CN109505555A - A kind of well blanking plug - Google Patents
A kind of well blanking plug Download PDFInfo
- Publication number
- CN109505555A CN109505555A CN201811384659.6A CN201811384659A CN109505555A CN 109505555 A CN109505555 A CN 109505555A CN 201811384659 A CN201811384659 A CN 201811384659A CN 109505555 A CN109505555 A CN 109505555A
- Authority
- CN
- China
- Prior art keywords
- blanking plug
- slips
- main body
- cone
- plug main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012856 packing Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000003116 impacting effect Effects 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 239000003921 oil Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- -1 on the other hand Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
- E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
-
- 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
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
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)
Abstract
The present invention relates to blanking plug technical fields, in particular a kind of well blanking plug, including blanking plug main body, the blanking plug main body is provided with impacting tube close to one end of fishing joint, lock ring outer cylinder is provided on the right side of the impacting tube, the lock ring outer cylinder is provided with packing element, the inner wall of the blanking plug main body, which is located on the right side of upper packing element, is provided with upper cone, the upper right side of the central tube is provided with upper slips, the lower right side of the upper slips is provided with lower slips, lower rubber cylinder is provided on the right side of the lower slips, the lower rubber cylinder is provided with lower rubber cylinder set, lower cone is provided on the right side of the lower rubber cylinder, blockage mechanism is provided on the right side of the lower cone, it is able to use steel wire by fishing joint blanking plug main body launch and can be salvaged, by blanking plug main body by oil pipe blocking, water flooding will not be sprayed from oil pipe, greatly mention High work operations efficiency, are not only saved the activity duration, but also saved cost, economic benefit is also considerable.
Description
Technical field
The present invention relates to blanking plug technical field, specially a kind of well blanking plug.
Background technique
It is serious to dispense the leakage of well casing column, a part is tool leakage to be dispensed due to underground, and most of is since oil pipe leaks
It loses, actually or the but specific foundation of dispensing tool leakage oil pipe leakage shortage.When especially having dispensed well, once dispensing pipe
Column is missed, and makes engineers and technicians extremely intractable, if judging improper to tubing string leakage position, not only substantially reduces tubing string
It goes into the well success rate, and workover cost and tool cost is made to be multiplied.In the past due to people to the trust of tubing seal and
To prejudice existing for dispensing tool, once tubing pressure is not able to maintain stabilization when setting, mistake is often thought it must is point
Note tool leakage, the result is that many times replacement dispense tool, each to be bored under crude oil pipe, tubing string leakage but still deposit
?.Therefore, accurate judgement separate injection tubing string misses reason, goes into the well success rate and to save operating cost extremely heavy to separate injection tubing string is improved
It wants, on the other hand, injection pressure is generally higher, if well head leakage or damage, generally require and first put in the injecting process
It repairs or updates after spray, on the other hand, injection pressure is generally higher, if well head leakage or damage in the injecting process,
It repairs or updates after generally requiring first open flow.
Therefore a kind of well is needed to make improvement to the above problem with blanking plug.
Summary of the invention
The purpose of the present invention is to provide a kind of well blanking plugs, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
The top of a kind of well blanking plug, including blanking plug main body, the blanking plug main body is provided with fishing joint
Downside, which is provided with, slides part, and described slide is provided with closing piece axis on the downside of part, be provided with lock nut on the downside of the closing piece axis, described
It is provided with closing piece body on the downside of lock nut, plug shell is provided on the downside of the closing piece body, the inner wall of the blanking plug main body is solid
Surely it is provided with connecting rod, the connecting rod is connect by sitting bayonet lock nail with blanking plug main body, and the closing piece body passes through closing piece and company
Extension bar connection, the bottom end of the connecting rod are provided with plug, and the blanking plug main body is provided with close to one end of fishing joint hits
Hit cylinder, be provided with lock ring outer cylinder on the right side of the impacting tube, the lock ring outer cylinder is provided with packing element, the upper packing element it is outer
Side is provided with packing element protective case, and the inner wall of the blanking plug main body, which is located on the right side of upper packing element, is provided with upper cone, described stifled
It is provided with central tube at the center for the downside that plug device main body is located at upper cone, the upper right side of the central tube is provided with upper slips,
The upper slips are provided with upper slips sliding sleeve, and the lower right side of the upper slips is provided with lower slips, and the lower slips are provided with down
Slip sleeve is provided with lower rubber cylinder on the right side of the lower slips, and the lower rubber cylinder is provided with lower rubber cylinder set, the right side of the lower rubber cylinder
It is provided with lower cone, blockage mechanism, the upper slips and lower slips are provided on the right side of the lower cone and are connected by the way that hoop is fixed
It connects.
