CN202031536U - Novel control system of well-mouth safety valve - Google Patents
Novel control system of well-mouth safety valve Download PDFInfo
- Publication number
- CN202031536U CN202031536U CN2011200482311U CN201120048231U CN202031536U CN 202031536 U CN202031536 U CN 202031536U CN 2011200482311 U CN2011200482311 U CN 2011200482311U CN 201120048231 U CN201120048231 U CN 201120048231U CN 202031536 U CN202031536 U CN 202031536U
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- stop valve
- oil supply
- accumulator
- supply loop
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Abstract
The utility model discloses a novel control system of a well-mouth safety valve, which comprises an energy accumulator, an oil supply loop and a control loop, wherein the energy accumulator is connected with a stop valve; the oil supply loop comprises an oil tank; the oil tank is connected with a plunger pump through a check valve; the plunger pump is connected with the stop valve of the energy accumulator through two check valves; the control loop comprises a motor connected with the plunger pump and a motor controller connected with the motor; the motor controller and the stop valve of the energy accumulator are connected; a pressure gauge and a hand-operated direction valve are sequentially connected with a pipeline between the check valve of the oil supply loop and the stop valve of the energy accumulator; the hand-operated direction valve is connected with the safety valve through the stop valve; and the pressure gauge is connected between the stop valve and the safety valve. The novel control system does not rely on compressed air so as to simplify the structure of the system; and the novel control system has more reliable performance and longer service life, is more convenient in maintenance and suitable for more extensive occasions of production operation, and can work normally particularly under the mal-condition with an extremely low temperature.
Description
Technical field
The utility model relates to the equipment of a kind of recover petroleum or natural gas, relates in particular to a kind of novel control system of well mouth release valve.
Background technology
At present, the opening pressure of the safety valve of the domestic the Northwest of China overwhelming majority oil gas well is about 15000 psi (100MPa), and the conventional hydraulic device that existing device adopts, maximum working pressure can only reach 5000 psi (35MPa), can't satisfy instructions for use.Owing to use the on-the-spot high inflammable and explosive occasion of concentration of natural gas that is, require explosive-proof grade to reach more than the EXD II BT4, adopt electric hydraulic pump and electromagnetic valve in the device and have, can make system's heating up during work and be easy to generate electric spark, there is serious potential safety hazard, and prior art can only be controlled surface safety valve (SSV), and can't control storm valve.When producing, the oil gas well need keep the state of driving a well for a long time, and very high to the voltage stabilizing requirement of well head safe control valve device like this, and the control valve in the existing device is a sliding valve structure, leakage rate is too big, can't keep oil gas well ordinary production when unattended.When pressure oscillation exceeded setting range in the oil recovery tracheae line, control system should be closed well mouth release valve immediately, and the accident that prevents takes place.And can't realize this function in the existing device.
In order to address the above problem, China Patent No. " 200510089173.6 " discloses a kind of control system of well mouth release valve, and its applying date is on August 5th, 2005, and open day is on February 7th, 2007.Though solved above-mentioned subproblem, still there is following deficiency in this patented technology: adopt the gas drive booster pump as power set, and its structure relative complex, corollary apparatus is had relatively high expectations, and must there be compressed air at the scene as power source.Long-term dependability is relatively poor, especially more obvious at low temperature environment, can not satisfy the relatively poor environment requirement in well site.
The utility model content
The purpose of this utility model is to overcome the problems referred to above that existing control system of well mouth release valve exists, a kind of novel control system of well mouth release valve is provided, the utility model no longer relies on compressed air, thereby simplified system architecture, performance is more reliable, keep in repair convenient, longer service life, be applicable to that use in the production operation place widely, especially also can operate as normal under the extremely low mal-condition of temperature.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of novel control system of well mouth release valve comprises accumulator, it is characterized in that: also comprise oil supply loop and control loop, accumulator is connected with stop valve; Described oil supply loop comprises fuel tank, and fuel tank is connected with plunger displacement pump by one way valve, and plunger displacement pump is connected with the stop valve of accumulator by two one way valves; Described control loop comprises motor that is connected with plunger displacement pump and the electric machine controller that is connected with motor, and electric machine controller is connected with the stop valve of accumulator; Also be connected with pressure meter and hand-operated direction valve in turn on the pipeline between the one way valve of described oil supply loop and the stop valve of accumulator, hand-operated direction valve is connected with safety valve by stop valve, also is connected with pressure meter between stop valve and the safety valve.
The utility model also comprises manual oil supply loop, described manual oil supply loop comprises oil inlet end one way valve that is connected with fuel tank and the manual pump that is connected with the oil inlet end one way valve, and manual pump is connected to by the oil outlet end one way valve on the pipeline between two one way valves of oil supply loop.
Described electric machine controller also is connected with pressure switch, and electric machine controller is connected with the stop valve of accumulator by the pressure switch device.
Also be connected with stop valve between the stop valve of described accumulator and the hand-operated direction valve by pipeline.
Also be connected with overflow valve between two one way valves of described oil supply loop by pipeline.
Adopt advantage of the present utility model to be:
One, the utility model comprises oil supply loop and control loop, and accumulator is connected with stop valve; Described oil supply loop comprises fuel tank, and fuel tank is connected with plunger displacement pump by one way valve, and plunger displacement pump is connected with the stop valve of accumulator by two one way valves; Described control loop comprises motor that is connected with plunger displacement pump and the electric machine controller that is connected with motor, electric machine controller is connected with the stop valve of accumulator, compare as the existing control system of well mouth release valve of power set with employing gas drive booster pump, performance is more reliable, keep in repair convenient, longer service life, and owing to adopt power supply as power source, no longer rely on compressed air, thereby simplified system architecture, be applicable to that use in the production operation place widely, especially also can operate as normal under the extremely low mal-condition of temperature.
Two, in the utility model, electric machine controller also is connected with pressure switch, and electric machine controller is connected with the stop valve of accumulator by the pressure switch device, and required pressure size can be adjusted easily by pressure switch, and has increased reliability.
Three, the utility model also comprises manual oil supply loop, described manual oil supply loop comprises oil inlet end one way valve that is connected with fuel tank and the manual pump that is connected with the oil inlet end one way valve, manual pump is connected to by the oil outlet end one way valve on the pipeline between two one way valves of oil supply loop, manual pump can adopt manual pump to come to provide power for system under the power free situation of system as the servicing unit of system.
Four, in the utility model, also be connected with pressure meter and hand-operated direction valve in turn on the pipeline between the one way valve of oil supply loop and the stop valve of accumulator, hand-operated direction valve is connected with safety valve by stop valve, also be connected with pressure meter between stop valve and the safety valve, can control closing and opening of surface safety valve (SSV) easily, and the pressure size can show simple in structure, easy to maintenance, reliable operation intuitively by two pressure meters.
Description of drawings
Fig. 1 is control principle figure of the present utility model
Be labeled as among the figure: 1, fuel tank, 2, one way valve A, 3, manual pump, 4, one way valve B, 5, stop valve A, 6, accumulator, 7, pressure meter A, 8, pressure meter B, 9, safety valve, 10, stop valve B, 11, hand-operated direction valve, 12, shutoff valve C, 13, one way valve C, 14, overflow valve, 15, one way valve D, 16, plunger displacement pump, 17, pressure switch, 18, electric machine controller, 19, one way valve E.
The specific embodiment
A kind of novel control system of well mouth release valve comprises accumulator, also comprises oil supply loop and control loop, and accumulator is connected with stop valve; Described oil supply loop comprises fuel tank, and fuel tank is connected with plunger displacement pump by one way valve, and plunger displacement pump is connected with the stop valve of accumulator by two one way valves; Described control loop comprises motor that is connected with plunger displacement pump and the electric machine controller that is connected with motor, and electric machine controller is connected with the stop valve of accumulator; Also be connected with pressure meter and hand-operated direction valve in turn on the pipeline between the one way valve of described oil supply loop and the stop valve of accumulator, hand-operated direction valve is connected with safety valve by stop valve, also is connected with pressure meter between stop valve and the safety valve.Motor in the utility model is preferably the isolation fire-proof motor.
The utility model also comprises manual oil supply loop, described manual oil supply loop comprises oil inlet end one way valve that is connected with fuel tank and the manual pump that is connected with the oil inlet end one way valve, and manual pump is connected to by the oil outlet end one way valve on the pipeline between two one way valves of oil supply loop.
Preferred implementation of the present utility model is, electric machine controller also is connected with pressure switch, and electric machine controller is connected with the stop valve of accumulator by the pressure switch device.
Another preferred implementation of the present utility model is also to be connected with stop valve by pipeline between the stop valve of accumulator and the hand-operated direction valve.
Another preferred implementation of the present utility model is also to be connected with overflow valve by pipeline between two one way valves of oil supply loop.
Plunger displacement pump is system's fuel feeding under explosion separation motor drives, and system pressure is stored in the accumulator, and the big I of required pressure is adjusted by pressure switch.Well mouth release valve is in normally open, need close then and can implement by the operation hand-operated direction valve.The pressure size is shown by pressure meter.System pressure is too high, then operates by regulating overflow valve.Manual pump is come to provide power for system by it under the power free situation of system as the servicing unit of system.
After connecting power supply, the work of driven by motor plunger displacement pump is injected accumulator with the hydraulic oil in the fuel tank, thereby is set up system pressure.Pressure switch detects in real time to system pressure, and when system pressure reached setting value, motor quit work.When system pressure was lower than setting value, motor drove plunger displacement pump work automatically and provides oil pressure for system.
Claims (5)
1. a novel control system of well mouth release valve comprises accumulator, it is characterized in that: also comprise oil supply loop and control loop, accumulator is connected with stop valve; Described oil supply loop comprises fuel tank, and fuel tank is connected with plunger displacement pump by one way valve, and plunger displacement pump is connected with the stop valve of accumulator by two one way valves; Described control loop comprises motor that is connected with plunger displacement pump and the electric machine controller that is connected with motor, and electric machine controller is connected with the stop valve of accumulator; Also be connected with pressure meter and hand-operated direction valve in turn on the pipeline between the one way valve of described oil supply loop and the stop valve of accumulator, hand-operated direction valve is connected with safety valve by stop valve, also is connected with pressure meter between stop valve and the safety valve.
2. novel control system of well mouth release valve according to claim 1, it is characterized in that: also comprise manual oil supply loop, described manual oil supply loop comprises oil inlet end one way valve that is connected with fuel tank and the manual pump that is connected with the oil inlet end one way valve, and manual pump is connected to by the oil outlet end one way valve on the pipeline between two one way valves of oil supply loop.
3. novel control system of well mouth release valve according to claim 1 and 2 is characterized in that: described electric machine controller also is connected with pressure switch, and electric machine controller is connected with the stop valve of accumulator by the pressure switch device.
4. novel control system of well mouth release valve according to claim 1 and 2 is characterized in that: also be connected with stop valve by pipeline between the stop valve of described accumulator and the hand-operated direction valve.
5. novel control system of well mouth release valve according to claim 4 is characterized in that: also be connected with overflow valve by pipeline between two one way valves of described oil supply loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200482311U CN202031536U (en) | 2011-02-25 | 2011-02-25 | Novel control system of well-mouth safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200482311U CN202031536U (en) | 2011-02-25 | 2011-02-25 | Novel control system of well-mouth safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202031536U true CN202031536U (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200482311U Expired - Fee Related CN202031536U (en) | 2011-02-25 | 2011-02-25 | Novel control system of well-mouth safety valve |
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|---|---|
| CN (1) | CN202031536U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103806866A (en) * | 2012-11-08 | 2014-05-21 | 西安希佛隆阀门有限公司 | Well mouth remote control adjustment and urgent switching-off protection device |
| CN104019083A (en) * | 2014-06-23 | 2014-09-03 | 镇江杭川机械制造有限公司 | Hydraulic testing system |
| CN104196501A (en) * | 2014-03-03 | 2014-12-10 | 陕西延长石油(集团)有限责任公司研究院 | Automatic production allocation system for high and medium pressure gas fields |
| CN104968887A (en) * | 2012-08-17 | 2015-10-07 | S.P.M.流量控制股份有限公司 | Automated relief valve control system and method |
| CN105465067A (en) * | 2015-12-09 | 2016-04-06 | 沈阳飞研航空设备有限公司 | Multifunctional combined pump |
| CN106761502A (en) * | 2017-03-10 | 2017-05-31 | 南阳市亚华石油机械有限公司 | Surge mud gate valve control device |
| CN107060672A (en) * | 2017-03-10 | 2017-08-18 | 南阳市亚华石油机械有限公司 | Surge mud gate valve control method |
| US9964245B2 (en) | 2007-07-03 | 2018-05-08 | S.P.M. Flow Control, Inc. | Swivel joint with uniform ball bearing requirements |
| USD873860S1 (en) | 2013-07-01 | 2020-01-28 | S.P.M. Flow Control, Inc. | Mounting bracket for manifold assembly |
| US10557576B2 (en) | 2015-06-15 | 2020-02-11 | S.P.M. Flow Control, Inc. | Full-root-radius-threaded wing nut having increased wall thickness |
| US10677365B2 (en) | 2015-09-04 | 2020-06-09 | S.P.M. Flow Control, Inc. | Pressure relief valve assembly and methods |
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2011
- 2011-02-25 CN CN2011200482311U patent/CN202031536U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9964245B2 (en) | 2007-07-03 | 2018-05-08 | S.P.M. Flow Control, Inc. | Swivel joint with uniform ball bearing requirements |
| US9857807B2 (en) | 2012-08-17 | 2018-01-02 | S.P.M. Flow Control, Inc. | Automated relief valve control system and method |
| CN104968887A (en) * | 2012-08-17 | 2015-10-07 | S.P.M.流量控制股份有限公司 | Automated relief valve control system and method |
| CN103806866A (en) * | 2012-11-08 | 2014-05-21 | 西安希佛隆阀门有限公司 | Well mouth remote control adjustment and urgent switching-off protection device |
| CN103806866B (en) * | 2012-11-08 | 2016-12-21 | 西安希佛隆阀门有限公司 | A kind of well head far controls regulation emergency cut-off protection device |
| US10738928B2 (en) | 2013-07-01 | 2020-08-11 | S.P.M. Flow Control, Inc. | Manifold assembly |
| USD873860S1 (en) | 2013-07-01 | 2020-01-28 | S.P.M. Flow Control, Inc. | Mounting bracket for manifold assembly |
| CN104196501A (en) * | 2014-03-03 | 2014-12-10 | 陕西延长石油(集团)有限责任公司研究院 | Automatic production allocation system for high and medium pressure gas fields |
| CN104196501B (en) * | 2014-03-03 | 2017-01-25 | 陕西延长石油(集团)有限责任公司研究院 | Automatic production allocation system for high and medium pressure gas fields |
| CN104019083A (en) * | 2014-06-23 | 2014-09-03 | 镇江杭川机械制造有限公司 | Hydraulic testing system |
| US11519530B2 (en) | 2015-06-15 | 2022-12-06 | Spm Oil & Gas Inc. | Full-root-radius-threaded wing nut having increased wall thickness |
| US10557576B2 (en) | 2015-06-15 | 2020-02-11 | S.P.M. Flow Control, Inc. | Full-root-radius-threaded wing nut having increased wall thickness |
| US10677365B2 (en) | 2015-09-04 | 2020-06-09 | S.P.M. Flow Control, Inc. | Pressure relief valve assembly and methods |
| CN105465067A (en) * | 2015-12-09 | 2016-04-06 | 沈阳飞研航空设备有限公司 | Multifunctional combined pump |
| CN107060672A (en) * | 2017-03-10 | 2017-08-18 | 南阳市亚华石油机械有限公司 | Surge mud gate valve control method |
| CN106761502A (en) * | 2017-03-10 | 2017-05-31 | 南阳市亚华石油机械有限公司 | Surge mud gate valve control device |
| CN106761502B (en) * | 2017-03-10 | 2023-11-17 | 南阳市亚华石油机械有限公司 | Hydraulic mud gate valve control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20180225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |