CN209742860U - Automatic trapping apparatus based on plunger gas lift - Google Patents
Automatic trapping apparatus based on plunger gas lift Download PDFInfo
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- CN209742860U CN209742860U CN201920462769.3U CN201920462769U CN209742860U CN 209742860 U CN209742860 U CN 209742860U CN 201920462769 U CN201920462769 U CN 201920462769U CN 209742860 U CN209742860 U CN 209742860U
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Abstract
The utility model discloses an automatic trapping apparatus based on plunger gas lift, including well head pipeline, plunger and plunger trapper, the plunger is located in the well head pipeline to can be for well head pipeline along axial displacement, the through-hole has been seted up to well head pipeline lateral wall, the plunger trapper is fixed in on the outer wall of well head pipeline, including sleeve pipe, actuating mechanism, connecting rod, spring and telescopic link, actuating mechanism locates in the sleeve pipe, and actuating mechanism passes through the connecting rod and is connected with the telescopic link, is equipped with the spring between connecting rod and the telescopic link, the through-hole that the telescopic link can pass well head pipeline lateral wall stretches into in the well head pipeline. Adopt this automatic trapping apparatus, utilize the plunger up-and-down motion in the oil pipe, mention oil gas from the well, the rethread plunger catcher realizes the seizure to the plunger, avoids the plunger whereabouts, and then has avoided the plunger to make a round trip to float at the entrance of production pipeline, helps improving the output of oil gas well, and helps reducing the fluid pressure fluctuation in the production pipeline.
Description
Technical Field
The utility model relates to an oil gas exploration field, concretely relates to automatic trapping apparatus based on plunger gas lift.
Background
In the process of oil and gas field development, how to improve the recovery ratio, prolong the service life of an oil and gas well and effectively reduce the development cost of the oil and gas field is a difficult problem which needs to be solved urgently in front of oil field workers.
The plunger gas lift is an artificial lifting method of the oil well, and the oil gas is lifted out of the well by utilizing the up-and-down movement of a freely moving plunger in the oil pipe. When the plunger gas lift well is produced, the upward impact force of the plunger is large, so that the impact is caused on a well mouth; in addition, the plunger must be captured when servicing of the plunger is required.
SUMMERY OF THE UTILITY MODEL
the utility model provides an automatic trapping apparatus based on plunger gas lift can reduce the ascending impact force of plunger when plunger gas lift well is produced to form buffer protection to plunger gas lift well head.
in order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides an automatic trapping apparatus based on plunger gas lift, includes well head pipeline, plunger and plunger trapper, the plunger is located in the well head pipeline to can be for well head pipeline along axial displacement, the through-hole has been seted up to well head pipeline lateral wall, the plunger trapper is fixed in on the outer wall of well head pipeline, including sleeve pipe, actuating mechanism, connecting rod, first spring and telescopic link, actuating mechanism locates in the sleeve pipe, and actuating mechanism passes through the connecting rod and is connected with the telescopic link, is equipped with first spring between connecting rod and the telescopic link, the through-hole that the telescopic link can pass well head pipeline lateral wall stretches into in the well head pipeline.
Preferably, as above-mentioned scheme, the coaxial fixedly connected with fixing base of sleeve pipe one end to fix on the outer wall of well head pipeline through the fixing base, be equipped with first sealing washer between cover inside pipe wall and the fixing base outer wall, fixing base central authorities are equipped with axially extended ladder through-hole, and in the ladder through-hole was located to the connecting rod, be equipped with the second sealing washer between connecting rod outer wall and the fixing base inner wall, the sheathed tube other end was fixed with the end cover, is equipped with the third sealing washer between end cover and the sleeve pipe, the cavity that is used for placing first spring is offered to the terminal surface central authorities of connecting rod, is connected through the.
Preferably, the driving mechanism comprises a motor and a driving screw, the driving screw is arranged in the stepped through hole of the fixing seat through a thrust ball bearing, one end of the driving screw is connected with the connecting rod through a slide valve, the other end of the driving screw is connected with an output shaft of the motor through a coupler, and the motor is fixedly connected with the fixing seat through a connecting piece.
