CN111502612A - Water drainage gas production device based on supersonic velocity jet atomization - Google Patents
Water drainage gas production device based on supersonic velocity jet atomization Download PDFInfo
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- CN111502612A CN111502612A CN202010298047.6A CN202010298047A CN111502612A CN 111502612 A CN111502612 A CN 111502612A CN 202010298047 A CN202010298047 A CN 202010298047A CN 111502612 A CN111502612 A CN 111502612A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/122—Gas lift
Abstract
The invention discloses a drainage and gas production device based on supersonic jet atomization, which comprises an inner cylinder, wherein a spring mandrel penetrates through the bottom of the inner cylinder, a sealing spring is sleeved on the spring mandrel, one end of the sealing spring is fixed at the bottom in the inner cylinder, the other end of the sealing spring is fixed at one end of the spring mandrel, a bearing cylinder is sleeved on the inner cylinder, one end of the spring mandrel is provided with an air nozzle lower joint, and one side of the air nozzle lower joint is provided with a groove. The invention realizes supersonic acceleration through the supersonic air nozzle, the air nozzle is composed of a reducing section and a gradually expanding section, can generate supersonic atomization, further improves the drainage and gas production efficiency, has the advantages of low cost, simple structure, adjustability and no auxiliary machinery or energy system, reduces the effect of lifting friction force, reduces the fishing difficulty, improves the success rate and safety factor of fishing construction, increases the depth of penetration, does not influence the seat sealing effect when a gas well is opened or closed, and has high stability.
Description
Technical Field
The invention relates to the technical field of natural gas exploitation, in particular to a drainage and gas production device based on supersonic jet atomization.
Background
In the natural gas exploitation process, the bottom hole pressure and the natural gas flow rate are gradually reduced along with the exploitation time, so that produced water or condensate of a gas reservoir cannot be discharged along with gas flow, a gas well liquid accumulation phenomenon is formed, the natural gas exploitation efficiency and yield are influenced, and a gas well is stopped in severe cases. Therefore, a new method and a new technology for drainage and gas production with high reliability, good efficiency and strong economy need to be developed.
At present, the liquid accumulation at the bottom of a well mainly comprises three types of drainage gas recovery methods, namely a pneumatic method, a mechanical method and a physical and chemical method, wherein the restrictor at the bottom of the well belongs to a pneumatic drainage gas recovery device, and the flow velocity and the kinetic energy of natural gas at the bottom of the well are accelerated and promoted by utilizing pneumatics, so that the defect of the carrying capacity of a gas-liquid two-phase flow working medium by low flow velocity is overcome.
The drainage gas production device of the throttler has the advantages of low cost, simple and reliable structure and no auxiliary machinery or energy system, and can be arranged at the bottom of a well for a long time to improve the gas production efficiency.
However, the traditional throttler adopts a plate hole air nozzle structure, and airflow near the plate hole air nozzle generates serious distortion, so that the total pressure recovery coefficient of the airflow behind the throttler is reduced, and the drainage and gas production efficiency is limited.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a water and gas drainage device based on supersonic jet atomization.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water and gas drainage and production device based on supersonic jet atomization comprises an inner barrel, wherein a spring mandrel penetrates through the bottom of the inner barrel, a sealing spring is sleeved on the spring mandrel, one end of the sealing spring is fixed at the bottom in the inner barrel, the other end of the sealing spring is fixed at one end of the spring mandrel, a bearing barrel is sleeved on the inner barrel, an air nozzle lower joint is arranged at one end of the spring mandrel, a groove is formed in one side of the air nozzle lower joint, a sealing rubber gasket is arranged at the bottom in the groove, an air nozzle body is fixed at one end of the sealing rubber gasket, two third sealing grooves are formed in one circumferential side wall of the air nozzle body, a third O-shaped sealing ring is arranged in each third sealing groove, one side of each third O-shaped sealing ring is abutted against the opposite side wall in the groove, an air nozzle upper joint is installed at one end of the air nozzle body, the air faucet is characterized in that a locking sleeve is installed on the central pipe, a breaking rod is arranged in the central pipe, a shearing pin penetrates through the breaking rod and the central pipe together, and one end of the breaking rod extends into the air faucet upper connector.
Preferably, be fixed with the sealed packing element on the center tube, be equipped with two first seal grooves on the center tube, all install first O shape sealing washer in two first seal grooves, install the connecting cylinder on the center tube, be fixed with down sealed packing element on the connecting cylinder, first O shape sealing washer is contradicted in the inboard of connecting cylinder, the common cover is equipped with a bearing section of thick bamboo on inner tube and the connecting cylinder, be equipped with two second seal grooves on the a week lateral wall of air cock lower clutch, be equipped with second O shape sealing washer in the second seal groove, the one end of second O shape sealing washer is contradicted on the inner wall of center tube.
Preferably, a four-hole ring is fixed in the bearing cylinder, an adjusting nut is sleeved on the inner thread of the bearing cylinder, one end of the spring mandrel penetrates through the four-hole ring and the adjusting nut and extends to one side of the adjusting nut, a fixing nut is installed on the spring mandrel, and one side of the fixing nut abuts against one side of the adjusting nut.
Preferably, install the slip seat on the center tube, install the slips on the slip seat, install solid fixed ring jointly on center tube and the slips, one side of slips is contradicted in one side of center tube.
Preferably, the air tap body, the air tap upper joint and the air tap lower joint are all made of high-strength aluminum alloy.
Preferably, the upper sealing rubber barrel and the lower sealing rubber barrel are both made of ethylene propylene diene monomer.
Preferably, the first O-ring, the second O-ring and the third O-ring are made of nitrile rubber.
Preferably, one side of the slip is provided with a plurality of teeth at equal intervals.
Preferably, two through holes are formed in the spring mandrel.
Compared with the prior art, the invention has the beneficial effects that:
1. supersonic acceleration is realized through the supersonic air nozzle and the air flow, the problem of reduction of the total pressure recovery coefficient of the air flow caused by strong shock waves or air flow distortion is avoided, the drainage and gas recovery efficiency is further improved, and the device has the advantages of low cost, simple structure, adjustability and no auxiliary machinery or energy system;
2. through the matching among the slips, the upper sealing rubber cylinder and the lower sealing rubber cylinder, the problems of large fishing resistance and low success rate are solved, the effect of reducing the lifting friction force is achieved, the fishing difficulty is reduced, and the success rate and the safety factor of fishing construction are improved;
to sum up, this device realizes the supersonic speed through the supersonic speed air cock and accelerates, and the air cock comprises reduction section and gradual expansion section, can produce the supersonic speed atomization effect, has further improved drainage gas production efficiency, has with low costs, simple structure, the advantage of transposable, do not have auxiliary machinery or energy system, reduces the effect of lifting the frictional force, has reduced the salvage degree of difficulty, has improved the success rate and the factor of safety of salvage construction, has increased the depth of going into, and gas well switch well does not influence the seat seal effect, and stability is high.
Drawings
FIG. 1 is a schematic diagram of an external structure of a water and gas drainage and production device based on supersonic jet atomization, which is provided by the invention;
FIG. 2 is a schematic diagram of the internal structure of a water and gas drainage and production device based on supersonic jet atomization, which is provided by the invention;
FIG. 3 is a schematic structural view of an air faucet body of a drainage and gas production device based on supersonic jet atomization, which is provided by the invention;
fig. 4 is a central cross-sectional view of a supersonic jet atomizing air nozzle of a drainage and gas production device based on supersonic jet atomization.
