CN109469460A - Wellhead assembly is opened between gas well automation - Google Patents
Wellhead assembly is opened between gas well automation Download PDFInfo
- Publication number
- CN109469460A CN109469460A CN201810457771.1A CN201810457771A CN109469460A CN 109469460 A CN109469460 A CN 109469460A CN 201810457771 A CN201810457771 A CN 201810457771A CN 109469460 A CN109469460 A CN 109469460A
- Authority
- CN
- China
- Prior art keywords
- gas
- way
- valve
- threeway
- outlet side
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000000446 fuel Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims 2
- 238000000034 method Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 241000191291 Abies alba Species 0.000 description 2
- 210000004712 air sac Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The present invention relates to oil gas field wellhead assembly technical fields, it is to open wellhead assembly between a kind of automation of gas well, wellhead assembly, including device processed, liquid-gas separator, casing pressure threeway, set pressure sensor, oil pressure threeway, oil pressure sensor, Pneumatic diaphragm valve, the first four-way, the second four-way, needle-valve are opened between gas well automation.Structure of the invention is rationally compact, it is easy to use, for the present invention in gas field produces, controller passes through the switch well condition of setting to automatic switch threshold switch, and then switchs to Pneumatic diaphragm valve, to realize the automation control switched to gas well, the present invention not only guarantees to open between the automation of gas well, switchs gas well without the upper well of personnel, gas well liquid loading institution adjustment is timely, production efficiency is greatly improved simultaneously, guarantees gas well Efficient Development.
Description
Technical field
It is to open wellhead assembly between a kind of gas well automation the present invention relates to oil gas field wellhead assembly technical field.
Background technique
It, be according to production system is adjusted the case where gas well in time, on gas well christmas tree in the normal productive process of gas well
Valve switched, realize and open production between gas well.Usual situation, the adjustment of gas well liquid loading system need the upper well of technician
The valve for manually adjusting switch christmas tree, on the one hand needs a large amount of man power and materials, causes personnel cost high, and the efficiency of management is low,
Not in time, the gas well opening well and making production time is long for the production institution adjustment of another aspect gas well, causes gas well fluid-carrying capability poor, pit shaft product
Liquid influences gas field Efficient Development.
Summary of the invention
The present invention provides wellhead assembly is opened between a kind of automation of gas well, overcome the defects of the prior art, energy
When opening well and making production adjusts between effective solution, manually upper well manually adjusts gas well valve, gas well valve switch time length, gas field development
The problem of low efficiency.
The technical scheme is that being realized by following measures: opening wellhead assembly between a kind of gas well automation, wrap
Include controller, liquid-gas separator, casing pressure threeway, set pressure sensor, oil pressure threeway, oil pressure sensor, Pneumatic diaphragm valve, the one or four
Logical, the second four-way, needle-valve, are communicated with admission line, air inlet pipe between liquid-gas separator outlet side and Pneumatic diaphragm valve inlet end
Automatic switch valve is installed on line, controller is equipped with casing pressure signal input part, fuel injection pressure signal input terminal, valve signal output end,
Casing pressure signal input part is electrically connected with set pressure sensor signal output end, and fuel injection pressure signal input terminal and oil pressure sensor signal export
End electrical connection, valve signal output end are electrically connected with the signal input part of automatic switch valve, gas-liquid separator inlet end and set
The pressure left outlet end of threeway is connected, and is communicated with first gas pipe between the right inlet end of casing pressure threeway and the left outlet side of the first four-way
Line, inlet end is fixed and is connected to well head total inlet pipe line under the first four-way, and the right outlet side of the first four-way is communicated with the 4th gas
Pipeline is communicated with second gas pipeline, the left outlet of the second four-way between inlet end under outlet side and the second four-way on the first four-way
End is fixed and is connected to the right inlet end of oil pressure threeway, and the right outlet side of the second four-way is fixed and is connected to the 6th gas line, and second
Outlet side is communicated with third gas pipeline on four-way, and third gas pipeline and the 5th gas line are fixed and connected by the first threeway
Logical, the 5th gas line is fixed and is connected to by plug four-way with the 4th gas line, the 6th gas line, the 5th gas line
Upper Guan County is equipped with Pneumatic diaphragm valve, and the second threeway, the second threeway outlet side and needle-valve inlet end are equipped on the 4th gas line
Between be communicated with total outlet line, needle-valve outlet side is fixed and is connected to production flow line.
