CN203515557U - Sucker-rod pump well long-distance liquid level monitoring device capable of automatically switching testing modes - Google Patents
Sucker-rod pump well long-distance liquid level monitoring device capable of automatically switching testing modes Download PDFInfo
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- CN203515557U CN203515557U CN201320402114.XU CN201320402114U CN203515557U CN 203515557 U CN203515557 U CN 203515557U CN 201320402114 U CN201320402114 U CN 201320402114U CN 203515557 U CN203515557 U CN 203515557U
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Abstract
The utility model relates to a sucker-rod pump well long-distance liquid level monitoring device capable of automatically switching the testing modes. The sucker-rod pump well long-distance liquid level monitoring device comprises an automatically-testing device and a pressure device, and the sleeve pressure is tested through a pressure transmitter inside the automatically-testing device before testing; under the condition that the sleeve pressure is higher than 0.1MPa, a circuit board in the automatically-testing device controls a pressure triggering mechanism communicated with a sleeve to trigger the pressure triggering mechanism, part of gas in the sleeve is released to form infrasonic sound waves, and the liquid level depth is tested according to the sound wave reflection principle; under the condition that the sleeve pressure is lower than 0.1MPa, the circuit board in the automatically-testing device controls the pressure device arranged outside the monitoring device to conduct gas compression for 5-10 seconds, the pressure device is shut down after the gas is compressed, then a non-pressure triggering mechanism is controlled to be triggered, the compressed gas is instantly released to the interior of the sleeve to form infrasonic sound waves, and the liquid level depth is tested according to the sound wave reflection principle. The sucker-rod pump well long-distance liquid level monitoring device is suitable for liquid level parameter obtaining mating devices in long-time continuous monitoring and oil and gas field digitalization construction.
Description
technical field:
The utility model provides a kind of rod pumped well remote liquid level supervising device of automatic conversion testing mode, belongs to exploitation of oil-gas field technical field.
technical background:
Level test is a requisite job in the conventional exploitation of oil gas field, a lot of emphasis wells, takes out well and new well workover needs long-time continuous monitoring level situation of change.In oil gas field digital Construction, the obtain manner of this key parameter of level is more single, whether the way adopting is in the market according to having casing pressure to decide the mode of infrasound generation, for the well that has casing pressure, adopt abrupt release inside pipe casing gas to form infrasound and carry out level test, for there is no the well of casing pressure, need to not change the tester of being furnished with external gas sound source, by external pressurized, form gas sound source abrupt release and carry out level test to inside pipe casing, yet some Oil/gas Well in process of production casing pressure cuts in and out, such words carries out equipment replacement along with casing pressure changes and extremely bothers.Continuous monitoring equipment due to liquid level need to be placed on use scene, field for a long time simultaneously, the temperature of some environment for use can reach subzero 40 degrees Celsius, the microphone of conventional equipment is owing to there is no heater in this case, through being everlasting, its surface forms the thin ice of being formed by condensed water, cause sensitivity to decline, equipment malfunction.
summary of the invention:
The utility model provides a kind of rod pumped well remote liquid level supervising device of automatic conversion testing mode, can monitor continuously the device that cover is pressed in 0 ~ 5MPa rod pumped well level.
the rod pumped well remote liquid level supervising device of the disclosed automatic conversion testing mode of the utility model, its concrete solution is as follows:
Comprise and be arranged on the automatic testing equipment of rod pumped well sleeve opening and for not having casing pressure when test to form the external pressurized device of gases at high pressure, described automatic testing equipment includes pressure excitation mechanism, excitation mechanism with no pressure, pressure transmitter, circuit board, connect base, housing, micro-sound transducer assembly, top cover, there is the excitation mechanism of pressure inlet end to be communicated with base by connector, outlet side is connected with top cover by connector, excitation mechanism inlet end with no pressure is connected with the output interface of external water booster system by connector, outlet side is communicated with base by connector, pressure transmitter is threaded connection mode and is fixed on the base that is not communicated with side with sleeve pipe, microphone assembly is fixed on the base that is communicated with side with sleeve pipe.
Described excitation mechanism with no pressure comprises guide electromagnetic valve, one way valve, connector and heating plate, the inlet end of one way valve is connected with the outlet side of guide electromagnetic valve, the outlet side of one way valve is as the outlet side of excitation structure with no pressure, the inlet end of guide electromagnetic valve is as the inlet end of excitation mechanism with no pressure, and heating plate sticks on the side of electromagnetic valve by heat conductive silica gel.