Preferably, the lock ring outer cylinder is connect by connector sleeve with upper cone, and lower cone passes through connector sleeve and blockage mechanism
Connection.
Preferably, the upper packing element and lower rubber cylinder are in lay to dress formula structure.
Preferably, the upper packing element and lower rubber cylinder Single port are interior cone mouth, and upper cone and lower cone one end are inserted into gluing
Cylinder in the interior cone mouth of lower rubber cylinder.
Preferably, be additionally provided with retaining ring seat on the fishing joint inner wall, snap ring be installed in retaining ring seat, connecting rod it is outer
Card slot is provided on wall, the retaining ring seat in fishing joint is located at the top of the card slot of connecting rod.
Preferably, the blockage mechanism is provided with plug fixed cylinder, and blockage mechanism is connect by plug fixed cylinder with plug.
Preferably, it is laid by hoop connection in dress formula structure between the upper slips and lower slips.
Preferably, the inner space of the lock ring outer cylinder is provided with click-on mechanism, and click-on mechanism is provided with lock claw set.
Compared with prior art, the beneficial effects of the present invention are:
1, in the present invention, steel wire is able to use by the fishing joint of setting, blanking plug main body launch and can be salvaged,
By blanking plug main body by oil pipe blocking, water flooding will not spray from oil pipe, greatly improve work operations efficiency, both save
Activity duration, and cost has been saved, economic benefit is also considerable, also being capable of accurate judgement separate injection tubing string by blanking plug main body
Miss reason, to improve separate injection tubing string go into the well success rate and save operating cost it is of crucial importance.
Detailed description of the invention
Fig. 1 is the whole main view of the present invention；
Fig. 2 is part-structure figure of the present invention；
Fig. 3 is part-structure figure of the present invention；
Fig. 4 is part-structure figure of the present invention.
In figure: 1- blanking plug main body, 2- fishing joint, 3- slide part, 4- closing piece axis, 5- lock nut, 6- closing piece body, 7- plug
Shell, 8- connecting rod, 9- sit bayonet lock nail, 10- closing piece, 11- plug, 12- impacting tube, 13- lock ring outer cylinder, the upper packing element of 14-, 15-
Upper packing element protective case, 16- upper cone, 17- central tube, 18- upper slips, 19- upper slips sliding sleeve, 20- lower slips, 21- lower slips
Set, 22- lower rubber cylinder, 23- lower rubber cylinder set, 24- lower cone, 25- blockage mechanism, 26- hoop.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution:
A kind of well blanking plug, including blanking plug main body 1, the top of blanking plug main body 1 are provided under fishing joint 2
Side, which is provided with, slides part 3, and the downside for sliding part 3 is provided with closing piece axis 4, and the downside of closing piece axis 4 is provided with lock nut 5, under lock nut 5
Side is provided with closing piece body 6, and the downside of closing piece body 6 is provided with plug shell 7, and the inner wall of blanking plug main body 1 is fixedly installed connection
Bar 8, connecting rod 8 are connect by sitting bayonet lock nail 9 with blanking plug main body 1, and closing piece body 6 is connect by closing piece 10 with connecting rod 8, is connected
The bottom end of bar 8 is provided with plug 11, and blanking plug main body 1 is provided with impacting tube 12 close to one end of fishing joint 2, impacting tube 12
Right side is provided with lock ring outer cylinder 13, and the right side of lock ring outer cylinder 13 is provided with packing element 14, and the outside of upper packing element 14 is provided with gluing
Cylinder protective case 15, the right side that the inner wall of blanking plug main body 1 is located at upper packing element 14 are provided with upper cone 16, and blanking plug main body 1 is located at
Central tube 17 is provided at the center of the downside of upper cone 16, the upper right side of central tube 17 is provided with upper slips 18, upper slips 18
It is provided with upper slips sliding sleeve 19, the lower right side of upper slips 18 is provided with lower slips 20, and lower slips 20 are provided with lower slips set 21, under
The right side of slips 20 is provided with lower rubber cylinder 22, and lower rubber cylinder 22 is provided with lower rubber cylinder set 23, and the right side of lower rubber cylinder 22 is provided with lower cone
Body 24, the right side of lower cone 24 are provided with blockage mechanism 25, and upper slips 18 are fixedly connected by hoop 26 with lower slips 20, are passed through
The fishing joint 2 of setting is able to use steel wire and launch by blanking plug main body 1 and can salvage, by blanking plug main body 1 by oil pipe
Blocking, water flooding will not spray from oil pipe, greatly improve work operations efficiency, not only save the activity duration, but saved at
This, economic benefit is also considerable, by blanking plug main body 1 also can accurate judgement separate injection tubing string miss reason, to improve point
Note tubing string go into the well success rate and save operating cost it is of crucial importance.
