedly connected between the two clamping jaws 452, external forces are applied to the connecting plate 451 by the fixing base 431 during fishing, the positioning device 45 moves upwards, when the clamping jaws 452 enter rectangular holes in the outer portion of the fixing base 431, the two clamping jaws 452 are folded and separated from the eccentric holes, the blanking plug 4 can be conveniently fished, and water nozzle replacement is more convenient;
wherein, the waist type hole of two mutual symmetries is seted up to the outside of connecting cylinder 42, and the inside joint in two waist type holes has positioner 45, and the bottom of two waist type hole inner chambers is provided with the baffle, and the side contact of baffle has stopper 453, and stopper 453 and baffle contact when clamping jaw 452 resets, are convenient for carry on spacingly to clamping jaw 452, prevent that the open angle of clamping jaw 452 is too big, lead to in the stopper 4 can't enter into the eccentric orfice.
During operation, firstly, the fisher moves to the position right above the blanking plug 4 along with the spiral sliding block in the upper outer cylinder 2, then the fishing rod is clamped with the fishing mechanism 43, the fishing rod drives the supporting rod 4353 while moving the clamping block 4351 upwards to enable the supporting rod 4353 to rotate to be parallel to the horizontal plane, at the moment, the end portion of the supporting rod 4353 is located outside the clamping block 4351 to squeeze the inner wall of the fishing rod conveniently, stability during fishing of the fishing device is improved, external forces are applied to the connecting plate 451 by the fixing seat 431 during fishing to enable the positioning device 45 to move upwards, when the clamping jaws 452 enter the rectangular hole in the outside of the fixing seat 431, the two clamping jaws 452 begin to close to be separated from the eccentric hole, the blanking plug 4 is convenient to fish, and water nozzle replacement is convenient.
It is noted that, herein, relational terms such as , second, and the like are used solely to distinguish entities or operations from another entities or operations without necessarily requiring or implying any actual such relationship or order between such entities or operations, further, the terms "comprise," "include," or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a series 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 (1)
- The injection allocation device convenient for replacing the water nozzle in the blanking plug comprises an upper connector (1) and is characterized in that the top of the upper connector (1) is in threaded connection with an upper outer cylinder (2), the bottom of the upper outer cylinder (2) is in threaded connection with a sealing body (3), the top of the sealing body (3) is in clamping connection with a blanking plug (4), the outer wall of the sealing body (3) is provided with a liquid outlet hole (5) located on the side of the blanking plug (4), the bottom of the sealing body (3) is in threaded connection with a lower outer cylinder (6), a filter pipe (7) is in clamping connection with the inside of the lower outer cylinder (6), the bottom of the lower outer cylinder (6) is in threaded connection with a lower connector (8), the top of the lower connector (8) is in clamping connection with the bottom of the filter pipe (7), the inner wall of the upper outer cylinder (2) is provided with a spiral sliding block, the bottom of the spiral sliding block is located right above the blanking plug (4), the blanking plug (4) comprises a gland (41), the bottom of the gland (41) is in threaded connection with a threaded connection cylinder (42), the bottom of a movable sealing gasket (43) sleeved connection mechanism, the fishing connection cylinder (42) is symmetrically connected with a fishing connection mechanism (42), the fishing connection cylinder (42), the fishing connection mechanism (42) with four fishing connection mechanism (42), the fishing connection cylinder (42), the fishing connection mechanism, the fishing connection cylinder (42) with a fishing connection mechanism, the;the fishing mechanism (43) comprises a fixed seat (431), a positioning device (45) is fixedly mounted at the bottom of the fixed seat (431), a guide rod (432) is fixedly mounted at the top of the fixed seat (431), a reset spring (44) is movably sleeved outside the guide rod (432), a mounting rod (433) is fixedly mounted at the top of the guide rod (432), a fixed fishing head (434) is fixedly mounted at the top of the mounting rod (433), and a clamping device (435) is movably sleeved outside the mounting rod (433);the clamping device (435) comprises a clamping block (4351), the inner part of the clamping block (4351) is movably sleeved with the mounting rod (433), four symmetrical supporting bases (4352) are arranged outside the mounting rod (433), supporting rods (4353) are rotatably connected to the outer parts of the four supporting bases (4352), and the supporting rods (4353) are clamped inside the clamping block (4351);the positioning device (45) comprises a connecting plate (451), clamping jaws (452) are rotatably connected to two sides of the connecting plate (451), the two clamping jaws (452) are symmetrical to each other, limiting blocks (453) are fixedly mounted on opposite surfaces of the two clamping jaws (452), and a supporting spring (454) is fixedly connected between the two clamping jaws (452);two waist type holes of mutual symmetry are seted up to the outside of connecting cylinder (42), and the inside joint in two waist type holes has positioner (45), and the bottom of two waist type hole inner chambers is provided with the baffle, and the side contact of baffle has stopper (453).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910454997.0A CN110107267B (en) | 2019-05-29 | 2019-05-29 | injection allocation device convenient for replacing water nozzle in blanking plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910454997.0A CN110107267B (en) | 2019-05-29 | 2019-05-29 | injection allocation device convenient for replacing water nozzle in blanking plug |
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| Publication Number | Publication Date |
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| CN110107267A CN110107267A (en) | 2019-08-09 |
| CN110107267B true CN110107267B (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910454997.0A Active CN110107267B (en) | 2019-05-29 | 2019-05-29 | injection allocation device convenient for replacing water nozzle in blanking plug |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671070B (en) * | 2019-09-18 | 2024-05-17 | 山东鼎盛精工股份有限公司 | Continuous wave pulser capable of being salvaged |
| CN110863790B (en) * | 2019-11-06 | 2022-03-01 | 大庆油田有限责任公司 | For CO2Special adjusting reset head for mechanical adjustable injection allocation device of separate injection well |
| CN111852427B (en) * | 2020-07-30 | 2021-05-11 | 大庆市天德忠石油科技有限公司 | Fracturing backflow pressure relief device |
| CN113216914A (en) * | 2021-06-09 | 2021-08-06 | 门万龙 | Layered injection allocation device |
| CN113153250B (en) * | 2021-06-11 | 2021-11-19 | 盐城瑞德石化机械有限公司 | Stable type underground injection allocation device with limiting mechanism |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536181A (en) * | 2012-02-10 | 2012-07-04 | 哈尔滨工业大学 | Adjustable eccentric injection allocation device for polymer injection well |
| CN205297505U (en) * | 2015-12-19 | 2016-06-08 | 中国石油天然气股份有限公司 | Concentric profile control water distribution injection allocation device of bridge type |
| CN107366510A (en) * | 2016-05-11 | 2017-11-21 | 克拉玛依胜利高原机械有限公司 | A kind of down-hole plugging device and actuating oil-pumping unit with pressure, the workover treatment technology of oil pipe |
| CN208702372U (en) * | 2018-08-21 | 2019-04-05 | 中国石油天然气股份有限公司 | Multifunctional protection type blanking plug |
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| CN110107267A (en) | 2019-08-09 |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yubo Inventor after: Chang Jiang Inventor after: Wu Jie Inventor before: Chang Jiang Inventor before: Zhang Yubo Inventor before: Wu Jie |
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Effective date of registration: 20200102 Address after: 163000 No. 99, Xuefu street, hi tech Industrial Development Zone, Heilongjiang, Daqing Applicant after: Northeast Petroleum University Address before: 163000 office building 11, E area 1, Olin, Residence Internazionale, Daqing, Heilongjiang. Applicant before: Daqing Huayou Oil Technology Development Co., Ltd. |
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