CN209228345U - A kind of gas well Intelligent Plunger mining device - Google Patents
A kind of gas well Intelligent Plunger mining device Download PDFInfo
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- CN209228345U CN209228345U CN201821867309.0U CN201821867309U CN209228345U CN 209228345 U CN209228345 U CN 209228345U CN 201821867309 U CN201821867309 U CN 201821867309U CN 209228345 U CN209228345 U CN 209228345U
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- bullet block
- connecting cylinder
- gas well
- block matrix
- liquid nitrogen
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Abstract
The utility model proposes a kind of gas well Intelligent Plunger mining devices, including the fishing head successively installed from top to bottom, upper bullet block, upper connecting cylinder, lower bullet block, lower connecting cylinder and liquid nitrogen storage barrel, fishing head lower part passes through pin with upper connecting cylinder top respectively and is connected with the upper and lower ends of upper bullet block matrix, several upper springs are installed by spring pin between upper bullet block and upper bullet block matrix, upper connecting cylinder lower part passes through pin with lower connecting cylinder top respectively and is connected with the upper and lower ends of lower bullet block matrix, several lower springs are installed by spring pin between lower bullet block and lower bullet block matrix, lower connecting cylinder bottom end is equipped with nitrogen spout, liquid nitrogen stores drum outer wall and is close to upper bullet block matrix, upper connecting cylinder, the inner wall of lower bullet block matrix and lower connecting cylinder is installed, check valve is installed at the top of liquid nitrogen storage barrel, install aperture tunable switch apparatus in bottom, the utility model passes through It controls liquid nitrogen to spray, plunger mining ability is improved, to realize gas well steady production.
Description
Technical field
The utility model belong to the construction of natural gas fields technical field more particularly to a kind of gas well Intelligent Plunger mining device.
Background technique
With the extension of gas well mining time, gas well yield will decline because of the deficiency of stratum supply capacity, make well
Gas flow rate reduces and can not carry out hydrops existing for shaft bottom in cylinder, water logging phenomenon finally occurs, so that gas well be made to be forced to close
Well develops gas well benefit and generates strong influence.There are many kinds of gas well water drainage-gas recovery technologies, and it is raw to be separately adapted to gas well difference
In the production stage, wherein plunger mining technique can make full use of stratum energy, extend the gas well self-spray period, and disposable less investment and
Later maintenance cost is low, is a kind of technology being widely used.Since fracturing reform early period needs, in the well of shale gas well
Mouth has been respectively mounted big orifice slide valve, seal operation cylinder has also been respectively mounted on completion tubular column, special shaft structure makes in reality
Three problems are faced when applying plunger lift: first is that well head, there are expanding, plunger can lose righting in operation to well head, being caused partially
The heart, traditional plunger can not reach well head capturing device in addition can not rerun can in oil pipe, cause plunger lift interrupt or
Failure；Second is that there are undergauges in well, the rigid plunger that can routinely run in blank tubing can not be by undergauge, or even thing occurs
Therefore even if having carried out shrinkable improvement to plunger, it similarly will lead to and a large amount of leakage occur when plunger is by seal operation cylinder
It loses, plunger lift is made to lose meaning；Third is that when stratum energy reduce, wellbore effusion be more than upper end face it is more when, merely according to
It is not enough to upper top force and the upper end fluid column by stratum energy, additional measure is needed to activate gas well.Above-mentioned is several
Problem leads to the job requirement that shale gas well is unable to satisfy using conventional plunger.
Summary of the invention
The technical problem to be solved by the utility model is in view of the above problems, provide a kind of gas well intelligent pole
Mining device is filled in, the validity period that gas well implements plunger gas well can be effectively extended.
