CN211115927U - Uninterrupted plunger water drainage and gas production device - Google Patents
Uninterrupted plunger water drainage and gas production device Download PDFInfo
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- CN211115927U CN211115927U CN201921756396.7U CN201921756396U CN211115927U CN 211115927 U CN211115927 U CN 211115927U CN 201921756396 U CN201921756396 U CN 201921756396U CN 211115927 U CN211115927 U CN 211115927U
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Abstract
The utility model relates to a gas production instrument technical field is an incessant plunger drainage gas production device, and it includes gas well, gas production tree, gas-supply line, lubricator, plunger body, ball sealer and adapter, is equipped with the gas production tree on the gas well, and gas production tree top is equipped with puts the spray tube, and the lubricator includes hood, lower body, neck bush, well core rod, buffering packing element and pipeline joint, goes up the hood and is the decurrent cylindric of opening, goes up hood lower extreme inboard and lower body upper end outside fixed mounting together. The utility model has the advantages of reasonable and compact structure, convenient to use makes plunger body and ball sealer separation through well core rod, makes the ball sealer fall back in the well and realizes the shaft bottom with the accepting pipe cooperation and suppress pressure, and the pressure reduces back plunger body in the well and combines with the ball sealer again in the well, continues to promote ball sealer and plunger body and goes upward when treating that shaft bottom pressure is enough, so realizes incessant plunger drainage gas production operation repeatedly, has quick, reliable and efficient characteristics.
Description
Technical Field
The utility model relates to a gas production instrument technical field is an incessant plunger drainage gas production device.
Background
When the traditional plunger drainage gas production is operated, a valve on a gas production tree needs to be closed frequently, the required well closing time is long, and uninterrupted production cannot be realized. Therefore, the problems of short production time and low single-well yield are caused, so that the production efficiency of the gas well is influenced, and the efficient development of the gas field cannot be realized. On the other hand, current lubricator can't satisfy the change demand of plunger, cause the plunger to change the difficulty, need push the plunger top and put the spray tube after, close the valve on the gas production tree and make the plunger under the effect of self gravity, fall to the valve plate of gas production tree main valve door, then reuse fishing tool to salvage the plunger from the gas production tree in, because the plunger falls on the valve plate on the gas production tree many times, can influence the leakproofness of valve, thereby produce the potential safety hazard, and, need follow the gas production tree during the fishing plunger and accomplish the salvage, thereby can increase the depth of salvage, also can increase fishing tool's demand.
Disclosure of Invention
The utility model provides an uninterrupted plunger water drainage gas production device, which overcomes the defects of the prior art and can effectively solve the problems of short production time and low gas production efficiency caused by frequent well shut-in the existing plunger water drainage gas production; the problem that the existing plunger is not easy to take out of the lubricator can be further solved.