Preferably, the thrust ball bearing is sleeved with a bearing box, two ends of the bearing box are respectively provided with a sliding sleeve and a bearing pressing ring, the outer wall of the bearing pressing ring is in threaded connection with the inner wall of the fixed seat, and the sliding sleeve is arranged between the inner wall of the fixed seat and the outer wall of the sliding valve.
Preferably as above-mentioned scheme, actuating mechanism includes two electro-magnets, is electro-magnet one and electro-magnet two respectively, through flange fixed connection between the two, is equipped with electro-magnet iron core one and electro-magnet iron core two in electro-magnet one and the electro-magnet two respectively, connects through the connecting rod between electro-magnet iron core one and the electro-magnet iron core two, and wherein keep away from the electro-magnet of end cover one side and pass through transition flange and fixing base fixed connection to through its inside electro-magnet iron core and connecting rod fixed connection, be equipped with the fourth sealing washer between transition flange and the sleeve pipe inner wall.
Preferably, a telescopic pipe is arranged between the outer wall of the connecting rod and the inner wall of the fixing seat, one end of the telescopic pipe is abutted to the transition flange, and a telescopic pipe cover is arranged at the other end of the telescopic pipe.
Preferably, the transition flange is provided with a balance pipe along a length direction parallel to the sleeve, and the balance pipe is sleeved with a balance sleeve.
Preferably as above-mentioned scheme, the plunger includes fishing head, well core rod, plunger tail cap, well core rod's both ends respectively with fishing head and plunger tail cap fixed connection, be equipped with the pressure gauge in the well core rod, the outer peripheral cover of well core rod is equipped with the lantern ring, and a plurality of annulars have been seted up to the outer wall of lantern ring along the circumferencial direction, and the lantern ring both ends are equipped with respectively and right mechanism down, fishing head is two-stage circular cone structure, and small circle cone end is connected with the antenna house, installs high frequency antenna and low frequency antenna in the antenna house, is equipped with the fifth sealing washer between antenna house and the fishing head, the outer circumference of plunger.
Preferably, the upper and lower centering mechanisms each include two sliding shoes, a central rod sleeve is disposed between the lower sliding shoe and the central rod, and a second spring is disposed between the upper sliding shoe and the central rod.
Preferably, the upper end of the wellhead pipeline is connected with a buffer, the buffer comprises a blowout prevention cap, a blowout prevention pipe, a blowout prevention rod and a buffer spring, two ends of the blowout prevention pipe are fixedly connected with the wellhead pipeline and the blowout prevention cap respectively, the blowout prevention pipe is arranged in the blowout prevention pipe, the buffer spring is arranged between the blowout prevention pipe and the blowout prevention cap, the blowout prevention rod can slide on the inner wall of the blowout prevention pipe, and the blowout prevention rod is provided with a high-frequency antenna and a low-frequency antenna.
Due to the structure, the beneficial effects of the utility model reside in that:
1. at well head pipeline outer wall installation plunger trapper, realized the seizure to the plunger, avoided the plunger whereabouts, and then avoided the plunger to make a round trip to float at the entrance of production pipeline, help improving the output of oil gas well, and help reducing the fluid pressure fluctuation in the production pipeline, can in time catch the plunger when needs overhaul the plunger in addition.
2. The plunger catcher is fixed on a wellhead pipeline through the fixing seat, and the replacement of the catcher can be facilitated. Through set up the spring between connecting rod and telescopic link, can make things convenient for the telescopic link to withdraw from the perforating hole of well head pipeline, avoid long-time repetitious usage, plunger wearing and tearing telescopic link.
