CN102817571A - Blowout-prevention tool string of belt pressure energy storage well repairing machine - Google Patents
Blowout-prevention tool string of belt pressure energy storage well repairing machine Download PDFInfo
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- CN102817571A CN102817571A CN2012103249591A CN201210324959A CN102817571A CN 102817571 A CN102817571 A CN 102817571A CN 2012103249591 A CN2012103249591 A CN 2012103249591A CN 201210324959 A CN201210324959 A CN 201210324959A CN 102817571 A CN102817571 A CN 102817571A
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Abstract
The invention discloses a spraying-prevention tool string of a belt pressure energy storage well repairing machine, and the blowout-prevention tool string of the belt pressure energy storage well repairing machine is matched with a belt pressure energy storage well repair machine. The tool string comprises a four-ram blowout preventer, a shearing blowout preventer, a balancing device, an emptying device and a dual-ram blowout preventer; and the emptying device is connected with a sewage discharge pipeline. The tool string is sequentially connected with a rotary mechanism, a manual centering guide, the four-ram blowout preventer, a connecting platform short joint, the shearing blowout preventer, an annular blowout preventer, a lifting short joint, the balancing device, the emptying device and the dual-ram blowout preventer from bottom to top; and one end of the balancing pipeline is connected with the balancing device, and the other end of the balancing pipeline is connected with the rotary mechanism. The rotary mechanism enables the tool string to be strung on a part at any angle and to align with a well opening; when the manual centering device discharges a pipe column, the pipe column can be centered to the center of the well opening, and the manual centering device has an anti-clamping effect; and the blowout preventer is provided with a secondary seal structure, the secondary seal structure is not only convenient to operate, but also can reduce the pollution to the environment at the same time; and the service life of a device is prolonged, and the production cost is lowered.
Description
Technical field
The band that the present invention relates to oil well is pressed the well workover control appliance, and particularly a kind of band is pressed energy-storing workover rig blowout prevention tool string, presses energy-storing workover rig to be used with band.
Background technology
Band presses well workover blowout prevention tool string to be got up by various blowout prevention instruments connection successively, is installed to different types of preventer combination together, has formed the blowout prevention tool string.Be a kind of under the situation that does not discharge the strata pressure in the pit shaft, carry out in the workover treatment process, guarantee the requisite security tool that oil sets annular space pressure does not leak at band pressure condition profit gas well.Band presses well workover blowout prevention tool string to be used widely now; But at present the assembled arrangement of blowout prevention tool string has nothing in common with each other in proper order, but its main compound mode is: 1, from bottom to up successively connection comprise full envelope and half envelope double ram type preventer, is connected two instead pressurize oil cylinders and job platform crossbeam short circuit, the double ram type preventer that comprises half envelope, safety slip, annular preventers, is connected rising pipe nipple, annular preventer, stationary slip, the traveling slip of open flow valve; 2, from top to bottom successively connection comprise full envelope and half envelope and safety slip triple ram preventer, is connected two oil cylinders that instead pressurize with job platform crossbeam short circuit, partly seal preventer, be connected the rising four-way of balance and atmospheric valve, partly seal preventer, annular preventer, rising pipe nipple, stationary slip, traveling slip.Above-mentioned blowout prevention tool string ubiquity well head installing and locating difficulty, the well head operating platform is too high shortcoming such as is inconvenient to operate.And the side door oil cylinder of all preventers does not all design secondary seal mechanism, so after side door oil cylinder and the damage of preventer body seal, well liquid can get into hydraulic system through the seal that damages, and causes security incident.When changing seal, can only emit spray to change seal, unfavorable in safety in production, also the well site is polluted.So pressing the combination of well workover blowout prevention tool string to keep the safety in production, band also to be convenient to work-over operation.
