CN105089542A - Hydraulic self-locking quick-mounting blowout prevention device and method - Google Patents
Hydraulic self-locking quick-mounting blowout prevention device and method Download PDFInfo
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- CN105089542A CN105089542A CN201410192472.1A CN201410192472A CN105089542A CN 105089542 A CN105089542 A CN 105089542A CN 201410192472 A CN201410192472 A CN 201410192472A CN 105089542 A CN105089542 A CN 105089542A
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Abstract
The invention discloses a hydraulic self-locking quick-mounting blowout prevention device and method, wherein the blowout prevention device comprises a blowout preventer assembly, a central tube and a blowout prevention tube; the central tube is connected with the lower end of the blowout preventer assembly, the blowout prevention tube is branched from the central tube, and an upper flange plate is connected with the lower end of the central tube and correspondingly cooperates a wellhead lower flange plate. The blowout prevention device further comprises a space rotation fine-adjustment control mechanism and a hydraulic self-locking mechanism, wherein the space rotation fine-adjustment control mechanism is connected with the upper end of the blowout preventer assembly; the hydraulic self-locking mechanism sleeves the outer side of the central tube and hooks upwards and locks the wellhead lower flange plate, so that bolt-free quick clamping connection between the upper flange plate and the wellhead lower flange plate is achieved. According to the hydraulic self-locking quick-mounting blowout prevention device and method, no person is required to stand on a wellhead to mount a blowout preventer, and a blowout prevention device for the wellhead is quickly mounted by utilizing a mechanical manner, so as to win time for preventing blowout of an oil/gas production well.
Description
Technical field
The present invention relates to oil recovery (gas) well wellhead blowout preventer, especially a kind of hydraulic pressure self-locking Fast Installation blowout hookup.
Background technology
In oilfield development process, once there is gas blowout accident, environment pollution, the heavy losses of property will be caused, even personal injury.1972 ~ 2010 years, in front 15 major accidents in the whole world, blowout accounted for 50%, loses huge.Since the establishment of the nation, China's generation more than 1000 plays gas blowout accident; Chongqing Kaixian blowout on December 23 in 2003, be poisoned to death 243 people, injured more than 4000 people, resettlement people more than 100,000; Gas blowout accident, causes pollution in wide area and property loss.
At present, process gas blowout accident labour intensity is large, and it is long to rob the spray time; , easily there is personal injury in environment extreme danger.
Domestic also do not have comparatively ripe Fast Installation blowout hookup.
Summary of the invention
The object of the present invention is to provide hydraulic pressure self-locking Fast Installation blowout hookup and method, do not need people to stand in well head and install preventer, adopt the blowout hookup of mechanization Fast Installation well head, in order to recover the oil, (gas) well is robbed spray and is gained time.
In order to reach above-mentioned purpose, present invention employs following technical scheme, hydraulic pressure self-locking Fast Installation blowout hookup, comprise preventer assembly, central tube, blooie pipe, described preventer assembly lower end connects central tube, central tube top set goes out a blooie pipe, described central tube lower end connects a upper flange plate, this upper flange plate coordinates corresponding with well head lower flange, also comprise Space Rotating vernier control mechanism, the tight mechanism of hydraulic automatic locking, described preventer assembly upper end is connected with Space Rotating vernier control mechanism, a tight mechanism of hydraulic automatic locking is also socketed outside described central tube, this mechanism upwards catches on and locks well head lower flange, realize the non-bolt rapid card stressed joint of upper flange plate and well head lower flange.
Described Space Rotating vernier control mechanism is made up of bowl head and bulb, and above-mentioned both are hollow structure, are communicated with preventer assembly and central tube successively downwards, and it is inner that described bulb is placed in bowl head.
Described bulb is placed in the mutual Universal rotary of bowl head within, and rotary freedom is 1-2 ° of small angle rotation.
The tight mechanism of described hydraulic automatic locking comprises gland, hydraulic drive mechanism, locking jaw, described gland and hydraulic drive mechanism are enclosed within central tube simultaneously, described locking jaw upper end thereof is on gland, lower end is provided with the hook of inside lateral bending, and the hydraulic drive mechanism be positioned at below gland drives locking jaw to move up and down.
Described hydraulic drive mechanism comprises cylinder sleeve, piston, arranges piston in described cylinder sleeve, and the cylinder bore wall being positioned at the upper and lower both sides of piston offers liquid inlet/outlet and lower liquid inlet/outlet respectively, and described cylinder sleeve upper and lower side is respectively arranged with fairlead and lower fairlead.