Workflow of the present invention: in use, connecting steel wire by fishing joint 2,1 tripping in of blanking plug main body is reached predetermined
Position, by above mentioning steel wire, lower slips 20 are influenced to slide downwards by self gravity, continue above to mention steel wire, keep lower slips 20 complete
Seat is hung on internal surface of sleeve pipe, then above mentions steel wire, and lower cone 24 is inserted into lower rubber cylinder 23, is hit, is hit under steel wire lifting blanking plug main body 1
Impacting tube 12,16 downlink of upper cone in knockout process, upper slips 18 are hung on internal surface of sleeve pipe, while upper packing element 14 is compressed and sat
It seals, mechanism locking is stapled in 13 downlink of lock ring outer cylinder, steel wire is able to use by fishing joint 2 and carries out blanking plug main body 1
Dispensing can salvage, and by blanking plug main body 1 by oil pipe blocking, water flooding will not be sprayed from oil pipe, greatly improve operation work
Make efficiency, not only save the activity duration, but also saved cost, economic benefit is also considerable, also can be quasi- by blanking plug main body 1
Really judge separate injection tubing string miss reason, to improve separate injection tubing string go into the well success rate and saving operating cost it is of crucial importance.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of well blanking plug, including blanking plug main body (1), it is characterised in that: the top of the blanking plug main body (1) is set
It is equipped with to be provided on the downside of fishing joint (2) and slide part (3), described slide is provided with closing piece axis (4) on the downside of part (3), described
It is provided on the downside of closing piece axis (4) lock nut (5), is provided with closing piece body (6) on the downside of the lock nut (5), the closing piece body (6)
Downside is provided with plug shell (7), and the inner wall of the blanking plug main body (1) is fixedly installed connecting rod (8), the connecting rod
(8) it is connect by sitting bayonet lock nail (9) with blanking plug main body (1), the closing piece body (6) passes through closing piece (10) and connecting rod (8) even
It connects, the bottom end of the connecting rod (8) is provided with plug (11), and the blanking plug main body (1) sets close to the one end of fishing joint (2)
It is equipped with impacting tube (12), is provided with lock ring outer cylinder (13) on the right side of the impacting tube (12), the right side of the lock ring outer cylinder (13)
It is provided with packing element (14), is provided with packing element protective case (15) on the outside of the upper packing element (14), the blanking plug main body (1)
Inner wall be located on the right side of upper packing element (14) and be provided with upper cone (16), the blanking plug main body (1) is located at upper cone (16)
It is provided at the center of downside central tube (17), the upper right side of the central tube (17) is provided with upper slips (18), the upper card
Watt (18) are provided with upper slips sliding sleeve (19), and the lower right side of the upper slips (18) is provided with lower slips (20), the lower slips
(20) it is provided with lower slips set (21), is provided with lower rubber cylinder (22) on the right side of the lower slips (20), the lower rubber cylinder (22) sets
It is equipped with lower rubber cylinder set (23), is provided with lower cone (24) on the right side of the lower rubber cylinder (22), set on the right side of the lower cone (24)
It is equipped with blockage mechanism (25), the upper slips (18) are fixedly connected with lower slips (20) by hoop (26).
