CN117027708A - Remote visual and monitored gas production wellhead device - Google Patents
Remote visual and monitored gas production wellhead device Download PDFInfo
- Publication number
- CN117027708A CN117027708A CN202311003366.XA CN202311003366A CN117027708A CN 117027708 A CN117027708 A CN 117027708A CN 202311003366 A CN202311003366 A CN 202311003366A CN 117027708 A CN117027708 A CN 117027708A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- gas production
- production wellhead
- monitored
- wellhead device
- 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.)
- Granted
Links
- 230000000007 visual effect Effects 0.000 title abstract description 6
- 230000001681 protective effect Effects 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 29
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 26
- 239000003345 natural gas Substances 0.000 abstract description 13
- 238000011161 development Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/16—Control means therefor being outside the borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
Abstract
The application relates to the technical field of natural gas field development, and discloses a remote visual and monitored gas production wellhead device, which comprises: a gas production wellhead device body; the plugging pieces are respectively and slidably arranged on the protective sleeves; the transmission components are respectively corresponding to the plugging pieces and are electrically connected with the pressure measuring meters, and when the pressure value in the pipeline monitored by the pressure measuring meters is outside the threshold value interval, the transmission components drive the plugging pieces to slide on the protective sleeve of the pipeline so as to plug the outer wall of the pipeline; when the pressure value in the pipeline monitored by the pressure measuring meter is outside the threshold value interval, the pressure measuring meter sends a signal to an external controller, and the external controller controls the transmission assembly to drive the plugging piece to slide on the protective sleeve of the pipeline so as to plug the outer wall of the pipeline, so that the pipeline crack can be plugged effectively in time, and the leakage of natural gas before stopping conveying is reduced to the greatest extent.
Description
Technical Field
The application particularly relates to the technical field of natural gas field development, in particular to a remote visual and monitored gas production wellhead device.
Background
The gas production wellhead is a device which is installed at the wellhead, hangs a casing and an oil pipe, seals the annular space between the oil pipe and the casing and between the casing and each layer of casing in petroleum and natural gas drilling, and generally consists of a casing head, an oil pipe head and a blowout preventer stack.
The existing gas production wellhead device cannot monitor the gas leakage condition of a pipeline in time when in use, even if a protective sleeve is installed, when gas leakage or gas theft occurs, cracks can occur in the pipeline and the protective sleeve, if the protective sleeve is damaged, the pipeline loses the protection effect, only the pipeline can be left out of the gas until a worker controls a gate valve to be closed, the pipeline wall with cracks cannot be plugged quickly and effectively in the time of discovering the gas leakage of the pipeline and completely closing the gate valve, so that a large amount of natural gas can be leaked in the pipeline, and further, the waste of the natural gas is caused, and the worker is accidentally injured.
Disclosure of Invention
The application aims to overcome the defects of the prior art and provide a remote visual and monitored gas production wellhead device so as to solve the technical problem that after gas leakage occurs in a pipeline, the wall of the pipeline with cracks cannot be quickly and effectively blocked before the corresponding valve gate is completely closed, so that a great deal of natural gas is leaked.
The aim of the application can be achieved by the following technical scheme:
a remotely visible and monitored gas production wellhead assembly comprising:
the gas production wellhead device comprises a gas production wellhead device main body, a blowout prevention pipe and a plurality of pressure measuring meters, wherein the blowout prevention pipe and the pressure measuring meters are arranged on the gas production wellhead device main body;
the plugging pieces are respectively and slidably arranged on the protective sleeves; and
the transmission assembly is respectively corresponding to the plugging pieces and is electrically connected with the pressure measuring meters, and when the pressure value in the pipeline monitored by the pressure measuring meters is outside the threshold value interval, the transmission assembly drives the plugging pieces to slide on the protective sleeve of the pipeline so as to plug the outer wall of the pipeline.
As a further scheme of the application: four plugging pieces are respectively distributed on each protective sleeve, each plugging piece comprises a push plate and an elastic part, and the transmission assembly comprises:
the two locating plates are connected through bolts, two ends of the two locating plates are respectively and fixedly arranged on the pipeline, two plugging pieces which are oppositely arranged are slidably arranged on each locating plate, and driving pieces which are used for synchronously driving the two plugging pieces to slidably extend out of the locating plates are arranged in the locating plates;
the two limiting plates are fixed on the pipeline and correspond to the two positioning plates respectively, and the positioning plates and the limiting plates are arranged on the outer side of the protective sleeve; and
the first magnetic pieces are oppositely arranged and are respectively arranged in the two grooves on the limiting plate, the first magnetic pieces are magnetically attracted with the second magnetic pieces arranged at one end of the elastic part, and the other end of the elastic part is fixedly connected with the push plate which is slidably arranged in the positioning plate.
