CN116624138A - Gas well wellhead flow monitoring device - Google Patents
Gas well wellhead flow monitoring device Download PDFInfo
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- CN116624138A CN116624138A CN202310612397.9A CN202310612397A CN116624138A CN 116624138 A CN116624138 A CN 116624138A CN 202310612397 A CN202310612397 A CN 202310612397A CN 116624138 A CN116624138 A CN 116624138A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 15
- 238000000605 extraction Methods 0.000 claims abstract description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 21
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 21
- 241001330002 Bambuseae Species 0.000 claims description 21
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 21
- 239000011425 bamboo Substances 0.000 claims description 21
- 238000001125 extrusion Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 15
- 239000002351 wastewater Substances 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 14
- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000001276 controlling effect Effects 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 78
- 238000000034 method Methods 0.000 description 17
- 238000005452 bending Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 238000005086 pumping Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- 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)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention belongs to the technical field of detection, and particularly relates to a gas well wellhead flow monitoring device which comprises an inserted main cylinder, wherein a regulating and controlling device is connected in the middle of an inner cavity of the inserted main cylinder in a sliding manner, a flowmeter is fixedly connected to the top of the inner wall of the inserted main cylinder, a top part is fixedly connected to the top of the inserted main cylinder, an air exhaust device is fixedly connected to the axis of the inner wall of the top part, and a bent through pipe is fixedly connected to the air exhaust device through an air inlet. The device can not only carry out flow monitoring work to the gas that the well head was taken out through the flowmeter of inside, can also control air exhaust device's actual air extraction effect through the regulation and control device ration in middle part to the elastic cake dish need not use outside covering thing to block up the opening, and its own compression set just can reduce the actual size of opening, thereby has eliminated the regulation and control device and has loosen the problem that leads to the device trouble easily under the lift effect inner part.
Description
Technical Field
The invention belongs to the technical field of detection, and particularly relates to a wellhead flow monitoring device for a gas well.
Background
With the gradual increase of the number of gas wells in the gas field in China, the number of low-yield and low-efficiency wells is increased year by year. For low-yield and low-efficiency wells, corresponding measures are needed to increase the liquid carrying capacity of the gas well and keep the stable yield of the gas well. Daily well opening and closing operations of a gas well are more and more frequent. The gas gathering stations and the natural gas treatment plants need to be shut in and overhauled every year, and a large number of gas wells can be shut in and started at the same time, so that the safety monitoring technology of the gas wells is continuously improved.
In the exploitation process of gas wells, the gas exploitation amount in each gas well needs to be monitored and measured, the well mouth size of the gas well is a fixed value, the extraction efficiency of an extraction device is related to environmental factors, so that the arrangement of equipment for correspondingly changing the caliber size of the through hole in the well mouth is quite important, the gas well can be blocked under emergency, the gas is prevented from being diffused to the outside, the gas exploitation efficiency can be controlled according to requirements, but parts of the device are more, the part of the device can be influenced by the impact force of the gas in the gas extraction process, and the related regulation and control device is easy to loosen under the impact force, so that the device is required to be improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the technical problems by adopting the following technical scheme: the gas well wellhead flow monitoring device comprises an inserted main cylinder, wherein the middle part of the inner cavity of the inserted main cylinder is connected with a regulating and controlling device in a sliding manner, the top part of the inner wall of the inserted main cylinder is fixedly connected with a flowmeter, the top part of the inserted main cylinder is fixedly connected with a top part, the axis of the inner wall of the top part is fixedly connected with an air extracting device, the air extracting device is fixedly connected with a bending through pipe through an air inlet, and the air extracting device is fixedly connected with an air outlet through an air outlet; before the device is used for wellhead flow monitoring, an adaptive insertion main cylinder is inserted from a wellhead, then a top end part is butted with the top of the insertion main cylinder, the top of the wellhead is completely sealed by the device, and at the moment, gas in the well can only be discharged to the outside through the device.