The described excitation mechanism of pressure that has comprises guide electromagnetic valve, heating plate and connector, heating plate sticks on electromagnetic valve side by heat conductive silica gel, the inlet end of electromagnetic valve by connector be connected base and connect, and be connected with sleeve pipe, the outlet side of electromagnetic valve is communicated with by connector unit top cover, and communicates with atmosphere.
Described microphone assembly comprises microphone, protection housing and heater, and wherein heater sticks on protection hull outside by heat conductive silica gel.
Described external pressurized device comprises casing, air compressor machine, relay, input interface, output interface, power supply interface, communication interface, standby electric power and wiring terminal, and wherein air compressor machine is fixed on bottom half.
Described circuit board comprises that impedance inverter circuit, filter circuit, amplifying circuit, A/D Acquisition Circuit, memory circuit, buffer circuit, real time clock circuit, gain control circuit, control energizing circuit, control heater circuit, control add volt circuit, RS232 communication interface circuit, RS485 communication interface circuit.
The remote transmission that GPRS module realizes data can be installed in described automatic testing equipment inside.
The heating plate of described automatic testing equipment inside can be controlled heating by the heating control circuit of circuit board.
good effect of the present utility model is:
Adopt a set of equipment can realize having cover kill-job (0.1 ~ 5MPa) and carrying out level without cover kill-job (0 ~ 0.1MPa) and monitor continuously, do not need to change change testing equipment because of surface casing pressure; Can monitor continuously and overlap the device that is pressed in 0 ~ 5MPa rod pumped well level, be characterized in automatically selecting sound wave producing method according to casing pressure, on microphone and excitation mechanism, is all furnished with heater, assurance equipment operating temperature is normal use within the scope of-40 ~ 120 degrees Celsius, be equipped with frequency conversion interface simultaneously, can form closed loop with frequency converter, according to level, change and adjust at any time frequency conversion frequency, thereby improve extraction efficiency.On excitation mechanism and microphone assembly, be equipped with heating module, operating temperature range is widened to-45 ~ 120 degrees Celsius.The standard output electric interfaces of equipment configuration band isolation, contributes to form closed-loop system, improves extraction efficiency.Minimum test interval can be accomplished 60 seconds.During well surveying examination with no pressure, sound wave producing method is by Compressed Gas, cost saving.
accompanying drawing explanation:
Fig. 1 is utility model automatic testing equipment structural representation;
Fig. 2 is utility model external pressurized apparatus structure schematic diagram;
In figure: 1-1. connects base; 1-2. pressure transmitter; 1-3. one way valve; 1-4. heating plate with no pressure; 1-5. is without pressure electromagnetic valve; 1-6. housing; The 1-7. connector that pressurizes; 1-8. switch indication light; 1-9. gas vent; 1-10. top cover; 1-11. has pressure heating plate; 1-12. there is pressure electromagnetic valve; 1-13. circuit board; 1-14. microphone assembly; 2-1. input interface; 2-2. output interface; 2-3. power supply interface; 2-4. communication interface; 2-5. casing; 2-6. standby electric power; 2-7. air compressor machine; 2-8. relay; 2-9. wiring terminal.
the specific embodiment:
As shown in Figures 1 and 2, automatically the rod pumped well remote liquid level supervising device of conversion testing mode comprises automatic testing equipment and external pressurized device, described automatic testing equipment comprises connection base 1-1, pressure transmitter 1-2, there is pressure excitation mechanism, excitation mechanism with no pressure, circuit board 1-13, housing 1-6, microphone assembly 1-14, top cover 1-10, gas vent 1-9, pressurization connector 1-7, switch indication light 1-8, described microphone assembly 1-14 is fixed on and connects the base 1-1 side that communicates with sleeve pipe, by wire, be connected with circuit board 1-13, have and press one end of excitation mechanism to be fixed on and to connect base 1-1 and the obstructed side of sleeve pipe by connector, one end is connected with air vent 1-9 by connector in addition, excitation mechanism with no pressure one end is fixed on and is connected base 1-1 and the obstructed side of sleeve pipe by connector, one end is connected with pressurization interface 1-7 by connector in addition, switch indication light 1-8 is fixed on top cover, by wire, be connected with circuit board 1-13.
