CN210768688U - Blowout-preventing pipe for plunger gas lift drainage gas production - Google Patents
Blowout-preventing pipe for plunger gas lift drainage gas production Download PDFInfo
- Publication number
- CN210768688U CN210768688U CN201921755662.4U CN201921755662U CN210768688U CN 210768688 U CN210768688 U CN 210768688U CN 201921755662 U CN201921755662 U CN 201921755662U CN 210768688 U CN210768688 U CN 210768688U
- Authority
- CN
- China
- Prior art keywords
- pipe body
- valve
- outer side
- plunger
- gas production
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Valve Housings (AREA)
Abstract
The utility model relates to the technical field of gas production tools, in particular to a plunger gas lift drainage gas production lubricator, which comprises an upper pipe body, a lower pipe body, a plugging cap, a catching ball, a valve seat, a valve shell and a pipeline joint, wherein the lower end of the upper pipe body is fixedly installed with the upper end of the lower pipe body, the plugging cap is fixedly installed outside the upper end of the upper pipe body, and the inner side of the upper part of the upper pipe body is provided with a buffer component; the lower casing right side is equipped with a valve opening that link up inside and outside, and the outer fixed mounting of lower casing that corresponds the valve opening position has the disk seat, is equipped with the seizure ball in the disk seat, and the diameter of catching the ball is greater than the aperture of valve opening, and disk seat right-hand member fixed mounting has the valve casing, and valve casing right side center is equipped with the mounting hole. The utility model has the advantages of reasonable and compact structure, convenient to use makes the plunger stop at low intraductal 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 convenient characteristics.
Description
Technical Field
The utility model relates to a gas production instrument technical field is a plunger gas lift drainage is lubricator for gas production.
Background
In the production and operation of plunger gas lift drainage and gas production, the blowout prevention pipe at the wellhead plays a role in buffering when the plunger reaches the wellhead, so that the sealing property of a gas well is ensured. However, the current lubricator can't satisfy the change demand of plunger, causes 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 on the gas production tree on, then use fishing tool to salvage out the plunger from the gas production tree in. The plunger falls on a valve plate of a valve on a gas production tree for many times, so that the sealing performance of the valve is influenced, and potential safety hazards are generated; in addition, because the plunger falls in the gas production tree to increase the depth of salvage, the demand for fishing tools also can increase.
Disclosure of Invention
The utility model provides a plunger gas lift drainage is lubricator for gas production has overcome above-mentioned prior art not enough, and it can effectively solve collision gas production tree valve plate when current plunger is changed to and the too big problem of degree of depth when salvaging the plunger.
The technical scheme of the utility model is realized through following measure: a plunger gas lift drainage gas production lubricator comprises an upper pipe body, a lower pipe body, a plugging cap, a capturing ball, a valve seat, a valve shell and a pipeline joint, wherein the lower end of the upper pipe body is fixedly installed with the upper end of the lower pipe body, the plugging cap is fixedly installed on the outer side of the upper end of the upper pipe body, and a buffer assembly is arranged on the inner side of the upper part of the upper pipe body; the valve rod assembly is characterized in that the right side of the lower pipe body is provided with an inner-outer through valve hole, the outer side of the lower pipe body corresponding to the position of the valve hole is fixedly provided with a valve seat, a catching ball is arranged in the valve seat, 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 a valve casing, the center of the right side of the valve casing is provided with a mounting hole, and the mounting hole is internally provided with; at least one air transmission hole is arranged on the left side of the lower pipe body at an upper and lower interval, and a pipeline joint is fixedly arranged on the outer side of the lower pipe body corresponding to the position of the air transmission hole.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the valve rod assembly can comprise a valve rod, a valve handle and a spring, the mounting hole is a threaded hole, external threads matched with the mounting hole are arranged on the outer side of the valve rod, and the valve rod is fixedly mounted in the mounting hole through threaded connection; the left end of the valve rod is positioned in the valve shell, and a spring is arranged between the left end of the valve rod and the right side of the catching ball; the right end of the valve rod is positioned at the right side of the valve casing, and a valve handle is fixedly arranged at the right end of the valve rod; the outside of the left end of the valve rod is provided with a sealing ring platform, and the outer diameter of the sealing ring platform is the same as the inner diameter of the valve shell.