The technical scheme of the utility model is realized through following measure: an uninterrupted plunger drainage gas production device comprises a gas well, a gas production tree, a gas transmission pipeline, a lubricator, a plunger body, a sealing ball and a receiving pipe, wherein the gas production tree is arranged on the gas well, a blow-off pipe is arranged above the gas production tree, the lubricator comprises an upper top cap, a lower pipe body, an inner lining sleeve, a central rod, a buffer rubber cylinder and a pipeline joint, the upper top cap is in a cylinder shape with a downward opening, the inner side of the lower end of the upper top cap is fixedly arranged with the outer side of the upper end of the lower pipe body, the lower end of the lower pipe body is fixedly communicated with the upper end of the gas production tree, the inner lining sleeve with the upper end positioned in the upper top cap is sleeved on the inner side of the lower pipe body, a limiting outer ring table is arranged on the outer side of the upper end of the inner lining sleeve, the lower end of the inner lining sleeve is sleeved with the central rod positioned in the lower pipe body, the outer side of, at least one air transmission hole is formed in the outer side of the lower pipe body, pipeline joints are fixedly mounted on the outer side of the lower pipe body corresponding to the air transmission hole, and each pipeline joint is fixedly communicated with an air transmission pipeline; be equipped with the fixed oil pipe that communicates together of upper end and gas production tree lower extreme in the gas well, oil pipe lower extreme inboard is equipped with spacing ring platform, be equipped with the plunger body from top to bottom in the oil pipe that corresponds spacing ring bench top position in proper order, ball sealer and adapter, plunger body central authorities are equipped with the separation hole that link up from top to bottom, the interval distribution has two at least sealed annular grooves about the plunger body outside, plunger body lower extreme inboard is equipped with the adapter, the adapter inboard is equipped with the ball sealer, the ball sealer upper end is located the adapter top, the ball sealer lower part is located the plunger body below, plunger body below is equipped with the adapter, the adapter middle part is equipped with the fluid hole that link up from top to bottom, the ball sealer lower extreme is located the adapter upper end inboard, the adapter lower extreme is located spacing ring bench upper end, the diameter of ball.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the inner side of the inner bushing can comprise an upper straight hole, a middle straight hole, a taper hole and a lower straight hole which are sequentially communicated from top to bottom, the aperture of the upper straight hole is larger than that of the middle straight hole, the taper hole is in a truncated cone shape with a large upper part and a small lower part, the aperture of the middle straight hole is consistent with that of the upper end of the taper hole, and the aperture of the lower straight hole is consistent with that of the lower end of the taper hole; the central rod comprises an upper straight column, an upper conical section, a lower straight column and a lower conical section which are fixedly installed together from top to bottom in sequence, the upper straight column is positioned in the middle straight hole, the upper conical section is positioned in the conical hole and matched with the conical hole, the upper end of the lower straight column is positioned in the lower straight hole, and the lower conical section is in a circular truncated cone shape with a large upper part and a small lower part; the upper straight hole is internally provided with a buffer rubber cylinder, the lower end of the buffer rubber cylinder is seated at the upper end of the central rod, and the upper end of the buffer rubber cylinder is propped against the inner side of the upper end of the upper top cap.
The valve also comprises a valve seat, a valve shell, a catching ball, a valve rod, a valve handle, a spring and an O-shaped sealing ring, wherein the right side of a lower pipe body corresponding to the lower position of the neck bush is provided with an inner-outer through valve hole; at least one O-shaped sealing ring is arranged between the left end of the valve casing and the valve seat, at least one sealing ring groove is arranged on the outer side of the sealing ring table, and the O-shaped sealing ring is arranged in the sealing ring groove.
The section of the sealing ring groove can be in a straight trapezoid shape, and the upper part of the sealing ring groove is narrow and the lower part of the sealing ring groove is wide.
The inner side of the lower part of the bearing ring table can be provided with a spherical groove, and the outer side of the upper part of the sealing ball is matched with the inner side of the spherical groove.
The inner side of the lower end of the upper top cap and the outer side of the upper end of the lower pipe body can be fixedly installed together through threaded connection, and the inner side of the right end of the valve seat and the outer side of the left end of the valve shell are fixedly installed together through threaded connection.
The plunger piston further comprises a fishing neck, and the fishing neck is arranged at the upper end of the plunger piston body.
The pore size of the separation pore may be larger than the pore size of the fluid pore.
The utility model has reasonable and compact structure and convenient use, separates the plunger body from the sealing ball through the central rod, enables the sealing ball to fall back into the well to be matched with the adapting pipe to realize the well bottom pressure building, after the pressure in the well is reduced, the plunger body falls back into the well to be recombined with the sealing ball, when the well bottom pressure is enough, the sealing ball and the plunger body are continuously pushed to go upward, thus repeatedly realizing the uninterrupted plunger water drainage and gas production operation; the left side of the catching ball is jacked into the lower pipe body after the valve rod moves leftwards, so that the left side of the catching ball tightly jacks the right side of a plunger in the lower pipe body, and the plunger is prevented from falling back into the well; make the plunger stop in the low tube body through catching the ball, not only can avoid the plunger to fall on the valve plate on the gas production tree, can also avoid salvaging the plunger from the gas production tree in to reduce and salvage the degree of depth, have quick, reliable and efficient characteristics.
