CN112483036A - Barrier-free circulating operation blowout preventer - Google Patents
Barrier-free circulating operation blowout preventer Download PDFInfo
- Publication number
- CN112483036A CN112483036A CN202011465367.2A CN202011465367A CN112483036A CN 112483036 A CN112483036 A CN 112483036A CN 202011465367 A CN202011465367 A CN 202011465367A CN 112483036 A CN112483036 A CN 112483036A
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- China
- Prior art keywords
- annular
- skeleton
- connection body
- intermediate connection
- elastic sealing
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000001125 extrusion Methods 0.000 claims abstract description 18
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims 2
- 230000008676 import Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 description 8
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000004134 energy conservation Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003129 oil well 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
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
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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)
- Sealing Devices (AREA)
Abstract
The invention discloses a barrier-free type circulating operation blowout preventer, which comprises: the intermediate connection body, set up at the well head connector of intermediate connection body lower extreme and set up the locking gland in the intermediate connection body upper end be provided with the working chamber in intermediate connection body, well head connector and the locking gland between intermediate connection body and the imported connector and between intermediate connection body and the locking gland respectively the joint have elastic sealing rubber spare, elastic sealing rubber spare's structure includes: annular joint portion and the annular extrusion portion that is connected with annular joint portion, the one end that annular extrusion portion stretched into the working chamber is provided with convex extrusion face be provided with annular elasticity skeleton in the elastic sealing rubber spare respectively, the cross section of annular elasticity skeleton is J type structure.
Description
Technical Field
The invention relates to blowout prevention equipment, in particular to a barrier-free type circular operation blowout prevention device.
Background
The blowout preventer is a key part of a well control device, is mainly used for well head operation in the oil extraction and oil pumping processes, controls the pressure of a well head in the oil pumping process, effectively prevents well blowout accidents, and must be installed to ensure the safety of operators and equipment and achieve no environmental pollution. This is increasingly demanding on blowout preventers, which are too high in configuration but also high in cost and complex in operation, as for general oil well heads: the method not only considers safe construction, but also needs energy conservation, emission reduction, green and environmental protection, and simultaneously improves the working efficiency, so the method is particularly important for the design and selection of the blowout preventer.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided is a barrier-free circulation operation blowout preventer with strong sealing performance.
In order to solve the technical problems, the invention adopts the technical scheme that: accessible formula circulation operation blowout preventer includes: the intermediate connection body, set up at the well head connector of intermediate connection body lower extreme and set up the locking gland in the intermediate connection body upper end be provided with the working chamber in intermediate connection body, well head connector and the locking gland between intermediate connection body and the imported connector and between intermediate connection body and the locking gland respectively the joint have elastic sealing rubber spare, elastic sealing rubber spare's structure includes: annular joint portion and the annular extrusion portion that is connected with annular joint portion, the one end that annular extrusion portion stretched into the working chamber is provided with convex extrusion face be provided with annular elasticity skeleton in the elastic sealing rubber spare respectively, the cross section of annular elasticity skeleton is J type structure, the structure of annular elasticity skeleton includes: skeleton head, the skeleton neck that is connected with the skeleton head and the skeleton afterbody that is connected with the skeleton neck, skeleton head and skeleton neck set up in annular joint portion, the skeleton afterbody sets up in annular extrusion portion.
The invention has the advantages that: the barrier-free type circular operation blowout preventer has the advantages of safe and reliable quality, small volume, light weight, compact structure, high safety factor, long service life of circular operation and stable blowout preventing sealing performance; the application range is wide, one sealing rubber piece can pass through pumping rods with various specifications in an accessible manner, and the sealing rubber piece is suitable for bidirectional circulation operation; the balance stability is strong, the product design has the functions of double sealing, double righting and double arc blowout prevention sealing, the transition sucker rod and the coupling can be smoothly balanced and stabilized, and meanwhile, the device has a certain protection effect; the double-arc blowout-preventing sealing rubber part has the characteristics of small resistance, high temperature resistance, wear resistance, high elasticity, strong sealing performance and the like; the device has the advantages of energy conservation, emission reduction, environmental protection, compact structure, and has the functions of blowout prevention, dust prevention, oil collection, oil removal, decontamination and the like.
Drawings
FIG. 1 is a schematic view of the barrier-free blowout preventer for cycle operation according to the present invention in a sealed sucker rod configuration.
FIG. 2 is a schematic structural view of a sealing sucker rod coupling when the barrier-free blowout preventer for cycle operation according to the present invention is used to pump out a sucker rod.