Summary of the invention
The purpose of this invention is to provide a kind of band and press energy-storing workover rig blowout prevention tool string, overcome existing blowout prevention tool string in well head installing and locating difficulty, blowout preventer seal is changed the defective of difficulty in operation process, presses energy-storing workover rig to be used with band.Make it in workover treatment, play blowout prevention and safeguard protection effect, not only can guarantee safe production, also be convenient to workover treatment.
Technical solution of the present invention is: a kind of band presses energy-storing workover rig blowout prevention tool string to comprise four ram preventers, shear preventer, bascule, emptying device and double ram type preventer, is connected to blowdown pipeline on the emptying device.This tool string connects rotating mechanism, manual centralizer, four ram preventers from bottom to top successively, connects the platform pipe nipple, shears preventer, annular preventer, rising pipe nipple, bascule, emptying device and double ram type preventer; Balance pipeline one end is connected with bascule, and the other end is connected with rotating mechanism.Rotating mechanism can make this tool string in that position and well head align at any angle.Manually centralizer can be set upright tubing string to the well head center in lower tubular column, has the anti-sticking effect.Four ram preventers, shearing preventer and double ram type preventer are equipped with secondary seal mechanism.
Compared with prior art, remarkable result of the present invention is: the rotating mechanism among the present invention can make this tool string align at position and well head at any angle, and is easy to operate.Manually centralizer can be set upright tubing string to the well head center in lower tubular column, has the anti-sticking effect.Being installed in nethermost in four ram preventers is safety half envelope; When the seal of any preventer above it, slips, when damaging appears in parts; Just can in time change as long as close this safety half envelope, the collocation of its erection sequence and various preventers is reasonable.And first envelope in the double ram type preventer and the distance between second envelope in four ram preventers reach more than 3 meters, are enough to pour out long downhole tool, have made things convenient for removing of downhole tool.The various preventers of installing among the present invention all are provided with primary seal and back-up seal except that annular preventer, possess the function of secondary seal.The sealing condition of seal can be conveniently observed in the detection hole of designing on the side door oil cylinder especially, can in time understand sealing condition, in time change, and prevents contaminated environment, prevents that well liquid from mixing with hydraulic oil liquid, protection hydraulic pressure workover rig.The hydraulic oil outflow is avoided in the replacing of parts such as ram block, slips and seal for ease, and the present invention on preventer, has used its side door oil cylinder of hydraulic hose connection to open hydraulic fluid port and the side door oil cylinder is closed hydraulic fluid port, has made things convenient for the maintenance operation of production scene.The present invention is not only easy to operate, can reduce environment pollution simultaneously, prolongs the application life of equipment, reduces production costs.
Description of drawings
Fig. 1 is a mounting structure sketch map of the present invention.
Among the figure: sewage reservoir 1, rotating mechanism 2, rotary flange 2-1, upper flange 2-2, balance pipeline 3, manually centralizer 4, four ram preventers 5, safety partly seal 5-1, safety slip 5-2, entirely seal 5-3, second envelope 5-4, connect platform pipe nipple 6, shear preventer 7, blowdown pipeline 8, annular preventer 9, rising pipe nipple 10, bascule 11, emptying device 12, double ram type preventer 13, slips 13-1, first envelope 13-2
Fig. 2 is for shearing the structural representation of preventer among the present invention.
Among the figure: body 7-1, side door oil cylinder 7-2, hydraulic hose 7-3
Fig. 3 is for shearing the structural representation of side door of blowout preventer oil cylinder.
Among the figure: detection hole pin 7-2-1, side door oil cylinder body 7-2-2, detection hole 7-2-3, primary seal 7-2-4, the axis of the piston 7-2-5, back-up seal 7-2-6, balance port 7-2-7, cylinder seal spare 7-2-8, locking screw mandrel 7-2-9, gland 7-2-10, stop pin 7-2-11, side door oil cylinder are opened hydraulic fluid port 7-2-12, the side door oil cylinder is closed hydraulic fluid port 7-2-13
Fig. 4 is that the A-A of side door oil cylinder body is to cross section view.