As a further scheme of the application: the two limiting plates are respectively fixed at two ends of the pipeline, and sealing elements are arranged between the two limiting plates, between the two positioning plates and between the two plugging elements.
As a further scheme of the application: the locating plate is connected with the limiting plate through the connecting rod, and the connecting rod is used for guiding and limiting the elastic part.
As a further scheme of the application: and a sealing strip is arranged in the groove.
As a further scheme of the application: and each pipeline is provided with a valve gate electrically connected with the pressure measuring meter.
As a further scheme of the application: the gas production wellhead device main body is also provided with a plurality of rotary cameras.
The application has the beneficial effects that:
(1) According to the application, when the pressure value in the pipeline monitored by the pressure measuring meter is outside the threshold value interval, the pressure measuring meter sends a signal to the external controller, and the external controller controls the transmission assembly to drive the blocking piece to slide on the protective sleeve of the pipeline so as to block the outer wall of the pipeline, so that the pipeline crack can be effectively blocked in time, and the leakage of natural gas before stopping conveying can be reduced to the greatest extent;
(2) According to the application, the driving piece is controlled by the external controller to drive the two pushing plates connected with the driving piece to move back, so that the corresponding two second magnetic pieces move along the outer wall of the protective sleeve, when the driving piece moves to the end point of the moving path, the distance between the second magnetic pieces and the first magnetic piece is within the action distance of magnetic attraction between the second magnetic pieces and the first magnetic piece, and then the magnetic attraction drives the second magnetic pieces to move towards the first magnetic piece, so that the second magnetic pieces can be inserted into the grooves and cling to the first magnetic pieces, that is, the pipeline can realize the plugging protection of the outer wall of the protective sleeve on the pipeline through the matching of the four plugging pieces, and the pipeline and the protective sleeve can be plugged rapidly when the pipeline leaks, so that a great deal of leakage of natural gas is avoided;
(3) In the application, the rotary camera is connected with the external controller, and a worker can control the rotary camera through the external controller to timely check the running states of all parts on the gas production wellhead device main body, so that the practicability of the application is improved.
Drawings
The application is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present application;
FIG. 2 is a schematic view of the structure of the closure of the present application;
FIG. 3 is a schematic view of the transmission assembly of the present application;
FIG. 4 is a schematic view of the structure of the locating plate according to the present application;
FIG. 5 is a schematic view of the structure of the first magnetic member of the present application;
fig. 6 is a schematic structural view of a limiting plate in the present application.
In the figure: 1. a gas production wellhead device body; 2. lubricator; 3. a protective sleeve; 4. a pressure gauge; 5. a valve gate; 6. a blocking member; 601. a push plate; 602. an elastic part; 7. a transmission assembly; 701. a positioning plate; 702. a limiting plate; 703. a first magnetic member; 704. a second magnetic member; 705. a connecting rod; 706. a driving member; 8. a sealing strip; 9. and rotating the camera.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-4, the present application is a remote visual and monitoring gas production wellhead device, comprising:
the gas production wellhead device comprises a gas production wellhead device main body 1, a lubricator 2 and a plurality of pressure measuring meters 4 are arranged on the gas production wellhead device main body, the pressure measuring meters 4 are respectively arranged on a plurality of pipelines of the gas production wellhead device main body 1, and each pipeline is wrapped with a protective sleeve 3;
the plugging pieces 6 are respectively and slidably arranged on the protective sleeves 3; and
and the transmission components 7 are respectively corresponding to the plugging pieces 6 and are electrically connected with the pressure measuring meters 4, and when the pressure value in the pipeline monitored by the pressure measuring meters 4 is outside the threshold value interval, the transmission components 7 drive the plugging pieces 6 to slide on the protective sleeve 3 of the pipeline so as to plug the outer wall of the pipeline.
It should be noted that, the electrical components such as the pressure measuring meter 4 and the transmission assembly 7 in the present application are all connected with an external controller, and the external controller is in the prior art, and the present application does not improve the electrical components, so that a specific mechanical structure and a specific circuit structure of the electrical components are not required to be disclosed, and the integrity of the present application is not affected.
