CN110617056A - Triggering method and device for liquid level test of high-pressure oil-gas well - Google Patents

Triggering method and device for liquid level test of high-pressure oil-gas well Download PDF

Info

Publication number
CN110617056A
CN110617056A CN201911082559.2A CN201911082559A CN110617056A CN 110617056 A CN110617056 A CN 110617056A CN 201911082559 A CN201911082559 A CN 201911082559A CN 110617056 A CN110617056 A CN 110617056A
Authority
CN
China
Prior art keywords
lower cavity
piston
pressure
cavity
channel
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.)
Granted
Application number
CN201911082559.2A
Other languages
Chinese (zh)
Other versions
CN110617056B (en
Inventor
薛胜龙
钟昌洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guizhou Aerospace Kaishan Petroleum Instrument Co Ltd
Original Assignee
Guizhou Aerospace Kaishan Petroleum Instrument Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guizhou Aerospace Kaishan Petroleum Instrument Co Ltd filed Critical Guizhou Aerospace Kaishan Petroleum Instrument Co Ltd
Priority to CN201911082559.2A priority Critical patent/CN110617056B/en
Publication of CN110617056A publication Critical patent/CN110617056A/en
Application granted granted Critical
Publication of CN110617056B publication Critical patent/CN110617056B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/04Measuring depth or liquid level
    • E21B47/047Liquid level

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention discloses a percussion method and a percussion device for liquid level testing of a high-pressure oil-gas well, wherein a shell is divided into an upper cavity and a lower cavity by a spacer block, and the upper cavity is communicated with a well head sleeve; high-pressure gas is filled into the upper cavity through the wellhead casing, and the high-pressure gas enters the lower cavity through the one-way valve channel; when the pressure of the lower cavity and the upper cavity is balanced, the inflation is stopped; starting the piston driving device to drive the piston to move towards the lower cavity along the piston channel, so that the pressure of the lower cavity is increased, and a pressure difference is formed between the upper cavity and the lower cavity; at the moment, the electromagnetic valve is started, so that high-pressure gas in the lower cavity is instantly released through the electromagnetic valve channel to generate a sound signal, and the aim of percussion is fulfilled. The invention can carry out the test by adopting the sleeve gas without providing air or compressed nitrogen outside, and can adopt a full-sealed structural design to ensure the sealing property of the device. Even if the firing device breaks down, the good sealing performance can prevent the leakage accident of the oil and gas well.