Among the figure: balance port 7-2-7, side door oil cylinder body 7-2-2, piston component 7-2-5
Fig. 5 is the surface structure sketch map of Fig. 3.
Among the figure: gland 7-2-10
The specific embodiment
For further disclosing technical scheme of the present invention, elaborate below in conjunction with Figure of description.
A kind of band is pressed energy-storing workover rig blowout prevention tool string to comprise four ram preventers 5, is sheared preventer 7, bascule 11 and double ram type preventer 13; This tool string connect successively from bottom to top rotating mechanism 2, manually centralizer 4, four ram preventers 5, connect platform pipe nipple 6, shear preventer 7, annular preventer 9, rising pipe nipple 10, bascule 11, emptying device 12 and double ram type preventer 13; Balance pipeline 3 one ends are connected with bascule 11, and the other end is connected with rotating mechanism 2; Four ram preventers 5, shear preventer 7 and double ram type preventer 13 is equipped with secondary seal mechanism.Be connected to blowdown pipeline 8 on the emptying device 12.Rotating mechanism 2 comprises rotary flange 2-1 and upper flange 2-2,
Upper flange 2-2Body be provided with the balance pipe line interface, be connected with balance pipeline 3 through pipe fitting, rotary flange 2-1 is threaded with upper flange 2-2.Rotary flange 2-1 in the rotating mechanism 2 is threaded with upper flange 2-2, and its function is can any angular position align well head, thereby avoids the restriction of factor such as well site size to equipment; Manual centralizer 4 among Fig. 1, when being lower tubular column, because the borehole pressure effect makes the tubing string distortion depart from the well head center, its function is set upright tubing string to well head center anti-sticking exactly.Four ram preventers 5 comprise that safety partly seals 5-1, safety slip 5-2, seals 5-3 and second envelope 5-4 entirely, install successively from bottom to top.Double ram type preventer 13 comprises slips 13-1 and first envelope 13-2, installs successively from bottom to top.The distance that first envelope 13-2 partly seals between the 5-1 to safety is set between the 3.m-3.8m.Four ram preventers 5 have been installed safety from bottom to top and are partly sealed 5-1, safety slip 5-2, seal 5-3, second envelope 5-4 entirely among Fig. 1; The effect that safety is partly sealed 5-1 is in the well workover process; When damaging appears in the some or a plurality of seals on it in all preventers, the slips; Only need closed safe partly to seal 5-1, can keep in repair above preventer, slips.When the effect of safety slip 5-2 was the clamping that the appearance of the tooth sheet among slips 13-1 wearing and tearing can not be safe and reliable in the double ram type preventer 13, closed safe slips 5-2 can change the tooth sheet among the slips 13-1; Under the situation that full effect of sealing 5-3 is a no tubing string in the well well head is sealed; Second envelope 5-4 is work half envelope, and first envelope 13-2 in main and the double ram type preventer 13 is used, and pours out string collar and instrument, and it is enough to pour out long downhole tool apart from having reached 3.2m-3.8m.Connect platform pipe nipple 6 among Fig. 1, its major function is to press the workover platform of energy-storing workover rig to be connected with band.Shearing preventer 7 among Fig. 1, its major function are to press in the well workover process at band, and the cut-out oil pipe that extreme cases such as the interior blowout hookup catastrophic failure in tubing string can be taked is down realized envelope entirely, thereby avoids serious accident to take place.Annular preventer 9 among Fig. 1, its major function are the sealings that realizes the arbitrary section shape from zero to channel diameter.Rising pipe nipple 10 among Fig. 1, its significant feature are that bascule 11 and emptying device 12 are installed, and wherein the effect of bascule 11 is in playing lower tubular column reverse graft hoop process; During second envelope 5-4 that will be through closing; 13-2 closes with first envelope, closes emptying device 12 simultaneously, opens bascule 11; Pressure in the well will form equilibrium pressure through the both sides up and down of bascule 11 second envelope 5-4 in four