CN206693998U - A kind of device for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage - Google Patents
A kind of device for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage Download PDFInfo
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- CN206693998U CN206693998U CN201621448143.XU CN201621448143U CN206693998U CN 206693998 U CN206693998 U CN 206693998U CN 201621448143 U CN201621448143 U CN 201621448143U CN 206693998 U CN206693998 U CN 206693998U
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Abstract
The utility model discloses a kind of device for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage, including big plunger and small plunger；Big plunger is up/down perforation structure, and inside is hollow flow passage, and small plunger includes hollow body, and top is provided with the spring-loaded pawl coordinated with big plunger base clip spring seat, and big plunger is attached with small plunger by spring-loaded pawl and clip spring seat；Large and small plunger moves in large and small oil pipe section respectively, so as to realize that relaying type plunger lifts, small plunger moves upwards from shaft bottom, shaft bottom liquid is lifted upwards, after reaching reducer union position, row is filled in huge pillar and docks one entirety of formation, continue up to well head, liquid is lifted to surface line, Oil/gas Well combined string application plunger lift technique is realized and carries out liquid discharging gas producing, the problem for solving combined string Oil/gas Well liquid discharging gas producing.
Description
Technical field
The utility model belongs to oil gas field oil recovery production gas technology field, is related to one kind and is used for combined string Oil/gas Well relay-type
The device of plunger lift discharge opeing production.
Background technology
Plunger lift technique is that liquid is discharged into pit shaft using gas well self-energy, and plunger is as the mechanical boundary between gas-liquid
Face, prevent to alter on gas and fallen after rise with liquid, reduce liquid slippage effect, increase interval lifting efficiency.Ground by tackling key problem for many years
Study carefully, Changqing oilfields independent research technique of plunger gas lift achieves breakthrough, realizes the control to plunger operation, is given birth to according to Oil/gas Well
Occurrence condition sets the working system of Oil/gas Well automatically, has effectively played the effect of liquid discharging gas producing；Gas well is realized remotely to adjust in real time
Ginseng and management, improve measure efficiency, use manpower and material resources sparingly, especially suitable for fine and close gas field region area is wide, well is more, people is few
Exploitation actuality.Cost is greatly reduced compared with foreign technology, realizes sizable application, achieves good effect of increasing production, effectively solves
Daily output 3000m3 following gas well Steady product technique problems.This technique is primarily adapted for use in be less than with certain production capacity, water yield per day
25m3 gas well, turn into the major technique of Changqing Gas Fields water pumping gas production.
In recent years, the exploitation with deep-seated oil gas field and other underground particular/special requirements, the usage amount of combination tubing post by
It is cumulative more.At present, the existing well of implication more than 1000 of Changqing oilfields employs up big and down small combined string (Ф 88.9mm oil pipes and Ф
73.02mm oil pipes combine), the water pumping gas production problem of such gas well also gradually highlights.Early stage, plunger water pumping gas production technology is only
Single caliber oil pipe gas well is can apply to, adaptability is limited, it is impossible to meet that combined string gas well lifts needs.Development is applied to group
The Novel plunger and corollary apparatus of tubing string are closed, the scope of application for extending plunger lift, is had great importance.
Utility model content
The utility model purpose is to provide a kind of for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage
Device, meet combined string gas well gaslift technological requirement, expand the scope of application of plunger lift discharge opeing technology.
A kind of device for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage, including big plunger and pillar
Plug；Big plunger is up/down perforation structure, and inside is hollow flow passage, and big plunger base has clip spring seat, set in big plunger hollow flow passage
There is ball seat, be provided with steel ball rolling channel above ball seat, steel ball is placed in raceway and is seated on ball seat, and big plunger moves up in tubing string
Sealed between Shi Gangqiu and ball seat, steel ball departs from ball seat when moving down, and realizes gas-liquid one-way flow；
Small plunger includes hollow body, and top is provided with the spring-loaded pawl coordinated with big plunger base clip spring seat, big plunger with
Small plunger is attached by spring-loaded pawl and clip spring seat.
Further, the small plunger bottom carries chamfering.
Further, big plunger hollow flow passage lower end is the conical surface, and small plunger and big plunger hollow flow passage faying face are the conical surface.
Further, big plunger head, which is provided with, salvages seat.
Further, it is provided with fishing head at the top of small plunger.
The utility model be used for combined string Oil/gas Well relaying type plunger gas lift liquid drainage production device, including big plunger and
Small plunger, large and small plunger move in large and small oil pipe section respectively, so as to realize relaying type plunger lift, small plunger from shaft bottom to
Upper motion, shaft bottom liquid is lifted upwards, after reaching reducer union position, fill in row with huge pillar and dock one entirety of formation, after
It is continuous to move up to well head, liquid is lifted to surface line, Oil/gas Well combined string application plunger lift technique is realized and enters
Row liquid discharging gas producing, solves the problem of combined string Oil/gas Well liquid discharging gas producing.
Brief description of the drawings
Fig. 1 a are the big plunger schematic diagrames of the utility model；
Fig. 1 b are the utility model small plunger schematic diagrames；
Fig. 1 c are that the large and small plunger of the utility model is connected as overall schematic diagram；
Fig. 2 a are that the utility model runs up for combined string Oil/gas Well relaying type plunger gas lift liquid drainage small plunger and shown
It is intended to；
It is whole that Fig. 2 b are that the utility model is connected as the large and small plunger of combined string Oil/gas Well relaying type plunger gas lift liquid drainage
Body runs up schematic diagram；
In figure：1- salvages seat；2- ball seats；3- clip spring seats；4- fishing heads；5- spring-loaded pawls；6- hollow bodies；7- steel balls；
The big plungers of A-；B- small plungers；C- undergrounds buffer；D- well head buffer units.
Embodiment
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Device for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage includes big plunger A and small plunger B, is
The relay lifted respectively in small, Big Inch during Plunger Lift is realized, big plunger indoor design has hollow flow passage, its bottom belt card
Spring abutment 3, small plunger include hollow body 6, and top is spring-loaded pawl 5.
As shown in Figure 1a, big plunger head, which is provided with, salvages seat 1, in order to salvage construction.It is provided with big plunger A hollow flow passages
Ball seat 2, the top of ball seat 2 are provided with the raceway of steel ball 7, and steel ball 7, which is placed in raceway, to be seated on ball seat 2, realizes gas-liquid one-way flow,
Back pressure is prevented, improves large and small plunger seal effect.
As shown in Figure 1 b, small plunger top tape fishing head 4, in order to salvage construction.Small plunger bottom carries chamfering, can
Ensure that it smoothly enters in lower wellbore Ф 73.02mm oil pipes, reduce the shock resistance of reducing step.
As illustrated in figure 1 c, carried out between big plunger base and small plunger top by the cooperation of spring-loaded pawl 5 and clip spring seat 3
Connection, after small plunger is connected with big plunger, while closes big plunger center flow channels, so that large and small plunger is whole as one
Body lifts in Big Inch.
Big plunger A hollow flow passages lower end is the conical surface, and small plunger B and big plunger A hollow flow passages faying face are the conical surface, sealing effect
Fruit is good.
Well head buffer unit D is installed at the top of combined string, combined string is wherein provided with underground buffer C in underground,
Large and small plunger moves in large and small oil pipe section respectively, so as to realize that relaying type plunger lifts.
As shown in Figure 2 a, after driving a well, small plunger is moved upwards from shaft bottom, and shaft bottom liquid is lifted upwards, is reached reducing and is connect
Behind head position, fill in row with huge pillar and dock one entirety of formation, continue up to well head, liquid is lifted to ground line
Line.
As shown in Figure 2 b, after closing well, big small plunger is integrally descending, and after reaching reducer union position, big plunger is hampered stopping
Motion, small plunger are continued traveling downwardly to shaft bottom due to effect of inertia.
Embodiment 1：Exemplified by method for combined string Oil/gas Well relaying type plunger gas lift liquid drainage, to the utility model
It is described in further detail.
After driving a well, small plunger is up in lower wellbore Ф 73.02mm oil pipes, and shaft bottom liquid is lifted upwards, reaches reducing
After joint location, liquid is entered in the Ф 88.9mm tubing strings of top by big plunger central passage, and small plunger fills in row pair with huge pillar
Connect to form an entirety, steel ball 7 is fallen after rise to ball seat 2, prevents liquid from falling after rise, is reduced the back pressure in large and small plunger seal face, be ensure that
Sealing effectiveness.Big small plunger is continued up to well head, and liquid is lifted into surface line.After closing well, big small plunger is overall
Descending, after reaching reducer union position, big plunger is hampered stop motion, small plunger because effect of inertia is continued traveling downwardly to shaft bottom,
Gradually sink to shaft bottom hydrops bottom.According to upper switch well periodic duty, finally realize that combined string Oil/gas Well is classified plunger
Gas lift liquid drainage gas production.
It should be understood by those skilled in the art that the utility model is not restricted to the described embodiments, above-described embodiment and
Simply illustrate principle of the present utility model described in specification, on the premise of the spirit and scope of the utility model is not departed from,
The utility model also has various changes and modifications, and these changes and improvements both fall within claimed the scope of the utility model
It is interior.The utility model requires protection scope is by appended claims and its equivalent thereof.