Above-mentioned buffering subassembly can be equipped with the limit ring platform including buffer seat and buffering packing element, upper tube body middle part inboard, and upper tube body upper portion inboard is equipped with the buffer seat, and the buffer seat lower extreme seat is equipped with the buffering packing element in the upper tube body inboard of position between corresponding buffer seat and the blanking cap on the limit ring bench.
The pipeline joint further comprises a side connecting flange and a lower connecting flange, the inner side of the left end of the pipeline joint is fixedly provided with the side connecting flange, and the outer side of the lower end of the lower pipe body is fixedly provided with the lower connecting flange.
The pressure relief connector can be further included, a pressure relief hole is formed in the outer side of the lower tube body, and the pressure relief connector is fixedly mounted on the outer side of the lower tube body corresponding to the position of the pressure relief hole.
The device also comprises an O-shaped sealing ring, and at least one O-shaped sealing ring is arranged between the inner side of the lower part of the plug and the outer side of the upper tube body; at least one O-shaped sealing ring is arranged between the inner side of the upper pipe body and the outer side of the lower pipe body; at least one O-shaped sealing ring is arranged between the left end of the valve shell and the valve seat; at least one sealing ring groove is arranged on the outer side of the sealing ring table, and an O-shaped sealing ring is arranged in the sealing ring groove.
The inner side of the lower end of the plugging cap can be fixedly installed with the outer side of the upper end of the upper pipe body through threaded connection; the inner side of the lower end of the upper pipe body and the outer side of the upper end of the lower pipe body can be fixedly installed together through threaded connection; the inner side of the right end of the valve seat can be fixedly installed with the outer side of the left end of the valve shell through threaded connection; the inner side of the left end of the pipeline joint and the outer side of the right end of the side connecting flange can be fixedly installed together through threaded connection; the outer side of the lower end of the lower pipe body can be fixedly installed with the inner side of the upper end of the lower connecting flange through threads.
The utility model has reasonable and compact structure and convenient use, and the left side of the catching ball is pushed into the lower pipe body after the valve rod moves leftwards, so that the left side of the catching ball tightly pushes the right side of the 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 convenient characteristics.
Drawings
Fig. 1 is a schematic sectional view of the preferred embodiment of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a of fig. 1.
The codes in the figures are respectively: the device comprises an upper pipe body 1, a lower pipe body 2, a plugging cap 3, a capturing ball 4, a valve seat 5, a valve shell 6, a pipeline joint 7, a valve rod 8, a valve handle 9, a spring 10, a buffer seat 11, a buffer rubber cylinder 12, a limiting ring table 13, a side connecting flange 14, a lower connecting flange 15, a pressure relief joint 16, an O-shaped sealing ring 17 and a sealing ring table 18.
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 the attached drawings 1 and 2, the blowout preventer for plunger gas lift drainage and gas production comprises an upper pipe body 1, a lower pipe body 2, a plugging cap 3, a catching ball 4, a valve seat 5, a valve shell 6 and a pipeline joint 7, wherein the lower end of the upper pipe body 1 and the upper end of the lower pipe body 2 are fixedly installed together, the plugging cap 3 is fixedly installed on the outer side of the upper end of the upper pipe body 1, and a buffer assembly is arranged on the inner side of the upper part of the upper pipe body 1; the right side of the lower pipe body 2 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 a valve seat 5, a 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 seat 5 is fixedly provided with a valve casing 6, the center of the right side of the valve casing 6 is provided with a mounting hole, and a valve rod 8 assembly which can move leftwards to enable the left side of the catching; at least one air transmission hole is arranged on the left side of the lower pipe body 2 at an upper and lower interval, and a pipeline joint 7 is fixedly arranged on the outer side of the lower pipe body 2 corresponding to the position of the air transmission hole. In the use process, the lower end of the lower pipe body 2 is connected with a gas production tree, the pipeline joint 7 is connected with a gas transmission pipeline, and when the plunger gas lift drainage gas production is carried out, underground gas pushes the plunger into the utility model, so that the buffer component can protect the plunger; the catching ball 4 is positioned in the valve seat 5, the water drainage and gas production of the plunger is not influenced, when the plunger needs to be replaced or taken out, the plunger is firstly pushed into the lower pipe body 2 through underground gas, the left side of the catching ball 4 is positioned in the lower pipe body 2 by moving the valve rod 8 assembly leftwards, namely, the plunger is tightly pushed by the left side of the catching ball 4 to limit the plunger, after the underground gas is blocked, the plunger cannot fall back into the well due to self gravity, a worker can disassemble the plugging cap 3 and the buffer assembly, and the plunger is fished out through the fishing device, so that the plunger is replaced or taken out; make the plunger stop in body 2 down through catching 4 balls, 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 to reduce the salvage degree of depth.