ram preventers 5, and seal damages when preventing second envelope of switch 5-4.Aforesaid operations can prevent that also switch safety from partly sealing 5-1, sealing 5-3 and the damage of seal when shearing preventer 7 entirely.When tubing coupling will be through closing first envelope 13-2 the time, at first close second envelope 5-4, close bascule 11, open emptying device 12 then.At this moment, put in the pit shaft and press a spot of well liquid well liquid to be guided in the sewage reservoir 1, make first envelope 13-2 not have equilibrium in both sides up and down through the blowdown pipeline 8 that links to each other with emptying device 12
, Open first envelope 13-2, string collar is promptly pourable.Fig. 2 is the shearing preventer 7 among the present invention, is that example is described the improvement to each side door of blowout preventer oil cylinder and preventer body three oil canals to shear preventer 7, sets forth the structure of side door of blowout preventer oil cylinder.Referring to Fig. 2 and Fig. 4; Four ram preventers 5 are identical with shearing preventer 7 structures with double ram type preventer 13; Shear preventer 7 and comprise preventer body 7-1 and side door oil cylinder 7-2; Preventer body 7-1 is connected with side door oil cylinder 7-2 through bolt, is provided with two three oil canals up and down among the preventer body 7-1, and three hydraulic fluid ports of every three oil canal are all outside preventer body 7-1; The middle hydraulic fluid port of every three oil canal is communicated with hydraulic system, and the hydraulic fluid port on both sides is communicated with the side door oil cylinder 7-2 of preventer body 7-1 both sides through hydraulic hose 7-3 respectively.Side door oil cylinder 7-2 comprises side door oil cylinder body 7-2-2, piston component 7-2-5, gland 7-2-10 and stop pin 7-2-11; Locking screw mandrel 7-2-9 middle part is provided with at a distance from platform; The rear end is provided with pin shaft hole, and its front end is threaded with piston component 7-2-5, and stop pin 7-2-11 is equipped with in its rear end; The housing both sides of gland 7-2-10 are provided with sliding tray, and stop pin 7-2-11 can slide in this sliding tray; Side door oil cylinder body 7-2-2 is provided with that the side door oil cylinder is opened hydraulic fluid port 7-2-12 and the side door oil cylinder is closed hydraulic fluid port 7-2-13.The hydraulic fluid port on one three oil canal both sides is opened hydraulic fluid port 7-2-12 through hydraulic hose 7-3 with two side door oil cylinders and is communicated with above the preventer body 7-1, and the hydraulic fluid port on another three oil canals both sides is closed hydraulic fluid port 7-2-13 through hydraulic hose 7-3 with two side door oil cylinders and is communicated with.Its function is that hydraulic oil can not flow out when changing inner flashboard of each preventer or seal, avoids waste and on-the-spot pollute
.Referring to Fig. 3 and Fig. 5; Side door oil cylinder 7-2 comprises side door oil cylinder body 7-2-2, piston component 7-2-5, gland 7-2-10 and stop pin 7-2-11; Locking screw mandrel 7-2-9 middle part is provided with at a distance from platform; The rear end is provided with pin shaft hole, and its front end is threaded with piston component 7-2-5, and stop pin 7-2-11 is equipped with in its rear end; The housing both sides of gland 7-2-10 are provided with sliding tray, and stop pin 7-2-11 can slide in this sliding tray.The screw thread that has guaranteed locking screw mandrel 7-2-9 and piston component 7-2-5 does not rotate, with regard to guaranteed in operation process can be owing to the setback button causes the various ram preventer generation switches situation not in place among the present invention yet.Referring to Fig. 3 and Fig. 4; Four ram preventers 5, the secondary seal mechanism that shears preventer 7 and double ram type preventer 13 comprise primary seal 7-2-4, back-up seal 7-2-6 and the cylinder seal spare 7-2-8 that is arranged on the side door oil cylinder body 7-2-2, on the side door oil cylinder body 7-2-2 between back-up seal 7-2-6 and the cylinder seal spare 7-2-8, are provided with balance port 7-2-7; On the side door oil cylinder body 7-2-2 between primary seal 7-2-4 and the back-up seal 7-2-6, be provided with and