In one case of this embodiment, the threshold interval is a range of pressure values in the pipeline, which is set in advance by a worker during normal use of the pipeline, and if the pressure measurement table 4 monitors that the pressure value in the pipeline exceeds the threshold interval, it indicates that the pipeline has air leakage, and at this time, both the protective sleeve 3 and the outer wall of the pipeline have cracks.
When the pressure measuring meter 4 monitors that the pressure value in the pipeline is outside the threshold value interval in practical application, the pressure measuring meter 4 sends a signal to the external controller, and the external controller controls the transmission assembly 7 to drive the plugging piece 6 to slide on the protective sleeve 3 of the pipeline so as to plug the outer wall of the pipeline, so that the pipeline cracks can be plugged effectively in time, and the leakage of natural gas before stopping conveying is reduced to the greatest extent.
As shown in fig. 1 to 6, as a preferred embodiment of the present application, four blocking pieces 6 are disposed on each of the protective sleeves 3, the blocking pieces 6 include a push plate 601 and an elastic portion 602, and the transmission assembly 7 includes:
the two positioning plates 701 are connected through bolts, two ends of the two positioning plates 701 are respectively and fixedly arranged on a pipeline, two plugging pieces 6 which are oppositely arranged are slidably arranged on each positioning plate 701, and a driving piece 706 for synchronously driving the two plugging pieces 6 to slidably extend out of the positioning plate 701 is arranged in the positioning plate 701;
the limiting plates 702 are fixed on the pipeline, and correspond to the two positioning plates 701 respectively, and the positioning plates 701 and the limiting plates 702 are arranged outside the protective sleeve 3; and
the first magnetic members 703, two of the first magnetic members 703 are disposed opposite to each other and are respectively disposed in two grooves on the limiting plate 702, the first magnetic members 703 magnetically attract the second magnetic members 704 disposed at one end of the elastic portion 602, and the other end of the elastic portion 602 is fixedly connected with the push plate 601 slidably mounted in the positioning plate 701.
In one case of this embodiment, the driving element 706 may be a hydraulic cylinder, an air cylinder, or other mechanisms capable of implementing linear motion, which is not specifically limited herein, and the driving element 706 has two output ends, which are respectively connected to two pushing plates 601 that are oppositely disposed.
In practical application, in the initial state, the four elastic portions 602 of the four plugging members 6 are all located in the positioning plate 701, and at this time, the distance between the second magnetic member 704 and the first magnetic member 703 exceeds the acting distance of magnetic attraction between the two, so that the four plugging members 6 remain stationary; when the pressure value in the pipeline monitored by the pressure measuring meter 4 is outside the threshold value interval, the external controller controls the driving piece 706 to drive the two pushing plates 601 connected with the driving piece to move back to each other, so that the corresponding two second magnetic pieces 704 move along the outer wall of the protective sleeve 3, when the pressure measuring meter moves to the end point of the moving path, the distance between the second magnetic pieces 704 and the first magnetic pieces 703 is within the acting distance of magnetic attraction between the two magnetic pieces, and then the magnetic attraction drives the second magnetic pieces 704 to move towards the first magnetic pieces 703, so that the second magnetic pieces 704 can be inserted into the grooves and tightly attached to the first magnetic pieces 703, that is, the pipeline can be plugged and protected on the outer wall of the protective sleeve 3 through the cooperation of the four plugging pieces 6, and the pipeline and the protective sleeve 3 can be plugged quickly when the pipeline leaks, so that a great amount of natural gas leakage is avoided.
As shown in fig. 2 to 6, as a preferred embodiment of the present application, two limiting plates 702 are fixed to both ends of a pipe, respectively, and sealing members are provided between the two limiting plates 702, between the two positioning plates 701, and between the two blocking members 6.
In one case of this embodiment, the sealing member may be made of rubber pad or rubber ring, which will not be described herein.
As shown in fig. 2-5, as a preferred embodiment of the present application, the positioning plate 701 is connected to the limiting plate 702 through the connecting rod 705, and the connecting rod 705 performs guiding and limiting on the elastic portion 602; in practical application, the connecting rod 705 can assist in positioning accuracy of the positioning plate 701 and the positioning plate 702, and can avoid the problem that the second magnetic member 704 slides away from the preset moving path when moving.
As shown in fig. 1-6, as a preferred embodiment of the present application, the sealing strip 8 is disposed in the groove; can effectively seal in practical application, improves the tightness of the shutoff piece 6.
As shown in fig. 1, as a preferred embodiment of the present application, a valve 5 electrically connected to the manometer 4 is provided on each of the pipes.
In practical application, the embodiment can be set that when the pressure measuring meter 4 monitors that the pressure value in the pipeline exceeds the preset interval, the transmission assembly 7 drives the blocking piece 6 to realize pipeline blocking, and if the pressure measuring meter 4 monitors that the pressure value in the pipeline continuously exceeds the preset interval, the valve gate 5 is controlled to be closed, so that the transportation is not stopped when the pipeline is slightly damaged, and the transportation efficiency of natural gas is ensured.
As shown in fig. 1, as a preferred embodiment of the present application, the gas production wellhead device body 1 is further provided with a plurality of rotary cameras 9.
In practical application, the rotary camera 9 is connected with the external controller, and a worker can control the rotary camera 9 through the external controller to check the running states of all the components on the gas production wellhead device main body 1 in time, so that the practicability of the gas production wellhead device is improved.
The working principle of the application is as follows: according to the gas production wellhead device with remote visualization and monitoring functions, when the pressure value in the pipeline monitored by the pressure measuring meter 4 is outside the threshold value interval, the pressure measuring meter 4 sends a signal to the external controller, the external controller controls the transmission assembly 7 to drive the blocking piece 6 to slide on the protective sleeve 3 of the pipeline so as to block the outer wall of the pipeline, so that cracks of the pipeline can be effectively blocked in time, and leakage of natural gas before conveying is stopped can be reduced to the greatest extent.
The foregoing describes one embodiment of the present application in detail, but the description is only a preferred embodiment of the present application and should not be construed as limiting the scope of the application. All equivalent changes and modifications within the scope of the present application are intended to be covered by the present application.
Claims (7)
1. A remotely visible and monitored gas production wellhead assembly, comprising:
the gas production wellhead device comprises a gas production wellhead device main body (1), wherein a lubricator (2) and a plurality of pressure measuring meters (4) are arranged on the gas production wellhead device main body, the pressure measuring meters (4) are respectively arranged on a plurality of pipelines of the gas production wellhead device main body (1), and each pipeline is wrapped with a protective sleeve (3);
the sealing pieces (6) are respectively and slidably arranged on the protective sleeves (3); and
the transmission assembly (7), a plurality of transmission assembly (7) correspond with a plurality of shutoff piece (6) respectively to be connected with a plurality of manometer (4) electricity, when the pressure value in the pipeline that manometer (4) monitored is outside threshold value interval, transmission assembly (7) drive shutoff piece (6) slide in order to shutoff on protective sheath (3) of this pipeline outer wall.
2. A remotely visible and monitored wellhead assembly according to claim 1, characterised in that four plugs (6) are arranged on each protective sheath (3), the plugs (6) comprising push plates (601) and elastic portions (602), the transmission assembly (7) comprising:
the two positioning plates (701) are connected through bolts, two ends of the two positioning plates (701) are respectively and fixedly arranged on a pipeline, two plugging pieces (6) which are oppositely arranged are slidably arranged on each positioning plate (701), and a driving piece (706) for synchronously driving the two plugging pieces (6) to slidably extend out of the positioning plate (701) is arranged in each positioning plate (701);
the limiting plates (702), the two limiting plates (702) are fixed on the pipeline and correspond to the two positioning plates (701) respectively, and the positioning plates (701) and the limiting plates (702) are arranged on the outer side of the protective sleeve (3); and
the first magnetic pieces (703), two first magnetic pieces (703) are oppositely arranged and are respectively arranged in two grooves on the limiting plate (702), the first magnetic pieces (703) are magnetically attracted with the second magnetic pieces (704) arranged at one end of the elastic part (602), and the other end of the elastic part (602) is fixedly connected with the push plate (601) which is slidably arranged in the positioning plate (701).
3. A remotely visible and monitored gas production wellhead according to claim 2, characterised in that two of the limiting plates (702) are fixed to the ends of the pipeline, respectively, and that seals are provided between the limiting plates (702), between the locating plates (701) and between the plugs (6).
4. A remotely visible and monitored gas production wellhead assembly according to claim 2, characterised in that the locating plate (701) is connected to the stop plate (702) by a link (705), and that the link (705) is in guiding engagement with the resilient portion (602).
5. A remotely visible and monitored gas production wellhead device according to claim 2, characterised in that a sealing strip (8) is provided in the recess.
