CN212158969U - Inner leakage detection device of hydraulic blowout preventer - Google Patents

Inner leakage detection device of hydraulic blowout preventer Download PDF

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Publication number
CN212158969U
CN212158969U CN202021167764.7U CN202021167764U CN212158969U CN 212158969 U CN212158969 U CN 212158969U CN 202021167764 U CN202021167764 U CN 202021167764U CN 212158969 U CN212158969 U CN 212158969U
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China
Prior art keywords
oil return
pressure
oil inlet
oil
hydraulic
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Active
Application number
CN202021167764.7U
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Chinese (zh)
Inventor
廖泽全
石小龙
刘晓林
张毅
米瑞
郭维
秦涛
张津
黄学莉
宋鹏
张严
程春艳
王瑜
郑智力
华斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Petroleum Corp
CNPC Bohai Drilling Engineering Co Ltd
Original Assignee
China National Petroleum Corp
CNPC Bohai Drilling Engineering Co Ltd
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Priority to CN202021167764.7U priority Critical patent/CN212158969U/en
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Abstract

The utility model relates to an inner leakage detection device of a hydraulic blowout preventer, which comprises an oil inlet pipeline and an oil return pipeline; the utility model discloses a hydraulic blowout preventer, including oil inlet pipeline, oil return pipeline, pressure-out device, oil inlet end plug valve fixed connection oil inlet end manometer, oil return pipeline's lateral wall is last through installation oil inlet end plug valve fixed connection oil inlet end manometer, oil inlet pipeline one end is connected with the pressure-out device through installation oil return end plug valve fixed connection oil return end manometer on the lateral wall of oil return pipeline, the other end communicates with hydraulic blowout preventer, the pressure-out device can suppress the pressure to hydraulic blowout preventer inside, oil return pipeline one end and hydraulic blowout preventer intercommunication, the other end can realize. The utility model discloses an at hydraulic pressure preventer pressure testing in-process, install the oil inlet pipeline and the oil return pipeline at hydraulic pressure preventer, through observing the manometer numerical value on it of contrast for whether the problem of interior hourglass exists in the pressure testing in-process detection hydraulic pressure preventer, the device installation is convenient, does benefit to the dismantlement, has improved hydraulic pressure preventer's pressure testing efficiency widely.

Description

Inner leakage detection device of hydraulic blowout preventer
Technical Field
The utility model belongs to the technical field of well control equipment detects, especially, relate to a leak detection device in hydraulic pressure preventer.
Background
The hydraulic blowout preventer is well control equipment which uses hydraulic pressure as power and pushes a flashboard to perform well opening and closing operations. The hydraulic blowout preventer is periodically tested according to requirements, and whether the seal of a hydraulic loop in the hydraulic blowout preventer leaks or not can not be quickly and effectively detected in the process of testing the pressure. At present, a blowout preventer is disassembled firstly, and then the blowout preventer is installed after the sealing element is confirmed to be in good condition, and the whole disassembling and assembling process needs a large amount of manpower, material resources and time cost, so that the pressure testing efficiency is low.
Therefore, based on these problems, the hydraulic blowout preventer inner leakage detection device capable of rapidly detecting whether the hydraulic blowout preventer is inner leakage or not and improving the pressure test efficiency of the hydraulic blowout preventer in a well control workshop is provided, and the hydraulic blowout preventer inner leakage detection device has important practical significance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a leak detection device in hydraulic pressure preventer that can leak, improve the pressure testing efficiency of well control workshop hydraulic pressure preventer in the short-term test hydraulic pressure preventer.
The utility model provides a its technical problem take following technical scheme to realize:
the inner leakage detection device of the hydraulic blowout preventer comprises an oil inlet pipeline and an oil return pipeline; the utility model discloses a hydraulic blowout preventer, including oil inlet pipeline, oil return pipeline, pressure-out device, oil inlet end plug valve fixed connection oil inlet end manometer, oil return pipeline's lateral wall is last through installation oil inlet end plug valve fixed connection oil inlet end manometer, oil inlet pipeline one end is connected with the pressure-out device through installation oil return end plug valve fixed connection oil return end manometer on the lateral wall of oil return pipeline, the other end communicates with hydraulic blowout preventer, the pressure-out device can suppress the pressure to hydraulic blowout preventer inside, oil return pipeline one end and hydraulic blowout preventer intercommunication, the other end can realize.
Further, the oil inlet end plug valve is installed on the side wall of the oil inlet pipeline through the oil inlet tee joint.
Furthermore, wherein two ends of the oil inlet tee joint are connected with the oil inlet pipeline through an oil union, and a third end of the oil inlet tee joint is connected with the oil inlet end plug valve through threads.
Furthermore, the oil return end plug valve is installed on the side wall of the oil return pipeline through an oil return tee joint.
Furthermore, two ends of the oil return tee joint are connected with the oil return pipeline through an union, and a third end of the oil return tee joint is connected with the oil return end plug valve through threads.
The utility model has the advantages that:
the utility model discloses an at hydraulic pressure preventer pressure testing in-process, install the oil inlet pipeline and the oil return pipeline at hydraulic pressure preventer, through observing the manometer numerical value on it of contrast for whether the problem of interior hourglass exists in the pressure testing in-process detection hydraulic pressure preventer, the device installation is convenient, does benefit to the dismantlement, has improved hydraulic pressure preventer's pressure testing efficiency widely.
Drawings
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
Fig. 1 is a schematic view of a connection structure of an internal leakage detection device of a hydraulic blowout preventer according to an embodiment of the present invention;
Detailed Description
First, it should be noted that the specific structures, features, advantages, etc. of the present invention will be described in detail below by way of example, but all the descriptions are only for illustrative purpose and should not be construed as forming any limitation to the present invention. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity, the same or similar features may be indicated in only one place in the same drawing.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The present invention will be described in detail with reference to fig. 1.
Fig. 1 is a schematic view of a connection structure of an internal leakage detection device of a hydraulic blowout preventer according to an embodiment of the present invention; as shown in fig. 1, the internal leakage detection device of the hydraulic blowout preventer provided by the embodiment includes an oil inlet pipeline 2 and an oil return pipeline 3; advance on oil pipe line 2's the lateral wall through the installation and advance 5 fixed connection oil feed end manometers 6 of oil end plug valve, return oil end manometers 9 through the installation on oil pipe line 3's the lateral wall and return oil end 8 fixed connection of plug valve, 2 one end of oil pipe line is connected with suppressing pressure device 10, and the other end communicates with hydraulic pressure preventer 1, suppress pressure device 10 and can suppress pressure 1 inside hydraulic pressure preventer, 3 one end of oil pipe line and 1 intercommunication of hydraulic pressure preventer, the other end can realize the switching of switching state, for example through increasing its break-make of valve control.
It should be noted that, in this embodiment, specifically: the oil inlet end plug valve 5 is mounted on the side wall of the oil inlet pipeline 2 through an oil inlet tee joint 4, wherein two ends of the oil inlet tee joint 4 are connected with the oil inlet pipeline 2 through an union, and a third end of the oil inlet tee joint 4 is connected with the oil inlet end plug valve 5 through threads; the oil return end plug valve 8 is installed on the side wall of the oil return pipeline 3 through an oil return tee joint 7, wherein two ends of the oil return tee joint 7 are connected with the oil return pipeline 3 through an oil union, and a third end of the oil return tee joint 7 is connected with the oil return end plug valve 8 through threads.
It should be noted that, the pressure-building device may adopt an existing product, and functions to build pressure inside the hydraulic blowout preventer 1, as long as the function is achieved, it is not necessary to be limited to a specific product name or model, and details are not described herein.
For example, in this embodiment, when detecting the hydraulic blowout preventer, one end of the oil return line is switched to a closed state, and a pressure-holding device is used to hold pressure on the hydraulic blowout preventer 1, during which the hydraulic pressure in the oil inlet line 2 is transmitted to the oil inlet pressure gauge 6 through the oil inlet tee joint 4 and the oil inlet plug valve 5; the hydraulic pressure in the oil return pipeline 3 is transmitted to an oil return end pressure gauge 9 through an oil return tee joint 7 and an oil return end plug valve 8, at the moment, the oil return end pressure gauge 9 is observed, if the value of the gauge is zero, the piston in the hydraulic blowout preventer 1 is well sealed without internal leakage, and the blowout preventer does not need to be disassembled for inspection; if the numerical value of the oil return end pressure gauge 9 is not zero, the hydraulic blowout preventer 1 has the inner leakage problem, and then the next inspection and maintenance process is carried out according to the requirement.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (5)