3. The centralizing mechanism arranged on the plunger ensures that the sliding shoes can always cling to the pipe wall according to different degrees of the opening of the sliding shoes by the spring according to different sizes of the inner hole of the pipe, so as to ensure that the plunger always moves axially along the pipe wall and further centralize the plunger; the fishing head main body on the plunger is of a large-small two-stage conical structure, so that resistance in the rising process of the plunger can be reduced, the size of the small cone is matched with the field fishing device, and the wellhead fishing and the replacement are convenient.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 and 2 are schematic views of the overall assembly structure of the present invention;
Fig. 3 and 4 are schematic structural views of a plunger catcher according to an embodiment of the present invention, wherein fig. 3 is an extended state of the plunger catcher, and fig. 4 is a retracted state of the plunger catcher;
Fig. 5 and fig. 6 are schematic structural views of the plunger of the present invention, wherein fig. 5 is an open state of the righting mechanism of the plunger, and fig. 6 is a retracted state of the righting mechanism of the plunger catcher;
Fig. 7 and 8 are schematic structural views of a second plunger catcher according to an embodiment of the present invention, wherein fig. 7 is a retracted state of the plunger catcher, and fig. 8 is an extended state of the plunger catcher.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
As shown in fig. 1 to 6, the utility model provides an automatic trapping apparatus based on plunger gas lift, including well head pipeline 1, plunger 2 and plunger catcher 3, plunger 2 is located in well head pipeline 1 to can be for well head pipeline 1 along axial displacement, through-hole 11 has been seted up to well head pipeline 1 lateral wall, plunger catcher 3 is fixed in on well head pipeline 1's the outer wall, including sleeve pipe 31, actuating mechanism, connecting rod 32, first spring 33 and telescopic link 34, actuating mechanism locates in the sleeve pipe 31, and actuating mechanism passes through connecting rod 32 and is connected with telescopic link 34, is equipped with first spring 33 between connecting rod 32 and the telescopic link 34, telescopic link 34 can pass through-hole 11 of well head pipeline 1 lateral wall and stretch into in the well head pipeline 1.
One end of the sleeve 31 is coaxially and fixedly connected with a fixed seat 35 and is fixed on the outer wall of the wellhead pipeline 1 through the fixed seat 35, a first sealing ring 41 is arranged between the inner wall of the sleeve 31 and the outer wall of the fixed seat 35, a step through hole extending axially is arranged in the center of the fixed seat 35, a connecting rod 32 is arranged in the step through hole, a second sealing ring 42 is arranged between the outer wall of the connecting rod 32 and the inner wall of the fixed seat 35, an end cover 36 is fixed at the other end of the sleeve 31, a third sealing ring 43 is arranged between the end cover 36 and the sleeve 31, a cavity for placing the first spring 33 is arranged in the center of the end surface of the connecting rod 32 for preventing the first spring 33 from falling off, a spring end cover 39 is arranged at one end of the first spring 33, the spring end cover 39 is fixedly connected with the connecting rod 32, the spring end cover 39 is arranged outside the telescopic rod, the telescoping rod 34 is axially movable relative to the spring end cap 39.
The driving mechanism comprises a motor 371 and a driving screw 372, wherein the driving screw 372 is arranged in a stepped through hole of the fixing seat 35 through a thrust ball bearing 373, one end of the driving screw 372 is connected with the connecting rod 32 through a slide valve 374, two ends of the inner wall of the slide valve 374 are respectively in threaded connection with the driving screw 372 and the outer wall of the connecting rod 32, the other end of the driving screw 372 is connected with an output shaft of the motor 371 through a coupler 375, and the motor 371 is fixedly connected with the fixing seat 35 through a connecting piece 376.
The outer side of the thrust ball bearing 373 is sleeved with a bearing box 377, two ends of the bearing box 377 are respectively provided with a sliding sleeve 378 and a bearing pressing ring 379, the outer wall of the bearing pressing ring 379 is in threaded connection with the inner wall of the fixed seat 35, and the sliding sleeve 378 is arranged between the inner wall of the fixed seat 35 and the outer wall of the sliding valve 374 and can play a role in lubricating and guiding the axial movement of the sliding valve 374.
The plunger 2 comprises a fishing head 21, a central rod 22 and a plunger tail cap 23, two ends of the central rod 22 are respectively in threaded connection with the fishing head 21 and the plunger tail cap 23, and a pressure gauge 24 is arranged in the central rod 22 and used for collecting downhole temperature and pressure data; a lantern ring 25 is sleeved on the outer circumference of the central rod 22, and a plurality of annular grooves are formed in the outer wall of the lantern ring 25 along the circumferential direction, so that gas can conveniently enter between the lantern ring and the pipe wall to lift the plunger; an upper righting mechanism 26 and a lower righting mechanism 27 are respectively arranged at two ends of the lantern ring 25; the fishing head 21 is of a two-stage conical structure, so that resistance in the rising process of the plunger can be reduced, the small conical end is connected with an antenna housing 28, a high-frequency antenna 281 and a low-frequency antenna 282 are installed in the antenna housing 28, the high-frequency antenna is used for transmitting information, the low-frequency antenna is used for transmitting energy, and a fifth sealing ring 45 is arranged between the antenna housing 28 and the fishing head 21; the outer circumference of the plunger tail cap 23 is provided with a spiral groove, so that the plunger is in a rotating state in the rising process, the rising resistance is further reduced, and the gas is convenient to lift the plunger.
The upper and lower centralizing mechanisms 26 and 27 each include two sliding shoes, a central rod sleeve 291 is disposed between the lower sliding shoe 27 and the central rod 22, and a second spring 292 is disposed between the upper sliding shoe 26 and the central rod 22. The sliding shoe is propped open by the second spring 292 according to different inner hole diameters of the pipe, so that the sliding shoe can be always clung to the pipe wall, and the upper and lower righting mechanisms 26 and 27 are matched for use to ensure that the plunger 2 always moves along the axial direction of the wellhead pipeline 1 and/or the blowout prevention pipe 52, so as to right the plunger.
The upper end of the wellhead pipeline 1 is connected with a buffer 5, the buffer 5 comprises a blowout prevention cap 51, a blowout prevention pipe 52, a blowout prevention rod 53 and a buffer spring 54, two ends of the blowout prevention pipe 52 are fixedly connected with the wellhead pipeline 1 and the blowout prevention cap 51 respectively, the blowout prevention pipe 53 is arranged in the blowout prevention pipe 52, the buffer spring 54 is arranged between the blowout prevention rod 53 and the blowout prevention cap 51, the blowout prevention rod 53 can slide on the inner wall of the blowout prevention pipe 52, and high-frequency and low-frequency antennas 281 and 282 are arranged on the blowout prevention rod 53.
the utility model discloses a working process:
The plunger 2 is placed into the wellhead pipeline 1 from the top, then the buffer 5 is installed, two water outlets 12 and an exhaust hole 13 are arranged on the outer wall of the wellhead pipeline 1, an air release valve 14 is arranged on the exhaust hole 13, the water outlets 12 are communicated with a tee joint 8 through a union nipple 7, the outlet of the tee joint 8 is downward, the plunger 2 can be pushed up conveniently and can be rapidly discharged, and the plunger 2 can do periodic up-and-down reciprocating motion in the wellhead pipeline 1.
When the wellhead pressure is close to or reaches the rated working pressure, the pneumatic membrane valve behind the tee joint 8 is opened, downhole fluid rapidly enters the wellhead pipeline 1 from the annular groove 251 of the lantern ring 25, the plunger 2 is driven by the push of the wellhead pressure to move upwards together with the gas-liquid mixture on the upper portion of the plunger 2 until the plunger 2 enters the blowout prevention pipe 52 and contacts with the blowout prevention rod 53, the blowout prevention rod 53 compresses the buffer spring 54, the plunger 2 is further buffered to counteract the ascending lifting force of the plunger, in the ascending process of the plunger 2, the connecting rod 32 is driven by the driving mechanism to move axially in the sleeve 31, the connecting rod 32 drives the telescopic rod 34 to move towards the direction close to the wellhead pipeline 1, so that the telescopic rod 34 extends into the through hole 11 of the wellhead pipeline 1, when the plunger 2 contacts the telescopic rod 34 of the plunger catcher 3, the telescopic rod 34 is squeezed to retract and rapidly moves into the wellhead pipeline 1 above the plunger catcher 3, meanwhile, the telescopic rod 34 below the plunger 2 automatically extends into the through hole 11 of the wellhead pipeline 1 under the restoring force of the first spring 33, so that the plunger 2 is prevented from falling, and the plunger 2 is forced to finally stop at the pipe orifice of the wellhead pipeline 1. At this time, the vent valve 14 on the vent hole 13 is opened, the plunger 2 drives the rising gas to be discharged through the vent hole 13, and the plunger 2 drives the rising water to be discharged through the water outlet 12 and the union nipple 7.
When pneumatic membrane valve closed, drive telescopic link 34 through actuating mechanism and withdraw from well head pipeline 1, first spring 33 resets, and plunger 2 loses the plunger catcher 3 block the back and fall smoothly under the dead weight effect, and when plunger 2 was descending, drive telescopic link 34 through actuating mechanism and stretch into in well head pipeline 1's through-hole 11, prepare for the seizure next time.
In this embodiment, actuating mechanism adopts motor 371, and when needs caught plunger 2, the motor corotation, the motor passes through the shaft coupling and drives drive screw 372 and rotate, and drive screw 372 drives spool 374 axial motion through the transmission screw thread to this drives the connecting rod 32 axial motion who links to each other with spool 374, and drives telescopic link 34 through connecting rod 32 and remove to the direction that is close to well head pipeline 1, stretches into in well head pipeline 1's the through-hole 11. When the plunger 2 does not need to be captured, the motor rotates reversely to drive the telescopic rod 34 to move towards the direction far away from the wellhead pipeline 1, and the telescopic rod exits from the wellhead pipeline 1.
Example two:
As shown in fig. 7 and 8, the structure is basically the same as that of the first embodiment, except that: the driving mechanism comprises two electromagnets, which are respectively a first electromagnet 381 and a second electromagnet 382, the first electromagnet 381 and the second electromagnet 382 are fixedly connected through a connecting flange 383, a first electromagnet core 3811 and a second electromagnet core 3821 are respectively arranged in the first electromagnet 381 and the second electromagnet 382, the first electromagnet core 3811 and the second electromagnet core 3821 are in threaded connection through a connecting rod 384, the electromagnet (the second electromagnet 382) far away from one side of the end cover 36 is fixedly connected with the fixed seat 35 through a transition flange 385, the electromagnet core (the second electromagnet core 3821) is in threaded connection with the connecting rod 32 through the inside of the electromagnet core, and a fourth sealing ring 44 is arranged between the transition flange 385 and the inner wall of the sleeve 31.
An extension tube 386 is arranged between the outer wall of the connecting rod 32 and the inner wall of the fixed seat 35, one end of the extension tube 386 is abutted against the transition flange 385, and the other end of the extension tube 386 is provided with an extension tube cover 387.
A balance pipe 388 is arranged on the transition flange 385 along the length direction parallel to the sleeve 31, and a balance sleeve 389 is sleeved on the balance pipe.
working process and embodiment one are basically the same, what the difference is that actuating mechanism adopts two electromagnets in this embodiment, when needs catch plunger 2, keep away from a 381 circular telegrams of electromagnet of well head pipeline 1 one side, its inside electromagnetic core 3811 is to being close to well head pipeline 1 one side axial displacement, with this drive with it through two 3821 and the connecting rod 32 axial motion together of threaded connection's electromagnetic core, and drive in telescopic link 34 stretches into well head pipeline 1's through-hole 11 through connecting rod 32, when need not catch plunger 2, two 382 circular telegrams of electromagnet, two 3821 of its inside electromagnetic core drive telescopic link 34 is to the direction removal of keeping away from well head pipeline 1, withdraw from well head pipeline 1.
