CN201568049U - Automatic pressure test device of oil-production wellhead equipment - Google Patents
Automatic pressure test device of oil-production wellhead equipment Download PDFInfo
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- CN201568049U CN201568049U CN2009203094503U CN200920309450U CN201568049U CN 201568049 U CN201568049 U CN 201568049U CN 2009203094503 U CN2009203094503 U CN 2009203094503U CN 200920309450 U CN200920309450 U CN 200920309450U CN 201568049 U CN201568049 U CN 201568049U
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Abstract
The utility model relates to an automatic pressure test device of an oil-production wellhead equipment. The automatic pressure test device comprises a pressure test pump, a pressure test pipeline, a pressure sensor, a control box and an electromagnetic valve, wherein the control box is internally provided with a PLC (programmable logic controller); the panel is provided with a pressure setting knob, a resetting button and a liquid crystal display screen; a signal output terminal of a pressure sensor is connected with an analog input terminal of the PLC; signal output terminals of the pressure setting knob and the resetting button are respectively connected with a digital input terminal of the PLC; the signal input terminal of the liquid crystal display screen is connected with the analog output terminal of the PLC; the signal input terminal of the electromagnetic valve is connected with the digital output terminal of the PLC; and the electromagnetic valve controls the running of the pressure test pump. The test pressure is set by the pressure setting knob, and the automatic controlling of the pressure test process is realized by the PLC. When the equipment or the pressure test pipeline leaks or blasts, the pressure test stops automatically and an operator is prompted to carry out the maintenance. The pressure test device realizes the automatic control function and the safety protection function of the pressure test process.
Description
Technical field
The utility model relates to the pressure test technology of oil extraction well mouth equipment, specifically is a kind of automatic pressure testing device that is used for oil extraction well mouth equipment.
Background technology
Oil extraction well mouth equipment such as production tree, preventer etc. will bear the effect of pressing from OIH, belong to high-tension apparatus.In the well site, these equipment will regularly carry out the voltage-withstand test check according to mode of occupation, thus assurance equipment and personal safety.The oil extraction well mouth equipment pressure testing device mainly is made of hydraulic test pump, pressure testing pipeline, pressure sensor, and pressure testing device is generally transported to the well site by the manifold tool car and carried out the pressure testing operation.During pressure testing, the pressure testing pipeline is connected with oil extraction well mouth equipment, and pressure sensor is installed on the pressure testing pipeline.Hydraulic test pump pressurizes to the oil extraction well mouth equipment water filling by the pressure testing pipeline, the data that pressure sensor is gathered show by the pressure meter on the operating desk, after reaching the pressure testing setup pressure value, stop hydraulic test pump, observe force value within a certain period of time, according to the force value situation of change, judge whether to exist situations such as leakage, explosion, and then evaluation oil extraction well mouth equipment voltage endurance capability.Because pressure test pressure can be up to 140MPa, during pressure testing, a common people operates at operating desk, and all the other staff will be away from the pressure testing place.In case during situations such as wellhead equipment appearance leakage, explosion, need manual-lock hydraulic test pump immediately, and leakage appears in oil extraction well mouth equipment under the high pressure, explosion is breakneck.
The utility model content
The purpose of this utility model provides the automatic pressure testing device of a kind of oil extraction well mouth equipment, can not only realize automatic pressure testing function, also has function of safety protection in the pressure testing process.
For achieving the above object, the automatic pressure testing device of the utility model oil extraction well mouth equipment, comprise hydraulic test pump, the pressure testing pipeline, pressure sensor, the pressure testing pipeline is connected with oil extraction well mouth equipment, pressure sensor is installed on the pressure testing pipeline, also comprise control cabinet, electromagnetic valve, one PLC controller is installed in the described control cabinet, the pressure setting knob is installed on the control cabinet panel, reset button, LCDs, described pressure sensor signal output is connected with PLC controller analog quantity input, described pressure setting knob, the reset button signal output part is connected with PLC controller digital quantity input respectively, the LCDs signal input part is connected with PLC controller analog quantity output, the electromagnetic valve signal input part is connected with PLC controller digital quantity output, the operation of solenoid control hydraulic test pump.
Also comprise buzzer siren, described buzzer siren signal input part is connected with PLC controller digital quantity output, also be equipped with on the described control cabinet panel and suppress run indicator, voltage regulation operation indicator lamp, buzzing alarm lamp, the signal input part of suppressing run indicator, voltage regulation operation indicator lamp, buzzing alarm lamp is connected with PLC controller digital quantity output respectively.