In the figure: 1. the middle connector, 2, well head connector, 3, locking gland, 4, working chamber, 5, elastic sealing rubber spare, 51, annular joint portion, 52, annular extrusion portion, 53, convex extrusion face, 6, annular elastic skeleton, 61, skeleton head, 62, skeleton neck, 63, skeleton afterbody, 7, sucker rod, 8, sucker rod coupling.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the barrier-free type circulation work blowout preventer includes: the intermediate connection body 1, set up at the well head connector 2 of 1 lower extreme of intermediate connection body and set up the locking gland 3 in 1 upper end of intermediate connection body be provided with working chamber 4 in intermediate connection body 1, well head connector 2 and the locking gland 3 the elastic sealing rubber spare 5 of joint respectively between intermediate connection body 1 and the imported connector 2 and between intermediate connection body 1 and the locking gland 3, the structure of elastic sealing rubber spare 5 includes: annular joint portion 51 and the annular extrusion portion 52 that is connected with annular joint portion 51, the one end that annular extrusion portion 52 stretched into in the working chamber 4 is provided with convex extrusion face 53 be provided with annular elasticity skeleton 6 in the elastic sealing rubber spare 5 respectively, the cross section of annular elasticity skeleton 6 is J type structure, the structure of annular elasticity skeleton 6 includes: skeleton head 61, the skeleton neck 62 that is connected with skeleton head 61 and the skeleton afterbody 63 that is connected with skeleton neck 62, skeleton head 61 and skeleton neck 62 set up in annular joint portion 51, skeleton afterbody 63 sets up in annular extrusion portion 52.
During the use, when sucker rod collar 8 is located the lower extreme of well head connector 2, annular elastic framework 6 extends, two elastic sealing rubber spare 5 carry out the double containment to sucker rod 7, when sucker rod 7 upwards promoted, sucker rod collar 8 removed to elastic sealing rubber spare 5 in, annular elastic framework 6 is by extrusion shrink, elastic sealing rubber spare 5 is along with annular elastic framework 6 contracts together, it offsets with sucker rod collar 8 to push elastic sealing rubber spare 5 under annular elastic framework 6's reaction force, thereby realize the sealed of sucker rod collar 8.
The barrier-free type circular operation blowout preventer has the advantages of safe and reliable quality, small volume, light weight, compact structure, high safety factor, long service life of circular operation and stable blowout preventing sealing performance; the application range is wide, one sealing rubber piece can pass through pumping rods with various specifications in an accessible manner, and the sealing rubber piece is suitable for bidirectional circulation operation; the balance stability is strong, the product design has the functions of double sealing, double righting and double arc blowout prevention sealing, the transition sucker rod and the coupling can be smoothly balanced and stabilized, and meanwhile, the device has a certain protection effect; the double-arc blowout-preventing sealing rubber part has the characteristics of small resistance, high temperature resistance, wear resistance, high elasticity, strong sealing performance and the like; the device has the advantages of energy conservation, emission reduction, environmental protection, compact structure, and has the functions of blowout prevention, dust prevention, oil collection, oil removal, decontamination and the like.
Claims (1)
1. Accessible formula circulation operation blowout preventer, its characterized in that: the method comprises the following steps: intermediate connection body (1), set up well head connector (2) and the locking gland (3) of setting in intermediate connection body (1) upper end at intermediate connection body (1) the internal working chamber (4) that is provided with of intermediate connection body (1), well head connector (2) and locking gland (3) the joint has elastic sealing to glue piece (5) respectively between intermediate connection body (1) and import connector (2) and between intermediate connection body (1) and locking gland (3), the structure of elastic sealing glue piece (5) includes: annular joint portion (51) and annular extrusion portion (52) that are connected with annular joint portion (51), the one end that annular extrusion portion (52) stretched into in working chamber (4) is provided with convex extrusion face (53) be provided with annular elasticity skeleton (6) in elastic sealing rubber spare (5) respectively, the cross section of annular