CN111734393A - Oil well working fluid level testing device and operation method - Google Patents
Oil well working fluid level testing device and operation method Download PDFInfo
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- CN111734393A CN111734393A CN202010594138.4A CN202010594138A CN111734393A CN 111734393 A CN111734393 A CN 111734393A CN 202010594138 A CN202010594138 A CN 202010594138A CN 111734393 A CN111734393 A CN 111734393A
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 239000012530 fluid Substances 0.000 title claims abstract description 40
- 239000003129 oil well Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000002847 sound insulator Substances 0.000 claims abstract description 35
- 239000006096 absorbing agent Substances 0.000 claims abstract description 30
- 230000035939 shock Effects 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims description 26
- 229920001971 elastomer Polymers 0.000 claims description 22
- 239000005060 rubber Substances 0.000 claims description 22
- 229920000742 Cotton Polymers 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 12
- 230000035945 sensitivity Effects 0.000 claims description 10
- 210000004907 gland Anatomy 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims 1
- 238000011017 operating method Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 18
- 239000002184 metal Substances 0.000 description 12
- 238000003825 pressing Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 felt Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
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- Acoustics & Sound (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a device and an operation method for testing the working fluid level of an oil well, wherein the device and the operation method for testing the working fluid level of the oil well comprise the following steps: well head connector, microphone and comprehensive test appearance. Further comprising: the device comprises a filter, a pressure detection mechanism, a sound insulator, a shock absorber and a fixing mechanism. One end of the shock absorber is connected with the wellhead connector, and the other end of the shock absorber is connected with the casing pipe. One end of the microphone is connected with the wellhead connector, and the other end of the microphone is connected with the comprehensive tester through the magnetic suction connector. The sound insulator is sleeved outside the microphone. The filter is mounted at one end inside the wellhead connector. The pressure detection mechanism is connected with the wellhead connector. The comprehensive tester is installed on the fixing mechanism. The problem that qualified working fluid level data cannot be accurately recorded due to the conditions of pollution, external interference and the like during the working fluid level test of the oil well is solved.
Description
Technical Field
The invention relates to the field of oil extraction engineering, in particular to a device for testing the working fluid level of an oil well and an operation method.
Background
At present, when the liquid level of an oil well is tested, the following problems exist, and 1, because the pressure of a sleeve is high, when the sleeve is connected with a wellhead connector, oil residues in the sleeve enter and block the wellhead connector and a microphone, and normal test cannot be carried out. 2. The comprehensive tester needs to repeatedly adjust the sensitivity (i.e., (gain value)) during testing until obvious liquid level wave peaks are obtained and interference waves are small, which is time-consuming and labor-consuming. 3. The mechanical vibration generated by equipment in the production process and the interference of external sound sources such as wind noise generated in windy days cause that the microphone cannot accurately receive sound waves propagated underground, thereby influencing data recording. 4. The virtual connection condition easily appears in the long-time repeated plug of the connecting wire of microphone and comprehensive tester, and the working fluid level curve of admission can produce a lot of interference wave crests. 5. When the manual hand-held comprehensive tester is used for testing, the communication cable is easy to shake, a plurality of interference wave crests can be generated during testing, and qualified working fluid level data cannot be accurately recorded. The problems cause that a certain error exists between the working fluid level data and the actual depth during the test or the optimal test time is missed, so that the accurate judgment of the production condition of the oil well after pump detection, fracturing and measures is influenced by technicians, and therefore effective measures cannot be taken to adjust all parameters to the optimal state, and the yield of the oil well is seriously influenced.
Disclosure of Invention
In view of the above, the present invention provides a device for testing working fluid level of an oil well and an operation method thereof, so as to solve the following problems: 1. impurities in the casing block the wellhead connector and the microphone. 2. The integrated tester needs to adjust the sensitivity (gain value) repeatedly during the test. 3. The microphone is interfered by an external sound source, and cannot accurately receive sound waves transmitted underground. 4. The virtual connection condition easily appears in the long-time repeated plug of the connecting wire of the microphone and the comprehensive tester. 5. The hand-held comprehensive tester is easy to shake during testing, can generate a plurality of interference wave crests during testing, and cannot accurately record qualified working fluid level data.
The invention provides a device for testing the working fluid level of an oil well and an operation method, wherein the device comprises the following components: a wellhead connector, a microphone and a comprehensive tester;
further comprising: the device comprises a filter, a pressure detection mechanism, a sound insulator, a shock absorber and a fixing mechanism;
one end of the shock absorber is connected with the wellhead connector, and the other end of the shock absorber is connected with the sleeve;
one end of the microphone is connected with the wellhead connector, and the other end of the microphone is connected with the comprehensive tester through a magnetic connector;
the sound insulator is sleeved outside the microphone;
the filter is arranged at one end of the interior of the wellhead connector and is used for filtering impurities;
the pressure detection mechanism is connected with the wellhead connector and is used for detecting a pressure value in the wellhead connector;
the comprehensive tester is arranged on the fixing mechanism;
adjusting the sensitivity of the comprehensive tester according to the pressure value detected by the pressure detection mechanism;
the wellhead connector sends out sound waves to the interior of the casing, the sound waves reach the working fluid level in the casing, and after reflection, the reflected sound waves are transmitted back to the interior of the wellhead connector from the interior of the casing;
the microphone receives the reflected sound waves, converts the reflected sound waves into electric signals and transmits the electric signals to the comprehensive tester;
and the comprehensive tester displays a working fluid level curve according to the electric signal transmitted by the microphone.
Preferably, the filter comprises: a frame and a screen;
the filter screen is arranged inside the frame;
one end of the wellhead connector is provided with an internal thread, and the outside of the frame is provided with an external thread matched with the internal thread.
Preferably, the pressure detection mechanism includes: a pressure gauge;
one end of the pressure gauge is connected with the wellhead connector, and the pressure gauge is used for displaying the pressure value in the sleeve.
Preferably, the noise insulator includes: a sound insulation layer and a gland;
the sound insulator is hollow, one end of the sound insulator is provided with an opening, a microphone chamber is arranged in the sound insulator, and the microphone is arranged in the microphone chamber;
a sound insulation layer is arranged between the outer wall of the microphone chamber and the inner wall of the sound insulator and is used for sound insulation;
the gland is installed the opening part of sound insulator, the gland is used for with the puigging is fixed inside the sound insulator.
Preferably, the soundproof layer includes: soundproof cotton.
Preferably, the damper includes: a hose;
one end of the rubber tube is connected with the sleeve, and the other end of the rubber tube is connected with the wellhead connector.
Preferably, the shock absorber further comprises: a support;
and a support is arranged between the bottom of the shock absorber and the ground and is used for fixing the shock absorber.
Preferably, the fixing mechanism comprises: a bracket, a protective shell and a magnet;
the top of the bracket is connected with the protective shell;
a magnet is arranged on the protective shell at the position connected with the bracket, and the magnet is used for connecting the protective shell and the bracket together;
the comprehensive tester is installed inside the protective shell.
Preferably, the magnetically attractive connector comprises: the device comprises a first magnetic suction joint, a second magnetic suction joint, a third magnetic suction joint, a fourth magnetic suction joint and a signal wire;
the first magnetic suction joint is arranged on the comprehensive tester;
the fourth magnetic suction joint is arranged on the microphone;
one end of the signal wire is connected with the second magnetic suction connector, and the other end of the signal wire is connected with the third magnetic suction connector.
The invention has the following beneficial effects:
the invention provides a device for testing the working fluid level of an oil well and an operation method, aiming at solving the following problems: 1. impurities in the casing block the wellhead connector and the microphone. 2. The integrated tester needs to adjust the sensitivity (gain value) repeatedly during the test. 3. The microphone is interfered by an external sound source, and cannot accurately receive sound waves transmitted underground. 4. The virtual connection condition easily appears in the long-time repeated plug of the connecting wire of the microphone and the comprehensive tester. 5. The hand-held comprehensive tester is easy to shake during testing, can generate a plurality of interference wave crests during testing, and cannot accurately record qualified working fluid level data.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of an oil well working fluid level testing device and an operation method according to an embodiment of the invention.
FIG. 2 is a schematic diagram of a filter and a pressure gauge according to an embodiment of the present invention.
FIG. 3 is a rear view of a securing mechanism according to an embodiment of the present invention.
Fig. 4 is a left side view of a securing mechanism according to an embodiment of the present invention.
In fig. 1, 2, 3, 4: 1-well head connector, 2-microphone, 3-comprehensive tester, 4-casing, 5-rubber tube, 6-frame, 7-pressure gauge, 8-sound insulator, 9-soundproof cotton, 10-gland, 11-first magnetic suction connector, 12-second magnetic suction connector, 13-third magnetic suction connector, 14-fourth magnetic suction connector, 15-bracket, 16-filter screen, 17-protective shell, 18-tray, 19-pillar, 20-magnetic suction fixer.
Detailed Description
The present invention will be described below based on examples, but it should be noted that the present invention is not limited to these examples. In the following detailed description of the present invention, certain specific details are set forth. However, the present invention may be fully understood by those skilled in the art for those parts not described in detail.
Furthermore, those skilled in the art will appreciate that the drawings are provided solely for the purposes of illustrating the invention, features and advantages thereof, and are not necessarily drawn to scale.
Also, unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, the meaning of "includes but is not limited to".
Fig. 1 is a schematic structural diagram of an oil well working fluid level testing device and an operation method according to an embodiment of the invention. FIG. 2 is a schematic diagram of a filter and a pressure gauge according to an embodiment of the present invention. Fig. 3 is a schematic structural diagram of a bracket and a protective shell according to an embodiment of the invention. Fig. 4 is a schematic structural view of a magnetic connector according to an embodiment of the invention. As shown in fig. 1, 2, 3 and 4, the oil well working fluid level testing device and the operation method thereof comprise: well head connector 1, microphone 2, comprehensive tester 3, filter, pressure detection mechanism, insulator 8, bumper shock absorber and fixed establishment. One end of the shock absorber is connected with the wellhead connector 1, and the other end of the shock absorber is connected with the casing 4. One end of the microphone 2 is connected with the wellhead connector 1, and the other end is connected with the comprehensive tester 3 through the magnetic connector. The acoustic insulator 8 is fitted around the outside of the microphone 2. The filter is installed at one end inside the wellhead connector 1, and the filter is used for filtering impurities. The pressure detection mechanism is connected with the wellhead connector 1, and the pressure detection mechanism is used for detecting the pressure value in the wellhead connector 1. The comprehensive tester 3 is installed on the fixing mechanism. And adjusting the sensitivity of the comprehensive tester 3 according to the pressure value detected by the pressure detection mechanism. The wellhead connector 1 sends out sound waves to the inside of the casing 4, the sound waves form reflected sound waves after being reflected in the casing, the reflected sound waves enter the inside of the wellhead connector 1, and the microphone 2 receives the reflected sound waves, converts the reflected sound waves into electric signals and transmits the electric signals to the comprehensive tester 3. The integrated tester 3 displays the curve of the working fluid level according to the electric signal transmitted by the microphone 2.
The working fluid level is the fluid level in the annular space between the oil pipe and the casing pipe when the pumping well is in normal production. When a liquid level is recorded, the wellhead connector is connected with one end of the casing, a sound generator inside the wellhead connector generates sound waves, the sound waves are transmitted to the liquid level downwards along the annular space of the casing to generate reflected sound waves, the reflected sound waves enter the wellhead connector, the bottom of the wellhead connector is connected with a microphone, the microphone receives the sound waves, converts the sound waves into electric signals and transmits the electric signals to a comprehensive tester, and the comprehensive tester calculates and displays a curve of the dynamic liquid level in the oil well, wherein the microphone is the existing equipment and is WYQ-2Hz in model. The comprehensive tester is the existing equipment, and the model is HYKJ-G.
In the present invention and in fig. 2, the filter comprises: a frame 6 and a sieve 16. A sieve 16 is mounted inside the frame 6. One end of the wellhead connector 1 is provided with an internal thread, and the outside of the frame 6 is provided with an external thread matched with the internal thread.
In the embodiment of the invention, the frame 6 is circular, the filter screen 16 is arranged in the frame 6, and the frame 6 and the filter screen 16 are made of stainless steel. The filter screen 16 is used for filtering impurities and oil agglomeration in the sleeve 4. The frame 6 and the filter screen 16 are mounted at one end of the wellhead connector 1 near the casing 4, and the frame 6 is connected with the wellhead connector 1 through mutually matched thread structures.
In the present invention and fig. 2, the pressure detection mechanism includes: and a pressure gauge 7. One end of the pressure gauge 7 is connected with the wellhead connector 1, and the pressure gauge 7 is used for displaying the pressure value in the sleeve 4.
In the embodiment of the present invention, the pressure gauge 7 is a commercially available product, and is manufactured by the hangzhou fuyang hua instrument limited company in the following model numbers: 01830158, or pressure gauge 7 of 10 MPa of other type available on the market. The joint of the pressure gauge 7 is connected with the wellhead connector 1, after the valve of the sleeve 4 is opened, the internal pressure of the wellhead connector 1 is consistent with the internal pressure of the sleeve 4 due to the communication of the sleeve 4 and the wellhead connector 1, and the pressure gauge 7 arranged on the wellhead connector 1 detects the pressure value in the wellhead connector 1, namely the internal pressure value of the sleeve 4.
The pressure gauge 7 detects the pressure value inside the casing 4, and the comprehensive tester 3 adjusts the sensitivity (gain value) according to the value of the pressure gauge 7.
The following table is a table of corresponding values for adjusting the sensitivity (gain value) of the comprehensive tester 3 according to the pressure value (jacket pressure value) in the jacket tube 4 detected by the pressure gauge 7:
in the present invention and fig. 1, the sound insulator 8 includes: a sound insulating layer and a gland 10. The interior of the sound insulator 8 is hollow, one end of the sound insulator is open, a microphone chamber is arranged in the interior of the sound insulator 8, and the microphone 2 is arranged in the microphone chamber. A sound insulation layer is arranged between the outer wall of the microphone chamber and the inner wall of the sound insulator 8, and the sound insulation layer is used for sound insulation. A pressing cover 10 is installed at an opening of the soundproof cover 8, and the pressing cover 10 is used to fix the soundproof cover inside the soundproof cover 8.
In the embodiment of the present invention, the body of the sound insulator 8 is a cylinder, the interior of the body is hollow, one end of the body is provided with a through hole, and the other end of the body is provided with an opening. The microphone chamber is located in the middle of the inside of the sound insulator 8, the microphone 2 is arranged in the inside of the microphone chamber, and a sound insulating layer is arranged between the outer wall of the microphone chamber and the peripheral inner wall of the sound insulator 8. The microphone 2 is connected to the wellhead connector 1 through a through hole at the other end of the sound insulator 8.
In the present invention and fig. 1, the sound insulation layer includes: soundproof cotton 9.
In the embodiment of the invention, the soundproof cotton 9 is filled between the outer wall of the microphone chamber and the inner wall of the soundproof cotton 8, and the soundproof cotton 9 adopts the aviation-grade soundproof cotton 9, so that the external noise can be better isolated. In addition to the soundproof cotton 9, other soundproof materials such as: rubber, felt, foam, and the like.
In the embodiment of the present invention, the pressing cover 10 is installed at one end of the opening of the sound insulator 8, the body of the pressing cover 10 is circular, the pressing cover 10 has a through hole, one end of the opening of the sound insulator 8 has an internal thread, the circumferential surface of the pressing cover 10 has an external thread matching with the internal thread, and the pressing cover 10 is connected with one end of the opening of the sound insulator 8 through a threaded structure.
After installation aviation soundproof cotton 9, because soundproof cotton 9 has certain elasticity, the space is great in soundproof cotton 9, and sound insulation effect is not good, installs gland 10 at the opening part of sound insulator 8, compresses tightly soundproof cotton 9 completely inside sound insulator 8, makes the inside space of soundproof cotton 9 diminish to reach better sound insulation effect.
The microphone 2 is placed in the microphone chamber, one end of the microphone 2 is connected with the wellhead connector 1 through a through hole at one end of the sound insulator 8, and the other end of the microphone is connected with the comprehensive tester 3 through a through hole on the gland 10.
In the present invention and in fig. 1, the shock absorber comprises: and a rubber tube 5. One end of the rubber tube 5 is connected with the sleeve 4, and the other end is connected with the wellhead connector 1.
In the embodiment of the invention, the rubber tube 5 is a hollow cylinder, two ends of the rubber tube are provided with openings, the outer layer of the rubber tube 5 is made of synthetic rubber, and the inner part of the rubber tube 5 comprises two steel wire braided reinforcing layers, so that the rubber tube 5 has high bearing capacity and has the characteristics of oil resistance, aging resistance and the like, and can bear the pressure below 10 MPa.
In the embodiment of the invention, when the oil extraction equipment drives the sleeve 4 to vibrate, the sleeve 4 is connected with one end of the rubber tube 5 to drive the rubber tube 5 to vibrate, and the vibration is buffered due to the flexibility of the rubber tube 5, so that the wellhead connector 1 is not driven to vibrate together, and the microphone 2 is not interfered. Because the interior of the rubber tube 5 is of a hollow structure, underground sound waves can be effectively transmitted to the interior of the wellhead connector 1 through the rubber tube 5.
In the present invention and fig. 1, the shock absorber further includes: a support 15. A support 15 is arranged between the bottom of the shock absorber and the ground, and the support 15 is used for fixing the shock absorber.
In the embodiment of the invention, the support 15 is a height-adjustable telescopic support 15, the support 15 is divided into an upper cylinder and a lower cylinder, the upper cylinder is provided with an external thread, the lower cylinder is hollow, the top of the upper cylinder is provided with an opening, the inside of the upper cylinder is provided with an internal thread matched with the external thread of the upper cylinder, the bottom of the upper cylinder is rotatably inserted into the lower cylinder, the height of the support 15 is adjusted by how much the upper cylinder is rotatably inserted into the lower cylinder, the top of the upper cylinder is abutted against the lower part of the rubber pipe 5, and the bottom of the lower cylinder is arranged on the ground, so that the support 15 can support the rubber pipe 5 and keep the same height with the casing 4 and.
In the present invention and fig. 3 and 4, the fixing mechanism includes: bracket, protective housing 17 and magnetically attracted holder 20. The top of the bracket is connected to a protective shell 17. The magnetic attraction fixer 20 is mounted on the portion, connected with the bracket, of the protective shell 17, and the magnetic attraction fixer 20 is used for connecting the protective shell 17 and the bracket together. The comprehensive tester 3 is installed inside the protective case 17.
In the embodiment of the invention, the bracket comprises a tray 18, the tray 18 is a circular steel plate with the diameter phi of 200mm, four pillars 19 are arranged at the bottom of the tray 18 in four directions, and the pillars 19 are made of steel. The protective housing 17 is a cuboid, the interior of the protective housing is hollow, the top of the protective housing is provided with a hole, three magnetic suction fixing devices 20 are mounted on the back surface of the protective housing 17, each magnetic suction fixing device 20 is a circular magnet, and the protective housing 17 is adsorbed together with the tray 18 through the magnetic suction fixing device 20 on the back surface. Install comprehensive tester 3 inside protective housing 17, through the hole at protective housing 17 top with comprehensive tester 3 and microphone 2 through magnetism inhale the connector and be connected and test.
When carrying out the working fluid level test to the oil well, when 3 host computers of handheld integrated test appearance were taken the oil well working fluid level, because the rocking transmission that produces when people operating personnel moved transmits for communication cable, make the communication plug not hard up, the liquid level curve of taking appears many places interference wave, has installed bracket and protective housing 17 after, makes integrated test appearance 3 more stable, the rate of accuracy of taking the liquid level of taking notes is higher.
In the present invention and fig. 1, the magnetic connector includes: the connector comprises a first magnetic suction connector 11, a second magnetic suction connector 12, a third magnetic suction connector 13, a fourth magnetic suction connector 14 and a signal wire. The first magnetic suction connector 11 is installed on the integrated tester 3. The fourth magnetic suction connector 14 is mounted on the microphone 2. One end of the signal line is connected with the second magnetic connector 12, and the other end is connected with the third magnetic connector 13.
In the embodiment of the present invention, the first magnetic connector 11 includes a magnet and positive and negative metal heads, and the positive and negative metal heads of the first magnetic connector 11 are connected to the circuit board inside the integrated tester 3 through a circuit. Fourth magnetic connector 14 contains magnet and positive negative pole metal head, and fourth magnetic connector 14's positive negative pole metal head passes through the circuit and is connected with microphone 2 internal binding post. The second magnetic connector 12 comprises a magnet and positive and negative metal heads, and the positive and negative metal heads of the second magnetic connector 12 are connected with one end of the signal line. The third magnetic connector 13 comprises a magnet and positive and negative metal heads, and the positive and negative metal heads of the third magnetic connector 13 are connected with the other end of the signal line. The magnet of the first magnetic connector 11 has a different magnetic pole from the magnet of the second magnetic connector 12. The magnet of the third magnetic attraction joint 13 and the magnet of the fourth magnetic attraction joint 14 have different magnetic poles.
When the magnetic connector is connected, the magnet of the first magnetic connector 11 is in contact with and attracted to the magnet of the second magnetic connector 12, and the metal head of the first magnetic connector 11 is in contact with the metal head of the second magnetic connector 12. The magnet of the third magnetic connector 13 contacts and adsorbs the magnet of the fourth magnetic connector 14, and the metal head of the third magnetic connector 13 contacts the metal head of the fourth magnetic connector 14.
At this time, the microphone 2 is communicated with the integrated tester 3 through the magnetic connector, and the microphone 2 transmits a signal to the integrated tester 3 through the magnetic connector. After the connection is realized by adopting the magnet adsorption, the problem that qualified dynamic liquid level data cannot be recorded due to the fact that the virtual connection is caused by frequent plugging and unplugging of the connecting line between the microphone 2 and the comprehensive tester 3 is avoided, and the qualification rate of recording the liquid level data is increased.
In the embodiment of the present invention, the filter is installed inside the wellhead connector 1 near one end of the casing 4 by a screw structure. One end of the shock absorber is connected with the wellhead connector 1, and the other end of the shock absorber is connected with the casing 4. The pressure detection mechanism is connected to the wellhead connector 1. The sound insulator 8 is mounted outside the microphone 2, and one end of the microphone 2 is connected to the wellhead connector 1. The comprehensive tester 3 is installed in the protective sleeve, the protective sleeve is connected with the tray 18, and the comprehensive tester 3 is connected with the other end of the microphone 2 through the magnetic suction connector.
When the test is started, the valve of the casing 4 is opened, the sounder is installed inside the wellhead connector 1 and emits sound, the sound enters the casing 4 through the shock absorber, when reaching the liquid level at the bottom, reflected sound waves are generated after being reflected by the liquid level and are transmitted back to the inside of the wellhead connector 1 and are received by the microphone 2 at the bottom of the wellhead connector 1, and the sound waves are converted into electric signals by the microphone 2 and then are transmitted to the comprehensive tester 3. The comprehensive tester 3 adjusts the sensitivity (gain value) of the comprehensive tester 3 according to the pressure value inside the casing 4 detected by the pressure detection mechanism, and after the adjustment is completed, the working fluid level curve tested by the comprehensive tester 3 is a qualified curve.
Because the pressure in the sleeve 4 is large, when the valve of the sleeve 4 is opened, impurities in the sleeve 4 can enter the wellhead connector 1 and the microphone 2 through the shock absorber, and the impurities and oil caking can be prevented from entering the wellhead connector 1 and the microphone 2 to cause the microphone 2 to be blocked by installing the filter.
In whole implementation process, the oil production equipment who is connected with sleeve pipe 4 can drive sleeve pipe 4 and take place vibrations together when carrying out the during operation simultaneously, because of install the bumper shock absorber between sleeve pipe 4 and well head connector 1, behind the bumper shock absorber is given in the power transmission of sleeve pipe 4's vibrations, is cushioned by rubber tube 5 of bumper shock absorber and reduces its vibrations, makes it can not drive well head connector 1 and microphone 2 vibrations together for the liquid level sound wave in the pit that microphone 2 received is more accurate.
Through install insulator 8 in the outside of microphone 2, make microphone 2 not receive sound wave interference such as strong wind, external equipment noise, can be accurate the receipt acoustic wave that reflects back in the pit, take into the well working fluid level test curve of standard.
Through installation manometer 7, can directly acquire the pressure value (cover pressure value) in the sleeve pipe 4, directly adjust comprehensive tester 3 to corresponding sensitivity (gain value) and test.
Through adopting magnetism to inhale the connector, avoid 2 microphones of microphone and comprehensive tester 3 because of the not hard up interference wave that produces of plug frequent plug.
Through installation fixed establishment, avoid because the shaking transmission that produces when people operating personnel removed gives communication cable, make communication plug not hard up, lead to the problem that the liquid level curve of admission appears many places interference wave.
When the field test is carried out, when the daily wind power is 5 grades, the vibration and noise generated by the oil extraction equipment during normal operation are large, a plurality of interference wave peaks appear on a dynamic liquid level curve recorded when the original comprehensive tester is adopted to record the dynamic liquid level data, the comprehensive tester can not judge the position of the liquid level wave after being repeatedly adjusted, 5 dynamic liquid level curves are recorded within 20min, and qualified dynamic liquid level data are not recorded. After the oil well working fluid level testing device is adopted, 1 piece of working fluid level data is recorded and taken as qualified working fluid level data, and the time is shared for 5min, so that the qualification rate of the recorded data is improved, the working efficiency is improved, and the working intensity is reduced.
The above examples are merely illustrative of the present invention, and are described in more detail, but not intended to limit the scope of the invention. It should be noted that, for those skilled in the art, various changes, substitutions of equivalents, improvements and the like can be made without departing from the spirit of the invention, and these are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. An oil well working fluid level testing device and an operation method thereof comprise: well head connector (1), microphone (2) and comprehensive test appearance (3), its characterized in that still includes: the device comprises a filter, a pressure detection mechanism, a sound insulator (8), a shock absorber and a fixing mechanism;
one end of the shock absorber is connected with the wellhead connector (1), and the other end of the shock absorber is connected with the casing (4);
one end of the microphone (2) is connected with the wellhead connector (1), and the other end of the microphone is connected with the comprehensive tester (3) through a magnetic connector;
the sound insulator (8) is sleeved outside the microphone (2);
the filter is arranged at one end inside the wellhead connector (1) and is used for filtering impurities;
the pressure detection mechanism is connected with the wellhead connector (1), and is used for detecting the pressure value in the wellhead connector (1);
the comprehensive tester (3) is arranged on the fixing mechanism;
adjusting the sensitivity of the comprehensive tester (3) according to the pressure value detected by the pressure detection mechanism;
the wellhead connector (1) sends out sound waves to the interior of the casing (4), the sound waves are reflected in the casing to form reflected sound waves, and the reflected sound waves enter the interior of the wellhead connector (1);
the microphone (2) receives the reflected sound waves, converts the reflected sound waves into electric signals and transmits the electric signals to the comprehensive tester (3);
and the comprehensive tester (3) displays a working fluid level curve according to the electric signal transmitted by the microphone (2).
2. The oil well working fluid level testing apparatus and method of operation as claimed in claim 1, wherein said filter comprises: a frame (6) and a screen (16);
the sieve (16) is mounted inside the frame (6);
one end of the wellhead connector (1) is provided with an internal thread, and the outside of the frame (6) is provided with an external thread matched with the internal thread.
3. The oil well working fluid level testing apparatus and method of operation as claimed in claim 1, wherein said pressure sensing means comprises: a pressure gauge (7);
one end of the pressure gauge (7) is connected with the wellhead connector (1), and the pressure gauge (7) is used for displaying a pressure value in the casing (4).
4. The oil well working fluid level testing device and operating method according to claim 1, characterized in that the acoustic insulator (8) comprises: a sound insulating layer and a cover (10);
the interior of the sound insulator (8) is hollow, one end of the sound insulator is provided with an opening, a microphone chamber is arranged in the sound insulator (8), and the microphone (2) is arranged in the microphone chamber;
a sound insulation layer is arranged between the outer wall of the microphone chamber and the inner wall of the sound insulator (8), and is used for sound insulation;
the gland (10) is installed at the opening of the sound insulator (8), and the gland (10) is used for fixing the sound insulation layer inside the sound insulator (8).
5. The oil well working fluid level testing apparatus and method of operation as claimed in claim 4, wherein said acoustic barrier comprises: soundproof cotton (9).
6. The oil well working fluid level testing apparatus and method of operation as claimed in claim 1, wherein said shock absorber comprises: a rubber tube (5);
one end of the rubber tube (5) is connected with the sleeve (4), and the other end of the rubber tube is connected with the wellhead connector (1).
7. The oil well working fluid level testing apparatus and method of operation as claimed in claim 6, wherein said shock absorber further comprises: a bracket (15);
a support (15) is installed between the bottom of the shock absorber and the ground, and the support (15) is used for fixing the shock absorber.
8. The oil well working fluid level testing apparatus and method of operation as claimed in any one of claims 1 to 7, wherein said securing means comprises: the device comprises a bracket, a protective shell (17) and a magnetic suction fixer (20);
the top of the bracket is connected with the protective shell (17);
a magnetic attraction fixer (20) is arranged on the protective shell (17) and connected with the bracket, and the magnetic attraction fixer (20) is used for connecting the protective shell (17) and the bracket together;
the comprehensive tester (3) is arranged inside the protective shell (17).
9. The oil well working fluid level testing apparatus and method of operation of claim 1 wherein said magnetic connector comprises: the device comprises a first magnetic suction joint (11), a second magnetic suction joint (12), a third magnetic suction joint (13), a fourth magnetic suction joint (14) and a signal wire;
the first magnetic suction joint (11) is arranged on the comprehensive tester (3);
the fourth magnetic suction joint (14) is arranged on the microphone (2);
one end of the signal wire is connected with the second magnetic suction connector (12), and the other end of the signal wire is connected with the third magnetic suction connector (13).
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| CN202010594138.4A CN111734393A (en) | 2020-06-28 | 2020-06-28 | Oil well working fluid level testing device and operation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010594138.4A CN111734393A (en) | 2020-06-28 | 2020-06-28 | Oil well working fluid level testing device and operation method |
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| CN111734393A true CN111734393A (en) | 2020-10-02 |
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| CN202010594138.4A Pending CN111734393A (en) | 2020-06-28 | 2020-06-28 | Oil well working fluid level testing device and operation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112780758A (en) * | 2021-03-19 | 2021-05-11 | 大庆油田有限责任公司 | Lubricating oil metal particle filter equipment in reduction gear |
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| CN112780758A (en) * | 2021-03-19 | 2021-05-11 | 大庆油田有限责任公司 | Lubricating oil metal particle filter equipment in reduction gear |
| CN112780758B (en) * | 2021-03-19 | 2023-03-24 | 大庆油田有限责任公司 | Lubricating oil metal particle filter equipment in reduction gear |
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Application publication date: 20201002 |