The blowout preventer for water and gas drainage and gas production by plunger gas lift can be further optimized or/and improved according to actual needs:
as shown in fig. 1 and 2, the valve rod 8 assembly comprises a valve rod 8, a valve handle 9 and a spring 10, the mounting hole is a threaded hole, an external thread matched with the mounting hole is arranged on the outer side of the valve rod 8, and the valve rod 8 is fixedly mounted in the mounting hole through threaded connection; the left end of the valve rod 8 is positioned in the valve shell 6, and a spring 10 is arranged between the left end of the valve rod 8 and the right side of the catching ball 4; the right end of the valve rod 8 is positioned at the right side of the valve casing 6, and a valve handle 9 is fixedly arranged at the right end of the valve rod 8; the outside of the left end of the valve rod 8 is provided with a sealing ring platform 18, and the outer diameter of the sealing ring platform 18 is the same as the inner diameter of the valve shell 6. In the use, through such setting, not destroying the utility model discloses the plunger can be changed when the whole leakproofness is changed to needs, makes valve rod 8 move left can will catch 4 left sides tops of ball to body 2 down in, stays the plunger in body 2 down through catching 4 balls, prevents that the plunger from falling back in the well.
As shown in fig. 1 and 2, the buffer assembly includes a buffer seat 11 and a buffer rubber tube 12, a limit ring table 13 is arranged on the inner side of the middle portion of the upper tube body 1, the buffer seat 11 is arranged on the inner side of the upper portion of the upper tube body 1, the lower end of the buffer seat 11 is seated on the limit ring table 13, and the buffer rubber tube 12 is arranged on the inner side of the upper tube body 1 corresponding to the position between the buffer seat 11 and the plugging cap 3. In the use, through setting up buffer seat 11 and cushion packing element 12, push into gaseous top in the pit the utility model provides an in plunger cushion.
As shown in the attached drawings 1 and 2, the pipeline joint further comprises a side connecting flange 14 and a lower connecting flange 15, the side connecting flange 14 is fixedly installed on the inner side of the left end of the pipeline joint 7, and the lower connecting flange 15 is fixedly installed on the outer side of the lower end of the lower pipe body 2. In the use process, the pipeline joint 7 is fixedly communicated with the gas pipeline through flange connection by arranging the side connecting flange 14; through flange 15 under setting up, be convenient for down body 2 through flange joint with the fixed intercommunication of gas production tree together.
As shown in fig. 1 and 2, the pipe joint further comprises a pressure relief joint 16, a pressure relief hole is formed in the outer side of the lower pipe body 2, and the pressure relief joint 16 is fixedly mounted on the outer side of the lower pipe body 2 corresponding to the position of the pressure relief hole. A cock valve, which is well known in the art, may be provided on the pressure relief fitting 16, as desired. In the use, connect 16, be convenient for through setting up the pressure release the utility model discloses carry out the pressure release.
As shown in the attached drawings 1 and 2, the device further comprises an O-shaped sealing ring 17, and at least one O-shaped sealing ring 17 is arranged between the inner side of the lower part of the plug and the outer side of the upper pipe body 1; at least one O-shaped sealing ring 17 is arranged between the inner side of the upper pipe body 1 and the outer side of the lower pipe body 2; at least one O-shaped sealing ring 17 is arranged between the left end of the valve shell 6 and the valve seat 5; at least one sealing ring groove is arranged on the outer side of the sealing ring platform 18, and an O-shaped sealing ring 17 is arranged in the sealing ring groove. In the use, through setting up O shape sealing washer 17, guarantee the utility model discloses inside leakproofness.
