CN201794556U - Automatic gas production system for gas well - Google Patents
Automatic gas production system for gas well Download PDFInfo
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- CN201794556U CN201794556U CN2010202118876U CN201020211887U CN201794556U CN 201794556 U CN201794556 U CN 201794556U CN 2010202118876 U CN2010202118876 U CN 2010202118876U CN 201020211887 U CN201020211887 U CN 201020211887U CN 201794556 U CN201794556 U CN 201794556U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model relates to an automatic gas production system for a gas well, which is used for exploration of oil and gas and comprises a control box and a one-way air feeding pneumatic gate valve, wherein the control box is used for controlling on and off of the one-way air feeding pneumatic gate valve. The control box is composed of a pressure transmitter, a controller, a solar panel, an electromagnetic valve, a pressure reducing valve, a separation gas storage cylinder, a check valve and the like. Power is supplied to the controller through the solar panel. The one-way air feeding pneumatic gate valve is installed on a christmas tree in front of a throttle valve. The controller is connected with the one-way air feeding pneumatic gate valve through a driving air line and controls on and off of the one-way air feeding pneumatic gate valve according to set control parameters and received monitoring signals (well head pressure signals, production pressure signals and time control signals) to respectively realize constant pressure gas production, constant differential pressure gas production, timed gas production of a gas well and safe disconnection. The automatic gas production system for a gas well can realize unattended operation, automatic safe production and simultaneously greatly reduce production cost by means of multiple control parameters.
Description
Technical field
The utility model relates to the automatic gas production of a kind of natural gas well system that is used for oil and gas exploitation, belongs to the equipment technology of electromechanical integration petroleum gas safety gas production.
Background technology
Gas field gas well manufacturing process, there are the following problems usually: 1) conventional gas well is along with the prolongation of production time, and gas well pressure constantly reduces, and when continuous production gas can't enter production flow line, can only be interrupted production; 2) after hypotonic high-pressure gas well was produced in the short time, gas well pressure just was reduced to and can't enters the production pipe network, also promptly can only be interrupted production; 3) marginal well unmanned usually is difficult to guarantee safety in production; 4) consider user's needs, often need the time switch well, be interrupted and produce.And present oil field is in order to keep above-mentioned gas well production, usually need constantly patrol well, observe gas well pressure, whether determine the switch well or directly adopt regularly manual control switch's well, this mode of production not only needs a large amount of manpowers and unable, and can not guarantee the production of gas well highly effective and safe.
Produce in order to ensure above-mentioned gas well highly effective and safe, reduce production costs.At present domesticly begin development and use gas well automatic gas production system and declared corresponding patent, but used and declared the automatic gas production of the gas well system of patent from the scene, had problems such as systemic-function imperfection, structure relative complex, manufacturing cost height.
Summary of the invention
The purpose of this utility model is in order to solve the deficiencies in the prior art, the automatic gas production of a kind of natural gas well system to be provided, realizing that level pressure gas production, the gas production of level pressure difference, timing gas production and the safety of gas well is blocked.
The technical solution of the utility model:
The automatic gas production of a kind of natural gas well of the utility model system comprises control cabinet, unidirectional air inlet Pneumatic gate valve, is realized the control that unidirectional air inlet Pneumatic gate valve is opened and closed by control cabinet.Described control cabinet is made up of pressure transmitter, controller, solar panel, electromagnetic valve, reducing valve, separation gas bomb and ball-and-seat etc.Controller provides electric energy by solar panel.Unidirectional air inlet Pneumatic gate valve is installed in before the choke valve on the christmas tree.Control cabinet links to each other with unidirectional air inlet Pneumatic gate valve by driving the tracheae line, link to each other with christmas tree choke valve outlet line by production pressure pipeline, link to each other with christmas tree sleeve pipe air hatch by getting the tracheae line, link to each other with christmas tree oil pipe air hatch by well head pressure pipeline.Get the tracheae line and connect christmas tree sleeve pipe air hatch, ball-and-seat, separation gas bomb successively; Drive the tracheae line and connect separation gas bomb, reducing valve, electromagnetic valve, unidirectional air inlet Pneumatic gate valve successively; Production pressure pipeline connects christmas tree choke valve production flow line pressure tappings, pressure transmitter afterwards successively; Well head pressure pipeline connects well head oil pipe air hatch and pressure transmitter successively.Controller realizes respectively that according to monitor signal (well head pressure signal, production pressure signal, time control signal) the unidirectional air inlet Pneumatic gate valve switch of control of controlling parameter of setting and reception level pressure gas production, the gas production of level pressure difference, timing gas production and the safety of gas well is blocked.