Here is the further optimization and/or improvements to invention technology described above scheme:
Left wing is fixedly installed on first gas pipeline between the right inlet end of above-mentioned casing pressure threeway and the left outlet side of the first four-way
Sleeve valve.
It is fixedly installed on the 4th admission line under the right outlet side of above-mentioned first four-way and the second threeway between inlet end
Right flank sleeve valve.
It is fixedly installed on second gas pipeline on above-mentioned first four-way under outlet side and the second four-way between inlet end
Main production valve.
Time production valve is fixedly installed on third gas pipeline between above-mentioned second four-way and the first threeway.
It is fixedly installed on the 6th gas line between the right outlet side of above-mentioned second four-way and the left inlet end of plug four-way
Spare production valve.
Pressure release cock is fixedly installed at above-mentioned first threeway upper end outlet.
The air bladder on the 5th gas line between the right outlet side of above-mentioned first threeway and plug four-way upper air end
Throttle valve is fixedly installed on the right side of valve.
Structure of the invention is rationally compact, easy to use, and the present invention passes in gas field produces according to oil pressure sensor and casing pressure
The transmission of sensor data switchs Pneumatic diaphragm valve using the time of control system setting or the Switching Condition of pressure value, into
And realizing the automation control that switch to gas well, the present invention not only guarantees to open between the automation of gas well, switchs without the upper well of personnel
Gas well, gas well liquid loading institution adjustment is timely, while greatly improving production efficiency, guarantees gas well Efficient Development.
Detailed description of the invention
Attached drawing 1 is mouthful device technique flowage structure schematic diagram that drives a well between gas well of the present invention automates.
Coding in attached drawing is respectively as follows: 1 for controller, and 2 be liquid-gas separator, and 3 be casing pressure threeway, and 4 be set pressure sensor,
5 be oil pressure sensor, and 6 be oil pressure threeway, and 7 be left wing's sleeve valve, and 8 be right flank sleeve valve, valve is produced based on 9,10 are
Secondary production valve, 11 be spare production valve, and 12 be the first four-way, and 13 be the second four-way, and 14 be the first threeway, and 15 examine for pressure release
Gram, 16 be Pneumatic diaphragm valve, and 17 be throttle valve, and 18 be plug four-way, and 19 be the second threeway, and 20 be needle-valve, and 21 be admission line,
22 be first gas pipeline, and 23 be second gas pipeline, and 24 be third gas pipeline, and 25 be the 5th gas line, and 26 be the 6th
Gas line, 27 be the 4th gas line, and 28 be outlet main pipe line, and 29 be production flow line, and 30 be well head inlet manifold line, and 31 are
Automatic switch valve.
Specific embodiment
The present invention will be further described below with reference to examples:
As shown in Fig. 1, wellhead assembly, including controller 1, liquid-gas separator 2, casing pressure threeway 3, set are opened between gas well automation
Pressure sensor 4, oil pressure threeway 6, oil pressure sensor 5, Pneumatic diaphragm valve 16, the first four-way 12, the second four-way 13, needle-valve 20, liquid
It is communicated with admission line 21 between 16 inlet end of 2 outlet side of gas separating device and Pneumatic diaphragm valve, is equipped on admission line 21 certainly
Dynamic switch valve 31, controller 1 are equipped with casing pressure signal input part, fuel injection pressure signal input terminal, valve signal output end, and casing pressure signal is defeated
Enter end to be electrically connected with 4 output end of set pressure sensor, fuel injection pressure signal input terminal is electrically connected with 5 output end of oil pressure sensor, valve letter
Number output end is electrically connected with the signal input part of automatic switch valve 31,2 inlet end of gas-liquid separator and the left outlet of casing pressure threeway 3
End is connected, and is communicated with first gas pipeline the 22, the 1st between the right inlet end of casing pressure threeway 3 and the left outlet side of the first four-way 12
Logical 12 lower inlet ends are fixed with well head total inlet pipe line 33 and are connected to, and the right outlet side of the first four-way 12 is communicated with the 4th gas line
27, second gas pipeline 23, the second four-way 13 are communicated between outlet side and the lower inlet end of the second four-way 13 on the first four-way 12
Left outlet side is fixed and is connected to the right inlet end of oil pressure threeway 6, and the right outlet side of the second four-way 13 and the 6th gas line 29 are fixed
And be connected to, outlet side is communicated with third gas pipeline 24, third gas pipeline 24 and the 5th gas line 25 on the second four-way 13
It fixes and is connected to by the first threeway 14, the 5th gas line 25 and the 4th gas line 27, the 6th gas line 26 are by blocking up
Head four-way 18 is fixed and is connected to, and Guan County is equipped with Pneumatic diaphragm valve 16 on the 5th gas line 25, installs on the 4th gas line 27
There is the second threeway 19, total outlet line 28,20 outlet of needle-valve are communicated between 20 inlet end of 19 outlet side of the second threeway and needle-valve
End is fixed with production flow line 29 and is connected to.
