CN105927180A - Blowout preventer for well mouth blowout preventing device - Google Patents
Blowout preventer for well mouth blowout preventing device Download PDFInfo
- Publication number
- CN105927180A CN105927180A CN201610322598.5A CN201610322598A CN105927180A CN 105927180 A CN105927180 A CN 105927180A CN 201610322598 A CN201610322598 A CN 201610322598A CN 105927180 A CN105927180 A CN 105927180A
- Authority
- CN
- China
- Prior art keywords
- blowout
- joint
- preventer
- seal gasket
- connector
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B33/068—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells
- E21B33/072—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells for cable-operated tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Abstract
The invention relates to well logging tools for oil fields, in particular to a blowout preventer for a well mouth blowout preventing device. The blowout preventer for the well mouth blowout preventing device comprises a tubing coupling and a blowout preventing connector. The tubing coupling is connected with the blowout preventing connector in a pipe thread seal mode. A pipe plug, a first sealing rubber pad, a middle pad, a second sealing rubber pad and a pressing connector are sequentially arranged in an inner hole of the blowout preventing connector from bottom to top. The pipe plug is connected to the bottom end of the inner hole of the blowout preventing connector in a threaded mode. The pressing connector is connected to the top end of the inner hole of the blowout preventing connector in a threaded mode. A steel wire penetrates through a center hole of the pressing connector, a center hole of the second sealing rubber pad, a center hole of the middle pad, a center hole of the first sealing rubber pad and a center hole of the pipe plug. According to the blowout preventer, a novel structure mode is adopted, and when an oil field team hoists an instrument with the steel wire into an oil well for logging, a sealing effect can be well achieved, and the blowout preventer is extremely durable; and the replacement frequency of accessories of a blowout preventing assembly is reduced, assembly and disassembly are extremely easy, and the logging speed of the logging team is improved.
Description
Technical field
The present invention relates to a kind of oil reservoir logging instrument, be specifically related to a kind of wellhead blowout preventer preventer.
Background technology
During the well logging of oil reservoir logging squad, instrument is transferred in oil well. sometimes lift with armored cable, this applicable diameter is thicker, length is long, the instrument that weight ratio is relatively sunk, also have in transferring to oil well with steel wire lifting instrument exactly and log well, this applicable diameter is smaller, length is short, the instrument that total amount is light, need to use blowout hookup when going into the well with steel wire lifting instrument, blowout is there is in preventing oil well, the gas having immense pressure gushes out in oil well, the object of well head is caused considerable damage, the effect that the blowout prevention assembly in the past used on blowout hookup seals is not fine, the most durable, install the most cumbersome, now need a kind of good sealing effect and durable, the simplest blowout prevention assembly is installed, for this, we provide a kind of wellhead blowout preventer preventer.
Summary of the invention
The technical problem to be solved is to provide a kind of wellhead blowout preventer preventer, in oil field squad with time under steel wire lifting instrument to well logging in oil well, can well play the effect of sealing, and extremely durable, installation and removal are the simplest, the problem of blowout prevention assembly before solving.
For solving above-mentioned technical problem, the present invention provides techniques below scheme: a kind of wellhead blowout preventer preventer, including tubing coupling and blowout joint, described tubing coupling and blowout joint pipe thread seal connect, plug it is disposed with from bottom to top in the endoporus of described blowout joint, first seal gasket, middle pad, second seal gasket, pressed joint, described plug is threadedly connected to the bottom of described blowout joint endoporus, described pressed joint is threadedly connected to the top of described blowout joint endoporus, described pressed joint, second seal gasket, middle pad, steel wire is had to pass in first seal gasket and plug centre bore.
On the basis of such scheme, described blowout joint is provided with the first outer six side portions, and described pressed joint is provided with the second outer six side portions.
On the basis of such scheme, described first seal gasket, the second seal gasket coordinate with steel wire slipper seal, and described first seal gasket and the second seal gasket coordinate with blowout joint endoporus static seal.