2. a kind of well blanking plug according to claim 1, it is characterised in that: the lock ring outer cylinder (13) passes through connection
Set is connect with upper cone (16), and lower cone (24) is connect by connector sleeve with blockage mechanism (25).
3. a kind of well blanking plug according to claim 1, it is characterised in that: the upper packing element (14) and lower rubber cylinder
(22) it is laid in dress formula structure.
4. a kind of well blanking plug according to claim 1, it is characterised in that: the upper packing element (14) and lower rubber cylinder
(22) Single port is interior cone mouth, and upper cone (16) and lower cone (24) one end are inserted into the interior of upper packing element (14) and lower rubber cylinder (22)
In cone mouth.
5. a kind of well blanking plug according to claim 1, it is characterised in that: on described fishing joint (2) inner wall
It is additionally provided with retaining ring seat, snap ring is installed in retaining ring seat, is provided with card slot, the card in fishing joint (2) on the outer wall of connecting rod (8)
Ring seat is located at the top of the card slot of connecting rod (8).
6. a kind of well blanking plug according to claim 1, it is characterised in that: the blockage mechanism (25) is provided with stifled
Head fixed cylinder, blockage mechanism (25) are connect by plug fixed cylinder with plug (11).
7. a kind of well blanking plug according to claim 1, it is characterised in that: the upper slips (18) and lower slips
(20) it is laid by hoop (26) connection in dress formula structure between.
8. a kind of well blanking plug according to claim 1, it is characterised in that: the inside of the lock ring outer cylinder (13) is empty
Between be provided with click-on mechanism, click-on mechanism is provided with lock claw set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811384659.6A CN109505555A (en) | 2018-11-20 | 2018-11-20 | A kind of well blanking plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811384659.6A CN109505555A (en) | 2018-11-20 | 2018-11-20 | A kind of well blanking plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109505555A true CN109505555A (en) | 2019-03-22 |
Family
ID=65749350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811384659.6A Pending CN109505555A (en) | 2018-11-20 | 2018-11-20 | A kind of well blanking plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109505555A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4051897A (en) * | 1975-12-30 | 1977-10-04 | Gulf Research & Development Company | Well testing tool |
| CN201924872U (en) * | 2010-08-27 | 2011-08-10 | 西安鼎和新型能源有限公司 | Intubation tube packer |
| CN203308426U (en) * | 2013-04-28 | 2013-11-27 | 中国石油化工股份有限公司江汉油田分公司采油工艺研究院 | High-pressure-resistant removable oil pipe blanking plug |
| CN203925409U (en) * | 2014-06-25 | 2014-11-05 | 江苏力克石油机械有限公司 | Tubing plug |
| CN205532453U (en) * | 2016-01-13 | 2016-08-31 | 宝鸡瑞通石油装备有限公司 | Novel oil pipe blanking plug in pit |
| CN106593343A (en) * | 2016-12-15 | 2017-04-26 | 中国石油天然气股份有限公司 | Preset soluble casing plugging device and application method thereof |
-
2018
- 2018-11-20 CN CN201811384659.6A patent/CN109505555A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4051897A (en) * | 1975-12-30 | 1977-10-04 | Gulf Research & Development Company | Well testing tool |
| CN201924872U (en) * | 2010-08-27 | 2011-08-10 | 西安鼎和新型能源有限公司 | Intubation tube packer |
| CN203308426U (en) * | 2013-04-28 | 2013-11-27 | 中国石油化工股份有限公司江汉油田分公司采油工艺研究院 | High-pressure-resistant removable oil pipe blanking plug |
| CN203925409U (en) * | 2014-06-25 | 2014-11-05 | 江苏力克石油机械有限公司 | Tubing plug |
| CN205532453U (en) * | 2016-01-13 | 2016-08-31 | 宝鸡瑞通石油装备有限公司 | Novel oil pipe blanking plug in pit |
| CN106593343A (en) * | 2016-12-15 | 2017-04-26 | 中国石油天然气股份有限公司 | Preset soluble casing plugging device and application method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 宫柯: "《中国工程院院士传记 王德民传》", 31 May 2016, 航空工业出版社 * |
| 采油工艺研究所志编委会: "《大庆油田有限责任公司 采油工艺研究所志》", 31 December 2001 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190322 |