In the use of the present invention, reaching the opening of automatic switch valve 31 set by controller 1 when the time in gas well liquid loading
Time value or extraction air-casing pressure value, oil pressure value respectively reach to automatic switch valve 31 set by controller 1 and open required pressure
When value, controller 1 is transmitted to automatic switch valve 31, automatic switch valve 31 by the signal for opening valve signal output end valve
Open, extraction gas by admission line 21 to Pneumatic diaphragm valve 16 provide gas source, Pneumatic diaphragm valve 16 open, realize gas well from
Dynamicization is opened；Reach the time value or extraction air-casing pressure value, oil pressure of the closing of automatic switch valve 31 set by controller 1 when the time
Value respectively reaches when closing required pressure value to automatic switch valve 31 set by controller 1, and controller 1 passes through valve signal is defeated
The signal that outlet valve is closed is transmitted to automatic switch valve 31, and automatic switch valve 31 is closed, and extraction gas is given by admission line 21
Pneumatic diaphragm valve 16 closes gas source, and Pneumatic diaphragm valve 16 is closed, and realizes that the automation of gas well is closed.
The present invention passes through controller 1 to the switch of automatic switch valve 31, and then controls the switch of Pneumatic diaphragm valve 16, realizes
To the automation control of gas well switch, guarantee to open between the automation of gas well, switchs gas well, gas well liquid loading system without the upper well of personnel
Adjustment in time, while greatly improving production efficiency, guarantees gas well Efficient Development.
As shown in Fig. 1, the first gas pipeline 22 between the right inlet end of casing pressure threeway 3 and the left outlet side of the first four-way 12
On be fixedly installed with left wing's sleeve valve 7.
As shown in Fig. 1, the 4th admission line between the right outlet side of the first four-way 12 and the lower inlet end of the second threeway 19
Right flank sleeve valve 8 is fixedly installed on 27.
As shown in Fig. 1, the second gas pipeline on the first four-way 12 between outlet side and the lower inlet end of the second four-way 13
Main production valve 9 is fixedly installed on 23.
As shown in Fig. 1, it is fixedly installed on the third gas pipeline 24 between the second four-way 13 and the first threeway 14 secondary
Produce valve 10.
As shown in Fig. 1, the 6th gas line between the right outlet side of the second four-way 13 and the left inlet end of plug four-way 18
Spare production valve 11 is fixedly installed on 26.
As shown in Fig. 1, pressure release cock 15 is fixedly installed at 14 upper end outlet of the first threeway.
When pipeline pressure is high, is switched by pressure release cock and carry out emergency decompression.
As shown in Fig. 1, the 5th gas line between 18 upper air end of the right outlet side of the first threeway 14 and plug four-way
Throttle valve 17 is fixedly installed on the right side of Pneumatic diaphragm valve 16 on 25.
Setting throttle valve avoids pipeline from there is the phenomenon that builds the pressure for adjusting pipeline internal pressure power.
The above technical features constitute embodiments of the present invention, can basis with stronger adaptability and implementation result
Actual needs increases and decreases non-essential technical characteristic, to meet the needs of different situations.
The present invention use process is as follows: in gas well normal productive process, by left wing's sleeve valve 7, main production valve 9,
Secondary production valve 10 is opened, and right flank sleeve valve 8, spare production valve 11 are closed, and throttle valve 17 and needle-valve 20 are according to gas well feelings
Condition is adjusted to suitable aperture, and controller 1 switchs automatic switch valve 31 by the switch well condition of setting, and then to pneumatic thin
Film valve 16 is switched, and is opened to realize the automation of gas well, switchs gas well, gas well liquid loading system tune without the upper well of personnel
It is whole timely, while production efficiency is greatly improved, guarantee gas well Efficient Development.