In the figure: the sealing device comprises a pull-off rod 1, a shear pin 2, a slip seat 3, a fixing ring 4, an air nozzle upper joint 5, a central pipe 6, a slip 7, an upper sealing rubber cylinder 8, a locking sleeve 9, a first O-shaped sealing ring 10, a lower sealing rubber cylinder 11, a second O-shaped sealing ring 12, an inner cylinder 13, a bearing cylinder 14, a spring mandrel 15, a sealing spring 16, a four-hole ring 17, an adjusting nut 18, a fixing nut 19, a third O-shaped sealing ring 20, an air nozzle lower joint 21, an air nozzle body 22 and a sealing rubber gasket 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1, 2, 3 and 4, a water drainage and gas production device based on supersonic jet atomization comprises an inner cylinder 13, wherein a spring mandrel 15 penetrates through the bottom of the inner cylinder 13, two through holes are formed in the spring mandrel 15, a sealing spring 16 is sleeved on the spring mandrel 15, one end of the sealing spring 16 is fixed at the bottom in the inner cylinder 13, the other end of the sealing spring 16 is fixed at one end of the spring mandrel 15, a bearing cylinder 14 is sleeved on the inner cylinder 13, an air tap lower joint 21 is arranged at one end of the spring mandrel 15, and through the matching between the sealing spring 16 and the spring mandrel 15, lifting is facilitated, so that the water drainage and gas production efficiency is improved;
one side of the lower joint 21 of the air tap is provided with a groove, the bottom in the groove is provided with a sealing rubber pad 23, one end of the sealing rubber pad 23 is fixed with an air tap body 22, the side wall of one circle of the air tap body 22 is provided with two third sealing grooves, a third O-shaped sealing ring 20 is arranged in the third sealing groove, one side of the third O-shaped sealing ring 20 is propped against the opposite side wall in the groove, one end of the air tap body 22 is provided with an upper joint 5 of the air tap, the high-pressure and low-speed air flow at the bottom passes through the upper joint 5 of the air tap, the air flow is compressed due to the, the critical state is reached at the air nozzle body 22, the air flow speed is raised to the local sound velocity, the air flow in the critical state flows through the air nozzle lower joint 21, the cross section of the air nozzle is reduced to expand the air flow, the air flow is accelerated to reach a supersonic speed state, the supersonic speed air flow is continuously accelerated at the air nozzle lower connector 21, and finally the air nozzle is sprayed out;
the cover is equipped with center tube 6 on the air cock upper joint 5, installs lock sleeve 9 on the center tube 6, is equipped with in the center tube 6 and breaks pole 1, runs through jointly on breaking pole 1 and the center tube 6 and is equipped with the shear pin 2, and the one end of breaking pole 1 extends to in the air cock upper joint 5, conveniently carries out the packing element through breaking pole 1 and retrieves, the reuse of being convenient for.
In the invention, an upper sealing rubber cylinder 8 is fixed on a central pipe 6, two first sealing grooves are arranged on the central pipe 6, first O-shaped sealing rings 10 are respectively arranged in the two first sealing grooves, a connecting cylinder is arranged on the central pipe 6, a lower sealing rubber cylinder 11 is fixed on the connecting cylinder, the first O-shaped sealing rings 10 abut against the inner side of the connecting cylinder, a bearing cylinder 14 is sleeved on an inner cylinder 13 and the connecting cylinder together, two second sealing grooves are arranged on the side wall of the circumference of an air nozzle lower joint 21, a second O-shaped sealing ring 12 is arranged in the second sealing groove, the first O-shaped sealing rings 10, the second O-shaped sealing rings 12 and a third O-shaped sealing rings 20 are all made of nitrile rubber, the sealing effect is improved, one end of the second O-shaped sealing rings 12 abuts against the inner wall of the central pipe 6, and the device is conveniently sealed through the matching between the first O-shaped sealing rings 10 and the second, the sealing performance is improved.
According to the invention, a four-hole ring 17 is fixed in a bearing cylinder 14, an adjusting nut 18 is sleeved in an internal thread of the bearing cylinder 14, one end of a spring mandrel 15 penetrates through the four-hole ring 17 and the adjusting nut 18 and extends to one side of the adjusting nut 18, a fixing nut 19 is installed on the spring mandrel 15, one side of the fixing nut 19 abuts against one side of the adjusting nut 18, and the adjusting nut 18 is rotated, so that the compression degree of a sealing spring 16 can be conveniently adjusted, and the lifting is facilitated.