As shown in attached figures 1 and 2, the inner side of the lower end of the plugging cap 3 is fixedly connected with the outer side of the upper end of the upper pipe body 1 through threads; the inner side of the lower end of the upper pipe body 1 and the outer side of the upper end of the lower pipe body 2 are fixedly installed together through threaded connection; the inner side of the right end of the valve seat 5 is fixedly connected with the outer side of the left end of the valve shell 6 through threads; the inner side of the left end of the pipeline joint 7 is fixedly installed with the outer side of the right end of the side connecting flange 14 through threaded connection; the outer side of the lower end of the lower pipe body 2 is fixedly installed with the inner side of the upper end of the lower connecting flange 15 through threaded connection. In the use process, the components are convenient to detach and mount through the fixed mounting mode of threaded connection.
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. A blowout prevention pipe for plunger gas lift drainage and gas production is characterized by comprising an upper pipe body, a lower pipe body, a plugging cap, a catching ball, a valve seat, a valve shell and a pipeline joint, wherein the lower end of the upper pipe body is fixedly installed with the upper end of the lower pipe body, the plugging cap is fixedly installed on the outer side of the upper end of the upper pipe body, and a buffer assembly is arranged on the inner side of the upper part of the upper pipe body; the valve rod assembly is characterized in that the right side of the lower pipe body is provided with an inner-outer through valve hole, the outer side of the lower pipe body corresponding to the position of the valve hole is fixedly provided with a valve seat, a catching ball is arranged in the valve seat, 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 a valve casing, the center of the right side of the valve casing is provided with a mounting hole, and the mounting hole is internally provided with; at least one air transmission hole is arranged on the left side of the lower pipe body at an upper and lower interval, and a pipeline joint is fixedly arranged on the outer side of the lower pipe body corresponding to the position of the air transmission hole.
2. The lubricator for plunger gas lift drainage and gas production according to claim 1, wherein the valve rod assembly comprises a valve rod, a valve handle and a spring, the mounting hole is a threaded hole, external threads matched with the mounting hole are arranged on the outer side of the valve rod, and the valve rod is fixedly mounted in the mounting hole through threaded connection; the left end of the valve rod is positioned in the valve shell, and a spring is arranged between the left end of the valve rod and the right side of the catching ball; the right end of the valve rod is positioned at the right side of the valve casing, and a valve handle is fixedly arranged at the right end of the valve rod; the outside of the left end of the valve rod is provided with a sealing ring platform, and the outer diameter of the sealing ring platform is the same as the inner diameter of the valve shell.
3. The lubricator for plunger gas lift drainage and gas production according to claim 1 or 2, wherein the buffer assembly comprises a buffer seat and a buffer rubber tube, the inner side of the middle part of the upper tube body is provided with a limit ring table, the inner side of the upper part of the upper tube body is provided with the buffer seat, the lower end of the buffer seat is seated on the limit ring table, and the buffer rubber tube is arranged on the inner side of the upper tube body corresponding to the position between the buffer seat and the plugging cap.
4. The lubricator for plunger gas lift drainage and gas production according to claim 1 or 2, further comprising a side connecting flange and a lower connecting flange, wherein the side connecting flange is fixedly mounted on the inner side of the left end of the pipeline joint, and the lower connecting flange is fixedly mounted on the outer side of the lower end of the lower pipe body.
5. The lubricator for plunger gas lift water drainage and gas production according to claim 3, further comprising a side connecting flange and a lower connecting flange, wherein the side connecting flange is fixedly mounted on the inner side of the left end of the pipeline joint, and the lower connecting flange is fixedly mounted on the outer side of the lower end of the lower pipe body.
6. The lubricator for plunger gas lift drainage and gas production according to claim 1, 2 or 5, further comprising a pressure relief joint, wherein the outer side of the lower pipe body is provided with a pressure relief hole, and the outer side of the lower pipe body corresponding to the position of the pressure relief hole is fixedly provided with the pressure relief joint.
7. The lubricator for plunger gas lift drainage and gas production according to claim 3, further comprising a pressure relief joint, wherein the outer side of the lower tube body is provided with a pressure relief hole, and the pressure relief joint is fixedly mounted on the outer side of the lower tube body corresponding to the position of the pressure relief hole.