detect hole 7-2-3, the external port of 7-2-3 is equipped with and detects hole pin 7-2-1 in this detection hole.Fig. 3 is a side door cylinder part sketch map, and wherein after primary seal 7-2-4 damaged, detection hole 7-2-3 just had the well flow and goes out; As being inconvenient to change seal in the operation process; Only need to detect hole pin 7-2-1 and tighten, back-up seal 7-2-6 works, and can realize secondary seal.Between cylinder seal spare 7-2-8 and back-up seal 7-2-6, be provided with balance port 7-2-7; One of its effect is to guarantee seal one side atmospheric pressure state; If after back-up seal 7-2-6 damages on the other hand, can well liquid and fluid be kept apart, prevent that hydraulic system from being polluted.When balance port 7-2-7 has liquid to flow out, must partly seal 5-1 by closed safe, change the seal that damages.Piston component 7-2-5 one end links to each other with flashboard in the preventer body 7-1, and the other end links to each other with locking screw mandrel 7-2-9 through screw thread, and locking screw mandrel 7-2-9 is the multidiameter shape, and the other end has pin shaft hole.Split sliding tray on the gland 7-2-10, sliding tray and 7-2-9 that stop pin 7-2-11 passes on the gland 7-2-10 lock the pin shaft hole on the leading screw, and nut is installed at two ends, have guaranteed that the screw thread of locking screw mandrel 7-2-9 and piston component 7-2-5 does not rotate.
Claims (10)
1. a band is pressed energy-storing workover rig blowout prevention tool string; Comprise four ram preventers (5), shear preventer (7), bascule (11) and double ram type preventer (13); It is characterized in that; This tool string connects rotating mechanism (2), manual centralizer (4), four ram preventers (5) from bottom to top successively, connects platform pipe nipple (6), shears preventer (7), annular preventer (9), rising pipe nipple (10), bascule (11), emptying device (12) and double ram type preventer (13); Balance pipeline (3) one ends are connected with bascule (11), and the other end is connected with rotating mechanism (2); Four ram preventers (5), shearing preventer (7) and double ram type preventer (13) are equipped with secondary seal mechanism.
2. a kind of band according to claim 1 is pressed energy-storing workover rig blowout prevention tool string, it is characterized in that described rotating mechanism (2) comprises rotary flange (2-1) and upper flange (2-2), upper flange (2-2)
ThisBody is provided with the balance pipe line interface, is connected with balance pipeline 3 through pipe fitting, and rotary flange (2-1) is threaded with upper flange (2-2).
3. a kind of band according to claim 2 is pressed energy-storing workover rig blowout prevention tool string; It is characterized in that; Described four ram preventers (5) comprise safety half envelope (5-1), safety slip (5-2), full envelope (5-3) and second envelope (5-4), install successively from bottom to top.
4. a kind of band according to claim 3 is pressed energy-storing workover rig blowout prevention tool string, it is characterized in that described double ram type preventer (13) comprises slips (13-1) and first envelope (13-2), installs successively from bottom to top.
5. a kind of band according to claim 4 is pressed energy-storing workover rig blowout prevention tool string, it is characterized in that described first envelope (13-2) is set between the 3.2m-3.8m to the distance between second envelope (5-4).
6. a kind of band according to claim 4 is pressed energy-storing workover rig blowout prevention tool string; It is characterized in that; Described four ram preventers (5) are identical with shearing preventer (7) structure with double ram type preventer (13); Shear preventer (7) and comprise preventer body (7-1) and side door oil cylinder (7-2); Preventer body (7-1) is connected with side door oil cylinder (7-2) through bolt, is provided with two three oil canals up and down in the preventer body (7-1), and three hydraulic fluid ports of every three oil canal are all outside preventer body (7-1); The middle hydraulic fluid port of every three oil canal is communicated with hydraulic system, and the hydraulic fluid port on both sides is communicated with the side door oil cylinder (7-2) of preventer body (7-1) both sides through hydraulic hose (7-3) respectively.