Between described piston and cylinder sleeve, sealing ring is set, between described upper and lower fairlead and central tube, is also provided with sealing ring.
Self-locking fluid cylinder is also connected with between described locking jaw front end and gland, described self-locking fluid cylinder one end is hinged on gland longitudinal end, the other end is hinged on locking jaw front end outer side, and described self-locking fluid cylinder makes the radial convergent-divergent of locking jaw freely, thus realizes locking jaw smoothly by well head lower flange.
Described upper flange plate is enclosed within flange socket, and flange socket is connected to central tube front end, and in flange socket, side-lower is connected with centering guide head, realizes the automatic positioning and guiding of central tube.
In order to reach another object above-mentioned, present invention employs following technical scheme, hydraulic pressure self-locking Fast Installation blowout prevention method, its step is, when blowout, when above for well up flange dish device is removed, the lifting of hydraulic pressure self-locking Fast Installation blowout hookup to well head, the automatic positioning and guiding of central tube is realized by centering guide head, by its guided placement above lower flange, if upper lower flange is not parallel and when misaligning, adjust the Space Rotating vernier control mechanism be made up of bowl head and bulb, make that lower flange is parallel, centering; Suppress from lower inlet opening, hydraulic cylinder is descending, and the guiding self-locking system driving gland, locking jaw, self-locking fluid cylinder to form is descending, automatic guide, smoothly by lower flange, when continuing to come downwards to below lower flange, locking jaw automatic drawing back, at this moment, suppress from upper inlet opening, promote hydraulic cylinder up, locking jaw locking lower flange, in realization, the non-bolt of lower flange is in clamping connection, and finally closes preventer assembly, realizes quick blowout prevention.
Compared to prior art, the present invention has following beneficial effect:
The present invention is that one is applicable to recover the oil (gas) well blowout when robbing spray, realizes well head Fast Installation blowout hookup.With when solving oil (gas) well blowout, when well head can not go up people, Fast Installation blowout control device, realizes blowout prevention.Space Rotating vernier control mechanism, the problem of upper lower flange not parallel and centering when solving dress well head; Preventer assembly, blooie pipe realize shunting in a well and providing well-flushing passage; Centering guide head realizes the automatic positioning and guiding of central tube; Locking jaw realizes flange automatic guide; Hydraulic locking mechanism, locking jaw realize the non-bolt rapid card stressed joint of this device and well head lower flange, thus realize Quick blowout control.
The Space Rotating vernier control mechanism be made up of bowl head and bulb, hollow ball head joint is adopted to connect, rotating mechanism implementation space certain angle rotary fine adjustment, carry out the spacing of the anglec of rotation, around the rotary freedom 1-2 ° small angle rotation of three axles, the problem of upper lower flange not parallel and centering when solving dress well head.
Gland adopts hinged connection with self-locking fluid cylinder upper end and locking jaw upper end, self-locking fluid cylinder lower end also adopts hinged connection with locking jaw lower end, the guiding self-locking system that gland forms with self-locking fluid cylinder and locking jaw, the radial convergent-divergent of locking jaw can be made freely, thus realizing flange automatic guide, locking jaw passes through lower flange smoothly.Centering guide head realizes central tube positioning and guiding.
Piston rod is welded on central tube, and forms movable sealing between cylinder sleeve; Upper and lower fairlead adopts with cylinder sleeve and is threaded, and forms movable sealing respectively and between central tube; Cylinder sleeve respectively has one to enter (going out) fluid apertures up and down; The hydraulic system that upper and lower fairlead, piston rod and cylinder sleeve form, can make locking jaw move up and down and radial convergent-divergent, realizes the non-bolt rapid card stressed joint with lower flange.
Upper flange joint and central tube are for being threaded, and upper flange plate is sleeved on upper flange joint, and upper flange joint lower end and centering guide head are for being threaded, and flange is rotatable, conveniently realize the docking of upper and lower flange plate bolt hole.
Accompanying drawing explanation
Fig. 1 is the structure chart of hydraulic pressure self-locking Fast Installation blowout hookup of the present invention.