6. A remotely visible and monitored gas production wellhead assembly according to claim 1, characterised in that each of said conduits is provided with a valve (5) electrically connected to a pressure gauge (4).
7. A remotely visible and monitored gas production wellhead device according to claim 1, characterised in that the gas production wellhead device body (1) is further provided with a plurality of rotary cameras (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311003366.XA CN117027708B (en) | 2023-08-10 | 2023-08-10 | Remote visual and monitored gas production wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311003366.XA CN117027708B (en) | 2023-08-10 | 2023-08-10 | Remote visual and monitored gas production wellhead device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117027708A true CN117027708A (en) | 2023-11-10 |
| CN117027708B CN117027708B (en) | 2024-01-30 |
Family
ID=88629570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311003366.XA Active CN117027708B (en) | 2023-08-10 | 2023-08-10 | Remote visual and monitored gas production wellhead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117027708B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4466273A (en) * | 1978-10-23 | 1984-08-21 | Pillette Kibbie P | Leak detection system |
| US5121946A (en) * | 1990-02-02 | 1992-06-16 | E. Peart & Company Limited | Pipe repair or joining collar |
| KR20130029420A (en) * | 2013-02-12 | 2013-03-22 | 주식회사백상 | Blocking device of pipe leak |
| CN211668689U (en) * | 2020-04-10 | 2020-10-13 | 伊藤未来能源设备(上海)有限公司 | Quick pressure measuring device |
| CN211716041U (en) * | 2020-02-13 | 2020-10-20 | 马涛 | Quick plugging device of municipal administration natural gas leakage pipeline |
| CN114001234A (en) * | 2021-11-01 | 2022-02-01 | 王慧芳 | Natural gas pipeline carries gas leakage detection device |
| CN216240529U (en) * | 2021-11-15 | 2022-04-08 | 淮安市国联井盐发展有限公司 | Quick plugging device is used in twin-well structure salt well exploitation |
| CN115680543A (en) * | 2022-10-19 | 2023-02-03 | 盐城市煜洋石油机械有限公司 | Intelligent gas production wellhead system |
| CN218971151U (en) * | 2023-01-17 | 2023-05-05 | 瀚中(南京)科技有限公司 | Natural gas wellhead leakage-proof sealing device |
| CN219102720U (en) * | 2022-11-30 | 2023-05-30 | 南京嘉兆仪器设备有限公司 | Gas leakage detection device for hydrogen-doped natural gas pipeline |
| CN219365994U (en) * | 2023-04-14 | 2023-07-18 | 东营众诚石油技术有限责任公司 | Wellhead plugging device for petroleum horizontal well |
-
2023
- 2023-08-10 CN CN202311003366.XA patent/CN117027708B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4466273A (en) * | 1978-10-23 | 1984-08-21 | Pillette Kibbie P | Leak detection system |
| US5121946A (en) * | 1990-02-02 | 1992-06-16 | E. Peart & Company Limited | Pipe repair or joining collar |
| KR20130029420A (en) * | 2013-02-12 | 2013-03-22 | 주식회사백상 | Blocking device of pipe leak |
| CN211716041U (en) * | 2020-02-13 | 2020-10-20 | 马涛 | Quick plugging device of municipal administration natural gas leakage pipeline |
| CN211668689U (en) * | 2020-04-10 | 2020-10-13 | 伊藤未来能源设备(上海)有限公司 | Quick pressure measuring device |
| CN114001234A (en) * | 2021-11-01 | 2022-02-01 | 王慧芳 | Natural gas pipeline carries gas leakage detection device |
| CN216240529U (en) * | 2021-11-15 | 2022-04-08 | 淮安市国联井盐发展有限公司 | Quick plugging device is used in twin-well structure salt well exploitation |
| CN115680543A (en) * | 2022-10-19 | 2023-02-03 | 盐城市煜洋石油机械有限公司 | Intelligent gas production wellhead system |
| CN219102720U (en) * | 2022-11-30 | 2023-05-30 | 南京嘉兆仪器设备有限公司 | Gas leakage detection device for hydrogen-doped natural gas pipeline |
| CN218971151U (en) * | 2023-01-17 | 2023-05-05 | 瀚中(南京)科技有限公司 | Natural gas wellhead leakage-proof sealing device |
| CN219365994U (en) * | 2023-04-14 | 2023-07-18 | 东营众诚石油技术有限责任公司 | Wellhead plugging device for petroleum horizontal well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117027708B (en) | 2024-01-30 |
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