Drawings
Fig. 1 is a schematic sectional view of the preferred embodiment of the present invention.
FIG. 2 is a schematic enlarged sectional view of the lubricator shown in FIG. 1.
Fig. 3 is a partially enlarged schematic view of a portion a of fig. 1.
The codes in the figures are respectively: the gas well device comprises an upper top cap 1, a lower pipe body 2, a central rod 3, a catching ball 4, a valve seat 5, a valve shell 6, an inner bushing 7, a valve rod 8, a valve handle 9, a spring 10, a buffering rubber sleeve 11, a pipeline joint 12, an O-shaped sealing ring 13, a plunger body 14, a sealing ball 15, a bearing pipe 16, a gas production tree 17, a gas transmission pipeline 18, a separation hole 19, a sealing ring groove 20, a fluid hole 21, a bearing ring platform 22, a fishing neck 23, a gas well 24, an oil pipe 25 and a limiting ring platform 26.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in attached figures 1, 2 and 3, the uninterrupted plunger drainage gas production device comprises a gas well 24, a gas production tree 17, a gas transmission pipeline 18, a blowout prevention pipe, a plunger body 14, a sealing ball 15 and a receiving pipe 16, wherein the gas production tree 17 is arranged on the gas well 24, a blowout prevention pipe is arranged above the gas production tree 17, the blowout prevention pipe comprises an upper top cap 1, a lower pipe body 2, an inner bushing 7, a central rod 3, a buffer rubber barrel 11 and a pipeline joint 12, the upper top cap 1 is in a cylindrical shape with a downward opening, the inner side of the lower end of the upper top cap 1 is fixedly installed with the outer side of the upper end of the lower pipe body 2, the lower end of the lower pipe body 2 is fixedly communicated with the upper end of the gas production tree 17, the inner bushing 7 with the upper end positioned in the upper top cap 1 is sleeved on the inner side of the lower pipe body 2, a limiting outer ring platform is arranged on the outer side of the upper end of the inner bushing 7, the outer side of the upper part of the central rod 3 and the inner side of the middle part of the inner bushing 7 are installed together in a limiting way, a buffer rubber tube 11 is arranged between the upper end of the central rod 3 and the inner side of the upper end of the upper top cap 1, the outer side of the lower pipe body 2 is provided with at least one air delivery hole, the outer side of the lower pipe body 2 corresponding to the position of the air delivery hole is fixedly provided with a pipeline joint 12, and each pipeline joint 12 is fixedly communicated with an air delivery pipeline; an oil pipe 25 with the upper end fixedly communicated with the lower end of a gas production tree 17 is arranged in a gas well 24, a limit ring table 26 is arranged on the inner side of the lower end of the oil pipe 25, a plunger body 14, a sealing ball 15 and a bearing pipe 16 are sequentially arranged in the oil pipe 25 corresponding to the position above the limit ring table 26 from top to bottom, a separation hole 19 which is communicated from top to bottom is arranged in the center of the plunger body 14, at least two sealing ring grooves 20 are distributed on the outer side of the plunger body 14 at intervals from top to bottom, a bearing ring table 22 is arranged on the inner side of the lower end of the plunger body 14, the sealing ball 15 is arranged on the inner side of the bearing ring table 22, the upper end of the sealing ball 15 is arranged above the bearing ring table 22, the lower part of the sealing ball 15 is arranged below the plunger body 14, the bearing pipe 16 is arranged below the plunger body 14, a fluid hole 21 which is communicated from top to bottom is arranged in the middle, the diameter of the sealing ball 15 is larger than the diameter of the fluid hole 21.