Claims (8)
1. opening wellhead assembly between a kind of gas well automation, it is characterised in that including controller, liquid-gas separator, casing pressure threeway, set
Pressure sensor, oil pressure threeway, oil pressure sensor, Pneumatic diaphragm valve, the first four-way, the second four-way, needle-valve, liquid-gas separator outlet
It is communicated with admission line between end and Pneumatic diaphragm valve inlet end, automatic switch valve is installed, controller is equipped on admission line
Casing pressure signal input part, fuel injection pressure signal input terminal, valve signal output end, casing pressure signal input part and set pressure sensor signal are defeated
Outlet electrical connection, fuel injection pressure signal input terminal is electrically connected with oil pressure sensor signal output end, valve signal output end with open automatically
The signal input part of closing valve is electrically connected, and gas-liquid separator inlet end is connected with the left outlet end of casing pressure threeway, and casing pressure threeway is right
First gas pipeline is communicated between inlet end and the left outlet side of the first four-way, inlet end and well head total inlet pipe under the first four-way
Line is fixed and is connected to, and the right outlet side of the first four-way is communicated with the 4th gas line, on the first four-way under outlet side and the second four-way
Second gas pipeline is communicated between inlet end, the left outlet side of the second four-way is fixed and is connected to the right inlet end of oil pressure threeway, the
The right outlet side of two four-ways is fixed and is connected to the 6th gas line, and outlet side is communicated with third gas pipeline on the second four-way, the
Three gas lines are fixed and are connected to by the first threeway with the 5th gas line, the 5th gas line and the 4th gas line,
Six gas lines are fixed and are connected to by plug four-way, and Guan County is equipped with Pneumatic diaphragm valve, the 4th flue on the 5th gas line
Second threeway is installed on line, total outlet line, needle-valve outlet side are communicated between the second threeway outlet side and needle-valve inlet end
It fixes and is connected to production flow line.
2. opening wellhead assembly between gas well according to claim 1 automation, it is characterised in that the right inlet end of casing pressure threeway with
Left wing's sleeve valve is fixedly installed on first gas pipeline between the left outlet side of first four-way.
3. opening wellhead assembly between gas well automation according to claim 1 or 2, it is characterised in that the right outlet side of the first four-way
Right flank sleeve valve is fixedly installed with on the 4th admission line under the second threeway between inlet end.
4. opening wellhead assembly between gas well automation according to claim 1 or 2, it is characterised in that outlet side on the first four-way
With main production valve is fixedly installed on the second gas pipeline under the second four-way between inlet end.
5. opening wellhead assembly between gas well according to claim 3 automation, it is characterised in that on the first four-way outlet side with
Main production valve is fixedly installed on second gas pipeline under second four-way between inlet end.
6. opening wellhead assembly between the automation of gas well described according to claim 1 or 2 or 5, it is characterised in that the second four-way and the
Time production valve is fixedly installed on third gas pipeline between one threeway；Or/and the second right outlet side of four-way and plug four
Spare production valve is fixedly installed on the 6th gas line led between left inlet end；Or/and first at threeway upper end outlet
It is fixedly installed with pressure release cock；Or/and the first the 5th gas line between the right outlet side of threeway and plug four-way upper air end
On Pneumatic diaphragm valve on the right side of be fixedly installed with throttle valve.
7. opening wellhead assembly between gas well automation according to claim 3, it is characterised in that the second four-way and the first threeway
Between third gas pipeline on be fixedly installed with time production valve；Or/and second the right outlet side of four-way and a plug four-way left side into
Spare production valve is fixedly installed on the 6th gas line between gas end；Or/and the first fixed peace at threeway upper end outlet
Equipped with pressure release cock；Or/and the gas on the first the 5th gas line between the right outlet side of threeway and plug four-way upper air end
Throttle valve is fixedly installed on the right side of dynamic membrane valve.