Description

Triggering method and device for liquid level test of high-pressure oil-gas well
Technical Field
The invention relates to a triggering method and a triggering device for liquid level testing of a high-pressure oil-gas well, and belongs to the technical field of high-pressure oil-gas well testing.
Background
Level depth testing of oil and gas wells is an important task for oil and gas field monitoring. The working condition of the oil well or the gas well can be judged through the liquid level test data so as to adjust production measures in time and achieve the aims of improving efficiency, saving energy and reducing consumption. The depth from the wellhead to the liquid level in the well reflects the flowing pressure in the well and is generally tested by an echo method.
The sound source in the existing liquid level test mainly comprises three types of sound and elastic explosion, compressed nitrogen release and compressed air release. The existing testing method has the technical problems of high testing cost, inconvenient operation, potential safety hazard, easy explosion, serious accidents, high-pressure oil and gas well leakage, environmental pollution and the like. Therefore, the prior art still has shortcomings and needs to be improved.
Disclosure of Invention
The invention aims to provide a triggering method and a triggering device for liquid level testing of a high-pressure oil-gas well, so as to eliminate potential safety hazards of the liquid level testing of the high-pressure oil-gas well and reduce testing cost, thereby overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a triggering method for liquid level testing of a high-pressure oil-gas well, which is characterized in that a shell is divided into an upper cavity and a lower cavity by a spacer block, wherein the upper cavity is communicated with a well head sleeve; high-pressure gas is filled into the upper cavity through the wellhead casing, and the high-pressure gas enters the lower cavity through the one-way valve channel; when the pressure of the lower cavity and the upper cavity is balanced, the inflation is stopped; starting the piston driving device to drive the piston to move towards the lower cavity along the piston channel, so that the pressure of the lower cavity is increased, and a pressure difference is formed between the upper cavity and the lower cavity; at the moment, the electromagnetic valve is started, so that high-pressure gas in the lower cavity is instantly released through the electromagnetic valve channel to generate a sound signal, and the aim of percussion is fulfilled.
In the triggering method, the filter is respectively arranged at the passage ports of the one-way valve passage, the piston passage and the electromagnetic valve passage close to one side of the upper cavity so as to prevent impurities in the well head sleeve from entering the lower cavity and influencing the triggering effect; impurities in the well head sleeve are prevented from entering the piston channel, and the movement and sealing effect of the piston are influenced.
In the triggering method, a one-way valve is arranged at one side of the one-way valve channel close to the lower cavity; and the gas in the upper cavity is allowed to enter the lower cavity through the one-way valve, and the gas in the lower cavity is prevented from flowing back to the upper cavity.
In the triggering method, a microphone is arranged on the shell of the upper cavity and is communicated with the upper cavity; the received sound signal is converted into a current signal by a microphone.
In the triggering method, the shell of the lower cavity is provided with the pressure relief valve; when the instrument is disassembled, the pressure release valve is opened, so that the interior of the lower cavity is communicated with the external environment, and safety accidents are prevented.
The percussion device for testing the liquid level of the high-pressure oil-gas well, which is formed according to the method, comprises a shell; the shell is internally provided with a partition block and is divided into an upper cavity and a lower cavity through the partition block; the partition block is provided with an electromagnetic valve channel, a one-way valve channel and a piston channel; one side of the electromagnetic valve channel close to the lower cavity is provided with an electromagnetic valve; one side of the one-way valve channel close to the lower cavity is provided with a one-way valve; a piston is arranged in the piston channel.
In the above trigger device, the electromagnetic valve channel, the one-way valve channel and the piston channel are respectively provided with a filter at the channel port close to the upper cavity side.
In the above-mentioned trigger device, a microphone is disposed on the upper cavity of the housing.
In the above-mentioned trigger device, the casing is located cavity of resorption department and is equipped with the relief valve.
In the firing device, the piston is connected with the inner wall of the piston channel in a sliding manner; the piston is provided with a sealing ring.
Due to the adoption of the technical scheme, compared with the prior art, the device can be tested by adopting sleeve gas, air or compressed nitrogen does not need to be supplied from the outside, and a full-sealed structural design can be adopted, so that the sealing property of the device is ensured. Even if the firing device breaks down, the good sealing performance can prevent the leakage accident of the oil and gas well. The invention has simple operation, does not use compressed air or compressed nitrogen, and can carry out the test by sending out a test command after the instrument is connected. The safety of the test process is high, and explosion and serious accidents cannot be caused. The invention can solve a series of problems of liquid level test of high-pressure oil-gas wells.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The labels in the figures are: 1-shell, 2-spacer block, 3-upper chamber, 4-lower chamber, 5-electromagnetic valve channel, 6-one-way valve channel, 7-piston channel, 8-filter, 9-electromagnetic valve, 10-sealing ring, 11-one-way valve, 12-piston, 13-microphone, 14-pressure release valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The invention relates to a triggering method for testing the liquid level of a high-pressure oil-gas well, which is characterized in that a shell 1 is divided into an upper cavity 3 and a lower cavity 4 by a spacer block 2, wherein the upper cavity 3 is communicated with a well head sleeve; high-pressure gas is filled into the upper cavity 3 through a wellhead casing, and the high-pressure gas enters the lower cavity 4 through the one-way valve channel 6; when the pressure of the lower cavity 4 and the upper cavity 3 is balanced, the inflation is stopped; starting a piston driving device to drive a piston 12 to move towards the lower cavity 4 along a piston channel 7, so that the pressure of the lower cavity 4 is increased, and a pressure difference is formed between the upper cavity 3 and the lower cavity 4; at this time, the solenoid valve 9 is started to instantly release the high-pressure gas in the lower cavity 4 through the solenoid valve channel 5 to generate a sound signal, thereby achieving the purpose of percussion.
In the triggering method, the filter 8 is respectively arranged at the channel ports of the one-way valve channel 6, the piston channel 7 and the electromagnetic valve channel 5 close to one side of the upper cavity 3 so as to prevent impurities in the well head sleeve from entering the lower cavity 4 and influencing the triggering effect; impurities in the well head sleeve are prevented from entering the piston channel 7, and the movement and the sealing effect of the piston 12 are influenced.
In the triggering method, a one-way valve 11 is arranged on one side of the one-way valve channel 6 close to the lower cavity 4; gas from upper chamber 3 is allowed to enter lower chamber 4 through one-way valve 11, preventing gas from lower chamber 4 from flowing back into upper chamber 3.
In the percussion method, a microphone 13 is arranged on the shell 1 of the upper cavity 3, so that the microphone 13 is communicated with the upper cavity 3; the received sound signal is converted into a current signal by the microphone 13.
In the above-mentioned percussion method, a pressure relief valve 14 is provided on the housing 1 of the lower chamber 4; when the instrument is disassembled, the pressure release valve 14 is opened, so that the interior of the lower cavity 4 is communicated with the external environment, and safety accidents are prevented.
The percussion device for the liquid level test of the high-pressure oil-gas well, which is formed according to the method, is shown in figure 1 and comprises a shell 1; a partition block 2 is arranged in the shell 1, and the shell 1 is divided into an upper cavity 3 and a lower cavity 4 through the partition block 2; the partition block 2 is provided with an electromagnetic valve channel 5, a one-way valve channel 6 and a piston channel 7; a solenoid valve 9 is arranged on one side of the solenoid valve channel 5 close to the lower cavity 4; one side of the one-way valve channel 6 close to the lower cavity 4 is provided with a one-way valve 11; a piston 12 is arranged in the piston channel 7. In order to achieve better effect, filters 8 are respectively arranged at the passage ports of the electromagnetic valve passage 5, the one-way valve passage 6 and the piston passage 7 close to one side of the upper cavity 3; a microphone 13 is arranged on the shell 1 at the upper cavity 3; a pressure relief valve 14 is arranged at the lower cavity 4 of the shell 1; the piston 12 is connected with the inner wall of the piston channel 7 in a sliding way; and a seal ring 10 is provided on the piston 12.
Examples
The embodiment is used for the triggering method of the liquid level test of the high-pressure oil-gas well, as shown in figure 1, and the arrow in figure 1 is a schematic flow direction of gas in the working process. The upper cavity 3 is connected with a wellhead casing pipe, casing pipe high-pressure gas is filled in the upper cavity 3, the high-pressure gas in the upper cavity 3 is filtered by the filter 8 and then enters the lower cavity 4 through the one-way valve 11, and the pressure of the lower cavity 4 is the same as that of the upper cavity 3. The electromagnetic valve 9 is closed, the piston 12 moves from the upper chamber 3 to the lower chamber 4 under the control of the driving mechanism, and compresses the gas in the lower chamber 4, so that the internal pressure of the lower chamber 4 is increased, and a pressure difference is formed between the lower chamber 4 and the upper chamber 3. The electromagnetic valve 9 is started, high-pressure gas in the lower cavity 4 is released instantly, and a sound signal is generated, so that the aim of percussion is fulfilled.
The front ends of the one-way valve 11 and the electromagnetic valve 9 are both provided with a filter 8 which is mainly used for filtering the gas entering the lower cavity 4 from the upper cavity 3 and preventing impurities in the sleeve gas from entering the lower cavity 4 to influence the percussion effect. The piston 12 is provided with a sealing ring 10, which mainly functions as a seal to prevent the exchange of the casing gas in the upper chamber 3 and the lower chamber 4 through the piston channel 7. The front end of the piston 12 is provided with a filter 8 which mainly prevents impurities in the sleeve gas from entering the piston channel 7 and influencing the movement and sealing effect of the piston 12. The function of the one-way valve 11 is to allow only the casing gas in the upper chamber 3 to enter the lower chamber 4 and to prevent the casing gas in the lower chamber 4 from entering the upper chamber 3. The electromagnetic valve 9 is used for instantly starting to generate sound after a pressure difference is formed between the lower cavity 4 and the upper cavity 3. The microphone 13 is in communication with the upper chamber 3 and primarily converts the received acoustic signal into a current signal. The pressure release valve 14 is communicated with the lower cavity 4, and the main function is to open the pressure release valve 14 when the instrument is disassembled, so that the inside of the instrument is communicated with the external environment, the pressure inside the instrument is released, and safety accidents are prevented.
The invention can carry out the test by adopting the sleeve gas without providing air or compressed nitrogen outside, and can adopt a full-sealed structural design to ensure the sealing property of the device. Even if the firing device breaks down, the good sealing performance can prevent the leakage accident of the oil and gas well. The invention has simple operation, does not use compressed air or compressed nitrogen, and can carry out the test by sending out a test command after the instrument is connected. The safety of the test process is high, and explosion and serious accidents cannot be caused. The invention can solve a series of problems of liquid level test of high-pressure oil-gas wells.

Claims (10)

1. A triggering method for liquid level testing of a high-pressure oil-gas well is characterized by comprising the following steps: the method is that a shell is divided into an upper cavity and a lower cavity by a spacer block, and the upper cavity is communicated with a wellhead casing; high-pressure gas is filled into the upper cavity through the wellhead casing, and the high-pressure gas enters the lower cavity through the one-way valve channel; when the pressure of the lower cavity and the upper cavity is balanced, the inflation is stopped; starting the piston driving device to drive the piston to move towards the lower cavity along the piston channel, so that the pressure of the lower cavity is increased, and a pressure difference is formed between the upper cavity and the lower cavity; at the moment, the electromagnetic valve is started, so that high-pressure gas in the lower cavity is instantly released through the electromagnetic valve channel to generate a sound signal, and the aim of percussion is fulfilled.
2. The percussion method for the liquid level test of high-pressure oil and gas wells according to claim 1, characterized in that: filters are respectively arranged at the passage ports of the one-way valve passage, the piston passage and the electromagnetic valve passage close to one side of the upper cavity so as to prevent impurities in the well head sleeve from entering the lower cavity and influencing the percussion effect; impurities in the well head sleeve are prevented from entering the piston channel, and the movement and sealing effect of the piston are influenced.
3. The percussion method for the liquid level test of high-pressure oil and gas wells according to claim 1, characterized in that: one side of the one-way valve channel close to the lower cavity is provided with a one-way valve; and the gas in the upper cavity is allowed to enter the lower cavity through the one-way valve, and the gas in the lower cavity is prevented from flowing back to the upper cavity.
4. The percussion method for the liquid level test of high-pressure oil and gas wells according to claim 1, characterized in that: a microphone is arranged on the shell of the upper cavity and is communicated with the upper cavity; the received sound signal is converted into a current signal by a microphone.
5. The percussion method for the liquid level test of high-pressure oil and gas wells according to claim 1, characterized in that: a pressure relief valve is arranged on the shell of the lower cavity; when the instrument is disassembled, the pressure release valve is opened, so that the interior of the lower cavity is communicated with the external environment, and safety accidents are prevented.
6. A percussion device for high pressure oil and gas well level testing constructed in accordance with the method of any one of claims 1 to 5, comprising a housing (1); the method is characterized in that: a spacer block (2) is arranged in the shell (1), and the shell (1) is divided into an upper cavity (3) and a lower cavity (4) through the spacer block (2); the partition block (2) is provided with an electromagnetic valve channel (5), a one-way valve channel (6) and a piston channel (7); an electromagnetic valve (9) is arranged on one side of the electromagnetic valve channel (5) close to the lower cavity (4); one side of the one-way valve channel (6) close to the lower cavity (4) is provided with a one-way valve (11); a piston (12) is arranged in the piston channel (7).
7. The firing device for the liquid level test of high-pressure oil and gas wells according to claim 6, wherein: and the electromagnetic valve channel (5), the one-way valve channel (6) and the piston channel (7) are respectively provided with a filter (8) at the channel port close to one side of the upper cavity (3).
8. The firing device for the liquid level test of high-pressure oil and gas wells according to claim 6, wherein: a microphone (13) is arranged on the upper cavity (3) of the shell (1).
9. The firing device for the liquid level test of high-pressure oil and gas wells according to claim 6, wherein: a pressure release valve (14) is arranged at the position, located in the lower cavity (4), of the shell (1).
10. The firing device for the liquid level test of high-pressure oil and gas wells according to claim 6, wherein: the piston (12) is in sliding connection with the inner wall of the piston channel (7); the piston (12) is provided with a sealing ring (10).
CN201911082559.2A 2019-11-07 2019-11-07 Firing method and device for testing liquid level of high-pressure oil-gas well Active CN110617056B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911082559.2A CN110617056B (en) 2019-11-07 2019-11-07 Firing method and device for testing liquid level of high-pressure oil-gas well

