CN2672283Y - Controller of blowout preventer switch - Google Patents
Controller of blowout preventer switch Download PDFInfo
- Publication number
- CN2672283Y CN2672283Y CN 200420032530 CN200420032530U CN2672283Y CN 2672283 Y CN2672283 Y CN 2672283Y CN 200420032530 CN200420032530 CN 200420032530 CN 200420032530 U CN200420032530 U CN 200420032530U CN 2672283 Y CN2672283 Y CN 2672283Y
- Authority
- CN
- China
- Prior art keywords
- piston
- liquid
- main
- switch
- blowout preventer
- 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.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 238000012856 packing Methods 0.000 claims description 15
- 239000010720 hydraulic oil Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 241000283216 Phocidae Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010727 cylinder oil Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Landscapes
- Actuator (AREA)
Abstract
The utility model provides a controller of a blowout preventer switch, belonging to the manufacturing technical field of well control devices, which comprises a ring seal piston and the controller of a switch hydraulic lock. The utility model implements self-sealing between side doors and the blowout preventer via the ring seal piston and makes the flashboard shaft of a blowout preventer tightly lock and seal automatically via a sequential liquid injection valve and the structure of the sequential liquid injection valve. A seal piston is tightly stuck with the main body of the blowout preventer by using of the pressure below the well, improves the effect of the sealing, and lightens the labor intensity for the mounting of the seal ring and the re-fixation of bolts. The utility model can automatically provide the hydraulic pressure for implementing the sequential operation of a locking pin and the flashboard shaft for the locking pins of the a main piston and a fastening device according to the sequence of the opening or closing of the blowout preventer. The remote control of the blowout preventer switch and the locking can be implemented and does not need to finish the locking work with the man power near to the blowout preventer.
Description
Technical field: a kind of preventer switch controlling device, be used for the switch control of oil and gas well drilling process wellhead blowout preventor, belong to the manufacturing technology field of well control equipment in the drilling process.
Background technology: in the prior art, the equipment that is used for the control of preventer switch is made of ram block switch plunger and lock screw bar, the sealing of preventer switch controlling device and preventer main body is realized by an O-ring seal, its control mode is: piston is after under the promotion of hydraulic pressure closing ram block, need withstand on the piston tail rod by manually the lock screw bar being screwed, the position of lock piston, so that preventing hydraulic coupling venting back piston returns, though prior art can reach the purpose of closing ram block and locking, but its shortcoming is: on sealing means, because its sealing realizes by sealing ring, so a plurality of king-bolts will be arranged by manually with preventer switch controlling device being fixed on the preventer main body tightly, so effort of very taking a lot of work, aspect control: the work that the lock screw bar be screwed and withstands on the piston tail rod must go operation to realize by artificial to the front of preventer, under urgent situation, perhaps in well, have under the situation of pernicious gas or liquid ejection, just be difficult to realize closing preventer and the work that is locked.
Goal of the invention: the utility model be to design a kind of by the ring packing piston realize between side door and the preventer self sealss, make ram block axle automatic locking or automatic unlocking, and therefore realize the automatic switch of preventer and the preventer switch controlling device of locking by order liquid-filling valve and structure thereof.
Embodiment: the utility model comprises a ring packing piston and switch liquid lock control device, and the ring packing piston is arranged in the annular groove of preventer switch controlling device front end, and ring leaves the space in it, and outer shroud and front end have seal groove; The tail end of switch liquid lock control device is provided with liquid lock device, and front end has main piston order liquid-filling valve, and there are main piston, main piston foot piece in the centre, and the tail end of locking device at liquid is provided with main piston foot piece viewer; Liquid lock device comprises locker piston order liquid-filling valve, latching ram, locking pin, and the locking pin of liquid lock device is a ramp structure towards the one side of main piston, can realize self-locking, and the middle part of locking pin has a hole; With the utility model with after the preventer main body is connected, the ring packing piston that sealing ring is housed just has been close on the preventer main body, when the pressure of down-hole produces pressure on ram block, pressure has also entered in the space that the ring packing piston reserves simultaneously, like this, well is pressed the ring packing piston is pushed on the preventer main body, and pressure is big more, thrust is big more, has so just reached the self sealss between preventer main body and this preventer switch controlling device; The flashboard locking of ram preventer and the oil cylinder oil circuit of release are in parallel with the oil cylinder oil circuit of flashboard switch, by being arranged on the main piston front end and being arranged on main piston order liquid-filling valve and locker piston order liquid-filling valve in the liquid lock device of its tail end, hydraulic coupling promotes main piston and locking pin according to the sequencing that flashboard opens or closes respectively, because the middle part of locking pin has a hole, so, when main piston is closed, the main piston foot piece can pass completely through locking pin and the inclined-plane of the pin that is locked compressing slowly, has so just reached the purpose of locking.