8. opening wellhead assembly between gas well automation according to claim 4, it is characterised in that the second four-way and the first threeway
Between third gas pipeline on be fixedly installed with time production valve；Or/and second the right outlet side of four-way and a plug four-way left side into
Spare production valve is fixedly installed on the 6th gas line between gas end；Or/and the first fixed peace at threeway upper end outlet
Equipped with pressure release cock；Or/and the gas on the first the 5th gas line between the right outlet side of threeway and plug four-way upper air end
Throttle valve is fixedly installed on the right side of dynamic membrane valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810457771.1A CN109469460A (en) | 2018-05-14 | 2018-05-14 | Wellhead assembly is opened between gas well automation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810457771.1A CN109469460A (en) | 2018-05-14 | 2018-05-14 | Wellhead assembly is opened between gas well automation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109469460A true CN109469460A (en) | 2019-03-15 |
Family
ID=65659961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810457771.1A Pending CN109469460A (en) | 2018-05-14 | 2018-05-14 | Wellhead assembly is opened between gas well automation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109469460A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4989671A (en) * | 1985-07-24 | 1991-02-05 | Multi Products Company | Gas and oil well controller |
| US5132904A (en) * | 1990-03-07 | 1992-07-21 | Lamp Lawrence R | Remote well head controller with secure communications port |
| CN2753872Y (en) * | 2004-12-01 | 2006-01-25 | 中国石油天然气股份有限公司 | Intelligent gas wellhead safety and protection device |
| CN201620836U (en) * | 2010-03-03 | 2010-11-03 | 中国石油天然气股份有限公司 | Exploiting device using high-pressure gas well to inject intermittent on-off gas well |
| CN102536191A (en) * | 2012-03-15 | 2012-07-04 | 中国石油集团西部钻探工程有限公司 | Automatic throttle control device for pressure-controlled well drilling |
| CN102635337A (en) * | 2012-04-13 | 2012-08-15 | 中国石油天然气股份有限公司 | Rapid gas production method implemented after coiled tubing is put in gas well |
| CN204041002U (en) * | 2014-08-30 | 2014-12-24 | 中石化重庆涪陵页岩气勘探开发有限公司 | A kind of shale gas well gas testing gas wellhead equipment |
| CN104695906A (en) * | 2013-12-06 | 2015-06-10 | 中国石油天然气股份有限公司 | Special control system for producing oil-gas well plunger gas lift |
| CN204457600U (en) * | 2014-11-17 | 2015-07-08 | 中国石油天然气股份有限公司 | A kind of individual well automatic control switch well system |
| CN105089572A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Intelligent production adjusting method and device for gas wells |
| CN105239967A (en) * | 2015-10-20 | 2016-01-13 | 中国石油天然气股份有限公司 | Automatic control method of plunger gas-lift liquid drainage production of oil-gas well |
| CN106869856A (en) * | 2017-03-06 | 2017-06-20 | 自贡市英派尔阀门制造有限公司 | Natural gas well head remote intelligent switch control device |
| CN107605464A (en) * | 2017-09-22 | 2018-01-19 | 中国石油集团西部钻探工程有限公司 | Gas well switch board control system and its control method |
| CN107806334A (en) * | 2017-12-08 | 2018-03-16 | 中山乐满石油设备有限公司 | Intelligent gas production system is opened between a kind of antifreeze regulation cut-off combination valve of full Wireless integrated electric |
| CN207332828U (en) * | 2017-08-10 | 2018-05-08 | 重庆矿产资源开发有限公司 | A kind of wellhead assembly for shale gas well hydraulic jet pump mining |
| CN208380547U (en) * | 2018-05-14 | 2019-01-15 | 中国石油集团西部钻探工程有限公司 | Wellhead assembly is opened between gas well automation |
-
2018
- 2018-05-14 CN CN201810457771.1A patent/CN109469460A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4989671A (en) * | 1985-07-24 | 1991-02-05 | Multi Products Company | Gas and oil well controller |
| US5132904A (en) * | 1990-03-07 | 1992-07-21 | Lamp Lawrence R | Remote well head controller with secure communications port |
| CN2753872Y (en) * | 2004-12-01 | 2006-01-25 | 中国石油天然气股份有限公司 | Intelligent gas wellhead safety and protection device |
| CN201620836U (en) * | 2010-03-03 | 2010-11-03 | 中国石油天然气股份有限公司 | Exploiting device using high-pressure gas well to inject intermittent on-off gas well |