The present invention compared with prior art has the beneficial effect that a kind of wellhead blowout preventer preventer, have employed new frame mode, in oil field squad with time under steel wire lifting instrument to well logging in oil well, can well play the effect of sealing, and it is extremely durable, decreasing the replacement frequency of blowout prevention assembly accessory, installation and removal are the simplest, improve the speed of well logging squad well logging.
Accompanying drawing explanation
Fig. 1 is one wellhead blowout preventer preventer structural representation of the present invention；
Figure is numbered: 1-tubing coupling, 2-blowout joint, the outer six side portions of 201-first, 3-plug, 4-the first seal gasket, 5-middle pad, 6-the second seal gasket, 7-pressed joint, 701-second outer six side portions, 8-steel wire.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In describing the invention, it will be appreciated that, term " longitudinally ", " laterally ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention, rather than instruction or hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Understand with reference to Fig. 1: a kind of wellhead blowout preventer preventer, including tubing coupling 1 and blowout joint 2, described tubing coupling 1 and blowout joint 2 pipe thread seal connect, plug 3 it is disposed with from bottom to top in the endoporus of described blowout joint 2, first seal gasket 4, middle pad 5, second seal gasket 6, pressed joint 7, described plug 3 is threadedly connected to the bottom of described blowout joint 2 endoporus, described pressed joint 7 is threadedly connected to the top of described blowout joint 2 endoporus, described pressed joint 7, second seal gasket 6, middle pad 5, steel wire 8 is had to pass in first seal gasket 4 and plug 3 centre bore.
The first outer six side portions 201 are extended at described blowout joint 2 top, and the second outer six side portions 701 are extended at described pressed joint 7 top, and the first outer six side portions 201 and the second outer six side portions 701 facilitate special spanner fastening blowout joint 2 and pressed joint 7；Described first seal gasket the 4, second seal gasket 6 coordinates with steel wire 8 slipper seal, and described first seal gasket 4 and the second seal gasket 6 coordinate with blowout joint 2 endoporus static seal, so can guarantee that the sealing in lubricator.
nullThe principle of the present invention and advantage: a kind of wellhead blowout preventer preventer，Have employed new frame mode，When oil field squad lifts with steel wire 8 under instrument to well logging in oil well，Can well play the effect of sealing，And it is extremely durable，Decrease the replacement frequency of blowout prevention assembly accessory，Mount and dismount the simplest，Improve the speed of well logging squad well logging，When well logging，First tubing coupling 1 is installed on blowout hookup，By plug 3、First seal gasket 4、Middle pad 5、Second seal gasket 6 and pressed joint 7 are installed in blowout joint 2 in order，Then by steel wire 8 through plug 3、First seal gasket 4、Middle pad 5、Pass in the centre bore of the second seal gasket 6 and pressed joint 7，Through afterwards steel wire 8 being connected instrument，Instrument is put in blowout hookup through tubing coupling 1，Blowout joint 2 is being installed in tubing coupling 1，Connected by pipe thread seal，So blowout prevention assembly just connects，After installing，The the second outer six side portion debugging steel wire 8 elasticities in the first seal gasket 4 and the second seal gasket 6 centre bore of pressed joint 7 are twisted with special spanner，Twist pressed joint 7 and can compress the first seal gasket 4 and the second seal gasket 6，By steel wire elasticity in the first seal gasket 4 and the second seal gasket 6 centre bore，Control the first seal gasket 4 and the second seal gasket 6 centre bore coordinates with the slipper seal of steel wire，Rubber is lined with two，Good seal performance，And it is durable，Further work just can be proceeded by after debugging is good，Simple to operation，The present invention is economical and practical.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (3)
1. a wellhead blowout preventer preventer, including tubing coupling and blowout joint, described tubing coupling and blowout joint pipe thread seal connect, it is characterized in that, plug it is disposed with from bottom to top in the endoporus of described blowout joint, first seal gasket, middle pad, second seal gasket, pressed joint, described plug is threadedly connected to the bottom of described blowout joint endoporus, described pressed joint is threadedly connected to the top of described blowout joint endoporus, described pressed joint, second seal gasket, middle pad, steel wire is had to pass in first seal gasket and plug centre bore.
A kind of wellhead blowout preventer preventer the most according to claim 1, it is characterised in that described blowout joint is provided with the first outer six side portions, described pressed joint is provided with the second outer six side portions.
A kind of wellhead blowout preventer preventer the most according to claim 1, it is characterized in that, described first seal gasket, the second seal gasket coordinate with steel wire slipper seal, and described first seal gasket and the second seal gasket coordinate with blowout joint endoporus static seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610322598.5A CN105927180A (en) | 2016-05-16 | 2016-05-16 | Blowout preventer for well mouth blowout preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610322598.5A CN105927180A (en) | 2016-05-16 | 2016-05-16 | Blowout preventer for well mouth blowout preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105927180A true CN105927180A (en) | 2016-09-07 |
Family
ID=56834898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610322598.5A Pending CN105927180A (en) | 2016-05-16 | 2016-05-16 | Blowout preventer for well mouth blowout preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105927180A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356783A (en) * | 2021-07-12 | 2021-09-07 | 西安兴辉锐油气开发科技有限公司 | Closed gas well drainage sled |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418251Y (en) * | 1999-02-05 | 2001-02-07 | 胜利石油管理局孤东采油厂 | Blowout-proof device for test of high-pressure wellhead |
| CN2610076Y (en) * | 2003-04-02 | 2004-04-07 | 大庆油田有限责任公司 | Environmental protection testing blow-out proventer |
| CN2632299Y (en) * | 2003-08-14 | 2004-08-11 | 吴应熙 | Self-sealing well testing blow-out preventing controller |
| US20070175626A1 (en) * | 2006-01-27 | 2007-08-02 | Stream-Flo Industries Ltd. | Wellhead Blowout Preventer With Extended Ram for Sealing Central Bore |
| CN201232535Y (en) * | 2008-08-01 | 2009-05-06 | 马冬兰 | Eccentric wellhead double pulley blowout prevention blowout preventer |
| CN201330576Y (en) * | 2009-01-04 | 2009-10-21 | 中国石油化工股份有限公司胜利油田分公司孤东采油厂 | Well head gushing-proof device for water injection well test |
| CN203403854U (en) * | 2013-08-09 | 2014-01-22 | 中国石油化工股份有限公司 | Well mouth blowout preventer for large-diameter logging instrument |
-
2016
- 2016-05-16 CN CN201610322598.5A patent/CN105927180A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2418251Y (en) * | 1999-02-05 | 2001-02-07 | 胜利石油管理局孤东采油厂 | Blowout-proof device for test of high-pressure wellhead |
| CN2610076Y (en) * | 2003-04-02 | 2004-04-07 | 大庆油田有限责任公司 | Environmental protection testing blow-out proventer |
| CN2632299Y (en) * | 2003-08-14 | 2004-08-11 | 吴应熙 | Self-sealing well testing blow-out preventing controller |
| US20070175626A1 (en) * | 2006-01-27 | 2007-08-02 | Stream-Flo Industries Ltd. | Wellhead Blowout Preventer With Extended Ram for Sealing Central Bore |
| US7552765B2 (en) * | 2006-01-27 | 2009-06-30 | Stream-Flo Industries Ltd. | Wellhead blowout preventer with extended ram for sealing central bore |
| CN201232535Y (en) * | 2008-08-01 | 2009-05-06 | 马冬兰 | Eccentric wellhead double pulley blowout prevention blowout preventer |
| CN201330576Y (en) * | 2009-01-04 | 2009-10-21 | 中国石油化工股份有限公司胜利油田分公司孤东采油厂 | Well head gushing-proof device for water injection well test |
| CN203403854U (en) * | 2013-08-09 | 2014-01-22 | 中国石油化工股份有限公司 | Well mouth blowout preventer for large-diameter logging instrument |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356783A (en) * | 2021-07-12 | 2021-09-07 | 西安兴辉锐油气开发科技有限公司 | Closed gas well drainage sled |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |
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| RJ01 | Rejection of invention patent application after publication |