Preferably, the top part comprises an annular clamping plate, both sides of an inner cavity of the annular clamping plate are both connected with spring guide rods in a sliding manner, both sides of the surface of the spring guide rods are both connected with pressurizing sleeves in a sliding manner, one end, far away from the spring guide rods, of the inner cavity of each pressurizing sleeve is connected with an external pressurizing pump in a sliding manner, the bottom end of each external pressurizing pump is fixedly connected with a side support ring, and the middle part of the inner wall of the top part is fixedly connected with a gas transmission transfer tube; the regulation and control device comprises an annular hose, traction annular belts are fixedly connected to the upper end and the lower end of the annular hose, the two ends of the annular hose are in sliding connection with the middle part inserted into the inner cavity of the main cylinder, elastic cake discs are fixedly connected to the two sides of the inner wall of the annular hose, a connecting annular belt is fixedly connected to one side, close to the elastic cake discs, of the inner wall of the annular hose, and one end, far away from the annular hose, of the connecting annular belt is fixedly connected with the outer surface of the elastic cake discs. When the gas-exhaust device is used, the gas in the wellhead is pumped out from the gas-exhaust through pipe by the bending through pipe, flows from bottom to top in the process, sequentially passes through the reverse suction prevention component and the regulating and controlling device, and the flowmeter judges the passing flow of the gas according to the flow of the gas flow in the process of passing through the middle flowmeter. The device can not only carry out flow monitoring work to the gas that the well head was taken out through the flowmeter of inside, can also control air exhaust device's actual air extraction effect through the regulation and control device ration in middle part to the elastic cake dish need not use outside covering thing to block up the opening, and its own compression set just can reduce the actual size of opening, thereby has eliminated the regulation and control device and has loosen the problem that leads to the device trouble easily under the lift effect inner part.
Preferably, one end of the traction ring belt far away from the annular hose is fixedly connected with the inner cavity of the inserted main cylinder, the inner cavity of the elastic cake tray is uniformly provided with the cross flow port, the connection ring belt is made of rubber, the surface of the inserted main cylinder is fixedly connected with the inner wall of the gas well, and the surface of the annular hose is mutually extruded with the inner wall of the gas well. The middle part of gas-supply transfer pipe inner chamber has evenly offered the through-hole, the middle part and the one side sliding connection of annular hose inner chamber of gas-supply transfer pipe surface, the quantity of gas-supply transfer pipe is two, the top on gas-supply transfer pipe surface and the top fixed connection who inserts main section of thick bamboo inner chamber, the bottom on top part surface and the top joint of inserting main section of thick bamboo. The device can be through the gas flow of regulation and control device control actual through the flowmeter, the gas-supply transfer pipe of both sides is inflated to the inner chamber of annular hose through the gas pocket at middle part, the inner chamber inflation of annular hose this moment, because the surface of annular hose and the inner wall contact of gas well, the concave surface department on annular hose surface can pull elastic connection clitellum gradually in the in-process of inflation and buckle, and then play the effect of extrusion middle part elasticity cake dish, the outside of elasticity cake dish is evenly extruded this moment, and then lead to every opening of elasticity cake dish all to be extruded, along with the reduction of gas pocket, the gas through regulation and control device is difficult to be absorbed by the air exhaust device of top, and then the actual flow of gas has been reduced.
Preferably, the number of the annular clamping plates is two, the surface of the annular clamping plates is in sliding connection with the inner wall of the top end part, the bottom of the inner cavity of the inserted main cylinder is fixedly connected with a reverse suction prevention part, two sides of the bottom of the inner cavity of the inserted main cylinder are fixedly connected with wastewater tanks, and one side, close to the top end part, of the inner cavity of the wastewater tank is fixedly connected with a water pumping pipe. The top part can control the pressure intensity inside the annular hose, the external pressurizing pumps on two sides can push the pressurizing sleeves on the corresponding sides to clamp each other in a pumping mode, the pressurizing sleeves are close to each other along the spring guide rod, and then the annular clamping plates on two sides convey gas in the inner cavity of the top part to the inside of the annular hose through the gas transmission transfer pipe under the clamping action of the pressurizing sleeves. The device carries out indirect pressurization to the inner chamber of annular hose through the external force (forcing) pump of both sides to reach the effect of control elasticity cake dish deformation, use the annular splint of both sides to punch the mode of annular hose inner chamber with top part inner chamber gas, can avoid appearing external force (forcing) pump and excessively pressurize, lead to annular hose excessive expansion and burst the problem.