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911082559.2A CN110617056B (en) 2019-11-07 2019-11-07 Firing method and device for testing liquid level of high-pressure oil-gas well

Publications (2)

Publication Number Publication Date
CN110617056A true CN110617056A (en) 2019-12-27
CN110617056B CN110617056B (en) 2024-03-26

Family

ID=68927459

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911082559.2A Active CN110617056B (en) 2019-11-07 2019-11-07 Firing method and device for testing liquid level of high-pressure oil-gas well

Country Status (1)

Country Link
CN (1) CN110617056B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114151068A (en) * 2021-12-08 2022-03-08 贵州航天凯山石油仪器有限公司 Small-size oil well liquid level testing arrangement that integrates
CN115788412A (en) * 2022-12-07 2023-03-14 贵州航天凯山石油仪器有限公司 Oil well liquid level measuring device driven by high-power long-stroke electromagnet

Citations (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3572121A (en) * 1968-09-16 1971-03-23 Nikex Nehezipari Kulkere Device for pneumatically measuring liquid levels
US4181016A (en) * 1977-07-11 1980-01-01 Sun Electric Corporation Process and apparatus for testing hydraulic control systems
SU1421857A1 (en) * 1986-11-18 1988-09-07 Научно-Производственное Объединение "Нефтеавтоматика" Device for measuring liquid level in well
US5027655A (en) * 1988-10-05 1991-07-02 Geotechnical Instruments (Uk) Limited Method and apparatus for measuring liquid level in the ground
CN2375766Y (en) * 1999-02-04 2000-04-26 翟爱国 Phonoscope
US20060225949A1 (en) * 2005-04-08 2006-10-12 Guion Walter F Acoustic Generator for Distance Sounding with a Firing Mechanism Independent of the Pressure Equilibration Force
CN101117887A (en) * 2007-09-19 2008-02-06 北京科技大学 Well dynamic liquid level auto detector
CN101571042A (en) * 2009-06-04 2009-11-04 付吉平 Continuous remote telemetering method for liquid levels of oil wells
CN201396149Y (en) * 2009-04-30 2010-02-03 中国石油天然气股份有限公司 Automatic continuous monitor for oil well dynamic liquid level
CN201635730U (en) * 2010-01-12 2010-11-17 西安思坦仪器股份有限公司 Infrasonic wave generator for oil wall liquid test
CN102022108A (en) * 2010-07-27 2011-04-20 岳强 Automatic infrasonic wave non-pressure oil well liquid level monitoring instrument
CN102128027A (en) * 2010-01-12 2011-07-20 西安思坦仪器股份有限公司 Infrasonic wave generator for testing liquid level of oil well
CN201902204U (en) * 2010-12-03 2011-07-20 贵州航天凯山石油仪器有限公司 Wellhead connector for oil and gas well liquid level depth measuring device
CN102261242A (en) * 2011-08-08 2011-11-30 岳强 Automatic low-pressure oil well liquid level monitoring device
US20140262245A1 (en) * 2013-03-15 2014-09-18 Hytech Energy, Llc Fluid Level Determination Apparatus and Method of Determining a Fluid Level in a Hydrocarbon Well
CN104790916A (en) * 2015-04-24 2015-07-22 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Method for removing gas well accumulated liquid by means of oil jacket pressure balancing method
CN104879123A (en) * 2015-06-02 2015-09-02 中国海洋石油总公司 Self-pressurization oil-gas well liquid level testing device
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
CN106150480A (en) * 2016-08-31 2016-11-23 贵州航天凯山石油仪器有限公司 Well head vocal technique and device thereof without gas circulation
CN106869906A (en) * 2017-02-24 2017-06-20 沈阳新石科技有限公司 A kind of oil well liquid level automated watch-keeping facility, method and system
CN107218030A (en) * 2017-07-20 2017-09-29 荆州市明德科技有限公司 A kind of adaptive underground hydrodynamic face real-time monitoring device
CN107288619A (en) * 2016-11-04 2017-10-24 吉林省三和电气系统工程有限公司 A kind of oil well intelligent control method and device
CN108150125A (en) * 2017-12-26 2018-06-12 贵州航天凯山石油仪器有限公司 A kind of high-pressure well wellhead assembly and its method for generating sound source
CN108678729A (en) * 2018-07-26 2018-10-19 西安海联石化科技有限公司 A kind of high-pressure gas well wellbore effusion face automated watch-keeping facility and method
CN109339769A (en) * 2018-11-26 2019-02-15 中海石油(中国)有限公司 A kind of integrated form down-hole oil tube leakage ground detection system
CN209510308U (en) * 2019-02-11 2019-10-18 北京雄跃厚明科技有限公司 A kind of liquid level integral test system