The utility model solves technical solution used by above-mentioned technical problem: a kind of gas well Intelligent Plunger mining dress
Set, which is characterized in that including successively install from top to bottom fishing head, upper bullet block, upper connecting cylinder, lower bullet block, lower connecting cylinder and
Liquid nitrogen storage barrel, the fishing head lower part and the upper connecting cylinder top pass through the upper and lower ends of pin Yu upper bullet block matrix respectively
It is connected, the upper and lower ends of the upper bullet block are connected with fishing head bottom end and upper connecting cylinder top respectively, upper bullet block and upper bullet block base
Several upper springs are installed by spring pin between body, upper connecting cylinder lower part and the lower connecting cylinder top pass through respectively pin with
The upper and lower ends of lower bullet block matrix are connected, the upper and lower ends of the lower bullet block respectively with upper connecting cylinder bottom end and lower connecting cylinder top
It is connected, several lower springs is installed by spring pin between lower bullet block and lower bullet block matrix, lower connecting cylinder bottom end is sprayed equipped with nitrogen
Mouthful, the inner wall that the liquid nitrogen storage drum outer wall is close to upper bullet block matrix, upper connecting cylinder, lower bullet block matrix and lower connecting cylinder is installed,
Check valve is installed at the top of liquid nitrogen storage barrel, aperture tunable switch apparatus is installed in bottom.
According to the above scheme, the aperture tunable switch apparatus include pressure sensor, velocity sensor, PLC controller and
The output end of motor-driven valve, the pressure sensor and velocity sensor is connected with the input terminal of PLC controller, the motor-driven valve
It is connected with the output end of PLC controller.
According to the above scheme, the nitrogen spout is cone cylinder structure.
According to the above scheme, the upper and lower bullet block is the arc elastic ring plate of intermediate evagination, and the both ends of upper and lower bullet block are equal
Equipped with lug, the top of the fishing head bottom end, the both ends of upper connecting cylinder and lower connecting cylinder is equipped with stage portion, the lug and
The clamping of stage portion phase configuration.
A kind of gas well Intelligent Plunger mining construction method, which comprises the steps of:
When drop in formation pressure, plunger upper part liquid level is excessively high cause plunger cannot effective uplink, pressure sensor, speed
Sensor transmits a signal to PLC controller, and PLC controller controls valve of electric valve and opens, and nitrogen is sprayed from nitrogen spout, mentions
The thrust of high plunger uplink acts plunger and puts into again after injecting appropriate liquid nitrogen when nitrogen runs out of during gaslift
It uses.
The beneficial effects of the utility model are: a kind of 1, gas well Intelligent Plunger mining device and construction method, pass through release
The liquid nitrogen of storage in the device can supplement certain energy for pit shaft, to extend the validity period that gas well implements plunger gas well；
2, it can be designed by two with the bullet block formula plunger combination of contraction distortion, further increase the lifting efficiency of gas well, it is raw for gas well
The water pumping gas production that post-partum period has deformation well provides solution；It 3, can be real by the intelligent chip for being mounted on inside device
Automatic detection, storage and the calculating analysis of existing shaft bottom production, are conducive to science diagnosis gas well liquid loading situation and issue instruction；4, it adopts
Take fill-type that liquid nitrogen is installed, easy to operate, personnel needed for saving the gaslift of conventional plunger later period and installation cost further mention
The economy of setting prop plug mining technology.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model.
Specific embodiment
To more fully understand the utility model, with reference to the accompanying drawings and examples to the utility model further description.
The stratum energy that the utility model has larger variable diameter and gas well liquid loading later period to occur for completion tubular column is low and well
The concrete condition of cylinder deformation, proposing one kind can be with the mining device and construction method of automatic implementation gaslift, not only can be in gas
In the case that well production later period conventional plunger has been unable to run, underground column is stored in by the release of underground aperture tunable switch apparatus
Liquid nitrogen in plug device expands through nitrogen spout by liquid nitrogen gasification, and then increases gas well instantaneous flow, to improve in pit shaft
Gas flow rate by Plunger Lift to pit shaft and realizes gas well quick fluid-discharge.During gas well liquid loading, underground aperture rearrangeable switch
Device is by pressure and velocity measuring and calculates analysis, differentiates wellbore effusion situation, and issues liquid nitrogen and release order and open nitrogen
Motor-driven valve is discharged, plunger mining ability is improved, to realize gas well steady production.