On the described control cabinet panel danger button is installed also, the danger button signal output part is connected with PLC controller digital quantity input.
Operating principle: the utility model using PLC controller is realized the automatic pressure testing control of oil extraction well mouth equipment, give the central processor CPU input test pressure setting value of PLC controller by the pressure setting knob, gather pressure value in the pressure testing process in real time by pressure sensor, the pressure data of pressure sensor collection is transferred to the central processor CPU of PLC controller by current signal, CPU receives the pressure data signal and stores, computing, analyze, after the comparison process, send corresponding control signal, control electromagnetic valve is opened or is closed, the operation of solenoid control hydraulic test pump.In the pressure testing process, hydraulic test pump at first to pressure testing pipeline and wellhead equipment water filling pressurization, is called again and suppresses, and suppresses to the test pressure setting value voltage stabilizing some minutes, the voltage endurance capability of check oil extraction well mouth equipment.In each stage of pressure testing, if pressure occurring descends when exceeding setting range, illustrate that there are situations such as leakage or explosion in oil extraction well mouth equipment or pressure testing pipeline, CPU receives the current signal that pressure sensor is sent here, after computing, analysis, comparison process, the outage of output order control electromagnetic valve is closed, and the control hydraulic test pump is out of service, control buzzer siren warning and the flicker of buzzing alarm lamp simultaneously, the indication operating personnel carry out maintenance and inspection.Maintenance restarts pressure testing after finishing.Pressure testing as quitting work, is directly pressed scram button midway, and the outage of PLC control electromagnetic valve is closed, and hydraulic test pump is out of service.
In sum, the utlity model has following function and advantage:
1, behind the required test pressure of setting, device can carry out pressure testing to oil extraction well mouth equipment automatically, and pressure testing quits work after finishing automatically.
2, in the pressure testing process, during as if situations such as oil extraction well mouth equipment, pressure testing pipeline appearance leakage, explosions, stop hydraulic test pump work and warning automatically, thus assurance equipment and personal safety.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model schematic block circuit diagram.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, present embodiment carries out the voltage-withstand test check to oil extraction well mouth equipment production tree 7.Automatically pressure testing device comprises hydraulic test pump 1, electromagnetic valve 2, control cabinet 3, pressure testing pipeline 4, pressure sensor 5, buzzer siren 6.Pressure testing pipeline 4 is connected with production tree 7, and pressure sensor 5 is installed on the pressure testing pipeline 4, and buzzer siren 6 is installed in the appropriate location, well site.As shown in Figure 1 and Figure 2, be equipped with in the control cabinet 3 and pressure setting knob, reset button, danger button, LCDs are installed on PLC controller, the control cabinet panel, suppress run indicator, voltage regulation operation indicator lamp, buzzing alarm lamp.The PLC controller mainly is made up of central processor CPU module, ups power module, input and output I/O module, the I/O module is divided into digital quantity input, digital quantity output, analog quantity input, analog output module, and the ups power module provides working power for the integrated circuit of each module of PLC.Pressure sensor is powered by external direct current 24V power supply.The pressure sensor signal output is connected with PLC controller analog quantity input, and pressure sensor output 4～20mA current signal sends CPU to; The signal output part of pressure setting knob, reset button, danger button is connected with PLC controller digital quantity input respectively, and pressure setting knob, reset button, danger button constitute the setting area of control cabinet; The LCDs signal input part is connected with PLC controller analog quantity output, and the electromagnetic valve signal input part is connected with PLC controller digital quantity output, and the solenoid control hydraulic test pump moves or stops.The buzzer siren signal input part is connected with PLC controller digital quantity output; The signal input part of suppressing run indicator, voltage regulation operation indicator lamp, buzzing alarm lamp is connected with PLC controller digital quantity output respectively, LCDs, suppresses the viewing area that run indicator, voltage regulation operation indicator lamp, buzzing alarm lamp constitute control cabinet.Pressure sensor, electromagnetic valve, hydraulic test pump, pressure testing pipeline etc. constitute the operating mode district of pressure testing device.
Claims (3)
1. automatic pressure testing device of oil extraction well mouth equipment, comprise hydraulic test pump, the pressure testing pipeline, pressure sensor, the pressure testing pipeline is connected with oil extraction well mouth equipment, pressure sensor is installed on the pressure testing pipeline, it is characterized in that: also comprise control cabinet, electromagnetic valve, one PLC controller is installed in the described control cabinet, the pressure setting knob is installed on the control cabinet panel, reset button, LCDs, described pressure sensor signal output is connected with PLC controller analog quantity input, described pressure setting knob, the reset button signal output part is connected with PLC controller digital quantity input respectively, the LCDs signal input part is connected with PLC controller analog quantity output, the electromagnetic valve signal input part is connected with PLC controller digital quantity output, the operation of solenoid control hydraulic test pump.
2. the automatic pressure testing device of oil extraction well mouth equipment according to claim 1, it is characterized in that: also comprise buzzer siren, described buzzer siren signal input part is connected with PLC controller digital quantity output, also be equipped with on the described control cabinet panel and suppress run indicator, voltage regulation operation indicator lamp, buzzing alarm lamp, the signal input part of suppressing run indicator, voltage regulation operation indicator lamp, buzzing alarm lamp is connected with PLC controller digital quantity output respectively.
3. the automatic pressure testing device of oil extraction well mouth equipment according to claim 1, it is characterized in that: on the described control cabinet panel danger button is installed also, the danger button signal output part is connected with PLC controller digital quantity input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203094503U CN201568049U (en) | 2009-09-02 | 2009-09-02 | Automatic pressure test device of oil-production wellhead equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203094503U CN201568049U (en) | 2009-09-02 | 2009-09-02 | Automatic pressure test device of oil-production wellhead equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201568049U true CN201568049U (en) | 2010-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203094503U Expired - Fee Related CN201568049U (en) | 2009-09-02 | 2009-09-02 | Automatic pressure test device of oil-production wellhead equipment |
Country Status (1)
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| CN (1) | CN201568049U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808476A (en) * | 2012-11-06 | 2014-05-21 | 河北省锅炉压力容器监督检验院 | Hyper-pressure explosion detection system |
| RU194448U1 (en) * | 2019-10-29 | 2019-12-11 | Андрей Анатольевич Дегтярев | TESTING STATION FOR ANTI-EMISSION EQUIPMENT |
| RU2718549C1 (en) * | 2019-08-31 | 2020-04-08 | Андрей Анатольевич Дегтярев | Hydropneumatic two-pump station for hydraulic testing and pressure testing of blowout prevention equipment |
| RU2720429C1 (en) * | 2019-08-31 | 2020-04-29 | Андрей Анатольевич Дегтярев | Hydropneumatic station for hydraulic testing and pressure testing of blowout preventer equipment |
| CN113175309A (en) * | 2020-01-09 | 2021-07-27 | 中国石油天然气股份有限公司 | Well head safety pressure testing device |
| RU213477U1 (en) * | 2022-05-18 | 2022-09-13 | Рустем Борисович Бакеев | DEVICE FOR HYDRAULIC AND PNEUMATIC TESTING OF PREVENTOR |
-
2009
- 2009-09-02 CN CN2009203094503U patent/CN201568049U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808476A (en) * | 2012-11-06 | 2014-05-21 | 河北省锅炉压力容器监督检验院 | Hyper-pressure explosion detection system |
| RU2718549C1 (en) * | 2019-08-31 | 2020-04-08 | Андрей Анатольевич Дегтярев | Hydropneumatic two-pump station for hydraulic testing and pressure testing of blowout prevention equipment |
| RU2720429C1 (en) * | 2019-08-31 | 2020-04-29 | Андрей Анатольевич Дегтярев | Hydropneumatic station for hydraulic testing and pressure testing of blowout preventer equipment |
| RU194448U1 (en) * | 2019-10-29 | 2019-12-11 | Андрей Анатольевич Дегтярев | TESTING STATION FOR ANTI-EMISSION EQUIPMENT |
| CN113175309A (en) * | 2020-01-09 | 2021-07-27 | 中国石油天然气股份有限公司 | Well head safety pressure testing device |
| RU213477U1 (en) * | 2022-05-18 | 2022-09-13 | Рустем Борисович Бакеев | DEVICE FOR HYDRAULIC AND PNEUMATIC TESTING OF PREVENTOR |
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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: 20100901 Termination date: 20150902 |
|
| EXPY | Termination of patent right or utility model |