Preferably, the lateral support ring comprises a hollow ring shell, two sides of the inner cavity of the hollow ring shell are respectively and rotatably connected with an arc-shaped fan plate, the outer surface of the arc-shaped fan plate is rotatably connected with a concave extrusion block, and two ends of the concave extrusion block are respectively extended to the outside of the lateral support ring through connecting wires. The two sides of the cavity of the hollow annular shell are symmetrically provided with through holes, the through holes extend to the outside of the hollow annular shell, the bottom end of the external booster pump is in butt joint with the top of the surface of the hollow annular shell through the through holes, two sides of the surface of the arc-shaped fan plate are fixedly connected with reset spring bands, and one end, far away from the arc-shaped fan plate, of each reset spring band is in sliding connection with the inner wall of the hollow annular shell. The external force (forcing) pump of both sides is fixed on the side support ring, can carry out the air current exchange from outside through the opening of hollow ring shell inner chamber at external force (forcing) pump work in-process, and at external force (forcing) pump in-process of bleeding, the arc fan board that is located external force (forcing) pump under can upwards deflect along the inner wall of hollow ring shell under the effect of air current, and the concave surface department of concave extrusion piece can be swept to the side of arc fan board at this moment, and the concave surface extrusion piece senses the concave surface department of concave extrusion piece, and the same reason is at external force (forcing) pump exhaust in-process, and the concave surface extrusion piece senses the concave surface department of concave extrusion piece. The side support ring of the device can simply filter the gas pumped by the external pressurizing pump, so that the pump body is prevented from being damaged by impurities, the arc-shaped fan plate deflects along with the working state in the pressurizing and depressurizing process of the external pressurizing pump, the stress surface of the concave extrusion block is swept, the influence of the external pressurizing pump on the air flow is amplified, the preparation work is performed in advance, and the injury of external personnel due to the pressure effect generated by the operation of the side support ring is prevented.
Preferably, the anti-suck-back component comprises a control turntable, a fixed vertical rod is rotationally connected to the axis of the inner cavity of the control turntable, a veneering baffle is uniformly arranged at the top of the fixed vertical rod, a heating guide cylinder is rotationally connected to the bottom of the surface of the control turntable, an axis turntable is fixedly connected to the bottom end of the heating guide cylinder, and power components are arranged on two sides of the surface of the control turntable. Under normal conditions, the on-off state of gas in the wellhead is controlled through the anti-suck-back component, the power components on two sides can control the rotation of the control turntable in the middle, so that four through holes of the control turntable are in butt joint with four heating guide cylinders under the control turntable, when the wellhead is closed, the control turntable rotates, the four through holes are staggered with the top through holes of the heating guide cylinders, and the wellhead is further closed. The device can directly clear up the through-hole of elasticity cake dish through the mode of washing, and the inside of well head can be plugged up to the anti-suck-back part of this moment to the drainage of the waste water groove of guide waste water to both sides, the heating guide section of thick bamboo of this moment can heat the whole anti-suck-back part through the heat energy that supplies power to produce and raise the temperature, thereby becomes vapor with the water of upper surface and discharges through the drinking-water pipe, in order to eliminate the influence of water stain.
Preferably, the power component comprises a meshing rotating shell, the top of the inner cavity of the meshing rotating shell is slidably connected with a torque rotary table through a vertical cutting groove, a sliding inserted bar is fixedly connected with the axle center of the torque rotary table, a control motor is slidably connected with the bottom end of the sliding inserted bar, the top end of the sliding inserted bar is rotatably connected with a concave inner shell, and a spring washer is fixedly connected with the top of the inner cavity of the concave inner shell. The through hole of the elastic cake disc is smaller, cleaning work is needed periodically during use, cleaning is convenient to achieve, after the control turntable and the heating guide cylinder are staggered through the power component, cleaning water is added into the device from the top end component, after the through hole of the elastic cake disc is cleaned, waste water can be accumulated above the control turntable, then enters the waste water tanks on two sides, is reversely drawn out through the water suction pipes on two sides, and the veneering baffle plate positioned on the upper surface of the control turntable is always kept in a relatively static state, so that the upper surface of the control turntable can be swept in the rotating process of the control turntable, and impurities falling on the upper surface of the control turntable are scraped and washed.
Preferably, the surface of the engagement rotating shell is meshed with the surface of the control turntable, the surface of the engagement rotating shell is rotationally connected with the inner cavity of the insertion main cylinder, the bottom end of the control motor is fixedly connected with the inner cavity of the insertion main cylinder, the axis of the inner cavity of the control motor is fixedly connected with a power supply through a connecting wire, and the surface of the power supply is fixedly connected with the bottom of the inner cavity of the insertion main cylinder. The power component of both sides and the bottom butt joint of gas-supply transfer pipe, when the gas-supply transfer pipe pressurizes the inner chamber of annular hose, concave inner shell also can extrude the slip inserted bar of below because of the effect of pressure, and the control motor of disconnected state can carry out the circular telegram work, and then through the moment of torsion carousel rotation of output shaft control top, moment of torsion carousel traction interlock changes the shell and drives outside control carousel deflection certain angle, and when the gas-supply transfer pipe did not pressurize, by the spring washer of elongation with concave inner shell and slip inserted bar upwards traction, make the control motor unable work. The power component of the device can work normally and bind with the operating condition of gas transmission transfer pipe, when gas transmission transfer pipe atmospheric pressure is not enough, the power component can't deflect control carousel, and then lead to control carousel and heating guide section of thick bamboo dislocation, can not normally take out the gas from the well, after the troubleshooting, gas transmission transfer pipe atmospheric pressure is good, and power component just can work, and then reduces the probability that regulation and control device appears unexpected accident at the during operation.
The beneficial effects of the invention are as follows:
1. the device can not only carry out flow monitoring work to the gas that the well head was taken out through the flowmeter of inside to the internal structure adopts the mode of equipment to install, thereby can also control air exhaust device's actual air extraction effect through the regulation and control device ration in middle part, and the elastic cake dish need not use outside covering the thing to block up the opening, and its own compression set just can reduce the actual size of opening, thereby has eliminated the regulation and control device and has loosen the problem that leads to the device trouble easily under the lift effect inner part.
2. The device carries out indirect pressurization to the inner chamber of annular hose through the external force (forcing) pump of both sides to reach the effect of control elasticity cake dish deformation, use the annular splint of both sides to punch the mode of annular hose inner chamber with top part inner chamber gas, can avoid appearing external force (forcing) pump and excessively pressurize, lead to annular hose excessive expansion and burst the problem.
3. The side support ring of the device can simply filter the gas pumped by the external pressurizing pump, so that the pump body is prevented from being damaged by impurities, the arc-shaped fan plate deflects along with the working state in the pressurizing and depressurizing process of the external pressurizing pump, the stress surface of the concave extrusion block is swept, the influence of the external pressurizing pump on the air flow is amplified, the preparation work is performed in advance, and the injury of external personnel due to the pressure effect generated by the operation of the side support ring is prevented.
4. The device can directly clear up the through-hole of elasticity cake dish through the mode of washing, and the inside of well head can be plugged up to the anti-suck-back part of this moment to the drainage of the waste water groove of guide waste water to both sides, the heating guide section of thick bamboo of this moment can heat the whole anti-suck-back part through the heat energy that supplies power to produce and raise the temperature, thereby becomes vapor with the water of upper surface and discharges through the drinking-water pipe, in order to eliminate the influence of water stain.
5. The power component of the device can work normally and bind with the operating condition of gas transmission transfer pipe, when gas transmission transfer pipe atmospheric pressure is not enough, the power component can't deflect control carousel, and then lead to control carousel and heating guide section of thick bamboo dislocation, can not normally take out the gas from the well, after the troubleshooting, gas transmission transfer pipe atmospheric pressure is good, and power component just can work, and then reduces the probability that regulation and control device appears unexpected accident at the during operation.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of a tip component of the present invention;
FIG. 4 is a cross-sectional view of a regulating device of the present invention;
FIG. 5 is a cross-sectional view of a side support ring of the present invention;
FIG. 6 is a schematic view of the structure of the anti-suck-back member of the present invention;
FIG. 7 is a cross-sectional view of a power component of the present invention;
in the figure: 1. inserting the main cylinder; 11. a waste water tank; 12. a water pumping pipe; 13. a flow meter; 2. an air extracting device; 21. bending the through pipe; 22. a gas outlet pipe; 3. a tip member; 31. an annular clamping plate; 32. a spring guide rod; 33. a pressurizing sleeve; 34. an external pressurizing pump; 35. a gas transfer tube; 5. a regulating device; 51. an annular hose; 52. traction ring belt; 53. connecting the endless belt; 54. an elastic cake tray; 4. a lateral support ring; 41. a hollow annular shell; 42. arc-shaped fan plates; 43. a return spring strap; 44. a concave extrusion block; 6. a suck-back prevention member; 61. a control turntable; 62. fixing a vertical rod; 63. a veneer baffle; 64. an axle center rotary table; 65. a heating guide cylinder; 66. supplying power; 7. a power component; 71. engaging the rotating shell; 72. a spring washer; 73. a concave inner shell; 74. a torque turntable; 75. controlling a motor; 76. sliding the plunger.
Detailed Description
In embodiment 1, referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a gas well wellhead flow monitoring device, including inserting main section of thick bamboo 1, insert the middle part sliding connection in main section of thick bamboo 1 inner chamber and have regulation and control device 5, insert the top fixedly connected with flowmeter 13 of main section of thick bamboo 1 inner wall, insert the top fixedly connected with top part 3 of main section of thick bamboo 1, the axle center department fixedly connected with air extraction device 2 of top part 3 inner wall, air extraction device 2 is through air inlet fixedly connected with bending tube 21, air extraction device 2 is through gas vent fixedly connected with air outlet tube 22;
the top end part 3 comprises an annular clamping plate 31, two sides of the inner cavity of the annular clamping plate 31 are both connected with a spring guide rod 32 in a sliding manner, two sides of the surface of the spring guide rod 32 are both connected with a pressurizing sleeve 33 in a sliding manner, one end, far away from the spring guide rod 32, of the inner cavity of the pressurizing sleeve 33 is connected with an external pressurizing pump 34 in a sliding manner, the bottom end of the external pressurizing pump 34 is fixedly connected with a side support ring 4, and the middle part of the inner wall of the top end part 3 is fixedly connected with a gas transmission switching tube 35;
the regulating device 5 comprises an annular hose 51, traction annular belts 52 are fixedly connected to the upper end and the lower end of the annular hose 51, the two ends of the annular hose 51 are slidably connected with the middle part inserted into the inner cavity of the main cylinder 1, elastic cake trays 54 are slidably connected to the two sides of the inner wall of the annular hose 51, a connecting annular belt 53 is fixedly connected to one side, close to the elastic cake trays 54, of the inner wall of the annular hose 51, and one end, far away from the annular hose 51, of the connecting annular belt 53 is fixedly connected with the outer surface of the elastic cake trays 54.
One end of the traction ring belt 52 far away from the annular hose 51 is fixedly connected with the inner cavity of the inserted main cylinder 1, the inner cavity of the elastic cake disc 54 is uniformly provided with cross flow ports, the connection ring belt 53 is made of rubber, the surface of the inserted main cylinder 1 is fixedly connected with the inner wall of a gas well, and the surface of the annular hose 51 and the inner wall of the gas well are mutually extruded.
The through-hole has evenly been seted up at the middle part of gas transmission transfer pipe 35 inner chamber, and the middle part of gas transmission transfer pipe 35 surface and one side sliding connection of annular hose 51 inner chamber, and the quantity of gas transmission transfer pipe 35 is two, and the top on gas transmission transfer pipe 35 surface and the top fixed connection of inserting main section of thick bamboo 1 inner chamber, the bottom on top part 3 surface and the top joint of inserting main section of thick bamboo 1.
The number of the annular clamping plates 31 is two, the surface of the annular clamping plates 31 is in sliding connection with the inner wall of the top end part 3, the bottom of the inner cavity of the main cylinder 1 is fixedly connected with the anti-suck-back part 6, two sides of the bottom of the inner cavity of the main cylinder 1 are fixedly connected with the waste water tank 11, and one side, close to the top end part 3, of the inner cavity of the waste water tank 11 is fixedly connected with the water pumping pipe 12.
Before the device is used for wellhead flow monitoring, the device is installed, the adaptive insertion main cylinder 1 is inserted from the wellhead, then the top end part 3 is butted with the top of the insertion main cylinder 1, the top of the wellhead is completely sealed by the device, the installation is completed, and at the moment, the gas in the well can only be discharged to the outside through the device.
When the gas extraction device is used, the gas extraction device 2 positioned above extracts the gas in the wellhead from the gas outlet through pipe 22 by bending the through pipe 21, flows from bottom to top in the process, sequentially passes through the reverse suction prevention component 6 and the regulating and controlling device 5, and in the process of passing through the middle flowmeter 13, the flowmeter 13 judges the passing flow of the gas according to the flow of the gas flow.
The device can be through the gas flow of regulation and control device 5 control actual through flowmeter 13, the gas-supply transfer pipe 35 of both sides is inflated the inner chamber of annular hose 51 through the gas pocket in middle part, the inner chamber of annular hose 51 is inflation this moment, because the surface of annular hose 51 and the inner wall contact of gas well, so the concave surface department on annular hose 51 surface can pull elastic connection clitellum 53 bending gradually at the in-process of inflation, and then play the effect of extrusion middle part elastic cake dish 54, the outside of elastic cake dish 54 is evenly extruded this moment, and then lead to every opening of elastic cake dish 54 all to be extruded, along with the reduction of gas pocket, the gas through regulation and control device 5 is difficult to be absorbed by air extraction device 2 of top, and then the actual flow of gas has been reduced.
The top end part 3 can control the pressure inside the annular hose 51, the external pressurizing pumps 34 on two sides can push the pressurizing sleeves 33 on the corresponding sides to clamp each other in a pumping mode, the pressurizing sleeves 33 are close to each other along the spring guide rod 32, and then the annular clamping plates 31 on two sides convey the gas in the inner cavity of the top end part 3 to the inside of the annular hose 51 through the gas transmission transfer tube 35 under the clamping action of the pressurizing sleeves 33, and the problem that the annular hose 51 is excessively expanded to burst does not occur even if the external pressurizing pumps 34 are excessively pressurized due to the limited gas quantity in the inner cavity of the top end part 3.
In embodiment 2, referring to fig. 1 to 7, the present invention provides a technical solution: on the basis of the first embodiment, the lateral support ring 4 comprises a hollow ring shell 41, two sides of an inner cavity of the hollow ring shell 41 are rotatably connected with arc-shaped fan plates 42, the outer surfaces of the arc-shaped fan plates 42 are rotatably connected with concave extrusion blocks 44, and two ends of the concave extrusion blocks 44 extend to the outside of the lateral support ring 4 through connecting wires.
The two sides of the inner cavity of the hollow annular shell 41 are symmetrically provided with through holes, the through holes extend to the outside of the hollow annular shell 41, the bottom end of the external booster pump 34 is in butt joint with the top of the surface of the hollow annular shell 41 through the through holes, the two sides of the surface of the arc-shaped fan plate 42 are fixedly connected with reset spring bands 43, and one end, far away from the arc-shaped fan plate 42, of each reset spring band 43 is in sliding connection with the inner wall of the hollow annular shell 41.
The anti-suck-back component 6 comprises a control turntable 61, a fixed vertical rod 62 is rotationally connected to the axis of the inner cavity of the control turntable 61, a veneering baffle 63 is uniformly arranged at the top of the fixed vertical rod 62, a heating guide cylinder 65 is rotationally connected to the bottom of the surface of the control turntable 61, an axis turntable 64 is fixedly connected to the bottom of the heating guide cylinder 65, and power components 7 are arranged on two sides of the surface of the control turntable 61.
The power component 7 comprises a meshing rotating shell 71, a torque rotary table 74 is slidably connected to the top of an inner cavity of the meshing rotating shell 71 through a vertical cutting groove, a sliding inserted rod 76 is fixedly connected to the axle center of the torque rotary table 74, a control motor 75 is slidably connected to the bottom end of the sliding inserted rod 76, a concave inner shell 73 is rotatably connected to the top end of the sliding inserted rod 76, and a spring washer 72 is fixedly connected to the top of the inner cavity of the concave inner shell 73.
The surface of the engagement rotating shell 71 is meshed with the surface of the control turntable 61, the surface of the engagement rotating shell 71 is rotationally connected with the inner cavity of the insertion main cylinder 1, the bottom end of the control motor 75 is fixedly connected with the inner cavity of the insertion main cylinder 1, the axis of the inner cavity of the control motor 75 is fixedly connected with the power supply 66 through a connecting wire, and the surface of the power supply 66 is fixedly connected with the bottom of the inner cavity of the insertion main cylinder 1.
The external booster pumps 34 on two sides are fixed on the side support ring 4, in the working process of the external booster pumps 34, air flow exchange is carried out from the outside through the through hole of the inner cavity of the hollow ring shell 41, in the air exhausting process of the external booster pumps 34, the arc-shaped fan plate 42 located right below the external booster pumps 34 deflects upwards along the inner wall of the hollow ring shell 41 under the action of air flow, at the moment, the side surface of the arc-shaped fan plate 42 can sweep the concave surface of the concave extrusion block 44, the concave extrusion block 44 senses the arc-shaped fan plate 42 to deflect upwards, and in the same way, in the air exhausting process of the external booster pumps 34, the side surface of the arc-shaped fan plate 42 can sweep the concave surface of the concave extrusion block 44, and the concave extrusion block 44 senses the arc-shaped fan plate 42 to deflect downwards.
