Wellhead valve flashboard pressure tapping device
A technology of pressurized hole opening and ram, which is applied to wellbore/well valve devices, wellbore/well parts, earthwork drilling and production, etc. It can solve the problems of reducing oil production efficiency and side valves cannot continue to be used, and achieves The effect of improving oil production efficiency
Active Publication Date: 2022-03-18
松原市云生石油技术服务有限公司
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Problems solved by technology
[0003]
This treatment method makes the valve on this side unusable, which reduces the oil production efficiency; if it needs to be replaced, the existing method is to stop production and replace it, which greatly reduces the oil production efficiency
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[0014] Such as figure 1 As shown, a wellhead valve ram valve opening device under pressure includes a spare ram valve 1, a piston 2, a blocking plate 3, a terminal 4, a leaking ram valve 5, a pull rod 6, a rubber tube 7, a second Pressure plate 8, first hoop 9, sealing ring 10, second hoop 12, connection sleeve 13, first pressure plate 14, third pressure plate 15, casing 16, third hoop 17, head 18, drill pipe 19 , drilling drill bit 20, PTFE antifouling pad 21 and oil seal 22;
[0015] The terminal 4 and the end of the leaking ram valve 5 are connected together by a hoop 9, a sealing ring 10 is arranged between the end 4 and the end face of the leaking ram valve 5, and the other end of the end 4 is welded and sealed. Blocking plate 3, piston 2 is set on the end 4, piston 2 is sleeved with connecting sleeve 13, the contact between piston 2, end 4 and connecting sleeve 13 is provided with rubber sleeve 7, piston 2 and spare brake The plate valve 1 is connected together by the ...
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A wellhead valve flashboard pressure tapping device comprises a standby flashboard valve, a piston, a plugging plate, an end, a liquid leakage flashboard valve, a pull rod, a rubber barrel, a second pressing plate, a first hoop, a sealing ring, a second hoop, a connecting sleeve, a first pressing plate, a third pressing plate, a sleeve, a third hoop, an end socket, a drill rod, a tapping drill bit, a polytetrafluoroethylene antifouling pad and an oil seal. The standby gate valve is connected to the liquid leakage gate valve through the components, the liquid leakage gate valve is closed, the valve body of the standby gate valve is opened, the tapping drill bit drills through the plugging plate and the gate plate of the liquid leakage gate valve, then the tapping drill bit retreats outwards, the valve body of the standby gate valve is closed, and the standby gate valve without liquid leakage can be normally used. A new valve can be replaced under the under-pressure state without stopping production for replacement, and the petroleum production efficiency is improved. And after a new valve is replaced, the leakage side valve of the wellhead tree can be continuously used, so that the petroleum production efficiency is improved.
Description
technical field [0001] The invention relates to a device used in an oil field, in particular to a device for opening holes with pressure for a gate plate of a wellhead valve. Background technique [0002] In the oil field, the side valve of the wellhead tree leaks, and the pressure in the well is 1-20 MPa. The oilfield treatment method is to cut off the waste valve end, weld a baffle at the cut, and install it on the outside of the valve with a wellhead clamp to stop leakage. [0003] This treatment method causes the valve on this side to be unusable, which reduces the oil production efficiency; if it needs to be replaced, the existing method is to stop production and replace it, which greatly reduces the oil production efficiency. Contents of the invention [0004] The purpose of the present invention is to solve the problems existing in the background technology, and to provide a wellhead valve gate plate opening device under pressure. [0005] A wellhead valve gate ope...
Claims
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IPC IPC(8): E21B34/02E21B41/00
CPCE21B34/02E21B41/00Y02E10/20
Inventor 孙徽郭天博袁帅王强张辉曾小敬孙未国周江浩刘俊杰朱海涛冯科辛连文寇君
Owner 松原市云生石油技术服务有限公司