The utility model has the advantages that, packed-piston has been used down-hole pressure and by being attached on the preventer main body tightly, improved the effect of sealing, alleviated the labour intensity of sealing ring being installed and being retightened bolt, be provided with main piston order liquid-filling valve and locker piston order liquid-filling valve in the control, during work, can provide hydraulic coupling to finish the sequentially-operating of locking pin and flashboard axis for the locking pin of main piston and locker automatically according to the order that preventer opens or closes, and the Long-distance Control of realization preventer switch and locking, and no longer need the artificial work of in front of preventer, going to finish locking, make the staff no longer include the closely danger of operation.
Legend:
Fig. 1 is an assembly structure schematic diagram of the present utility model.
Fig. 2 is the cross section enlarged diagram of the utility model ring packing piston.
Fig. 3 is the structure for amplifying schematic diagram of the utility model figure order liquid-filling valve.
Specific implementation method: provide most preferred embodiment of the present utility model below in conjunction with accompanying drawing: the utility model comprises a ring packing piston 2 and switch liquid lock control device 18, ring packing piston 2 is arranged in the annular groove of switch liquid lock control device 18 front ends, ring leaves space 1 in it, and outer shroud and front end have seal groove 3 and 4; The tail end of switch liquid lock control device 18 is provided with liquid lock device 10, and front end inside is provided with main piston order liquid-filling valve 5, and the centre is provided with main piston 6, main piston foot piece 7, and the tail end of locking device 10 at liquid is provided with main piston foot piece viewer 11 and locking viewer 26; Liquid lock device 10 comprises locker piston order liquid-filling valve 13, locking pin 8, locking viewer 26, latching ram 9; Main piston order liquid-filling valve 5 and locker piston order liquid-filling valve 13 are same structure, comprise a valve body 22, valve piston 17, piston sleeve 23, valve piston 17 is arranged in the piston sleeve 23, hydraulic oil channel 24 is left in the centre of valve piston 17, the front end of piston sleeve 23 is provided with and stops up steel ball 15, spring 16 and aciculiform liquid injection hole 14, the both sides of piston sleeve 23 have main liquid injection hole 19, and piston sleeve 23 plays the purpose that opens or closes main liquid injection hole 19 moving up and down under the drive of valve piston 17 in valve body 22; Locking pin 8 is ramp structures towards the one side of main piston 6, and the middle part of locking pin 8 has a hole 12, and the power of locker piston order liquid-filling valve 13 and latching ram 9 is provided by the built-in fluid injection pipeline 25 that is arranged on switch liquid lock control device 18 inside; With the utility model with after the preventer main body is connected, the ring packing piston 2 that sealing ring is housed just has been close on the preventer main body, when the pressure of down-hole produces pressure on ram block, pressure has also entered in the space 1 that ring is reserved in the ring packing piston 2 simultaneously, owing in the outer shroud of ring packing piston 2 and the seal groove 3 and 4 of front end sealing ring 20 and 21 are arranged, so, behind the space 1 that ring is reserved in pressure enters, its reaction force can only be pushed ring packing piston 2 on the preventer main body to, pressure is big more, thrust is big more, has so just reached the self sealss between switch liquid lock control device 18 and the preventer main body; When the operation of closing preventer, hydraulic coupling can be led to back and the main piston order liquid-filling valve 5 and the locker piston order liquid-filling valve 13 of main piston 6 by hydraulic channel, at this moment, because main piston 6 is opened, therefore, main piston foot piece 7 is to be enclosed within the hole 12 at locking pin 8 middle parts; When hydraulic coupling is pushed ahead main piston 6 fast, also there is not to arrive the position that is opened owing to open the main liquid injection hole 19 of the piston sleeve 23 in locker piston order liquid-filling valve 13, therefore hydraulic oil can only be arranged to locking pin 8 by the aciculiform liquid injection hole 14 of front end, because the hydraulic oil that enters is very limited, therefore locking pin 8 can't promote forward, before