A kind of gas well Intelligent Plunger mining device, which is characterized in that including successively install from top to bottom fishing head 1, on
Bullet block 4, upper connecting cylinder 7, lower bullet block 8, lower connecting cylinder 11 and liquid nitrogen storage barrel 3, fishing head lower part and upper connecting cylinder top are distinguished
Be connected by pin with the upper and lower ends of upper bullet block matrix 12, the upper and lower ends of upper bullet block respectively with fishing head bottom end and upper connection
Cylinder top is connected, and installs several upper springs 5 by spring pin 6 between upper bullet block and upper bullet block matrix, upper connecting cylinder lower part with
Lower connecting cylinder top passes through pin respectively and is connected with the upper and lower ends of lower bullet block matrix 13, the upper and lower ends of lower bullet block respectively with it is upper
Connecting cylinder bottom end and lower connecting cylinder top are connected, and install several lower bullets by spring pin between lower bullet block and lower bullet block matrix
Spring, lower connecting cylinder bottom end are equipped with nitrogen spout 10, and liquid nitrogen stores drum outer wall and is close to upper bullet block matrix, upper connecting cylinder, lower bullet block base
The inner wall of body and lower connecting cylinder is installed, and installs check valve 2 at the top of liquid nitrogen storage barrel, is filled with convenient for liquid nitrogen and is kept liquid nitrogen not outer
It lets out, aperture tunable switch apparatus 9 is installed in bottom.
Aperture tunable switch apparatus includes pressure sensor, velocity sensor, PLC controller and motor-driven valve, pressure sensing
The output end of device and velocity sensor is connected with the input terminal of PLC controller, the output end phase of motor-driven valve and PLC controller
Even.
Nitrogen spout is cone cylinder structure.
Upper and lower bullet block is the arc elastic ring plate of intermediate evagination, and the both ends of upper and lower bullet block are equipped with lug, fishing head
The top of bottom end, the both ends of upper connecting cylinder and lower connecting cylinder is equipped with stage portion, lug and the clamping of stage portion phase configuration.Above and below
For spring when bullet block is not by external force, upper and lower spring jacks up bullet block outward, guarantees upper and lower plunger bullet block and pipe string internal wall
It is bonded, forms certain leakproofness；When the place that plunger needed to have undergauge, upper bullet block is under external force to center
One side compression of pipe, upper spring are in compressive state, at this point, lower plunger bullet block and pipe string internal wall form preferable leakproofness not by shadow
It rings；When upper plug is by the way that at undergauge, the pop-up of upper plug bullet block ensures preferable leakproofness, lower plunger can also pass through undergauge
Place.
Fishing head top is boss mechanism, mainly to be taken when the abnormal conditions such as sand card occur for plunger using steel wire operation
Downhole tool out.
The implementation steps of the utility model are as follows: needing to implement the shale gas well installation steel wire operation blowout prevention of plunger mining
Pipe, and according to the dimensional parameters of downhole production string size, well head gas producing device latus rectum and plunger, using suitable gauguste cutter,
It connects at drifting tool string and drifting to plunger depth of setting.If can normally drifting be put into well suitable to projected depth
The fastener matched, and gas wellhead equipment is installed, the electrified workflow reengineering of ground control unit is completed, plunger is put into capture
In device, after determining that production procedure is poured into place, standard-sized sheet well valve opens catcher switch, plunger is allowed to automatically fall into well.Work as well
Mouthful casing pressure shut-in reaches when driving a well pressure, and plunger controller opens membrane valve by Pneumatic pressure signal, carries out opening well and making production.It arrives
Later period, in lifting process, when drop in formation pressure, plunger upper part liquid level is excessively high cause plunger cannot effective uplink, pressure
Force snesor, velocity sensor transmit a signal to PLC controller, and PLC controller controls valve of electric valve and opens, and nitrogen is from nitrogen
Gas blowout mouth sprays, and improves the thrust of plunger uplink, when nitrogen runs out of during gaslift, acts plunger, injects appropriate liquid
After nitrogen, come into operation again.