Under normal conditions, the on-off state of gas in the wellhead needs to be controlled through the anti-suck-back component 6, the power components 7 on two sides can control the rotation of the control turntable 61 in the middle, so that four through holes of the control turntable 61 are in butt joint with four heating guide cylinders 65 under the control turntable, and when the wellhead is closed, the control turntable 61 rotates, the four through holes are staggered with the top through holes of the heating guide cylinders 65, and the wellhead is further closed.
The through hole of the elastic cake disc 54 is smaller, cleaning work is needed periodically during use, in order to facilitate cleaning, after the control turntable 61 and the heating guide cylinder 65 are staggered through the power component 7, cleaning water is added into the device from the top component 3, after the through hole of the elastic cake disc 54 is cleaned, waste water is accumulated above the control turntable 61 and then enters the waste water tanks 11 on two sides, and the water suction pipes 12 on two sides reversely draw out, so that the veneering baffle 63 on the upper surface of the control turntable 61 always keeps a relatively static state, and impurities falling on the upper surface of the control turntable 61 can be cleaned on the upper surface of the control turntable 61 in a scraping and flushing mode, after the flushing work is finished, the heating guide cylinder 65 is electrified to heat the temperature inside the device, and residual water stains are dried.
The power parts 7 on two sides are in butt joint with the bottom end of the air delivery transfer tube 35, when the air delivery transfer tube 35 pressurizes the inner cavity of the annular hose 51, the concave inner shell 73 can also press the sliding inserted rod 76 below under the action of pressure, the control motor 75 in an off state can conduct power-on work, further the torque rotary table 74 above the control motor is controlled by the output shaft to rotate, the torque rotary table 74 is pulled to be meshed with the rotary shell 71 to drive the external control rotary table 61 to deflect a certain angle, and when the air delivery transfer tube 35 does not pressurize, the elongated spring washer 72 pulls the concave inner shell 73 and the sliding inserted rod 76 upwards, so that the control motor 75 cannot work.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present invention without the inventive step, are intended to be within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (9)
1. The utility model provides a gas well head flow monitoring devices, includes inserts main section of thick bamboo (1), the middle part sliding connection of inserting main section of thick bamboo (1) inner chamber has regulation and control device (5), the top fixedly connected with flowmeter (13) of inserting main section of thick bamboo (1) inner wall, the top fixedly connected with top part (3) of inserting main section of thick bamboo (1), the axle center department fixedly connected with air extraction device (2) of top part (3) inner wall, air extraction device (2) are through air inlet fixedly connected with siphunculus (21) of buckling, air extraction device (2) are through gas vent fixedly connected with siphunculus (22), its characterized in that:
the top end part (3) comprises an annular clamping plate (31), spring guide rods (32) are slidably connected to two sides of an inner cavity of the annular clamping plate (31), pressurizing sleeves (33) are slidably connected to two sides of the surface of the spring guide rods (32), an external pressurizing pump (34) is slidably connected to one end, far away from the spring guide rods (32), of the inner cavity of the pressurizing sleeve (33), a side support ring (4) is fixedly connected to the bottom end of the external pressurizing pump (34), and a gas transmission switching tube (35) is fixedly connected to the middle of the inner wall of the top end part (3);
the regulation and control device (5) comprises an annular hose (51), traction endless belts (52) are fixedly connected to the upper end and the lower end of the annular hose (51), the two ends of the annular hose (51) are in sliding connection with the middle part inserted into the inner cavity of the main cylinder (1), elastic cake discs (54) are fixedly connected to the two sides of the inner wall of the annular hose (51), a connecting endless belt (53) is fixedly connected to one side, close to the elastic cake discs (54), of the inner wall of the annular hose (51), and one end, far away from the annular hose (51), of the connecting endless belt (53) is fixedly connected with the outer surface of the elastic cake discs (54).
2. A gas well wellhead flow monitoring device as claimed in claim 1, wherein: one end of the traction ring belt (52) far away from the annular hose (51) is fixedly connected with the inner cavity of the insertion main cylinder (1), the inner cavity of the elastic cake disc (54) is uniformly provided with a cross flow port, the connection ring belt (53) is made of rubber, the surface of the insertion main cylinder (1) is fixedly connected with the inner wall of the gas well, and the surface of the annular hose (51) is mutually extruded with the inner wall of the gas well.