main piston 6 continues to be pushed to, when soon reaching preceding dead point, main piston foot piece 7 has also worn out from the hole 12 of locking pin 8 fully, at this moment, the main liquid injection hole 19 that is arranged on piston sleeve 23 both sides in the locker piston order liquid-filling valve 13 also is opened under the drive of valve piston, hydraulic oil enters fast by main liquid injection hole 19 and promotes locking pin 8 upwards, because locking pin 8 is the structures on inclined-plane towards the one side of main piston 6, so, when locking pin 8 continues upwards, will prop up by afterbody tightly main piston foot piece 7, to reach the purpose of locking, the situation of locking can be read from the locking viewer 26 that is arranged on liquid lock device 10 tail ends; When locking pin 8 made progress, latching ram 9 was owing to there not being pressure to be pushed to the top; When main piston 6 is pushed ahead, stay hydraulic oil main piston aciculiform liquid injection hole 14 discharges of liquid-filling valve 5 in proper order by being arranged on main piston 6 front end inside earlier of main piston 6 front ends, when pressure when being arranged in the main piston order liquid-filling valve 5 spring 16 in the piston sleeve 23, the steel ball 15 of its front end is open, and a large amount of hydraulic oil will be discharged from by this passage; Carrying out preventer when opening operation, hydraulic oil can lead to the front end of main piston 6 by hydraulic channel, piston order liquid-filling valve 5, locker piston order liquid-filling valve 13 and latching ram 9, at this moment, because main piston 6 is closed, therefore, be locked pin 8 of main piston foot piece 7 pins, at this moment the hydraulic oil that enters piston order liquid-filling valve 5 can only inject main fluid cylinder slowly by the aciculiform liquid injection hole 14 of piston sleeve 23 front ends, and the oil duct of latching ram 9 is unimpeded, so hydraulic oil at first enters the top of latching ram 9, it is downward to promote latching ram 9, and drive locking pin 8 also moves down, at this moment, because being arranged on the main liquid injection hole 19 on piston sleeve 23 both sides in the locker piston order liquid-filling valve 13 opens, so staying the hydraulic oil of the inside can be discharged from fast, allow locking pin 8 downward, unclamp locking to main piston foot piece 7, when opening when aliging with main piston foot piece 7 in the hole 12 at locking pin 8 middle parts, main piston foot piece 7 can enter wherein under the promotion of main piston 6, at this moment, notes are opened to the main liquid injection hole 19 that the hydraulic oil of main piston order liquid-filling valve 5 also will be arranged on piston sleeve 23 both sides in the main piston order liquid-filling valve 5, hydraulic oil can enter the front end of main piston 6 fast, main piston 6 is withdrawed from backward, and open preventer, when main piston 6 arrives the dead point, back backward, can be read out by the tail end main piston foot piece viewer 11 that is arranged on locker 10.
Claims (1)
1. a preventer switch controlling device is made of ring packing piston and switch liquid lock control device, it is characterized in that:
A. described ring packing piston is arranged in the annular groove of switch liquid lock control device front end, and ring leaves the space in it, and outer shroud and front end have seal groove;
The tail end of b. described switch liquid lock control device is provided with liquid lock device, and front end inside is provided with main piston order liquid-filling valve, and the centre is provided with main piston, main piston foot piece, and the tail end of locking device at liquid is provided with main piston foot piece viewer and locking viewer;
C. described liquid lock device comprises locker piston order liquid-filling valve, locking pin, latching ram, locking pin is a ramp structure towards the one side of main piston, the middle part of locking pin has a hole, and the fluid injection pipeline of locker piston order liquid-filling valve and latching ram is arranged on the inside of switch liquid lock control device;
D. described main piston order liquid-filling valve and locker piston order liquid-filling valve comprise valve body, valve piston, piston sleeve, valve piston is arranged in the piston sleeve, hydraulic oil channel is left in the centre of valve piston, the front end of piston sleeve is provided with and stops up steel ball, spring and aciculiform liquid injection hole, and the both sides of piston sleeve have main liquid injection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420032530 CN2672283Y (en) | 2004-01-13 | 2004-01-13 | Controller of blowout preventer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420032530 CN2672283Y (en) | 2004-01-13 | 2004-01-13 | Controller of blowout preventer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2672283Y true CN2672283Y (en) | 2005-01-19 |