Example 2
Referring to fig. 1, 2, 3 and 4, a water drainage and gas production device based on supersonic jet atomization comprises an inner cylinder 13, wherein a spring mandrel 15 penetrates through the bottom of the inner cylinder 13, two through holes are formed in the spring mandrel 15, a sealing spring 16 is sleeved on the spring mandrel 15, one end of the sealing spring 16 is fixed at the bottom in the inner cylinder 13, the other end of the sealing spring 16 is fixed at one end of the spring mandrel 15, a bearing cylinder 14 is sleeved on the inner cylinder 13, an air tap lower joint 21 is arranged at one end of the spring mandrel 15, and through the matching between the sealing spring 16 and the spring mandrel 15, lifting is facilitated, so that the water drainage and gas production efficiency is improved;
one side of the lower joint 21 of the air tap is provided with a groove, the bottom in the groove is provided with a sealing rubber pad 23, one end of the sealing rubber pad 23 is fixed with an air tap body 22, the side wall of one circle of the air tap body 22 is provided with two third sealing grooves, a third O-shaped sealing ring 20 is arranged in the third sealing groove, one side of the third O-shaped sealing ring 20 is propped against the opposite side wall in the groove, one end of the air tap body 22 is provided with an upper joint 5 of the air tap, the high-pressure and low-speed air flow at the bottom passes through the upper joint 5 of the air tap, the air flow is compressed due to the, the critical state is reached at the air nozzle body 22, the air flow speed is raised to the local sound velocity, the air flow in the critical state flows through the air nozzle lower joint 21, the cross section of the air nozzle is reduced to expand the air flow, the air flow is accelerated to reach a supersonic speed state, the supersonic speed air flow is continuously accelerated at the air nozzle lower connector 21, and finally the air nozzle is sprayed out;
the cover is equipped with center tube 6 on the air cock upper joint 5, installs lock sleeve 9 on the center tube 6, is equipped with in the center tube 6 and breaks pole 1, runs through jointly on breaking pole 1 and the center tube 6 and is equipped with the shear pin 2, and the one end of breaking pole 1 extends to in the air cock upper joint 5, conveniently carries out the packing element through breaking pole 1 and retrieves, the reuse of being convenient for.
In the invention, an upper sealing rubber cylinder 8 is fixed on a central pipe 6, two first sealing grooves are arranged on the central pipe 6, first O-shaped sealing rings 10 are respectively arranged in the two first sealing grooves, a connecting cylinder is arranged on the central pipe 6, a lower sealing rubber cylinder 11 is fixed on the connecting cylinder, the first O-shaped sealing rings 10 abut against the inner side of the connecting cylinder, a bearing cylinder 14 is sleeved on an inner cylinder 13 and the connecting cylinder together, two second sealing grooves are arranged on the side wall of the circumference of an air nozzle lower joint 21, a second O-shaped sealing ring 12 is arranged in the second sealing groove, the first O-shaped sealing rings 10, the second O-shaped sealing rings 12 and a third O-shaped sealing rings 20 are all made of nitrile rubber, the sealing effect is improved, one end of the second O-shaped sealing rings 12 abuts against the inner wall of the central pipe 6, and the device is conveniently sealed through the matching between the first O-shaped sealing rings 10 and the second, the sealing performance is improved.
According to the invention, a four-hole ring 17 is fixed in a bearing cylinder 14, an adjusting nut 18 is sleeved in an internal thread of the bearing cylinder 14, one end of a spring mandrel 15 penetrates through the four-hole ring 17 and the adjusting nut 18 and extends to one side of the adjusting nut 18, a fixing nut 19 is installed on the spring mandrel 15, one side of the fixing nut 19 abuts against one side of the adjusting nut 18, and the adjusting nut 18 is rotated, so that the compression degree of a sealing spring 16 can be conveniently adjusted, and the lifting is facilitated.
In the invention, the central pipe 6 is provided with the slip seat 3, the slip seat 3 is provided with the slips 7, the central pipe 6 and the slips 7 are provided with the fixing rings 4 together, one side of the slips 7 is abutted against one side of the central pipe 6, and one side of the slips 7 is provided with a plurality of teeth at equal intervals, compared with the embodiment 1. The embodiment can effectively clamp the oil pipe, bear high pressure and avoid the blockage of the throttleer due to uneven stress of the tooth blocks, non-centered position of the tooth blocks and the like;
example 3