When in the controlling parameter scope that monitor signal that controller receives (well head pressure signal, produce pressure signal, time control signal) is being set, gas well is in the state of driving a well, i.e. production status.At this moment, be taken to the gas of christmas tree sleeve pipe air hatch through ball-and-seat by getting the tracheae line, after separating the gas bomb separation, " totally " gas is by driving reducing valve decompression, the electromagnetic valve of tracheae line, enter unidirectional air inlet Pneumatic gate valve cylinder, promote pressing spring under the unidirectional air inlet Pneumatic gate valve cylinder piston under gas pressure, unidirectional air inlet Pneumatic gate valve is opened ordinary production.
When in the controlling parameter scope that monitor signal that controller receives (well head pressure signal, produce pressure signal, time control signal) is not being set, gas well is in closing well state, i.e. end-of-life state.At this moment, drive the electromagnetic valve commutation of tracheae line, the gas in the unidirectional air inlet Pneumatic gate valve cylinder promotes cylinder piston under the effect of cylinder piston lower springs power up, and unidirectional air inlet Pneumatic gate valve is closed, and stops to produce.
Advantage of the present utility model and beneficial effect: 1, adopt solar panel, mix the battery of a constant volume, can be 24 hours uninterrupted power supplies of control cabinet, the control cabinet electric power system is simplified, made the utility model be suitable for not having the unidirectional air inlet Pneumatic gate valve open and close of control automatically of electric well on the other hand.2, " totally " gas that adopts gas well sleeve pipe gas to carry in control cabinet to separate after gasholder separates makes control cabinet drive the source of the gas air supply system on the one hand and simplifies as driving source of the gas, stablizes on the other hand, provides the driving source of the gas for native system reliably.3, adopt pressure transmitter sensing well head and production flow line pressure, can carry out the continuous pressure monitoring on the one hand, realize multiple Scheme Choice control according to user's needs on the other hand.4, drive the air pressure unidirectional air inlet Pneumatic gate valve lower chamber of air cylinder spring that contracts during ordinary production and open gate valve, and sensing value is when transfiniting, utilize the spring energy-storage closing gate valve, can be in time when guaranteeing on the one hand that the monitor signal that controller receives (well head pressure signal, produce pressure signal, time control signal) is in the controlling parameter scope of setting closing well reliably, the automatic closing gate valve of (as problems such as outage, pipeline gas leakage) unidirectional air inlet Pneumatic gate valve meeting was guaranteed security of system when system itself went wrong on the other hand.5, set different controlling parameter by controller, can under the effect of controller, control unidirectional air inlet Pneumatic gate valve switch and realize the level pressure gas production of gas well, the gas production of level pressure difference, timing gas production and safe blocking respectively.
The utlity model has simple in structure, reliability is high, low cost of manufacture, advantage easy for installation.
Description of drawings
Fig. 1 is the flow chart of the automatic gas production of a kind of natural gas well of the utility model system.
Among the figure: 1. separate gas bomb, 2. ball-and-seat is 3. got the tracheae line, 4. production flow line, 5. christmas tree, 6. unidirectional air inlet Pneumatic gate valve, 7. choke valve, 8. production pressure pipeline, 9. well head pressure pipeline, 10. reducing valve, 11. drive tracheae lines, 12. electromagnetic valves, 13. controller, 14. pressure transmitters, 15. pressure transmitters, 16. solar panel, 17. control cabinets.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
In Fig. 1, the automatic gas production of a kind of natural gas well of the utility model system comprises control cabinet 17 and unidirectional air inlet Pneumatic gate valve 6, and described control cabinet 17 is realized the control to unidirectional air inlet Pneumatic gate valve 6 open and close.Described control cabinet 17 is made up of pressure transmitter (14,15), controller 13, solar panel 16, electromagnetic valve 12, reducing valve 10, separation gas bomb 1 and ball-and-seat 2.Described unidirectional air inlet Pneumatic gate valve 6 is installed in before the choke valve 7 on the christmas tree 5.Described control cabinet is controlled unidirectional air inlet Pneumatic gate valve 6 by four pipelines.Article one, for getting tracheae line 3, links to each other with christmas tree 5 middle sleeve air hatch; Second links to each other with unidirectional air inlet Pneumatic gate valve 6 for driving tracheae line 11; Article three, be production pressure pipeline 8, link to each other with outlet production flow line 4 pressure tappings that are installed in christmas tree 5 choke valves 7; Article four, be well head pressure pipeline 9, link to each other with christmas tree 5 oil pipe pressure tappings.Described controller 13 respectively with solar panel 16, pressure transmitter (14,15), electromagnetic valve 12 connects, controller 13 utilizes solar panel 16 power supplies, reception is from producing and well head pressure line pressure transmitter (14,15) pressure signal, when monitor signal surpasses controller 13 setting values, 12 commutations of controller 13 commander's electromagnetic valves, make to drive source of the gas and be connected with unidirectional air inlet pneumatic brake 6 cylinders or disconnect, control unidirectional air inlet pneumatic brake 6 and open or close.
The utility model can be controlled unidirectional air inlet Pneumatic gate valve switch and realize the level pressure gas production of gas well, the gas production of level pressure difference, timing gas production and safe blocking respectively by setting different controlling parameter under the effect of controller.Its control embodiment is as follows:
(1) level pressure gas production: controller 13 controlling parameter are set to when the normal gas production in a pressure limit of gas well mouth pressure, otherwise are in the closing well state.The force value from well head pressure pipeline 9 pressure transmitters 15 that controller 13 will receive during system works constantly compares with setting value, when recording force value and reach the low voltage value of setting, controller 13 will command unidirectional air inlet Pneumatic gate valve 6 to cut out, and promptly gas well stops to produce; When recording force value and reach the high-voltage value of setting, controller 13 will command unidirectional air inlet Pneumatic gate valve 6 to drive a well, and promptly gas well begins to produce.(2) level pressure difference gas production: controller 13 controlling parameter are set to the normal gas production in a pressure limit when gas well mouth pressure and production flow line 4 pressure pressure reduction, otherwise are in the closing well state.The pressure that controller will receive during system works from well head pressure pipeline 9 transmitters 15 and production flow line pressure 8 transmitters 14, both pressure reduction is constantly compared with setting value, when recording pressure difference and reach the low pressure difference of setting, controller 13 will command unidirectional air inlet Pneumatic gate valve 6 to cut out, and promptly gas well stops to produce; When recording pressure difference and reach the high pressure difference of setting, controller 13 will command unidirectional air inlet Pneumatic gate valve 6 to drive a well, and promptly gas well begins to produce.(3) regularly gas production: controller 13 controlling parameter are set to time normal gas production in a time scope, otherwise are in the closing well state.Controller 13 internal clocks constantly compare continuous and setting-up time value during system works, and when controller 13 internal clocks reach the initial value of setting-up time, controller 13 will command unidirectional air inlet Pneumatic gate valve 6 to drive a well, and promptly gas well begins to produce; When controller 13 internal clocks reach the end point values of setting-up time, controller will command unidirectional air inlet Pneumatic gate valve 6 to cut out, and promptly gas well stops to produce.(4) safety is blocked: controller 13 controlling parameter are set to when the normal gas production in a pressure limit of production flow line pressure, otherwise are in the closing well state.The force value from production pressure pipeline 8 pressure transmitters 14 that controller 13 will receive during system works constantly compares with setting high and low pressure value; when recording force value and be lower than the low voltage value of setting or be higher than the high-voltage value of setting; controller 13 will command unidirectional air inlet Pneumatic gate valve 6 to cut out; be that the gas well emergency safety blocks; thereby protection gas well production flow line is guaranteed the person and device security.
Claims (2)
1. the automatic gas production of natural gas well system, comprise control cabinet (17) and unidirectional air inlet Pneumatic gate valve (6), it is characterized in that, described control cabinet (17) is made up of pressure transmitter (14,15), controller (13), solar panel (16), electromagnetic valve (12), reducing valve (10), separation gas bomb (1) and ball-and-seat (2); Described controller (13) provides electric energy by solar panel (16); Described unidirectional air inlet Pneumatic gate valve (6) is installed in choke valve (7) before on the christmas tree (5); Described control cabinet (17) is controlled unidirectional air inlet Pneumatic gate valve (6) by four pipelines, and article one links to each other with christmas tree (5) middle sleeve air hatch for getting tracheae line (3); Second links to each other with unidirectional air inlet Pneumatic gate valve (6) for driving tracheae line (11); Article three, be production pressure pipeline (8), link to each other with outlet production flow line (4) pressure tappings that is installed in christmas tree (5) choke valve (7); Article four, be well head pressure pipeline (9), link to each other with christmas tree (5) oil pipe pressure tappings.
2. the automatic gas production of a kind of natural gas well according to claim 1 system is characterized in that, described controller (13) connects with solar panel (16), pressure transmitter (14,15), electromagnetic valve (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202118876U CN201794556U (en) | 2010-06-02 | 2010-06-02 | Automatic gas production system for gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202118876U CN201794556U (en) | 2010-06-02 | 2010-06-02 | Automatic gas production system for gas well |
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| Publication Number | Publication Date |
|---|---|
| CN201794556U true CN201794556U (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202118876U Expired - Fee Related CN201794556U (en) | 2010-06-02 | 2010-06-02 | Automatic gas production system for gas well |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089537A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Simple plunger piston device of gas well mouth and gas well gas production method |
| CN107561955A (en) * | 2017-09-22 | 2018-01-09 | 中国石油集团西部钻探工程有限公司 | Gas well switch board |
| CN107780885A (en) * | 2016-08-24 | 2018-03-09 | 中国石油天然气股份有限公司 | A kind of method and apparatus of intelligent switch well |
| CN109025901A (en) * | 2018-09-18 | 2018-12-18 | 中国石油集团西部钻探工程有限公司 | Wellhead assembly is opened between gas well automation |
| CN111364941A (en) * | 2020-05-14 | 2020-07-03 | 托普威尔石油技术股份公司成都分公司 | Shale gas well wellhead pressure control method and control system thereof |
| CN113833434A (en) * | 2021-09-28 | 2021-12-24 | 四川省威沃敦化工有限公司 | Remote intelligent control device and method for gas production at wellhead |
-
2010
- 2010-06-02 CN CN2010202118876U patent/CN201794556U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089537A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Simple plunger piston device of gas well mouth and gas well gas production method |
| CN107780885A (en) * | 2016-08-24 | 2018-03-09 | 中国石油天然气股份有限公司 | A kind of method and apparatus of intelligent switch well |
| CN107780885B (en) * | 2016-08-24 | 2020-05-08 | 中国石油天然气股份有限公司 | Method and device for intelligently switching on and off well |
| CN107561955A (en) * | 2017-09-22 | 2018-01-09 | 中国石油集团西部钻探工程有限公司 | Gas well switch board |
| CN109025901A (en) * | 2018-09-18 | 2018-12-18 | 中国石油集团西部钻探工程有限公司 | Wellhead assembly is opened between gas well automation |
| CN111364941A (en) * | 2020-05-14 | 2020-07-03 | 托普威尔石油技术股份公司成都分公司 | Shale gas well wellhead pressure control method and control system thereof |
| CN113833434A (en) * | 2021-09-28 | 2021-12-24 | 四川省威沃敦化工有限公司 | Remote intelligent control device and method for gas production at wellhead |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20120602 |