elasticity skeleton (6) is J type structure, the structure of annular elasticity skeleton (6) includes: skeleton head (61), skeleton neck (62) that are connected with skeleton head (61) and skeleton afterbody (63) that are connected with skeleton neck (62), skeleton head (6) and skeleton neck (62) set up in annular joint portion (51), skeleton afterbody (63) set up in annular extrusion portion (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011465367.2A CN112483036B (en) | 2020-12-14 | 2020-12-14 | Barrier-free circulating operation blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011465367.2A CN112483036B (en) | 2020-12-14 | 2020-12-14 | Barrier-free circulating operation blowout preventer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112483036A true CN112483036A (en) | 2021-03-12 |
| CN112483036B CN112483036B (en) | 2021-10-01 |
Family
ID=74917970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011465367.2A Active CN112483036B (en) | 2020-12-14 | 2020-12-14 | Barrier-free circulating operation blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112483036B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2746118Y (en) * | 2004-10-14 | 2005-12-14 | 河北华北石油荣盛机械制造有限公司 | Reducing flashboard for well drilling |
| CN101328787A (en) * | 2007-06-18 | 2008-12-24 | 大庆油田有限责任公司 | Seal device of oil pumping machine well elastic dynamic seal well head |
| CN201180514Y (en) * | 2008-03-25 | 2009-01-14 | 盐城市大冈石油工具厂有限责任公司 | Multifunctional gripper pipe blowout preventer |
| CN102061901A (en) * | 2010-12-14 | 2011-05-18 | 雷宽成 | Compensation type multi-purpose annular blowout preventer |
| CN102400656A (en) * | 2011-10-31 | 2012-04-04 | 盐城市大冈石油工具厂有限责任公司 | Dual-seal connected blowout preventer |
| EP2558676A1 (en) * | 2010-04-13 | 2013-02-20 | Managed Pressure Operations Pte. Limited | Blowout preventer assembly |
| CN203531828U (en) * | 2013-11-22 | 2014-04-09 | 中国石油天然气集团公司 | Oil-pressure shrinkage active compensation type rubber core of active sealing type rotary blowout preventer |
| CN104411918A (en) * | 2012-06-26 | 2015-03-11 | 海德里尔美国制造业有限责任公司 | Fiber reinforced elastomer anisotropic annular blowout preventer |
| CN204663460U (en) * | 2015-05-05 | 2015-09-23 | 河北华北石油荣盛机械制造有限公司 | Ram preventer variable bore ram on a large scale |
| CN105781473A (en) * | 2016-05-09 | 2016-07-20 | 中国石油天然气股份有限公司 | Variable-diameter blowout preventer for controllable non-well killing operation |
| CN107313737A (en) * | 2017-06-30 | 2017-11-03 | 中国石油大学(华东) | Double glue core annular preventers |
| CN208106372U (en) * | 2018-04-12 | 2018-11-16 | 胜利方兰德石油装备股份有限公司 | A kind of compound preventer of sucker rod |
| CN208502718U (en) * | 2018-04-28 | 2019-02-15 | 江苏亿德隆石油机械有限公司 | A kind of reducing blowout preventer flashboard |
-
2020
- 2020-12-14 CN CN202011465367.2A patent/CN112483036B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2746118Y (en) * | 2004-10-14 | 2005-12-14 | 河北华北石油荣盛机械制造有限公司 | Reducing flashboard for well drilling |
| CN101328787A (en) * | 2007-06-18 | 2008-12-24 | 大庆油田有限责任公司 | Seal device of oil pumping machine well elastic dynamic seal well head |
| CN201180514Y (en) * | 2008-03-25 | 2009-01-14 | 盐城市大冈石油工具厂有限责任公司 | Multifunctional gripper pipe blowout preventer |
| EP2558676A1 (en) * | 2010-04-13 | 2013-02-20 | Managed Pressure Operations Pte. Limited | Blowout preventer assembly |
| US20130168578A1 (en) * | 2010-04-13 | 2013-07-04 | Managed Pressure Operations PTE, Limited | Blowout Preventer Assembly |
| CN102061901A (en) * | 2010-12-14 | 2011-05-18 | 雷宽成 | Compensation type multi-purpose annular blowout preventer |
| CN102400656A (en) * | 2011-10-31 | 2012-04-04 | 盐城市大冈石油工具厂有限责任公司 | Dual-seal connected blowout preventer |
| CN104411918A (en) * | 2012-06-26 | 2015-03-11 | 海德里尔美国制造业有限责任公司 | Fiber reinforced elastomer anisotropic annular blowout preventer |
| CN203531828U (en) * | 2013-11-22 | 2014-04-09 | 中国石油天然气集团公司 | Oil-pressure shrinkage active compensation type rubber core of active sealing type rotary blowout preventer |
| CN204663460U (en) * | 2015-05-05 | 2015-09-23 | 河北华北石油荣盛机械制造有限公司 | Ram preventer variable bore ram on a large scale |
| CN105781473A (en) * | 2016-05-09 | 2016-07-20 | 中国石油天然气股份有限公司 | Variable-diameter blowout preventer for controllable non-well killing operation |
| CN107313737A (en) * | 2017-06-30 | 2017-11-03 | 中国石油大学(华东) | Double glue core annular preventers |
| CN208106372U (en) * | 2018-04-12 | 2018-11-16 | 胜利方兰德石油装备股份有限公司 | A kind of compound preventer of sucker rod |
| CN208502718U (en) * | 2018-04-28 | 2019-02-15 | 江苏亿德隆石油机械有限公司 | A kind of reducing blowout preventer flashboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112483036B (en) | 2021-10-01 |
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