Referring to fig. 1, 2, 3 and 4, a water drainage and gas production device based on supersonic jet atomization comprises an inner cylinder 13, wherein a spring mandrel 15 penetrates through the bottom of the inner cylinder 13, two through holes are formed in the spring mandrel 15, a sealing spring 16 is sleeved on the spring mandrel 15, one end of the sealing spring 16 is fixed at the bottom in the inner cylinder 13, the other end of the sealing spring 16 is fixed at one end of the spring mandrel 15, a bearing cylinder 14 is sleeved on the inner cylinder 13, an air tap lower joint 21 is arranged at one end of the spring mandrel 15, and through the matching between the sealing spring 16 and the spring mandrel 15, lifting is facilitated, so that the water drainage and gas production efficiency is improved;
one side of the lower joint 21 of the air tap is provided with a groove, the bottom in the groove is provided with a sealing rubber pad 23, one end of the sealing rubber pad 23 is fixed with an air tap body 22, the side wall of one circle of the air tap body 22 is provided with two third sealing grooves, a third O-shaped sealing ring 20 is arranged in the third sealing groove, one side of the third O-shaped sealing ring 20 is propped against the opposite side wall in the groove, one end of the air tap body 22 is provided with an upper joint 5 of the air tap, the high-pressure and low-speed air flow at the bottom passes through the upper joint 5 of the air tap, the air flow is compressed due to the, the critical state is reached at the air nozzle body 22, the air flow speed is raised to the local sound velocity, the air flow in the critical state flows through the air nozzle lower joint 21, the cross section of the air nozzle is reduced to expand the air flow, the air flow is accelerated to reach a supersonic speed state, the supersonic speed air flow is continuously accelerated at the air nozzle lower connector 21, and finally the air nozzle is sprayed out;
the cover is equipped with center tube 6 on the air cock upper joint 5, installs lock sleeve 9 on the center tube 6, is equipped with in the center tube 6 and breaks pole 1, runs through jointly on breaking pole 1 and the center tube 6 and is equipped with the shear pin 2, and the one end of breaking pole 1 extends to in the air cock upper joint 5, conveniently carries out the packing element through breaking pole 1 and retrieves, the reuse of being convenient for.
In the invention, an upper sealing rubber cylinder 8 is fixed on a central pipe 6, two first sealing grooves are arranged on the central pipe 6, first O-shaped sealing rings 10 are respectively arranged in the two first sealing grooves, a connecting cylinder is arranged on the central pipe 6, a lower sealing rubber cylinder 11 is fixed on the connecting cylinder, the first O-shaped sealing rings 10 abut against the inner side of the connecting cylinder, a bearing cylinder 14 is sleeved on an inner cylinder 13 and the connecting cylinder together, two second sealing grooves are arranged on the side wall of the circumference of an air nozzle lower joint 21, a second O-shaped sealing ring 12 is arranged in the second sealing groove, the first O-shaped sealing rings 10, the second O-shaped sealing rings 12 and a third O-shaped sealing rings 20 are all made of nitrile rubber, the sealing effect is improved, one end of the second O-shaped sealing rings 12 abuts against the inner wall of the central pipe 6, and the device is conveniently sealed through the matching between the first O-shaped sealing rings 10 and the second, the sealing performance is improved.
According to the invention, a four-hole ring 17 is fixed in a bearing cylinder 14, an adjusting nut 18 is sleeved in an internal thread of the bearing cylinder 14, one end of a spring mandrel 15 penetrates through the four-hole ring 17 and the adjusting nut 18 and extends to one side of the adjusting nut 18, a fixing nut 19 is installed on the spring mandrel 15, one side of the fixing nut 19 abuts against one side of the adjusting nut 18, and the adjusting nut 18 is rotated, so that the compression degree of a sealing spring 16 can be conveniently adjusted, and the lifting is facilitated.
In the invention, the air tap body 22, the air tap upper connector 5 and the air tap lower connector 21 are all made of high-strength aluminum alloy, and the upper sealing rubber tube 8 and the lower sealing rubber tube 11 are all made of ethylene propylene diene monomer rubber, compared with the embodiment 1, the embodiment can avoid the problem that the rubber tube cannot be recovered due to the fact that the rubber tube is stuck to the wall of the oil pipe or the rubber tube is stuck to a support body at the next step of the restrictor, so that salvage accidents are prevented, and the problem that the air tap is damaged by sand carried by high-pressure gas can be avoided.