7. a kind of band according to claim 6 is pressed energy-storing workover rig blowout prevention tool string; It is characterized in that; Said side door oil cylinder (7-2) comprises side door oil cylinder body (7-2-2), piston component (7-2-5), gland (7-2-10) and stop pin (7-2-11); Locking screw mandrel (7-2-9) middle part is provided with at a distance from platform, rear end and is provided with pin shaft hole, and its front end is threaded with piston component (7-2-5), and stop pin (7-2-11) is equipped with in its rear end; The housing both sides of gland (7-2-10) are provided with sliding tray, and stop pin (7-2-11) can slide in this sliding tray; Side door oil cylinder body (7-2-2) is provided with that the side door oil cylinder is opened hydraulic fluid port (7-2-12) and the side door oil cylinder is closed hydraulic fluid port (7-2-13).
8. press energy-storing workover rig blowout prevention tool string according to claim 6 or 7 described a kind of bands; It is characterized in that; The hydraulic fluid port on top one the three oil canal both sides of said preventer body (7-1) is opened hydraulic fluid port (7-2-12) through hydraulic hose (7-3) and two side door oil cylinders and is communicated with, and the hydraulic fluid port on another three oil canals both sides is closed hydraulic fluid port (7-2-13) through hydraulic hose (7-3) and two side door oil cylinders and is communicated with.
9. a kind of band according to claim 2 is pressed energy-storing workover rig blowout prevention tool string; It is characterized in that; The secondary seal mechanism of described four ram preventers (5), shearing preventer (7) and double ram type preventer (13) comprises primary seal (7-2-4), back-up seal (7-2-6) and the cylinder seal spare (7-2-8) that is arranged on the side door oil cylinder body (7-2-2); On the side door oil cylinder body (7-2-2) between primary seal (7-2-4) and the back-up seal (7-2-6), be provided with and detect hole (7-2-3), the external port in this detection hole (7-2-3) is equipped with and detects hole pin (7-2-1).
10. a kind of band according to claim 9 is pressed energy-storing workover rig blowout prevention tool string, it is characterized in that, saidly on the side door oil cylinder body (7-2-2) between back-up seal (7-2-6) and the cylinder seal spare (7-2-8), also is provided with balance port (7-2-7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103249591A CN102817571A (en) | 2012-09-05 | 2012-09-05 | Blowout-prevention tool string of belt pressure energy storage well repairing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103249591A CN102817571A (en) | 2012-09-05 | 2012-09-05 | Blowout-prevention tool string of belt pressure energy storage well repairing machine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329040A (en) * | 2014-08-20 | 2015-02-04 | 中国石油化工股份有限公司 | Long well segment perforating gun lifting process and special device |
| CN105089542A (en) * | 2014-05-09 | 2015-11-25 | 中国石油化工股份有限公司 | Hydraulic self-locking quick-mounting blowout prevention device and method |
| CN107023272A (en) * | 2017-05-29 | 2017-08-08 | 肇庆市思睿力机器人科技有限公司 | A kind of pressure blowout hookup certainly |
| CN104879083B (en) * | 2015-04-30 | 2017-10-31 | 顾军锋 | The leakage observation of preventer and sealing device |
| CN109209257A (en) * | 2018-09-14 | 2019-01-15 | 高继宗 | A kind of full well section construction operation device with pressure and the construction technology using the device |