Wherein, by pressing excitation mechanism by forming by pressure electromagnetic valve 1-12 and by pressure heating plate 1-11, wherein there is the heating plate of pressure 1-11 by heat conductive silica gel, to stick on the side of pressure electromagnetic valve 1-12, have pressure electromagnetic valve 1-12 and have the heating plate of pressure 1-11 to be connected with circuit board 1-13 by wire.
Excitation mechanism with no pressure is by without pressure electromagnetic valve 1-5, one way valve 1-3 and heating plate 1-4 with no pressure form, heating plate 1-4 with no pressure sticks on the side without pressure electromagnetic valve 1-5 by heat conductive silica gel, inlet end without pressure electromagnetic valve 1-5 is connected with pressurization connector 1-7 by connector, the outlet side of one way valve 1-5 with no pressure is connected with the inlet end of one way valve 1-3 by connector, the outlet side of one way valve 1-3 is connected by a connector side not identical with sleeve pipe with connecting base 1-1, and be communicated with sleeve pipe, without pressure electromagnetic valve 1-5 and heating plate 1-4 with no pressure, by wire, be connected with circuit board 1-13.
Pressure transmitter 1-2 is fixed on and connects base 1-1 and the obstructed side of sleeve pipe, and communicates with sleeve pipe.
Housing 1-6 by circuit board 1-13, have and press excitation mechanism, excitation mechanism with no pressure, pressure transmitter 1-2 protection inner at device, play protection and waterproof action.
Water booster system comprises input interface 2-1, output interface 2-2, power supply interface 2-3, communication interface 2-4, casing 2-5, standby electric power 2-6, air compressor machine 2-7, relay 2-8, wiring terminal 2-9, the outlet pipe of air compressor machine 2-7 is connected with output interface 2-2 by screw thread, the anodal relay 2-8 of air compressor machine 2-7 power line switching point wire connects, air compressor machine 2-7 power line negative pole is received on wiring terminal 2-9 by wire, relay 2-8 power supply and input are connected with wiring terminal 2-9 by wire, relay 2-8 control end is connected with input interface 2-1 by wire, externally fed wire connects by power supply interface 2-3, communication interface 2-4 output control signal can be connected with the frequency converter of the switch board inside of rod pumped well.
Standby electric power 2-6, air compressor machine 2-7, wiring terminal 2-9 are fixed on casing 2-5 bottom.
The utility model can be arranged on Oil/gas Well scene for a long time, by on-the-spot DC12 power supply, can realize the continuous liquid level monitoring function of the shortest 60 seconds test intervals, avoided causing because casing pressure changes the drawback that cannot test and cause equipment to freeze and cannot use because environment for use temperature is too low simultaneously, miniaturization waterproofing design effectively raises stability and the reliability of equipment, and the demand of simultaneously monitoring continuously for liquid level provides perfect solution.
its course of work is:
Before test, press automatic testing equipment is connected with rod pumped well sleeve opening by connecting base 1-1, the output interface 2-2 of external pressurized device is connected with the pressurization connector 1-7 of automatic testing equipment by nylon hose, testing time to time pressure transmitter 1-2 first detect casing pressure, when casing pressure is during higher than 0.1MPa, the excitation control circuit of circuit board 1-13 is controlled has the excitation mechanism of pressure to excite, abrupt release part sheath gas, formation expansion infrasound passes downwards along the oil sets annular space of rod pumped well, run into well head, joint hoop, reflector and liquid level form back wave, back wave converts weak electric signal to after being received by microphone assembly 1-14, this signal carries out impedance transformation by the impedance inverter circuit of circuit board 1-13, then pass through successively signal amplification circuit, signal filter circuit, A/D Acquisition Circuit, finally store and automatically calculate level.When casing pressure casing pressure is during lower than 0.1MPa, after starting 5 ~ 10, the air compressor machine 2-7 of the pressurized control circuit control external pressurized device inside of circuit board 1-13 closes, then the excitation control circuit of circuit board 1-13 is controlled excitation mechanism with no pressure and is excited, the oil sets annular space that the gas abrupt release of external pressurized device compression is entered into rod pumped well is inner, the oil sets annular space that the compression sound wave forming prolongs rod pumped well passes downwards, run into well head, joint hoop, reflector and liquid level form back wave, back wave converts weak electric signal to after being received by microphone assembly 1-14, this signal carries out impedance transformation by the impedance inverter circuit of circuit board 1-13, then pass through successively signal amplification circuit, signal filter circuit, A/D Acquisition Circuit, finally store and automatically calculate level.