In the invention, when in use, the high-pressure low-speed airflow at the bottom of the well passes through the upper connector 5 of the air tap, the airflow is compressed due to the reduction of the cross section of the air tap, the airflow speed is continuously improved, the critical state is achieved at the position of the air tap body 22, the airflow speed is improved to the local sound velocity, the airflow in the critical state flows through the lower connector 21 of the air tap, the airflow is accelerated to the supersonic speed state due to the reduction of the cross section of the air tap, the supersonic speed airflow is continuously accelerated at the lower connector 21 of the air tap and finally ejects the air tap, the lower connector 21 of the air tap is horizontally tangent to the cylinder wall of the inner cylinder 13, the problem of insufficient lifting capacity caused by the reduction of the coefficient of recovery of the supersonic speed airflow after the shock is avoided, the particle size of liquid phase working medium is further reduced due to the carrying and shearing actions of the total pressure jet flow of gas-liquid, thereby realizing supersonic atomization, simultaneously, the airflow after passing through the air nozzle is in a supersonic flowing state, the high-speed airflow has high-strength lifting effect on the two mixtures of gas and liquid, the throttling drainage gas production device is arranged at the bottom of the well, the gas production working mode is started, because the pressure at the bottom of the well is high, the throttling drainage gas production device is operated passively, the gas-liquid two-phase mixture at the bottom of the well passes through the throttler to generate supersonic speed acceleration and atomization effects, the atomized gas-liquid two-phase mixture is lifted to the mouth of the well through the inner cylinder 13 pipeline to be discharged, thereby realizing the purpose of water drainage and gas production, when fishing the lower drift diameter, smashing the central rod of the throttleer by using the solid drift diameter, pushing the rubber cylinder supporting body at the lowest part to move downwards by the central rod, and at the moment, the slips 7, the upper sealing rubber cylinder 8 and the lower sealing rubber cylinder 11 are tightly attached to the wall of the oil pipe, and after the rubber cylinder supporting body moves downwards, the rubber cylinders are recovered, and finally the lower fishing cylinder is fished.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a drainage gas production device based on supersonic velocity jet atomization, includes inner tube (13), its characterized in that: the bottom of inner tube (13) runs through and is equipped with spring mandrel (15), the cover is equipped with sealing spring (16) on spring mandrel (15), the bottom in inner tube (13) is fixed to the one end of sealing spring (16), and the other end of sealing spring (16) fixes the one end at spring mandrel (15), the cover is equipped with bearing section of thick bamboo (14) on inner tube (13), the one end of spring mandrel (15) is equipped with air cock lower clutch (21), one side of air cock lower clutch (21) is equipped with the recess, bottom in the recess is equipped with sealed cushion (23), the one end of sealed cushion (23) is fixed with air cock body (22), be equipped with two third seal grooves on the a week lateral wall of air cock body (22), be equipped with third O shape sealing washer (20) in the third seal groove, the conflict of one side of third O shape sealing washer (20) is on the relative lateral wall in the recess, air cock upper joint (5) are installed to the one end of air cock body (22), the cover is equipped with center tube (6) on air cock upper joint (5), install lock sleeve (9) on center tube (6), be equipped with in center tube (6) and break rod (1), it is equipped with shear pin (2) to run through jointly on break rod (1) and center tube (6), the one end of break rod (1) extends to in air cock upper joint (5).
2. The water and gas drainage and production device based on supersonic jet atomization according to claim 1, it is characterized in that an upper sealing rubber cylinder (8) is fixed on the central tube (6), two first sealing grooves are arranged on the central pipe (6), first O-shaped sealing rings (10) are arranged in the two first sealing grooves, a connecting cylinder is arranged on the central tube (6), a lower sealing rubber cylinder (11) is fixed on the connecting cylinder, the first O-shaped sealing ring (10) is abutted against the inner side of the connecting cylinder, the inner cylinder (13) and the connecting cylinder are sleeved with a bearing cylinder (14) together, two second sealing grooves are arranged on the side wall of one circle of the air tap lower joint (21), a second O-shaped sealing ring (12) is arranged in each second sealing groove, one end of the second O-shaped sealing ring (12) is abutted against the inner wall of the central pipe (6).
3. The water and gas drainage and production device based on supersonic jet atomization is characterized in that a four-hole ring (17) is fixed in the bearing cylinder (14), an adjusting nut (18) is sleeved in the bearing cylinder (14) in a threaded manner, one end of the spring mandrel (15) penetrates through the four-hole ring (17) and the adjusting nut (18) and extends to one side of the adjusting nut (18), a fixing nut (19) is installed on the spring mandrel (15), and one side of the fixing nut (19) abuts against one side of the adjusting nut (18).
4. A water and gas drainage and production device based on supersonic jet atomization according to claim 1, wherein a slip seat (3) is installed on the central tube (6), slips (7) are installed on the slip seat (3), a fixing ring (4) is installed on the central tube (6) and the slips (7) together, and one side of the slips (7) is abutted against one side of the central tube (6).