1. The utility model provides a leak detection device in hydraulic pressure preventer which characterized in that: comprises an oil inlet pipeline and an oil return pipeline; the utility model discloses a hydraulic blowout preventer, including oil inlet pipeline, oil return pipeline, pressure-out device, oil inlet end plug valve fixed connection oil inlet end manometer, oil return pipeline's lateral wall is last through installation oil inlet end plug valve fixed connection oil inlet end manometer, oil inlet pipeline one end is connected with the pressure-out device through installation oil return end plug valve fixed connection oil return end manometer on the lateral wall of oil return pipeline, the other end communicates with hydraulic blowout preventer, the pressure-out device can suppress the pressure to hydraulic blowout preventer inside, oil return pipeline one end and hydraulic blowout preventer intercommunication, the other end can realize.
2. The internal leakage detection device of the hydraulic blowout preventer according to claim 1, wherein: the oil inlet end plug valve is installed on the side wall of the oil inlet pipeline through the oil inlet tee joint.
3. The internal leakage detection device of the hydraulic blowout preventer according to claim 2, wherein: two ends of the oil inlet tee joint are connected with the oil inlet pipeline through an union, and a third end of the oil inlet tee joint is connected with the oil inlet end plug valve through threads.
4. The internal leakage detection device of the hydraulic blowout preventer according to claim 1, wherein: the oil return end plug valve is installed on the side wall of the oil return pipeline through an oil return tee joint.
5. The internal leakage detection device of the hydraulic blowout preventer according to claim 4, wherein: two ends of the oil return tee joint are connected with the oil return pipeline through an union, and a third end of the oil return tee joint is connected with the oil return end plug valve through threads.
CN202021167764.7U 2020-06-22 2020-06-22 Inner leakage detection device of hydraulic blowout preventer Active CN212158969U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021167764.7U CN212158969U (en) 2020-06-22 2020-06-22 Inner leakage detection device of hydraulic blowout preventer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021167764.7U CN212158969U (en) 2020-06-22 2020-06-22 Inner leakage detection device of hydraulic blowout preventer

Publications (1)

Publication Number Publication Date
CN212158969U true CN212158969U (en) 2020-12-15

Family

ID=73700460

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021167764.7U Active CN212158969U (en) 2020-06-22 2020-06-22 Inner leakage detection device of hydraulic blowout preventer

Country Status (1)

Country Link
CN (1) CN212158969U (en)

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