In the using process, the bearing pipe 16, the sealing ball 15 and the plunger body 14 are sequentially put into an oil pipe 25 in a gas well 24, the lower end of the bearing pipe 16 is seated at the upper end of a limit ring table 26, the lower part of the sealing ball 15 is positioned at the inner side of the upper part of the bearing pipe 16, and the upper part of the sealing ball 15 is clamped into a bearing ring table 22; then, a well head of a gas well 24 and a gas production tree 17 which is known in the prior art are fixedly arranged together, the lower end of the lower pipe body 2 is fixedly communicated with the upper end of the gas production tree 17, and the pipeline joint 12 is fixedly communicated with the gas pipeline 18. When the production of the gas well 24 is started, gas at the bottom of the gas well 24 moves upwards, the sealing ball 15 and the plunger body 14 clamped in the bearing ring table 22 are pushed into the lower pipe body 2, the lower end of the central rod 3 penetrates through the separation hole 19 to be in contact with the sealing ball 15, the sealing ball 15 is separated from the plunger body 14 under the action of the central rod 3, the sealing ball 15 falls back to the bottom of the well under the self gravity, and the plunger body 14 still keeps a gas lift state under the action of wellhead pressure; after the gas well 24 is produced for a period of time, the gas pressure in the well is gradually reduced, and the sealing ball 15 blocks the upper end of the bearing pipe 16, so that the gas flow at the bottom of the well is blocked from rising, the plunger body 14 falls back to the bottom of the well under the action of the gravity of the plunger body, and the upper end of the sealing ball 15 is clamped in the bearing ring platform 22 again; the sealing ball 15 is continuously seated on the upper end of the bearing pipe 16, so that after the bottom of the gas well 24 is continuously suppressed for a period of time, when the pressure of the underground gas is sufficiently high, the underground gas pushes the sealing ball 15 and the plunger body 14 clamped in the bearing ring table 22 to move upwards into the lower pipe body 2 again; in addition, a plurality of sealing ring grooves 20 are formed in the outer side of the plunger body 14, so that liquid in the well can be carried to a well head in the ascending process of the plunger body 14, and drainage is realized; so relapse to realize incessant plunger drainage gas production operation, avoid using traditional plunger and lubricator to carry out plunger drainage gas production from this, need through the valve on the frequent switch gas production tree 17, cause the problem that shut-in time is long, and production time is short, single well output low grade problem, thereby influence 24 production efficiency of gas well, and be unfavorable for the high-efficient development of gas field. In addition, by providing the fluid holes 21, the bottom hole gas is prevented from jacking up the socket 16.
The uninterrupted plunger drainage gas production device can be further optimized or/and improved according to actual needs:
as shown in the attached drawings 1 and 2, the inner side of the inner bushing 7 comprises an upper straight hole, a middle straight hole, a taper hole and a lower straight hole which are sequentially communicated from top to bottom, the aperture of the upper straight hole is larger than that of the middle straight hole, the taper hole is in a truncated cone shape with a large upper part and a small lower part, the aperture of the middle straight hole is consistent with that of the upper end of the taper hole, and the aperture of the lower straight hole is consistent with that of the lower end of the taper hole; the central rod 3 comprises an upper straight column, an upper conical section, a lower straight column and a lower conical section which are fixedly installed together from top to bottom in sequence, the upper straight column is positioned in the middle straight hole, the upper conical section is positioned in the conical hole and matched with the conical hole, the upper end of the lower straight column is positioned in the lower straight hole, and the lower conical section is in a circular truncated cone shape with a large upper part and a small lower part; the upper straight hole is internally provided with a buffer rubber cylinder 11, the lower end of the buffer rubber cylinder 11 is seated on the upper end of the central rod 3, and the upper end of the buffer rubber cylinder 11 is propped against the inner side of the upper end of the upper top cap 1. In the use process, the inner bushing 7 and the central rod 3 can be installed together in a limiting way through the arrangement; in addition, the buffer rubber tube 11 has a better buffer effect on the plunger body 14, and the buffer rubber tube 11 is prevented from deflecting in the upper top cap 1.