| CN109296332A (en) * | 2018-11-29 | 2019-02-01 | 美钻深海能源科技研发（上海）有限公司 | One kind is automatic to cross piecing devices |
| CN112227997A (en) * | 2020-11-17 | 2021-01-15 | 刘希明 | Coal bed gas pressurized well repairing device and well repairing method |
| CN115492548A (en) * | 2022-11-08 | 2022-12-20 | 安徽省皖北煤电集团有限责任公司 | Hydrogeology drilling drill way hydraulic pressure prevents spouting back pressure chucking device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2387106A (en) * | 1942-04-11 | 1945-10-16 | Cameron Iron Works Inc | Blowout preventer |
| CN2916112Y (en) * | 2005-11-09 | 2007-06-27 | 韩永利 | Dual ship gate type pressurized blowout preventer for workover |
| CN201087716Y (en) * | 2007-08-27 | 2008-07-16 | 河北华北石油荣盛机械制造有限公司 | Top-fixed slip expansion joint type operation device under pressure |
| CN101519953A (en) * | 2009-04-09 | 2009-09-02 | 胜利油田供应方圆石油装备有限责任公司 | Hydraulic slip and hydraulic blowout preventer combined oil water well pressured equipment |
| CN202788722U (en) * | 2012-09-05 | 2013-03-13 | 东营鸿昇机械设备有限公司 | Blowout-prevention tool string for pressure energy storage workover rig |
-
2012
- 2012-09-05 CN CN2012103249591A patent/CN102817571A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2387106A (en) * | 1942-04-11 | 1945-10-16 | Cameron Iron Works Inc | Blowout preventer |
| CN2916112Y (en) * | 2005-11-09 | 2007-06-27 | 韩永利 | Dual ship gate type pressurized blowout preventer for workover |
| CN201087716Y (en) * | 2007-08-27 | 2008-07-16 | 河北华北石油荣盛机械制造有限公司 | Top-fixed slip expansion joint type operation device under pressure |
| CN101519953A (en) * | 2009-04-09 | 2009-09-02 | 胜利油田供应方圆石油装备有限责任公司 | Hydraulic slip and hydraulic blowout preventer combined oil water well pressured equipment |
| CN202788722U (en) * | 2012-09-05 | 2013-03-13 | 东营鸿昇机械设备有限公司 | Blowout-prevention tool string for pressure energy storage workover rig |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089542A (en) * | 2014-05-09 | 2015-11-25 | 中国石油化工股份有限公司 | Hydraulic self-locking quick-mounting blowout prevention device and method |
| CN105089542B (en) * | 2014-05-09 | 2018-10-16 | 中国石油化工股份有限公司 | Hydraulic pressure self-locking Fast Installation blowout hookup and method |
| CN104329040A (en) * | 2014-08-20 | 2015-02-04 | 中国石油化工股份有限公司 | Long well segment perforating gun lifting process and special device |
| CN104329040B (en) * | 2014-08-20 | 2018-06-08 | 中国石油化工股份有限公司 | Play long well section perforating gun technique and dedicated unit |
| CN104879083B (en) * | 2015-04-30 | 2017-10-31 | 顾军锋 | The leakage observation of preventer and sealing device |
| CN107023272A (en) * | 2017-05-29 | 2017-08-08 | 肇庆市思睿力机器人科技有限公司 | A kind of pressure blowout hookup certainly |
| CN109209257A (en) * | 2018-09-14 | 2019-01-15 | 高继宗 | A kind of full well section construction operation device with pressure and the construction technology using the device |
| CN109209257B (en) * | 2018-09-14 | 2024-03-01 | 高继宗 | Full-well section pressurized construction operation device and construction process adopting same |
| CN109296332A (en) * | 2018-11-29 | 2019-02-01 | 美钻深海能源科技研发（上海）有限公司 | One kind is automatic to cross piecing devices |
| CN112227997A (en) * | 2020-11-17 | 2021-01-15 | 刘希明 | Coal bed gas pressurized well repairing device and well repairing method |
| CN115492548A (en) * | 2022-11-08 | 2022-12-20 | 安徽省皖北煤电集团有限责任公司 | Hydrogeology drilling drill way hydraulic pressure prevents spouting back pressure chucking device |
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Application publication date: 20121212 |