In figure: 1, bowl head, 2, bulb, 3, preventer assembly, 4, blooie pipe, 5, gland, 6, sealing ring, 7, upper fairlead, 8, upper liquid inlet/outlet, 9, piston, 10, cylinder sleeve, 11, lower liquid inlet/outlet, 12, lower fairlead, 13, central tube, 14, locking jaw, 15, self-locking fluid cylinder, 16, upper flange plate, 17, flange socket, 18, centering guide head.
Detailed description of the invention
Detailed description for the present invention and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the present invention.
As shown in Figure 1, hydraulic pressure self-locking Fast Installation blowout hookup, comprise preventer assembly 3, central tube 13, blooie pipe 4, described preventer assembly lower end connects central tube, central tube top set goes out a blooie pipe, described central tube lower end connects a upper flange plate 16, this upper flange plate coordinates corresponding with well head lower flange, also comprise Space Rotating vernier control mechanism, the tight mechanism of hydraulic automatic locking, described preventer assembly upper end is connected with Space Rotating vernier control mechanism, a tight mechanism of hydraulic automatic locking is also socketed outside described central tube, this mechanism upwards catches on and locks well head lower flange, realize the non-bolt rapid card stressed joint of upper flange plate and well head lower flange.Described Space Rotating vernier control mechanism is made up of bowl 1 and bulb 2, and above-mentioned both are hollow structure, are communicated with preventer assembly and central tube successively downwards, and it is inner that described bulb is placed in bowl head.Described bulb is placed in the mutual Universal rotary of bowl head within, and rotary freedom is 1-2 ° of small angle rotation.Described upper flange plate is enclosed within flange socket 17, and flange socket is connected to central tube front end, and in flange socket, side-lower is connected with centering guide head 18, realizes the automatic positioning and guiding of central tube.
The tight mechanism of described hydraulic automatic locking comprises gland 5, hydraulic drive mechanism, locking jaw 14, described gland and hydraulic drive mechanism are enclosed within central tube simultaneously, described locking jaw upper end thereof is on gland 5, lower end is provided with the hook of inside lateral bending, and the hydraulic drive mechanism be positioned at below gland drives locking jaw to move up and down.Described hydraulic drive mechanism comprises cylinder sleeve 10, piston 9, in described cylinder sleeve, piston is set, the cylinder bore wall being positioned at the upper and lower both sides of piston offers liquid inlet/outlet 8 and lower liquid inlet/outlet 11 respectively, and described cylinder sleeve upper and lower side is respectively arranged with fairlead 7 and lower fairlead 12.Between described piston and cylinder sleeve, sealing ring is set, between described upper and lower fairlead and central tube, is also provided with sealing ring 6.Self-locking fluid cylinder 15 is also connected with between described locking jaw front end and gland, described self-locking fluid cylinder one end is hinged on gland longitudinal end, the other end is hinged on locking jaw front end outer side, and described self-locking fluid cylinder makes the radial convergent-divergent of locking jaw freely, thus realizes locking jaw smoothly by well head lower flange.
Centering guide head 18, by this device positioning and guiding, is put on well head lower flange.The Space Rotating vernier control mechanism be made up of bowl 1 and bulb 2, hollow ball head joint is adopted to connect, this mechanism's implementation space certain angle rotary fine adjustment, carry out the spacing of the anglec of rotation, around the rotary freedom 1-2 ° small angle rotation of three axles, the problem of upper lower flange not parallel and centering when solving dress well head.
The system that gland 5 forms with self-locking fluid cylinder 15 and locking jaw 14, makes the radial convergent-divergent of locking jaw 14 freely, thus realizes flange automatic guide, and locking jaw 14 is smoothly by well head lower flange.Upper fairlead 7, piston rod 9, lower fairlead 12 form hydraulic system with cylinder sleeve 10, and suppress from the lower liquid inlet/outlet 11 cylinder sleeve 10, hydraulic system is descending, and locking jaw 14 moves down, by automatic drawing back after well head lower flange; From cylinder sleeve 10, liquid inlet/outlet 8 is suppressed, and hydraulic system is up, and locking jaw 14 moves up, and realizes the non-bolt rapid card stressed joint with well head lower flange.After flange and well head lower flange connect, close preventer assembly 3, realize quick blowout prevention.