Claims (7)
1. a rod pumped well remote liquid level supervising device for automatic conversion testing mode, is characterized in that:
Comprise and be arranged on the automatic testing equipment of rod pumped well sleeve opening and for not having casing pressure when test to form the external pressurized device of gases at high pressure, described automatic testing equipment includes pressure excitation mechanism, excitation mechanism with no pressure, pressure transmitter, circuit board, connect base, housing, micro-sound transducer assembly, top cover, there is the excitation mechanism of pressure inlet end to be communicated with base by connector, outlet side is connected with top cover by connector, excitation mechanism inlet end with no pressure is connected with the output interface of external water booster system by connector, outlet side is communicated with base by connector, pressure transmitter is threaded connection mode and is fixed on the base that is not communicated with side with sleeve pipe, microphone assembly is fixed on the base that is communicated with side with sleeve pipe.
2. the rod pumped well remote liquid level supervising device of automatic conversion testing mode according to claim 1, is characterized in that:
Excitation mechanism with no pressure comprises guide electromagnetic valve, one way valve, connector and heating plate, the inlet end of one way valve is connected with the outlet side of guide electromagnetic valve, the outlet side of one way valve is as the outlet side of excitation structure with no pressure, the inlet end of guide electromagnetic valve is as the inlet end of excitation mechanism with no pressure, and heating plate sticks on the side of electromagnetic valve by heat conductive silica gel.
3. the rod pumped well remote liquid level supervising device of automatic conversion testing mode according to claim 1, is characterized in that:
There is the excitation mechanism of pressure to comprise guide electromagnetic valve, heating plate and connector, heating plate sticks on electromagnetic valve side by heat conductive silica gel, the inlet end of electromagnetic valve by connector be connected base and connect, and be connected with sleeve pipe, the outlet side of electromagnetic valve is communicated with by connector unit top cover, and communicates with atmosphere.
4. the rod pumped well remote liquid level supervising device of automatic conversion testing mode according to claim 1, is characterized in that:
Described microphone assembly comprises microphone, protection housing and heater, and wherein heater sticks on protection hull outside by heat conductive silica gel.
5. the rod pumped well remote liquid level supervising device of automatic conversion testing mode according to claim 1, is characterized in that:
Described external pressurized device comprises casing, air compressor machine, relay, input interface, output interface, power supply interface, communication interface, standby electric power and wiring terminal, and wherein air compressor machine is fixed on bottom half.
6. the rod pumped well remote liquid level supervising device of automatic conversion testing mode according to claim 1, is characterized in that: described circuit board comprises that impedance inverter circuit, filter circuit, amplifying circuit, A/D Acquisition Circuit, memory circuit, buffer circuit, real time clock circuit, gain control circuit, control energizing circuit, control heater circuit, control add volt circuit, RS232 communication interface circuit, RS485 communication interface circuit.
7. the rod pumped well remote liquid level supervising device of automatic conversion testing mode according to claim 1, is characterized in that:
The remote transmission that GPRS module realizes data can be installed in described automatic testing equipment inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320402114.XU CN203515557U (en) | 2013-07-08 | 2013-07-08 | Sucker-rod pump well long-distance liquid level monitoring device capable of automatically switching testing modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320402114.XU CN203515557U (en) | 2013-07-08 | 2013-07-08 | Sucker-rod pump well long-distance liquid level monitoring device capable of automatically switching testing modes |
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| Publication Number | Publication Date |
|---|---|
| CN203515557U true CN203515557U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320402114.XU Expired - Fee Related CN203515557U (en) | 2013-07-08 | 2013-07-08 | Sucker-rod pump well long-distance liquid level monitoring device capable of automatically switching testing modes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909239A (en) * | 2016-07-06 | 2016-08-31 | 沈阳新石科技有限公司 | Multifunctional automatic oil well liquid level monitoring device |
-
2013
- 2013-07-08 CN CN201320402114.XU patent/CN203515557U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909239A (en) * | 2016-07-06 | 2016-08-31 | 沈阳新石科技有限公司 | Multifunctional automatic oil well liquid level monitoring 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: 20140402 Termination date: 20150708 |
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| EXPY | Termination of patent right or utility model |