Family
ID=34483749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420032530 Expired - Lifetime CN2672283Y (en) | 2004-01-13 | 2004-01-13 | Controller of blowout preventer switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2672283Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121360A (en) * | 2010-12-31 | 2011-07-13 | 承德市开发区富泉石油机械有限公司 | Spring type gate locking mechanism |
| CN103380261A (en) * | 2011-02-03 | 2013-10-30 | T-3财产控股股份有限公司 | Blowout preventer translating shaft locking system |
| CN104847297A (en) * | 2015-04-30 | 2015-08-19 | 顾军锋 | Flashboard locking state display device of blowout preventer |
| CN108952618A (en) * | 2018-08-16 | 2018-12-07 | 濮阳市百福瑞德石油科技有限公司 | A kind of drilling well is anti-to put off device |
| CN113982520A (en) * | 2021-10-18 | 2022-01-28 | 中海石油(中国)有限公司 | Slag-proof cap for shallow underwater well head and Christmas tree |
-
2004
- 2004-01-13 CN CN 200420032530 patent/CN2672283Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121360A (en) * | 2010-12-31 | 2011-07-13 | 承德市开发区富泉石油机械有限公司 | Spring type gate locking mechanism |
| CN103380261A (en) * | 2011-02-03 | 2013-10-30 | T-3财产控股股份有限公司 | Blowout preventer translating shaft locking system |
| CN103380261B (en) * | 2011-02-03 | 2015-11-25 | T-3财产控股股份有限公司 | Preventer translation shaft locking system |
| CN104847297A (en) * | 2015-04-30 | 2015-08-19 | 顾军锋 | Flashboard locking state display device of blowout preventer |
| CN108952618A (en) * | 2018-08-16 | 2018-12-07 | 濮阳市百福瑞德石油科技有限公司 | A kind of drilling well is anti-to put off device |
| CN113982520A (en) * | 2021-10-18 | 2022-01-28 | 中海石油(中国)有限公司 | Slag-proof cap for shallow underwater well head and Christmas tree |
| CN113982520B (en) * | 2021-10-18 | 2023-09-26 | 中海石油(中国)有限公司 | Anti-slag caps for shallow water subsea wellheads and Christmas trees |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109630060B (en) | Repeatable non-killing well completion production string and construction method | |
| US9551200B2 (en) | Intensifier ram blowout preventer | |
| CN109209305B (en) | Intelligent plunger drainage and production device for gas well and construction method | |
| CN2672283Y (en) | Controller of blowout preventer switch | |
| CN108223816B (en) | Hydraulic drive pilot type emergency cut-off valve | |
| CN109538149A (en) | A kind of easy unjaming thin-walled big orifice expandable casing patching device | |
| CN206942804U (en) | A kind of novel hydropower punching operation machine | |
| CN102409994A (en) | Ram blowout preventer based on linear motor | |
| CN110952936A (en) | Power elevator and control method thereof | |
| CN205370540U (en) | Automatic ball injector of horizontal well separate stratum fracfturing | |
| CN2512899Y (en) | High pressure oil-gas water well operation device with pressure | |
| CN111706287B (en) | Quick rush-mounting device for hydraulic annular wellhead sleeve flange | |
| CN215408737U (en) | Automatic opening and closing device for blast well explosion door | |
| CN114198078A (en) | A nonlinear steerable infinite-order full-bore cementing sliding sleeve and its construction method | |
| CN203702068U (en) | Manual hydraulic single gate disc blowout preventer | |
| CN220791205U (en) | Pipe rod type oil pump and oil pumping system with same | |
| CN106640017A (en) | Horizontal well layering fracturing automatic ball injector | |
| CN108194050B (en) | Underground sliding sleeve opening method and device | |
| CN212614617U (en) | Hydraulic annular wellhead casing flange quick installing device | |
| CN210949951U (en) | Built-in hydraulic flat gate valve locking and manual control device of tubing head | |
| CN117090538A (en) | Injection and production integrated concentric pipe jet pump oil production device of motionless pipe column | |
| RU2523270C1 (en) | Well conversion method, including flooded wells, for operation with two production strings and device for its implementation | |
| CN208749694U (en) | A kind of hydraulic control reciprocating-type supercharger | |
| CN223689684U (en) | Ball throwing sliding sleeve | |
| CN220101205U (en) | Y-shaped joint of sliding sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140113 Granted publication date: 20050119 |
|
| CX01 | Expiry of patent term |