In this embodiment, three cavities are formed inside the sleeve 31 of the plunger catcher 3, which are respectively a left cavity 61 between two electromagnets, a middle cavity 62 between the two electromagnets 382 and the fixing seat 35, and a right cavity 63 between the telescopic tube cover 387 and the step surface of the step through hole of the fixing seat 35, oil is filled in all the three cavities, the balance tube 388 is arranged in the middle cavity 62, the balance tube 388 is sleeved with a balance sleeve 389, the balance sleeve 389 comprises a large rubber sleeve and three small rubber sleeves, the outer circumference of the large rubber sleeve is of a wave-shaped structure and can freely stretch and retract to balance the pressure between the left cavity 61 and the middle cavity 62, and the small rubber sleeve can expand or contract to reduce along with the change of the pressure difference to balance the pressure between the middle cavity 62 and the right cavity 63. Before the electro-magnet circular telegram, the oil pressure in the three cavity is in balanced state, and the electro-magnet circular telegram back, along with the removal of electromagnet core in the electro-magnet, the volume in the three cavity has little change, can balance the pressure differential in two adjacent cavities through the inflation and the shrink of balanced cover 389 this moment for resistance when reducing electromagnet core and removing. When the pressure in the central chamber 62 is slightly greater than the pressure in the adjacent chambers, the sleeve contracts to increase the volume in the chamber 62 and thereby decrease the pressure in the chamber 62, and conversely when the pressure in the chamber 62 is low, the sleeve expands to increase its internal pressure.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an automatic trapping apparatus based on plunger gas lift which characterized in that: including well head pipeline, plunger and plunger trapper, the plunger is located in the well head pipeline to can be for well head pipeline along axial displacement, the through-hole has been seted up to well head pipeline lateral wall, on the plunger trapper was fixed in the outer wall of well head pipeline, including sleeve pipe, actuating mechanism, connecting rod, first spring and telescopic link, actuating mechanism locates in the cover pipe, and actuating mechanism passes through the connecting rod and is connected with the telescopic link, is equipped with first spring between connecting rod and the telescopic link, the telescopic link can pass in the through-hole of well head pipeline lateral wall stretches into the well head pipeline.
2. The automatic capture device of claim 1, wherein: the coaxial fixedly connected with fixing base of sleeve pipe one end to fix on the outer wall of well head pipeline through the fixing base, be equipped with first sealing washer between cover inside pipe wall and the fixing base outer wall, fixing base central authorities are equipped with axially extended ladder through-hole, and in the ladder through-hole was located to the connecting rod, be equipped with the second sealing washer between connecting rod outer wall and the fixing base inner wall, the sheathed tube other end was fixed with the end cover, is equipped with the third sealing washer between end cover and the sleeve pipe, the cavity that is used for placing first spring is offered to the terminal surface central authorities of connecting rod, passes through the spring end cover.
3. The automatic capture device of claim 2, wherein: the driving mechanism comprises a motor and a driving screw rod, the driving screw rod is arranged in a stepped through hole of the fixing seat through a thrust ball bearing, one end of the driving screw rod is connected with the connecting rod through a slide valve, the other end of the driving screw rod is connected with an output shaft of the motor through a coupler, and the motor is fixedly connected with the fixing seat through a connecting piece.
4. The automatic capture device of claim 3, wherein: the outer side of the thrust ball bearing is sleeved with a bearing box, two ends of the bearing box are respectively provided with a sliding sleeve and a bearing pressing ring, the outer wall of the bearing pressing ring is in threaded connection with the inner wall of the fixing seat, and the sliding sleeve is arranged between the inner wall of the fixing seat and the outer wall of the sliding valve.
5. The automatic capture device of claim 2, wherein: the driving mechanism comprises two electromagnets, namely an electromagnet I and an electromagnet II, the electromagnet I and the electromagnet II are fixedly connected through a connecting flange, an electromagnetic iron core I and an electromagnetic iron core II are arranged in the electromagnet I and the electromagnet II respectively, the electromagnetic iron core I and the electromagnetic iron core II are connected through a connecting rod, the electromagnet far away from one side of the end cover passes through a transition flange and a fixing seat and is fixedly connected with the fixing seat through the electromagnetic iron core inside the electromagnet, and a fourth sealing ring is arranged between the transition flange and the inner wall of the sleeve.
