CN102900392A - Controllable pumping-well blowout preventer - Google Patents
Controllable pumping-well blowout preventer Download PDFInfo
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- CN102900392A CN102900392A CN2012103209039A CN201210320903A CN102900392A CN 102900392 A CN102900392 A CN 102900392A CN 2012103209039 A CN2012103209039 A CN 2012103209039A CN 201210320903 A CN201210320903 A CN 201210320903A CN 102900392 A CN102900392 A CN 102900392A
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- locking
- polished rod
- shut
- flashboard
- locking seat
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Abstract
The invention discloses a controllable pumping-well blowout preventer. A shut-off damper is arranged in a side hole of a pressing cap of a polish rod sealer, the left end of a connecting outer pipe and the pressing cap of the polish rod sealer are fixedly connected to be a whole, the right end of the connecting outer pipe is connected with a locking seat, a shut-off spring is arranged between the shut-off damper and the locking seat, a control rod after being inserted in the locking seat and the shut-off spring is hung on the shut-off damper, a sealing ring is arranged between the control rod and the locking seat, the locking seat is provided with a locking empty slot, the control rod is provided with a locking head, the left end face of the locking head is blocked by the right end face of the locking seat, and the locking head can enter into the locking empty slot. When an oil well is subjected to oil pumping normally, the shut-off damper can be controlled not to contact with a polish rod, when the polish rod is fractured from a sticking point and falls into the well, the control rod is rotated, so that the locking head on the control rod enters into the locking empty slot, and the shut-off damper blocks a hole left after the polish rod falls into the well, in such a way, crude oil in the well can not be jet out, thereby avoiding the crude oil loss and the environmental pollution. The blowout preventer disclosed by the invention has remarkable economic and social benefits.
Description
Technical field
The present invention is the rig tool that oil field pumping well is used, and is a kind of controllable type pumpingh well preventer.
Background technology
Be connected by the slips sheet between the polished rod top of pumpingh well and the polished rod eye of oil pumper, the slips sheet damages the polished rod surface easily, cause not endurance of polished rod, easily from the stuck point fracture, after polished rod ruptures from here, polished rod under the breakpoint can fall under the well head, form emptying aperture in the middle of making polished rod sealer, well inner high voltage liquid stream will eject, and cause on the one hand the crude oil loss, pollute the environment on the other hand, cause heavy economic losses.In order to address this problem, developed at present multiple wellhead blowout preventor, such as Chinese patent application: blow out preventer on hole top, after polished rod break comes off well, guarantee the outer spray of crude oil, can not cause environment pollution, can not make the crude oil loss.Close the parts that fall under the well head emptying aperture that in the middle of polished rod sealer, forms because of polished rod on these preventers and when oil well is normally produced, all will larger the contact be arranged with polished rod, under larger contact force effect, relative motion is arranged, shut-off block on polished rod or the preventer is damaged, can affect oil well production on the one hand, not have on the other hand the effect that reaches blowout prevention.
Summary of the invention
The objective of the invention is to design a kind of controllable type pumpingh well preventer, can control shut-off block when oil well is normally produced does not contact with polished rod, shut-off block on polished rod or the preventer can not be damaged, guarantee long-term normal production of oil well, after pumping well polish rod ruptures well, its emptying aperture can be stopped up, avoid occuring blowout and cause crude oil loss and environment pollution.
The object of the present invention is achieved like this: comprise and close flashboard, connect outer tube, close spring, sealing ring, the locking seat, control lever, polished rod sealer gland is installed on the polished rod sealer, polished rod passes in the polished rod sealer gland upper end hole, closing flashboard is installed in the polished rod sealer gland side opening, connection outer tube left end is fixedly connected with polished rod sealer gland and is integral, closing flashboard is in the connection outer tube internal cavities, connecting the outer tube right-hand member is connected with the locking seat, close between flashboard and the locking seat and close spring, control lever pierces into the locking seat, closing spring is suspended on and closes on the flashboard, control lever can rotate, between control lever and the locking seat sealing ring is installed, have the locking dead slot on the locking seat, control lever is provided with elongated insertion part, locked seat right side, the left side of elongated insertion part block, make and close flashboard and can not contact with polished rod, the size of elongated insertion part is less than the size of locking dead slot, elongated insertion part can enter in the locking dead slot, closes the endoporus that flashboard stops up polished rod sealer gland when elongated insertion part enters in the locking dead slot.
The invention has the beneficial effects as follows: when oil well is normally pumped, can control and close flashboard and do not contact with polished rod, shut-off block on polished rod or the preventer can not be damaged, the assurance oil well can normally be produced for a long time, when polished rod ruptures well from stuck point, the rotation control lever, make logical the entering in the locking dead slot of elongated insertion part on the control lever, under spring action, close flashboard and walk to the rod sealer pressure cap, stop up the aperture of reserving behind the falling polished rod in well, the interior crude oil of well can not be ejected, avoid crude oil loss and environment pollution, therefore, the present invention can reach purpose of design, has significant economic benefit and social benefit.
Description of drawings
Fig. 1 is the assembling drawing of the embodiment of the invention.
Fig. 2 is the profile after cutting open from A-A among Fig. 1.
Fig. 3 is the profile after the elongated insertion part on the part 1 is cut open from B-B among Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described.
As seen from the figure, the present invention includes polished rod sealer 1, polished rod 2, polished rod sealer gland 3, close flashboard 4, connect outer tube 5, close spring 6, sealing ring 7, locking seat 8, control lever 9, polished rod sealer gland 3 is installed on the polished rod sealer 1, polished rod 2 passes in polished rod sealer gland 3 upper end holes, closing flashboard 4 is installed in polished rod sealer gland 3 side openings, connection outer tube 5 left ends are fixedly connected with polished rod sealer gland 3 and are integral, closing flashboard 4 is in connection outer tube 5 internal cavities, connecting outer tube 5 right-hand members is connected with locking seat 8, close between flashboard 4 and the locking seat 8 and close spring 6, control lever 9 pierces into locking seat 8, closing spring 6 is suspended on and closes on the flashboard 4, control lever 9 can rotate, between control lever 9 and the locking seat 8 sealing ring 7 is installed, be used for the gap between sealing control lever 9 and the locking seat 8, have locking dead slot 11 on the locking seat 8, control lever 9 is provided with elongated insertion part 10, the left side of elongated insertion part 10 locked seat 8 right side blocks, make and close flashboard 4 and can not contact with polished rod 2, the size of elongated insertion part 10 is less than the size of locking dead slot (11), the control lever 9 rear elongated insertion part 10 that rotates to an angle can enter 11 li of dead slots of locking, closes the endoporus that flashboard 4 stops up polished rod sealer glands 3 when elongated insertion part 10 enters 11 li of locking dead slots.
When oil well is normally produced, close flashboard 4, close spring 6, control lever 9 is in the state such as Fig. 1, the broadside of the elongated insertion part 10 on the control lever 9 intersects with the broadside that locks the locking dead slot 11 on the seat 8, at this moment, close spring 6 and be in the compressed energy-storage state, closing flashboard 4 can not contact with polished rod 2, although polished rod 2 pumps, but the shut-off block on polished rod or the preventer (as closing flashboard 4) can not be damaged, and oil well can normally be produced for a long time.When polished rod 2 ruptures well from stuck point, rotation control lever 9, the broadside of the locking dead slot 11 on the broadside that makes the elongated insertion part 10 on the control lever 9 and the locking seat 8 overlaps, control lever 9 can inwardly stretch into, under the effect of closing spring 6, close flashboard 4 to polished rod sealer gland 3 interior movements, the aperture that obstruction is reserved after removing because of polished rod 2 makes that crude oil can not eject in the well.
Claims (1)
1. controllable type pumpingh well preventer, comprise and close flashboard (4), connect outer tube (5), close spring (6), sealing ring (7), locking seat (8), control lever (9), polished rod sealer gland (3) is installed on the polished rod sealer (1), polished rod (2) passes in polished rod sealer gland (3) upper end hole, closing flashboard (4) is installed in polished rod sealer gland (3) side opening, connection outer tube (5) left end is fixedly connected with polished rod sealer gland (3) and is integral, closing flashboard (4) is in connection outer tube (5) internal cavities, connecting outer tube (5) right-hand member is connected with locking seat (8), close between flashboard (4) and the locking seat (8) and close spring (6), it is characterized in that: control lever (9) pierces into locking seat (8), closing spring (6) is suspended on and closes on the flashboard (4), control lever (9) can rotate, between control lever (9) and the locking seat (8) sealing ring (7) is installed, have locking dead slot (11) on the locking seat (8), control lever (9) is provided with elongated insertion part (10), locked seat (8) right side, the left side of elongated insertion part (10) block, make and close flashboard (4) and can not contact with polished rod (2), the size of elongated insertion part (10) is less than the size of locking dead slot (11), it is inner that elongated insertion part (10) can enter locking dead slot (11), and elongated insertion part (10) enters locking dead slot (11) and closes the endoporus that flashboard (4) stops up polished rod sealer gland when inner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103209039A CN102900392A (en) | 2012-09-03 | 2012-09-03 | Controllable pumping-well blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103209039A CN102900392A (en) | 2012-09-03 | 2012-09-03 | Controllable pumping-well blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102900392A true CN102900392A (en) | 2013-01-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103209039A Pending CN102900392A (en) | 2012-09-03 | 2012-09-03 | Controllable pumping-well blowout preventer |
Country Status (1)
| Country | Link |
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| CN (1) | CN102900392A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230482A (en) * | 2019-07-17 | 2019-09-13 | 山东四通石油技术开发有限公司 | Self-sealing anti-corrosion blowout prevention polished rod protective device |
| CN117052340A (en) * | 2023-08-14 | 2023-11-14 | 山东鼎推岩土工程有限公司 | Anti-splashing device and method for down-the-hole hammer construction |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162565Y (en) * | 1993-01-18 | 1994-04-20 | 郭耘 | New struction of open-bar wedge single slide valve |
| CN2229981Y (en) * | 1995-08-14 | 1996-06-26 | 辽河石油勘探局兴隆台采油厂 | Bias-tracing lubricating two-stage rod sealing device |
| CN2337311Y (en) * | 1998-07-22 | 1999-09-08 | 辽河石油勘探局高升采油厂 | Multi-function well head blow-out preventing box |
| CN2746116Y (en) * | 2004-09-17 | 2005-12-14 | 辽河石油勘探局 | Polish rod anti-blowout sealing device |
| RU2347061C1 (en) * | 2007-05-07 | 2009-02-20 | Ринат Юсупович Шафеев | Wellhead sealing device |
| CN201218078Y (en) * | 2008-07-16 | 2009-04-08 | 中国石油天然气股份有限公司 | Polished rod breaking anti-blowout tool for oil pumping well |
| CN201443336U (en) * | 2009-06-09 | 2010-04-28 | 中国石油化工股份有限公司胜利油田分公司桩西采油厂 | Polished rod stuffing box |
| CN201671585U (en) * | 2010-05-19 | 2010-12-15 | 孙文多 | Eccentric wear and spray prevention well mouth seal device |
| CN202767936U (en) * | 2012-09-03 | 2013-03-06 | 中国石油化工股份有限公司 | Controllable blowout preventer of pumping well |
-
2012
- 2012-09-03 CN CN2012103209039A patent/CN102900392A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2162565Y (en) * | 1993-01-18 | 1994-04-20 | 郭耘 | New struction of open-bar wedge single slide valve |
| CN2229981Y (en) * | 1995-08-14 | 1996-06-26 | 辽河石油勘探局兴隆台采油厂 | Bias-tracing lubricating two-stage rod sealing device |
| CN2337311Y (en) * | 1998-07-22 | 1999-09-08 | 辽河石油勘探局高升采油厂 | Multi-function well head blow-out preventing box |
| CN2746116Y (en) * | 2004-09-17 | 2005-12-14 | 辽河石油勘探局 | Polish rod anti-blowout sealing device |
| RU2347061C1 (en) * | 2007-05-07 | 2009-02-20 | Ринат Юсупович Шафеев | Wellhead sealing device |
| CN201218078Y (en) * | 2008-07-16 | 2009-04-08 | 中国石油天然气股份有限公司 | Polished rod breaking anti-blowout tool for oil pumping well |
| CN201443336U (en) * | 2009-06-09 | 2010-04-28 | 中国石油化工股份有限公司胜利油田分公司桩西采油厂 | Polished rod stuffing box |
| CN201671585U (en) * | 2010-05-19 | 2010-12-15 | 孙文多 | Eccentric wear and spray prevention well mouth seal device |
| CN202767936U (en) * | 2012-09-03 | 2013-03-06 | 中国石油化工股份有限公司 | Controllable blowout preventer of pumping well |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230482A (en) * | 2019-07-17 | 2019-09-13 | 山东四通石油技术开发有限公司 | Self-sealing anti-corrosion blowout prevention polished rod protective device |
| CN117052340A (en) * | 2023-08-14 | 2023-11-14 | 山东鼎推岩土工程有限公司 | Anti-splashing device and method for down-the-hole hammer construction |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Feng Xinyong Inventor after: Ye Ming Inventor after: Chen Xuejie Inventor after: Wang Juan Inventor after: Sun Wanting Inventor after: Xu Jianhua Inventor after: Li Jun Inventor after: Wu Juan Inventor after: Su Guoqing Inventor after: Zhao Xiaoqiang Inventor before: Feng Xinyong Inventor before: Chen Xuejie Inventor before: Wang Juan Inventor before: Xu Jianhua Inventor before: Li Jun Inventor before: Wu Juan Inventor before: Su Guoqing Inventor before: Zhao Xiaoqiang Inventor before: Ye Ming |
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| COR | Change of bibliographic data | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130130 |
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| WD01 | Invention patent application deemed withdrawn after publication |