Patent Citations (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3572121A (en) * 1968-09-16 1971-03-23 Nikex Nehezipari Kulkere Device for pneumatically measuring liquid levels
US4181016A (en) * 1977-07-11 1980-01-01 Sun Electric Corporation Process and apparatus for testing hydraulic control systems
SU1421857A1 (en) * 1986-11-18 1988-09-07 Научно-Производственное Объединение "Нефтеавтоматика" Device for measuring liquid level in well
US5027655A (en) * 1988-10-05 1991-07-02 Geotechnical Instruments (Uk) Limited Method and apparatus for measuring liquid level in the ground
CN2375766Y (en) * 1999-02-04 2000-04-26 翟爱国 Phonoscope
US20060225949A1 (en) * 2005-04-08 2006-10-12 Guion Walter F Acoustic Generator for Distance Sounding with a Firing Mechanism Independent of the Pressure Equilibration Force
CN101117887A (en) * 2007-09-19 2008-02-06 北京科技大学 Well dynamic liquid level auto detector
CN201396149Y (en) * 2009-04-30 2010-02-03 中国石油天然气股份有限公司 Automatic continuous monitor for oil well dynamic liquid level
CN101571042A (en) * 2009-06-04 2009-11-04 付吉平 Continuous remote telemetering method for liquid levels of oil wells
CN201635730U (en) * 2010-01-12 2010-11-17 西安思坦仪器股份有限公司 Infrasonic wave generator for oil wall liquid test
CN102128027A (en) * 2010-01-12 2011-07-20 西安思坦仪器股份有限公司 Infrasonic wave generator for testing liquid level of oil well
CN102022108A (en) * 2010-07-27 2011-04-20 岳强 Automatic infrasonic wave non-pressure oil well liquid level monitoring instrument
CN201902204U (en) * 2010-12-03 2011-07-20 贵州航天凯山石油仪器有限公司 Wellhead connector for oil and gas well liquid level depth measuring device
CN102261242A (en) * 2011-08-08 2011-11-30 岳强 Automatic low-pressure oil well liquid level monitoring device
US20140262245A1 (en) * 2013-03-15 2014-09-18 Hytech Energy, Llc Fluid Level Determination Apparatus and Method of Determining a Fluid Level in a Hydrocarbon Well
CN104790916A (en) * 2015-04-24 2015-07-22 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Method for removing gas well accumulated liquid by means of oil jacket pressure balancing method
CN104879123A (en) * 2015-06-02 2015-09-02 中国海洋石油总公司 Self-pressurization oil-gas well liquid level testing device
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
CN106150480A (en) * 2016-08-31 2016-11-23 贵州航天凯山石油仪器有限公司 Well head vocal technique and device thereof without gas circulation
CN107288619A (en) * 2016-11-04 2017-10-24 吉林省三和电气系统工程有限公司 A kind of oil well intelligent control method and device
CN106869906A (en) * 2017-02-24 2017-06-20 沈阳新石科技有限公司 A kind of oil well liquid level automated watch-keeping facility, method and system
CN107218030A (en) * 2017-07-20 2017-09-29 荆州市明德科技有限公司 A kind of adaptive underground hydrodynamic face real-time monitoring device
CN108150125A (en) * 2017-12-26 2018-06-12 贵州航天凯山石油仪器有限公司 A kind of high-pressure well wellhead assembly and its method for generating sound source
CN108678729A (en) * 2018-07-26 2018-10-19 西安海联石化科技有限公司 A kind of high-pressure gas well wellbore effusion face automated watch-keeping facility and method
CN109339769A (en) * 2018-11-26 2019-02-15 中海石油(中国)有限公司 A kind of integrated form down-hole oil tube leakage ground detection system
CN209510308U (en) * 2019-02-11 2019-10-18 北京雄跃厚明科技有限公司 A kind of liquid level integral test system

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
万邦烈等: "《气举采油技术》", vol. 1, 石油大学出版社, pages: 37 - 38 *
周泉泉;齐庆元;陈永浩;: "小套管井环空液面监测技术研究", 长江大学学报(自科版), vol. 13, no. 14 *
张代宇;苑青龙;: "采油井动态液面测量技术研究分析", 中国石油和化工标准与质量, vol. 32, no. 01, pages 104 - 109 *
邓绪彪;刘远征;邢矿;于怀昌;: "基于声发射时空演化的岩石全应力应变曲线阶段特征分析", 岩石力学与工程学报, vol. 37, no. 2, 15 October 2018 (2018-10-15), pages 4086 - 4099 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114151068A (en) * 2021-12-08 2022-03-08 贵州航天凯山石油仪器有限公司 Small-size oil well liquid level testing arrangement that integrates
CN115788412A (en) * 2022-12-07 2023-03-14 贵州航天凯山石油仪器有限公司 Oil well liquid level measuring device driven by high-power long-stroke electromagnet

Also Published As

Publication number Publication date
CN110617056B (en) 2024-03-26

Similar Documents

Publication Publication Date Title
CN110617056A (en) Triggering method and device for liquid level test of high-pressure oil-gas well
CN101507888A (en) Double-monitor filter
CN203146453U (en) Warning type piston accumulator
CN112177597B (en) Liquid level monitoring device for shaft
CN115076185B (en) Piston rod buffer device for heavy object elevator
CN211008623U (en) Percussion device for liquid level test of high-pressure oil-gas well
CN110701312A (en) High-pressure dry oil pneumatic control valve
CN102747970B (en) Automatic control system of filling valve of marine drilling riser
CN211525242U (en) Hydraulic oil cylinder integrated with valve block
CN107218030A (en) A kind of adaptive underground hydrodynamic face real-time monitoring device
CN104949811A (en) Sealing detecting device for stuffing box of diesel engine
CN111765260A (en) Pneumatic valve detection device
CN202884075U (en) Toxic flue gas safety shutoff valve
CN201858404U (en) Safety valve
CN207017992U (en) A kind of adaptive underground hydrodynamic face real-time monitoring device
CN206394847U (en) A kind of bracelet of saving oneself with safety hammer
CN220244813U (en) Quick isolating device of storehouse pump maintenance
CN219911341U (en) Protective differential combination valve
CN220319744U (en) Emulsion booster pump
CN215908482U (en) Marine hydraulic damping formula water hammer subducts valve
CN218765865U (en) Air tightness detection device for high-pressure oil pump of diesel engine
CN216665593U (en) Electric air source sound generating device suitable for internal and external explosion
CN208043192U (en) A kind of gas firing lock with pressure equalizing chamber
CN204877399U (en) But glib cover of pressure release oil well
CN103062426B (en) Toxic smoke safety shutoff valve

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
GR01 Patent grant
GR01 Patent grant