As shown in the attached figures 1 and 2, the valve seat 5, a valve casing 6, a catching ball 4, a valve rod 8, a valve handle 9, a spring 10 and an O-shaped sealing ring 13 are further included, the right side of the lower pipe body 2 corresponding to the lower position of the inner bushing 7 is provided with an inner-outer through valve hole, the outer side of the lower pipe body 2 corresponding to the position of the valve hole is fixedly provided with the valve seat 5, the catching ball 4 is arranged in the valve seat 5, the diameter of the catching ball 4 is larger than the aperture of the valve hole, the right end of the valve casing 5 is fixedly provided with the valve casing 6, the right center of the valve casing 6 is provided with a mounting hole which is a threaded hole, the outer side of the valve rod 8 is provided with an external thread matched with the mounting hole, the valve rod 8 is fixedly arranged in the mounting hole through threaded connection, the left end of the valve rod 8 is positioned in the valve casing 6, the spring 10 is, the outer diameter of the sealing ring platform is the same as the inner diameter of the valve shell 6; at least one O-shaped sealing ring 13 is arranged between the left end of the valve casing 6 and the valve seat 5, at least one sealing ring groove 20 is arranged outside the sealing ring table, and the O-shaped sealing ring 13 is arranged in the sealing ring groove 20. In the using process, the catching ball 4 is positioned in the valve seat 5, the plunger gas lift drainage gas production is not influenced, when the plunger body 14 needs to be replaced or taken out, the plunger body 14 is firstly pushed into the lower pipe body 2 through underground gas, the valve rod 8 is moved leftwards through the rotary valve handle 9, so that the left side of the catching ball 4 is positioned in the lower pipe body 2, namely the plunger body 14 is tightly pushed against the left side of the catching ball 4, the plunger body 14 is limited, at the moment, even if the pressure in the well is reduced, the plunger body 14 cannot fall back into the well due to the gravity of the plunger body 14, a worker can disassemble the upper top cap 1 and the buffer rubber barrel 11, and the plunger body 14 is fished out through the fishing device, so that the plunger body 14 is replaced or taken out; the plunger body 14 is stopped in the lower pipe body 2 through the catching ball 4, so that the plunger body 14 can be prevented from falling on a valve plate of a valve on the gas production tree 17, the plunger body 14 can be prevented from being salvaged from the gas production tree 17, and the salvage depth is reduced; through setting up O shape sealing washer 13, guarantee the utility model discloses inside leakproofness.
As shown in fig. 1 and 3, the section of the seal ring groove 20 is a straight trapezoid with a narrow top and a wide bottom. In the use, through such setting, make the plunger body 14 outside form labyrinth seal, increase from this the utility model discloses a take the liquid rate.
As shown in fig. 1 and 3, the lower inner side of the receiving ring table 22 is provided with a spherical groove, and the upper outer side of the sealing ball 15 is matched with the inner side of the spherical groove. In the use, through such setting, make between ball sealer 15 and spherical groove shape be spherical seal, strengthen the utility model discloses a leakproofness can also be convenient for ball sealer 15 card go into spherical groove in.
As shown in fig. 1 and 2, the inner side of the lower end of the upper top cap 1 and the outer side of the upper end of the lower pipe 2 are fixedly mounted together by screw connection, and the inner side of the right end of the valve seat 5 and the outer side of the left end of the valve housing 6 are fixedly mounted together by screw connection. In the use, through threaded connection's fixed mounting mode, convenient to detach and installation.
As shown in fig. 1 and 3, the plunger piston further comprises a fishing neck 23, and the fishing neck 23 is arranged at the upper end of the plunger piston body 14. In the use, be convenient for salvage through such setting the utility model discloses.
As shown in fig. 1 and 3, the diameter of the separation hole 19 is larger than that of the fluid hole 21. In use, the socket tube 16 can receive the falling sealing ball 15 by such arrangement, and the sealing ball 15 can be prevented from being caught in the socket tube 16 and being unable to be caught in the spherical groove after the plunger body 14 falls.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (10)
1. An uninterrupted plunger drainage gas production device is characterized by comprising a gas well, a gas production tree, a gas transmission pipeline, a blowout prevention pipe, a plunger body, a sealing ball and a receiving pipe, wherein the gas production tree is arranged on the gas well, a blow-off pipe is arranged above the gas production tree, the blowout prevention pipe comprises an upper top cap, a lower pipe body, an inner lining sleeve, a central rod, a buffer rubber cylinder and a pipeline joint, the upper top cap is in a cylindrical shape with a downward opening, the inner side of the lower end of the upper top cap is fixedly arranged with the outer side of the upper end of the lower pipe body, the lower end of the lower pipe body is fixedly communicated with the upper end of the gas production tree, the inner lining sleeve with the upper end of the upper top cap at the upper end is sleeved on the inner side of the lower pipe body, a limit outer ring table is arranged on the outer side of the upper end of the inner lining sleeve, the lower part of the inner lining sleeve is sleeved with the central rod in the lower pipe body, the, at least one air transmission hole is formed in the outer side of the lower pipe body, pipeline joints are fixedly mounted on the outer side of the lower pipe body corresponding to the air transmission hole, and each pipeline joint is fixedly communicated with an air transmission pipeline; be equipped with the fixed oil pipe that communicates together of upper end and gas production tree lower extreme in the gas well, oil pipe lower extreme inboard is equipped with spacing ring platform, be equipped with the plunger body from top to bottom in the oil pipe that corresponds spacing ring bench top position in proper order, ball sealer and adapter, plunger body central authorities are equipped with the separation hole that link up from top to bottom, the interval distribution has two at least sealed annular grooves about the plunger body outside, plunger body lower extreme inboard is equipped with the adapter, the adapter inboard is equipped with the ball sealer, the ball sealer upper end is located the adapter top, the ball sealer lower part is located the plunger body below, plunger body below is equipped with the adapter, the adapter middle part is equipped with the fluid hole that link up from top to bottom, the ball sealer lower extreme is located the adapter upper end inboard, the adapter lower extreme is located spacing ring bench upper end, the diameter of ball.
2. The uninterrupted plunger drainage gas production device according to claim 1, wherein the inner side of the inner bushing comprises an upper straight hole, a middle straight hole, a taper hole and a lower straight hole which are sequentially communicated together from top to bottom, the diameter of the upper straight hole is larger than that of the middle straight hole, the taper hole is in a truncated cone shape with a large upper part and a small lower part, the diameter of the middle straight hole is consistent with that of the upper end of the taper hole, and the diameter of the lower straight hole is consistent with that of the lower end of the taper hole; the central rod comprises an upper straight column, an upper conical section, a lower straight column and a lower conical section which are fixedly installed together from top to bottom in sequence, the upper straight column is positioned in the middle straight hole, the upper conical section is positioned in the conical hole and matched with the conical hole, the upper end of the lower straight column is positioned in the lower straight hole, and the lower conical section is in a circular truncated cone shape with a large upper part and a small lower part; the upper straight hole is internally provided with a buffer rubber cylinder, the lower end of the buffer rubber cylinder is seated at the upper end of the central rod, and the upper end of the buffer rubber cylinder is propped against the inner side of the upper end of the upper top cap.
3. The uninterrupted plunger drainage gas production device according to claim 1 or 2, further comprising a valve seat, a valve housing, a catching ball, a valve rod, a valve handle, a spring and an O-shaped sealing ring, wherein the right side of the lower tube body corresponding to the lower position of the inner bushing is provided with an inner-outer through valve hole, the outer side of the lower tube body corresponding to the position of the valve hole is fixedly provided with the valve seat, the valve seat is internally provided with the catching ball, the diameter of the catching ball is larger than the aperture of the valve hole, the right end of the valve seat is fixedly provided with the valve housing, the right center of the right side of the valve housing is provided with a mounting hole which is a threaded hole, the outer side of the valve rod is provided with an external thread matched with the mounting hole, the valve rod is fixedly arranged in the mounting hole through threaded connection, the left end of the valve rod is positioned in the valve housing, the outer diameter of the sealing ring platform is the same as the inner diameter of the valve shell; at least one O-shaped sealing ring is arranged between the left end of the valve casing and the valve seat, at least one sealing ring groove is arranged on the outer side of the sealing ring table, and the O-shaped sealing ring is arranged in the sealing ring groove.
4. The uninterrupted plunger water drainage and gas production device according to claim 1 or 2, wherein the cross section of the seal ring groove is straight trapezoidal and is narrow at the top and wide at the bottom.
5. The uninterrupted plunger water drainage and gas production device as claimed in claim 3, wherein the cross section of the seal ring groove is straight trapezoid, and the upper part is narrow and the lower part is wide.
6. The uninterrupted plunger water drainage and gas production device according to claim 1, 2 or 5, wherein the lower inner side of the receiving ring platform is provided with a spherical groove, and the outer side of the upper part of the sealing ball is matched with the inner side of the spherical groove.
7. The uninterrupted plunger drainage gas production device of claim 3, wherein the lower inner side of the receiving ring platform is provided with a spherical groove, and the outer side of the upper part of the sealing ball is matched with the inner side of the spherical groove.
8. The uninterrupted plunger drainage gas production device of claim 4, wherein the lower inner side of the receiving ring platform is provided with a spherical groove, and the outer side of the upper part of the sealing ball is matched with the inner side of the spherical groove.
9. The uninterrupted plunger drainage gas production device of claim 1 or 2 or 5 or 7 or 8, wherein the inner side of the lower end of the upper top cap and the outer side of the upper end of the lower pipe body are fixedly installed together through threaded connection, and the inner side of the right end of the valve seat and the outer side of the left end of the valve shell are fixedly installed together through threaded connection; or/and the plunger piston further comprises a fishing neck, and the upper end of the plunger piston body is provided with the fishing neck; or/and the pore size of the separation pores is larger than the pore size of the fluid pores.
10. The uninterrupted plunger drainage gas production device of claim 6, wherein the inner side of the lower end of the upper top cap and the outer side of the upper end of the lower pipe body are fixedly installed together through threaded connection, and the inner side of the right end of the valve seat and the outer side of the left end of the valve casing are fixedly installed together through threaded connection; or/and the plunger piston further comprises a fishing neck, and the upper end of the plunger piston body is provided with the fishing neck; or/and the pore size of the separation pores is larger than the pore size of the fluid pores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921756396.7U CN211115927U (en) | 2019-10-18 | 2019-10-18 | Uninterrupted plunger water drainage and gas production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921756396.7U CN211115927U (en) | 2019-10-18 | 2019-10-18 | Uninterrupted plunger water drainage and gas production device |
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| Publication Number | Publication Date |
|---|---|
| CN211115927U true CN211115927U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921756396.7U Active CN211115927U (en) | 2019-10-18 | 2019-10-18 | Uninterrupted plunger water drainage and gas production device |
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| CN (1) | CN211115927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267851A (en) * | 2020-10-25 | 2021-01-26 | 中国石油集团渤海钻探工程有限公司 | Composite drainage gas production pipe column for draining accumulated liquid in 'lying well' well and method thereof |
-
2019
- 2019-10-18 CN CN201921756396.7U patent/CN211115927U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112267851A (en) * | 2020-10-25 | 2021-01-26 | 中国石油集团渤海钻探工程有限公司 | Composite drainage gas production pipe column for draining accumulated liquid in 'lying well' well and method thereof |
| CN112267851B (en) * | 2020-10-25 | 2022-05-24 | 中国石油集团渤海钻探工程有限公司 | Composite drainage gas production pipe column for draining accumulated liquid in 'lying well' well and method thereof |
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