Claims (4)
1. a kind of gas well Intelligent Plunger mining device, which is characterized in that including fishing head, the upper bullet successively installed from top to bottom
Block, upper connecting cylinder, lower bullet block, lower connecting cylinder and liquid nitrogen storage barrel, the fishing head lower part and the upper connecting cylinder top are distinguished
Be connected by pin with the upper and lower ends of upper bullet block matrix, the upper and lower ends of the upper bullet block respectively with fishing head bottom end and upper company
Connect cylinder top is connected, and installs several upper springs by spring pin between upper bullet block and upper bullet block matrix, upper connecting cylinder lower part and
The lower connecting cylinder top passes through pin respectively and is connected with the upper and lower ends of lower bullet block matrix, the upper and lower ends point of the lower bullet block
It is not connected with upper connecting cylinder bottom end and lower connecting cylinder top, is installed between lower bullet block and lower bullet block matrix by spring pin several
Lower spring, lower connecting cylinder bottom end are equipped with nitrogen spout, liquid nitrogen storage drum outer wall be close to upper bullet block matrix, upper connecting cylinder, under
The inner wall of bullet block matrix and lower connecting cylinder is installed, and check valve is installed at the top of liquid nitrogen storage barrel, and aperture rearrangeable switch dress is installed in bottom
It sets.
2. a kind of gas well Intelligent Plunger mining device according to claim 1, which is characterized in that the aperture rearrangeable switch
Device includes pressure sensor, velocity sensor, PLC controller and motor-driven valve, the pressure sensor and velocity sensor
Output end is connected with the input terminal of PLC controller, and the motor-driven valve is connected with the output end of PLC controller.
3. a kind of gas well Intelligent Plunger mining device according to claim 1, which is characterized in that the nitrogen spout is cone
Barrel structure.
4. a kind of gas well Intelligent Plunger mining device according to claim 1, which is characterized in that the upper and lower bullet block is equal
For the arc elastic ring plate of intermediate evagination, the both ends of upper and lower bullet block are equipped with lug, the fishing head bottom end, upper connecting cylinder
Both ends and the top of lower connecting cylinder are equipped with stage portion, the lug and the clamping of stage portion phase configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867309.0U CN209228345U (en) | 2018-11-13 | 2018-11-13 | A kind of gas well Intelligent Plunger mining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867309.0U CN209228345U (en) | 2018-11-13 | 2018-11-13 | A kind of gas well Intelligent Plunger mining device |
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| Publication Number | Publication Date |
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| CN209228345U true CN209228345U (en) | 2019-08-09 |
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| CN201821867309.0U Active CN209228345U (en) | 2018-11-13 | 2018-11-13 | A kind of gas well Intelligent Plunger mining device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209305A (en) * | 2018-11-13 | 2019-01-15 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | A kind of gas well Intelligent Plunger mining device and construction method |
| CN113417607A (en) * | 2021-08-05 | 2021-09-21 | 北京中海沃邦能源投资有限公司石楼分公司 | Continuous pressure-increasing drainage and production equipment for low-pressure high-yield water well |
| CN114370258A (en) * | 2021-12-21 | 2022-04-19 | 西南石油大学 | Single-valve differential pressure type water drainage gas production plunger |
-
2018
- 2018-11-13 CN CN201821867309.0U patent/CN209228345U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209305A (en) * | 2018-11-13 | 2019-01-15 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | A kind of gas well Intelligent Plunger mining device and construction method |
| CN109209305B (en) * | 2018-11-13 | 2023-10-13 | 中国石油化工股份有限公司 | Intelligent plunger drainage and production device for gas well and construction method |
| CN113417607A (en) * | 2021-08-05 | 2021-09-21 | 北京中海沃邦能源投资有限公司石楼分公司 | Continuous pressure-increasing drainage and production equipment for low-pressure high-yield water well |
| CN113417607B (en) * | 2021-08-05 | 2023-02-21 | 北京中海沃邦能源投资有限公司石楼分公司 | Continuous pressure-increasing drainage and production equipment for low-pressure high-yield water well |
| CN114370258A (en) * | 2021-12-21 | 2022-04-19 | 西南石油大学 | Single-valve differential pressure type water drainage gas production plunger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191226 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: PETROLEUM ENGINEERING TECHNOLOGY RESEARCH INSTITUTE, JIANGHAN OILFIELD BRANCH OF CHINA PETROCHEMICAL CORPORATION Patentee after: China Petrochemical Co., Ltd. Address before: 430035 Hubei city in Wuhan province two Qiaokou Gutian Road No. 37 HSBC Nanniwan Avenue headquarters block fifth B Patentee before: PETROLEUM ENGINEERING TECHNOLOGY RESEARCH INSTITUTE, JIANGHAN OILFIELD BRANCH OF CHINA PETROCHEMICAL CORPORATION |
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| TR01 | Transfer of patent right |