Claims (5)
- A kind of 1. device for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage, it is characterised in that：Including huge pillar Fill in (A) and small plunger (B)；Big plunger (A) is up/down perforation structure, and inside is hollow flow passage, and clip spring seat (3), big plunger (A) are arranged at big plunger (A) bottom Ball seat (2) is provided with hollow flow passage, is provided with steel ball (7) raceway above ball seat (2), steel ball (7), which is placed in raceway, is seated ball seat (2) on, sealed when big plunger moves up in tubing string between steel ball (7) and ball seat (2), steel ball (7) and ball when moving down Seat (2) departs from, and realizes gas-liquid one-way flow；Small plunger (B) includes hollow body (6), and top is provided with the spring-loaded pawl coordinated with big plunger (A) bottom clip spring seat (3) (5), big plunger (A) is attached with small plunger (B) by spring-loaded pawl (5) and clip spring seat (3).
- 2. the device according to claim 1 for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage, it is special Sign is：Small plunger (B) bottom carries chamfering.
- 3. the device according to claim 1 for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage, it is special Sign is：Big plunger (A) hollow flow passage lower end is the conical surface, and small plunger (B) and big plunger (A) hollow flow passage faying face are the conical surface.
- 4. the device according to claim 1 for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage, it is special Sign is：It is provided with the top of big plunger (A) and salvages seat (1).
- 5. the device according to claim 1 for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage, it is special Sign is：Fishing head (4) is provided with the top of small plunger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621448143.XU CN206693998U (en) | 2016-12-27 | 2016-12-27 | A kind of device for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621448143.XU CN206693998U (en) | 2016-12-27 | 2016-12-27 | A kind of device for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage |
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| CN206693998U true CN206693998U (en) | 2017-12-01 |
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| CN201621448143.XU Active CN206693998U (en) | 2016-12-27 | 2016-12-27 | A kind of device for the production of combined string Oil/gas Well relaying type plunger gas lift liquid drainage |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058803A (en) * | 2019-12-16 | 2020-04-24 | 中国石油天然气股份有限公司 | Plunger gas lift drainage gas recovery device for combined pipe column and drainage gas recovery method thereof |
| CN112523708A (en) * | 2019-09-17 | 2021-03-19 | 成都百胜野牛科技有限公司 | Downhole locking device |
| CN113309497A (en) * | 2021-06-21 | 2021-08-27 | 托普威尔石油技术股份公司成都分公司 | Quick-falling plunger device |
| CN115217752A (en) * | 2022-06-22 | 2022-10-21 | 中国石油大学(北京) | Plunger piston |
| CN117052355A (en) * | 2023-10-10 | 2023-11-14 | 大庆鑫得丰石油技术有限公司 | Plunger lifting oil-gas well wellhead device |
| CN117662076A (en) * | 2024-02-02 | 2024-03-08 | 陕西汇丰悦石油科技开发有限公司 | Liquid-discharging gas-collecting device and liquid-discharging gas-collecting method |
-
2016
- 2016-12-27 CN CN201621448143.XU patent/CN206693998U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523708A (en) * | 2019-09-17 | 2021-03-19 | 成都百胜野牛科技有限公司 | Downhole locking device |
| CN111058803A (en) * | 2019-12-16 | 2020-04-24 | 中国石油天然气股份有限公司 | Plunger gas lift drainage gas recovery device for combined pipe column and drainage gas recovery method thereof |
| CN111058803B (en) * | 2019-12-16 | 2023-08-22 | 中国石油天然气股份有限公司 | Plunger gas lift drainage gas production device for combined pipe column and drainage gas production method thereof |
| CN113309497A (en) * | 2021-06-21 | 2021-08-27 | 托普威尔石油技术股份公司成都分公司 | Quick-falling plunger device |
| CN115217752A (en) * | 2022-06-22 | 2022-10-21 | 中国石油大学(北京) | Plunger piston |
| CN117052355A (en) * | 2023-10-10 | 2023-11-14 | 大庆鑫得丰石油技术有限公司 | Plunger lifting oil-gas well wellhead device |
| CN117052355B (en) * | 2023-10-10 | 2024-01-26 | 大庆鑫得丰石油技术有限公司 | Plunger lifting oil-gas well wellhead device |
| CN117662076A (en) * | 2024-02-02 | 2024-03-08 | 陕西汇丰悦石油科技开发有限公司 | Liquid-discharging gas-collecting device and liquid-discharging gas-collecting method |
| CN117662076B (en) * | 2024-02-02 | 2024-04-09 | 陕西汇丰悦石油科技开发有限公司 | Liquid-discharging gas-collecting device and liquid-discharging gas-collecting method |
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