6. The automatic capture device of claim 5, wherein: and a telescopic pipe is arranged between the outer wall of the connecting rod and the inner wall of the fixed seat, one end of the telescopic pipe is abutted to the transition flange, and the other end of the telescopic pipe is provided with a telescopic pipe cover.
7. The automatic capture device of claim 5, wherein: the transition flange is provided with a balance pipe along the length direction parallel to the sleeve, and the balance pipe is sleeved with a balance sleeve.
8. The automatic capture device of claim 1, wherein: the plunger includes fishing head, well core rod, plunger tail cap, well core rod's both ends respectively with fishing head and plunger tail cap fixed connection, be equipped with the pressure gauge in the well core rod, the outer peripheral cover of well core rod is equipped with the lantern ring, and a plurality of annulars have been seted up along the circumferencial direction to the outer wall of the lantern ring, and the lantern ring both ends are equipped with respectively and right mechanism down, fishing head is two-stage circular cone structure, and small circle conical end is connected with the antenna house, installs high frequency antenna and low frequency antenna in the antenna house, is equipped with the fifth sealing washer between antenna house and the fishing head, the outer circumference of plunger.
9. The automatic capture device of claim 8, wherein: the upper and lower centering mechanisms respectively comprise two sliding shoes, a central rod sleeve is arranged between the lower sliding shoe and the central rod, and a second spring is arranged between the upper sliding shoe and the central rod.
10. The automatic capture device of claim 1, wherein: the anti-spraying device is characterized in that a buffer is connected to the upper end of the wellhead pipeline, the buffer comprises an anti-spraying cap, a blowout prevention pipe, an anti-spraying rod and a buffer spring, the two ends of the blowout prevention pipe are fixedly connected with the wellhead pipeline and the anti-spraying cap respectively, the anti-spraying rod is arranged in the blowout prevention pipe, the buffer spring is arranged between the anti-spraying rod and the blowout prevention cap, the anti-spraying rod can slide on the inner wall of the blowout prevention pipe, and the blowout prevention rod is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920462769.3U CN209742860U (en) | 2019-04-08 | 2019-04-08 | Automatic trapping apparatus based on plunger gas lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920462769.3U CN209742860U (en) | 2019-04-08 | 2019-04-08 | Automatic trapping apparatus based on plunger gas lift |
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| Publication Number | Publication Date |
|---|---|
| CN209742860U true CN209742860U (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920462769.3U Active CN209742860U (en) | 2019-04-08 | 2019-04-08 | Automatic trapping apparatus based on plunger gas lift |
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| CN (1) | CN209742860U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927362A (en) * | 2020-08-04 | 2020-11-13 | 中国石油天然气股份有限公司 | Plunger gas well electric intelligent capturing plunger device and using method thereof |
| CN112234675A (en) * | 2020-10-12 | 2021-01-15 | 贵州航天凯山石油仪器有限公司 | Method for prolonging service life of battery in testing plunger |
| CN115234199A (en) * | 2022-07-28 | 2022-10-25 | 华北理工大学 | Horizontal well drainage gas production device and method |
| CN115653553A (en) * | 2022-12-12 | 2023-01-31 | 中海油能源发展股份有限公司采油服务分公司 | Plunger arrival acquisition, capturing and release integrated device and method |
-
2019
- 2019-04-08 CN CN201920462769.3U patent/CN209742860U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927362A (en) * | 2020-08-04 | 2020-11-13 | 中国石油天然气股份有限公司 | Plunger gas well electric intelligent capturing plunger device and using method thereof |
| CN112234675A (en) * | 2020-10-12 | 2021-01-15 | 贵州航天凯山石油仪器有限公司 | Method for prolonging service life of battery in testing plunger |
| CN115234199A (en) * | 2022-07-28 | 2022-10-25 | 华北理工大学 | Horizontal well drainage gas production device and method |
| CN115234199B (en) * | 2022-07-28 | 2023-08-18 | 华北理工大学 | Drainage gas production device and method for horizontal well |
| CN115653553A (en) * | 2022-12-12 | 2023-01-31 | 中海油能源发展股份有限公司采油服务分公司 | Plunger arrival acquisition, capturing and release integrated device and method |
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