3. A gas well wellhead flow monitoring device as claimed in claim 2, wherein: the utility model discloses a gas-supply transfer pipe, including gas-supply transfer pipe (35) and top part, the through-hole has evenly been seted up at the middle part of gas-supply transfer pipe (35) inner chamber, the middle part on gas-supply transfer pipe (35) surface and one side sliding connection in annular hose (51) inner chamber, the quantity of gas-supply transfer pipe (35) is two, the top on gas-supply transfer pipe (35) surface and the top fixed connection of inserting main section of thick bamboo (1) inner chamber, the bottom on top part (3) surface and the top joint of inserting main section of thick bamboo (1).
4. A gas well wellhead flow monitoring device as claimed in claim 3, wherein: the number of the annular clamping plates (31) is two, the surface of the annular clamping plates (31) is in sliding connection with the inner wall of the top end part (3), the bottom of the inner cavity of the insertion main cylinder (1) is fixedly connected with the anti-suck-back part (6), two sides of the bottom of the inner cavity of the insertion main cylinder (1) are fixedly connected with the waste water tank (11), and one side, close to the top end part (3), of the inner cavity of the waste water tank (11) is fixedly connected with the water suction pipe (12).
5. A gas well wellhead flow monitoring device as claimed in claim 1, wherein: the side position support ring (4) comprises a hollow ring shell (41), arc-shaped fan plates (42) are rotatably connected to two sides of an inner cavity of the hollow ring shell (41), concave extrusion blocks (44) are rotatably connected to the outer surfaces of the arc-shaped fan plates (42), and two ends of each concave extrusion block (44) extend to the outside of the side position support ring (4) through connecting wires.
6. A gas well wellhead flow monitoring device as claimed in claim 5, wherein: the two sides of the inner cavity of the hollow annular shell (41) are symmetrically provided with through holes, the through holes extend to the outside of the hollow annular shell (41), the bottom end of the external booster pump (34) is in butt joint with the top of the surface of the hollow annular shell (41) through the through holes, two sides of the surface of the arc-shaped fan plate (42) are fixedly connected with reset spring strips (43), and one end, far away from the arc-shaped fan plate (42), of each reset spring strip (43) is in sliding connection with the inner wall of the hollow annular shell (41).
7. A gas well wellhead flow monitoring device as claimed in claim 4, wherein: the anti-suck-back component (6) comprises a control turntable (61), a fixed vertical rod (62) is rotationally connected to the axis of an inner cavity of the control turntable (61), a veneering baffle (63) is uniformly arranged at the top of the fixed vertical rod (62), a heating guide cylinder (65) is rotationally connected to the bottom of the surface of the control turntable (61), an axis turntable (64) is fixedly connected to the bottom of the heating guide cylinder (65), and power components (7) are arranged on two sides of the surface of the control turntable (61).
8. A gas well wellhead flow monitoring device as claimed in claim 7, wherein: the power component (7) comprises a meshing rotating shell (71), a torque rotary table (74) is slidably connected to the top of an inner cavity of the meshing rotating shell (71) through a vertical cutting groove, a sliding inserting rod (76) is fixedly connected to the axle center of the torque rotary table (74), a control motor (75) is slidably connected to the bottom end of the sliding inserting rod (76), a concave inner shell (73) is rotatably connected to the top end of the sliding inserting rod (76), and a spring washer (72) is fixedly connected to the top of the inner cavity of the concave inner shell (73).
9. A gas well wellhead flow monitoring device as claimed in claim 8, wherein: the surface of interlock commentaries on classics shell (71) is connected with the surface meshing of control carousel (61), the surface of interlock commentaries on classics shell (71) is rotated with the inner chamber of inserting main section of thick bamboo (1) and is connected, the bottom of control motor (75) is fixedly connected with the inner chamber of inserting main section of thick bamboo (1), the axle center department of control motor (75) inner chamber is through connecting wire fixedly connected with power supply (66), the surface of power supply (66) is fixedly connected with the bottom of inserting main section of thick bamboo (1) inner chamber.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117027770A (en) * | 2023-09-26 | 2023-11-10 | 奥宸科技有限公司 | Gas well wellhead pressure real-time monitoring device |
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