| CN102536191A (en) * | 2012-03-15 | 2012-07-04 | 中国石油集团西部钻探工程有限公司 | Automatic throttle control device for pressure-controlled well drilling |
| CN102635337A (en) * | 2012-04-13 | 2012-08-15 | 中国石油天然气股份有限公司 | Rapid gas production method implemented after coiled tubing is put in gas well |
| CN104695906A (en) * | 2013-12-06 | 2015-06-10 | 中国石油天然气股份有限公司 | Special control system for producing oil-gas well plunger gas lift |
| CN105089572A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Intelligent production adjusting method and device for gas wells |
| CN204041002U (en) * | 2014-08-30 | 2014-12-24 | 中石化重庆涪陵页岩气勘探开发有限公司 | A kind of shale gas well gas testing gas wellhead equipment |
| CN204457600U (en) * | 2014-11-17 | 2015-07-08 | 中国石油天然气股份有限公司 | A kind of individual well automatic control switch well system |
| CN105239967A (en) * | 2015-10-20 | 2016-01-13 | 中国石油天然气股份有限公司 | Automatic control method of plunger gas-lift liquid drainage production of oil-gas well |
| CN106869856A (en) * | 2017-03-06 | 2017-06-20 | 自贡市英派尔阀门制造有限公司 | Natural gas well head remote intelligent switch control device |
| CN207332828U (en) * | 2017-08-10 | 2018-05-08 | 重庆矿产资源开发有限公司 | A kind of wellhead assembly for shale gas well hydraulic jet pump mining |
| CN107605464A (en) * | 2017-09-22 | 2018-01-19 | 中国石油集团西部钻探工程有限公司 | Gas well switch board control system and its control method |
| CN107806334A (en) * | 2017-12-08 | 2018-03-16 | 中山乐满石油设备有限公司 | Intelligent gas production system is opened between a kind of antifreeze regulation cut-off combination valve of full Wireless integrated electric |
| CN208380547U (en) * | 2018-05-14 | 2019-01-15 | 中国石油集团西部钻探工程有限公司 | Wellhead assembly is opened between gas well automation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208380547U (en) | Wellhead assembly is opened between gas well automation | |
| CN203223605U (en) | Diaphragm pilot valve capable of detecting pressure and flow rate | |
| CN109469460A (en) | Wellhead assembly is opened between gas well automation | |
| CN201180830Y (en) | Self-closing valve for household pipe gas ultra-underpressure, micro-leakage and falling of hose | |
| CN208966265U (en) | Wellhead assembly is opened between gas well automation | |
| CN203499946U (en) | Water discharging device for air storage tank of air compressor | |
| CN105605267A (en) | Gas pressure regulator achieving direct action through spring load | |
| CN201924887U (en) | Single-well control submodule for split control system | |
| CN104165739A (en) | Method for testing pressure by adoption of vertical and automatic heat collector flow channel pressure test machine | |
| CN205191226U (en) | Possesses gas pressure regulating system who detects stable transmission of atmospheric pressure | |
| CN212616564U (en) | Air control type blower decompression valve | |
| CN207814948U (en) | Benefit exhaust apparatus with multiple safety protection | |
| CN207489630U (en) | A kind of novel transformer oil filling pipeline connection structure | |
| CN201401637Y (en) | Building-type main and auxiliary double-path gas pressure regulator | |
| CN210423868U (en) | Double-pilot pressure self-regulating valve | |
| CN210164900U (en) | Intelligent pressure regulating device | |
| CN210105821U (en) | Wellhead device for intermittent gas lift liquid drainage and gas production assisted by plunger | |
| CN208309687U (en) | A kind of intelligent emergent supply equipment | |
| CN206478453U (en) | Fluid delivery system | |
| CN216867604U (en) | Integral type pressure reducing valve group | |
| CN206458450U (en) | A kind of well group condensate tapping equipment | |
| CN205781038U (en) | Pneumatic tubing clip valve | |
| CN217784858U (en) | Gas pipeline safety valve group control system | |
| CN215522890U (en) | Steam purge surge tank for PDH reactor | |
| CN220017383U (en) | Incinerator waste liquid pipeline purging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191008 Address after: No. 6, liupukang, Xicheng District, Beijing 100120 Applicant after: PetroChina Natural Gas Group Co., Ltd. Applicant after: CNPC Xibu Drilling Engineering Company Limited Address before: 830026 science and technology management division, West drilling and Drilling Engineering Institute, No. 326 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, China Applicant before: CNPC Xibu Drilling Engineering Company Limited |