The Fast Installation Technics of Prevention of Well Blowout of hydraulic pressure self-locking Fast Installation blowout hookup is:
When blowout, when above for well up flange dish device is removed, the lifting of hydraulic pressure self-locking Fast Installation blowout hookup to well head, the automatic positioning and guiding of central tube is realized by centering guide head, by its guided placement above lower flange, if upper lower flange is not parallel and when misaligning, adjust the Space Rotating vernier control mechanism be made up of bowl head and bulb, make that lower flange is parallel, centering.Suppress from lower inlet opening, hydraulic cylinder is descending, and the guiding self-locking system driving gland, locking jaw, self-locking fluid cylinder to form is descending, automatic guide, smoothly by lower flange, when continuing to come downwards to below lower flange, locking jaw automatic drawing back, at this moment, suppress from upper inlet opening, promote hydraulic cylinder up, locking jaw locking lower flange, in realization, the non-bolt of lower flange is in clamping connection, and finally closes preventer assembly, realizes quick blowout prevention.Blowout preventer, blooie pipe realize shunting in a well and providing well-flushing passage.
The foregoing is only preferred embodiment of the present invention, be not used to limit the scope of the claims of the present invention, other use the equivalence of patent spirit of the present invention to change, and all should all belong to the scope of the claims of the present invention.
Claims (9)
1. hydraulic pressure self-locking Fast Installation blowout hookup, comprise preventer assembly, central tube, blooie pipe, described preventer assembly lower end connects central tube, central tube top set goes out a blooie pipe, described central tube lower end connects a upper flange plate, this upper flange plate coordinates corresponding with well head lower flange, it is characterized in that, also comprise Space Rotating vernier control mechanism, the tight mechanism of hydraulic automatic locking, described preventer assembly upper end is connected with Space Rotating vernier control mechanism, a tight mechanism of hydraulic automatic locking is also socketed outside described central tube, this mechanism upwards catches on and locks well head lower flange, realize the non-bolt rapid card stressed joint of upper flange plate and well head lower flange.
2. hydraulic pressure self-locking Fast Installation blowout hookup according to claim 1, it is characterized in that, described Space Rotating vernier control mechanism is made up of bowl head and bulb, and above-mentioned both are hollow structure, be communicated with preventer assembly and central tube successively downwards, it is inner that described bulb is placed in bowl head.
3. hydraulic pressure self-locking Fast Installation blowout hookup according to claim 2, is characterized in that, described bulb is placed in the mutual Universal rotary of bowl head within, and rotary freedom is 1-2 ° of small angle rotation.
4. hydraulic pressure self-locking Fast Installation blowout hookup according to claim 1, it is characterized in that, the tight mechanism of described hydraulic automatic locking comprises gland, hydraulic drive mechanism, locking jaw, described gland and hydraulic drive mechanism are enclosed within central tube simultaneously, described locking jaw upper end thereof is on gland, lower end is provided with the hook of inside lateral bending, and the hydraulic drive mechanism be positioned at below gland drives locking jaw to move up and down.
5. hydraulic pressure self-locking Fast Installation blowout hookup according to claim 4, it is characterized in that, described hydraulic drive mechanism comprises cylinder sleeve, piston, in described cylinder sleeve, piston is set, the cylinder bore wall being positioned at the upper and lower both sides of piston offers liquid inlet/outlet and lower liquid inlet/outlet respectively, and described cylinder sleeve upper and lower side is respectively arranged with fairlead and lower fairlead.
6. hydraulic pressure self-locking Fast Installation blowout hookup according to claim 5, is characterized in that, arrange sealing ring between described piston and cylinder sleeve, be also provided with sealing ring between described upper and lower fairlead and central tube.
7. hydraulic pressure self-locking Fast Installation blowout hookup according to claim 4, it is characterized in that, self-locking fluid cylinder is also connected with between described locking jaw front end and gland, described self-locking fluid cylinder one end is hinged on gland longitudinal end, the other end is hinged on locking jaw front end outer side, described self-locking fluid cylinder makes the radial convergent-divergent of locking jaw freely, thus realizes locking jaw smoothly by well head lower flange.
8. hydraulic pressure self-locking Fast Installation blowout hookup according to claim 1, it is characterized in that, described upper flange plate is enclosed within flange socket, and flange socket is connected to central tube front end, in flange socket, side-lower is connected with centering guide head, realizes the automatic positioning and guiding of central tube.
9. hydraulic pressure self-locking Fast Installation blowout prevention method, its step is, when blowout, when being removed by above for well up flange dish device, the lifting of hydraulic pressure self-locking Fast Installation blowout hookup to well head, realize the automatic positioning and guiding of central tube by centering guide head, by its guided placement above lower flange, if upper lower flange is not parallel and when misaligning, adjust the Space Rotating vernier control mechanism be made up of bowl head and bulb, make that lower flange is parallel, centering; Suppress from lower inlet opening, hydraulic cylinder is descending, and the guiding self-locking system driving gland, locking jaw, self-locking fluid cylinder to form is descending, automatic guide, smoothly by lower flange, when continuing to come downwards to below lower flange, locking jaw automatic drawing back, at this moment, suppress from upper inlet opening, promote hydraulic cylinder up, locking jaw locking lower flange, in realization, the non-bolt of lower flange is in clamping connection, and finally closes preventer assembly, realizes quick blowout prevention.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410192472.1A CN105089542B (en) | 2014-05-09 | 2014-05-09 | Hydraulic pressure self-locking Fast Installation blowout hookup and method |
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| CN201410192472.1A CN105089542B (en) | 2014-05-09 | 2014-05-09 | Hydraulic pressure self-locking Fast Installation blowout hookup and method |
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| CN105089542A true CN105089542A (en) | 2015-11-25 |
| CN105089542B CN105089542B (en) | 2018-10-16 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121573A (en) * | 2016-07-20 | 2016-11-16 | 中国石油天然气股份有限公司 | A kind of thermal recovery steel wire blowout hookup |
| CN109281633A (en) * | 2018-12-13 | 2019-01-29 | 美钻深海能源科技研发（上海）有限公司 | A kind of preventer group assembly method and tooling for protecting metal sealing cushion ring |
| CN109339730A (en) * | 2018-12-13 | 2019-02-15 | 美钻深海能源科技研发（上海）有限公司 | A kind of test blind flange and preventer encapsulating method for protecting metal sealing cushion ring |
| CN114542004A (en) * | 2022-01-11 | 2022-05-27 | 中海油能源发展股份有限公司 | Adjustable guide pipe tool for installing rotary blowout preventer on wellhead of offshore platform diverter |
| CN114635662A (en) * | 2021-10-26 | 2022-06-17 | 中国石油天然气集团有限公司 | Rotary blowout preventer and system capable of monitoring rubber core state and preventing drilling fluid from overflowing |
| CN114856481A (en) * | 2022-03-08 | 2022-08-05 | 江苏恒达机械制造有限公司 | Oil recovery well head blowout preventer convenient to installation |
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| US4632432A (en) * | 1984-05-09 | 1986-12-30 | Gripper, Inc. | Remote ball connector |
| CN101550812A (en) * | 2009-05-09 | 2009-10-07 | 中国石化股份胜利油田分公司河口采油厂 | Blowout dealing workover rig |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121573A (en) * | 2016-07-20 | 2016-11-16 | 中国石油天然气股份有限公司 | A kind of thermal recovery steel wire blowout hookup |
| CN109281633A (en) * | 2018-12-13 | 2019-01-29 | 美钻深海能源科技研发（上海）有限公司 | A kind of preventer group assembly method and tooling for protecting metal sealing cushion ring |
| CN109339730A (en) * | 2018-12-13 | 2019-02-15 | 美钻深海能源科技研发（上海）有限公司 | A kind of test blind flange and preventer encapsulating method for protecting metal sealing cushion ring |
| CN114635662A (en) * | 2021-10-26 | 2022-06-17 | 中国石油天然气集团有限公司 | Rotary blowout preventer and system capable of monitoring rubber core state and preventing drilling fluid from overflowing |
| CN114635662B (en) * | 2021-10-26 | 2024-02-06 | 中国石油天然气集团有限公司 | Rotary blowout preventer capable of monitoring rubber core state and preventing drilling fluid from overflowing and system |
| CN114542004A (en) * | 2022-01-11 | 2022-05-27 | 中海油能源发展股份有限公司 | Adjustable guide pipe tool for installing rotary blowout preventer on wellhead of offshore platform diverter |
| CN114856481A (en) * | 2022-03-08 | 2022-08-05 | 江苏恒达机械制造有限公司 | Oil recovery well head blowout preventer convenient to installation |
| CN114856481B (en) * | 2022-03-08 | 2023-09-08 | 安塞祥和工贸有限责任公司 | Oil recovery well head blowout preventer convenient to installation |
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| CN105089542B (en) | 2018-10-16 |
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