5. The water and gas drainage and production device based on supersonic jet atomization is characterized in that the air nozzle body (22), the air nozzle upper connector (5) and the air nozzle lower connector (21) are made of high-strength aluminum alloy.
6. The water and gas drainage and production device based on supersonic jet atomization is characterized in that the upper sealing rubber cylinder (8) and the lower sealing rubber cylinder (11) are both made of ethylene propylene diene monomer.
7. A water and gas drainage and production device based on supersonic jet atomization according to claim 2, wherein the first O-ring (10), the second O-ring (12) and the third O-ring (20) are made of nitrile rubber.
8. A water and gas drainage and production device based on supersonic jet atomization according to claim 4, characterized in that one side of the slip (7) is provided with a plurality of teeth at equal intervals.
9. A water and gas drainage and production device based on supersonic jet atomization according to claim 1, wherein the spring mandrel (15) is provided with two through holes.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682010A (en) * | 2020-12-28 | 2021-04-20 | 中国石油集团渤海钻探工程有限公司 | Supersonic atomizing throttling device with self-excited oscillation mode |
| CN112832725A (en) * | 2021-03-22 | 2021-05-25 | 中国石油天然气集团有限公司 | Water drainage gas production device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3887008A (en) * | 1974-03-21 | 1975-06-03 | Charles L Canfield | Downhole gas compression technique |
| US20100101798A1 (en) * | 2008-10-23 | 2010-04-29 | Bp Corporation North America Inc. | Downhole systems and methods for deliquifaction of a wellbore |
| CN202832404U (en) * | 2012-08-23 | 2013-03-27 | 中国石油天然气股份有限公司 | Simply constructed ultrasonic atomization drainage gas recovery device under gas well |
| CN103233923A (en) * | 2013-04-18 | 2013-08-07 | 西安交通大学 | Injection device for discharging accumulated fluids in shaft |
| CN204041022U (en) * | 2014-08-04 | 2014-12-24 | 西安石油大学 | A kind of twofold whirl water pumping gas production downhole tool |
| CN104329057A (en) * | 2014-09-12 | 2015-02-04 | 西安交通大学 | Natural gas well supersonic nozzle atomization drainage gas recovery device and method |
| CN204252973U (en) * | 2014-11-12 | 2015-04-08 | 中国石油天然气股份有限公司 | A kind of split type underground throttle device |
| CN105642466A (en) * | 2016-01-12 | 2016-06-08 | 西安交通大学 | Spill type atomizer for atomization of accumulated liquid in natural gas well |
-
2020
- 2020-04-16 CN CN202010298047.6A patent/CN111502612A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3887008A (en) * | 1974-03-21 | 1975-06-03 | Charles L Canfield | Downhole gas compression technique |
| US20100101798A1 (en) * | 2008-10-23 | 2010-04-29 | Bp Corporation North America Inc. | Downhole systems and methods for deliquifaction of a wellbore |
| CN202832404U (en) * | 2012-08-23 | 2013-03-27 | 中国石油天然气股份有限公司 | Simply constructed ultrasonic atomization drainage gas recovery device under gas well |
| CN103233923A (en) * | 2013-04-18 | 2013-08-07 | 西安交通大学 | Injection device for discharging accumulated fluids in shaft |
| CN204041022U (en) * | 2014-08-04 | 2014-12-24 | 西安石油大学 | A kind of twofold whirl water pumping gas production downhole tool |
| CN104329057A (en) * | 2014-09-12 | 2015-02-04 | 西安交通大学 | Natural gas well supersonic nozzle atomization drainage gas recovery device and method |
| CN204252973U (en) * | 2014-11-12 | 2015-04-08 | 中国石油天然气股份有限公司 | A kind of split type underground throttle device |
| CN105642466A (en) * | 2016-01-12 | 2016-06-08 | 西安交通大学 | Spill type atomizer for atomization of accumulated liquid in natural gas well |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682010A (en) * | 2020-12-28 | 2021-04-20 | 中国石油集团渤海钻探工程有限公司 | Supersonic atomizing throttling device with self-excited oscillation mode |
| CN112832725A (en) * | 2021-03-22 | 2021-05-25 | 中国石油天然气集团有限公司 | Water drainage gas production device |
| CN112832725B (en) * | 2021-03-22 | 2022-11-15 | 中国石油天然气集团有限公司 | Water drainage gas production device |
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