8. The lubricator for plunger gas lift drainage and gas production according to claim 4, further comprising a pressure relief joint, wherein the outer side of the lower pipe body is provided with a pressure relief hole, and the pressure relief joint is fixedly mounted on the outer side of the lower pipe body corresponding to the position of the pressure relief hole.
9. The lubricator for plunger gas lift drainage and gas production according to claim 5, 7 or 8, further comprising an O-ring, wherein at least one O-ring is arranged between the inner side of the lower part of the choke plug and the outer side of the upper pipe body; at least one O-shaped sealing ring is arranged between the inner side of the upper pipe body and the outer side of the lower pipe body; at least one O-shaped sealing ring is arranged between the left end of the valve shell and the valve seat; at least one sealing ring groove is arranged on the outer side of the sealing ring table, and an O-shaped sealing ring is arranged in the sealing ring groove.
10. The lubricator for plunger gas lift drainage and gas production according to claim 9, wherein the inner side of the lower end of the plugging cap is fixedly mounted with the outer side of the upper end of the upper pipe body through threaded connection; the inner side of the lower end of the upper pipe body and the outer side of the upper end of the lower pipe body are fixedly installed together through threaded connection; 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 inner side of the left end of the pipeline joint and the outer side of the right end of the side connecting flange are fixedly installed together through threaded connection; the outer side of the lower end of the lower pipe body is fixedly installed with the inner side of the upper end of the lower connecting flange through threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921755662.4U CN210768688U (en) | 2019-10-18 | 2019-10-18 | Blowout-preventing pipe for plunger gas lift drainage gas production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921755662.4U CN210768688U (en) | 2019-10-18 | 2019-10-18 | Blowout-preventing pipe for plunger gas lift drainage gas production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210768688U true CN210768688U (en) | 2020-06-16 |
Family
ID=71041911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921755662.4U Active CN210768688U (en) | 2019-10-18 | 2019-10-18 | Blowout-preventing pipe for plunger gas lift drainage gas production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210768688U (en) |
-
2019
- 2019-10-18 CN CN201921755662.4U patent/CN210768688U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2005223687B2 (en) | Refueling assembly having a check valve receptacle and a replaceable fuel receiver for bottom-filled fuel tanks | |
| CN210768688U (en) | Blowout-preventing pipe for plunger gas lift drainage gas production | |
| CN101076687B (en) | Compact field adjustable pressure reducing valve | |
| CN211115905U (en) | Blowout-preventing pipe for uninterrupted plunger drainage and gas production | |
| CN110195574B (en) | Cylindrical back pressure valve | |
| CN211115927U (en) | Uninterrupted plunger water drainage and gas production device | |
| CN204571931U (en) | Ball seat retrievable pitching sliding sleeve | |
| CN103603617A (en) | Gas injection tubular column releasing device | |
| CN110593823A (en) | Uninterrupted plunger water drainage gas production device and uninterrupted plunger water drainage gas production method | |
| CN201202763Y (en) | Gas spring | |
| CN203175484U (en) | Safety release valve for oil-gas well cable packer | |
| CN211468157U (en) | Low-flow-resistance oil-proof tank overpressure device | |
| CN211474745U (en) | Bottom cover one-way inflation valve for single-tube shock absorber | |
| CN210685927U (en) | Self-locking rubber plug | |
| CN107013179A (en) | One kind has underground blow-out preventing device and method in rod recovering system oil pipe | |
| CN103174825A (en) | Shifting direct-acting valve | |
| US2758444A (en) | Master cylinder assembly for hydraulic brakes | |
| CN211039837U (en) | Ventilation safety valve | |
| CN217634451U (en) | Quick coupling | |
| CN217108338U (en) | Mining pilot-operated pilot-controlled check valve | |
| CN218754766U (en) | Manual and pneumatic dual-purpose hydraulic jack | |
| CN211038599U (en) | Fixed heat-preservation oil nozzle sleeve sealing pressure test device | |
| KR102414789B1 (en) | A water supply connector capable of automatically blocking water supply | |
| CN213332992U (en) | Rocket ball lock for air supply connector | |
| CN214007643U (en) | Hydraulic combination valve based on sequential decompression and overflow functions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |