CN204312029U - Water drainage gas production device - Google Patents
Water drainage gas production device Download PDFInfo
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- CN204312029U CN204312029U CN201420642569.3U CN201420642569U CN204312029U CN 204312029 U CN204312029 U CN 204312029U CN 201420642569 U CN201420642569 U CN 201420642569U CN 204312029 U CN204312029 U CN 204312029U
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- gas production
- water drainage
- production device
- drainage gas
- liquid pipe
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Abstract
The utility model relates to a kind of water drainage gas production device, it forms formation fluid runner by described hydraulic planger pump, described tail pipe and described outlet pipe, described Surface power drive station and described well dynamic liquid pipe, described in return liquid pipe and described hydraulic planger pump forms power fluid circulation canal.Described formation fluid is discharged by independent passage by described water drainage gas production device, avoids side-abrasion of rod string, causes fault.The utility model utilizes low cost, simple apparatus structure and convenient easy operation to discharge described formation fluid, improve the operating efficiency of described water drainage gas production device, reduce unit failure, extend pump detection period, avoid side-abrasion of rod string, the water pumping gas production of the multiple mines such as horizontal well, inclined shaft, directional well, cluster well can be widely used in.
Description
Technical field
The utility model relates to mechanical transfer field, is specifically related to a kind of water drainage gas production device.
Background technology
Coal bed gas is a kind of accompaniment of coal in generative process, is the clean new forms of energy of high-quality that value is very high.Along with the development of society, owing to also increasingly paying attention to developing the problem of environmental pollution that causes of the energy, therefore coal bed gas have also been obtained people and more and more pays close attention to and demand; In China, coal bed gas has been included into the important carrier promoting production of energy and consumption revolution.
In recent years because social development needs, along with improving constantly of coal bed gas well drainage gas recovery, people start to pay close attention to cost of winning, and iting is desirable to work out can to reduce costs water pumping gas production method for main target and device.Have a large amount of formation fluid outputs in coal-bed gas exploitation process, and these formation fluid can produce loss to the pipe bar of water drainage gas production device, the corrosion of formation fluid can accelerate the eccentric wear speed of pipe bar; And corrosion and eccentric wear also can promote mutually, when accelerating after its be corroded speed and pipe bar be corroded after pipe bar weares and teares, its rate of wear also can be accelerated thereupon; Cause water drainage gas production device frequently to break down, repeat operation, the problem such as pump detection period shortening, cause operating cost to remain high.Chinese invention patent application CN2012102407348 discloses a kind of coal bed gas well concentric tube hydraulic piston mining device and method, this its mining device is made up of coal bed gas concentric tube hydraulic piston mining device down-hole pump group, pilot operated valve device and coal bed gas concentric tube hydraulic piston mining device above ground portion, utilize hydraulic oil pump to hydraulic injection pump fuel feeding under the drive of motor, hydraulic injection pump pumps.It adds multiple parts, utilizes loaded down with trivial details structure and method of operating to discharge formation fluid, to avoid the eccentric wear of pipe bar in the primary structure of mining device.Power fluid can only be discharged in well by this kind of this pump of transformation, can not flow back to ground, and changement fault is many, maintenance is many, considerably increases cost of production and the maintenance difficulty of water drainage gas production device, and is unfavorable for reducing operating cost.
Utility model content
The utility model needs the problem of prior art solved to be: prior art can not utilize that cost is low, the simple device of structure to discharge the formation fluid in coal seam and avoid causing because of side-abrasion of rod string water drainage gas production device frequently to break down, repeat operation, pump detection period is short.
Specifically, the utility model proposes following technical scheme.
The utility model provides a kind of water drainage gas production device, comprises ground installation, linkage and downhole hardware, and described ground installation, linkage, downhole hardware connect in turn.Wherein, described linkage comprises well dynamic liquid pipe and outlet pipe, and described downhole hardware comprises hydraulic planger pump; The described lower end of well dynamic liquid pipe is communicated with the upper end of described hydraulic planger pump with the lower end of described outlet pipe, and described well dynamic liquid pipe upper end is communicated with described ground installation.
Preferably, described linkage comprises and returns liquid pipe, described in return liquid pipe upper end be communicated with described ground installation, lower end is communicated with the upper end of described hydraulic planger pump.
Preferably, described downhole hardware comprises tail pipe, and the upper end of described tail pipe is communicated with described hydraulic planger pump lower end.
Preferably, described ground installation comprises Surface power drive station and wellhead assembly, and the upper end of described well dynamic liquid pipe is all communicated with described Surface power drive station by wellhead assembly with the described upper end returning liquid pipe.
Preferably, the upper port of described outlet pipe is above the ground level.
Preferably, described wellhead assembly is the wellhead assembly of band runner.
Water drainage gas production device of the present utility model comprises described ground installation, described linkage and described downhole hardware.The described power fluid that described Surface power drive station produces by described ground installation is delivered to by described linkage in the described hydraulic planger pump in described downhole hardware, promotes described hydraulic plunger pump work, moves reciprocatingly to realize the water pumping gas production function of water drainage gas production device.
In water drainage gas production device of the present utility model, the described tail pipe upper end of described downhole hardware is communicated with described hydraulic planger pump lower end, under described tail pipe lower end is placed in coal seam, facilitates the described formation fluid receiving described coal seam.The described outlet pipe of described linkage, described hydraulic planger pump and described tail pipe form a formation fluid runner.
In the described linkage of water drainage gas production device of the present utility model, described well dynamic liquid pipe is all communicated with the described Surface power drive station of described ground installation with the described upper end returning liquid pipe, lower end is all communicated with described hydraulic planger pump, to form an annular space, described power fluid can be made to flow in inner loop.
In water drainage gas production device of the present utility model, described ground installation by described wellhead assembly control described Surface power drive station and described well dynamic liquid pipe, described in return liquid pipe and whether be communicated with.
According to Pascal's theorem, the described hydraulic planger pump of the described downhole hardware of water drainage gas production device is utilized to pump to generation pressure, by the described tail pipe of described downhole hardware described pressure put on the described formation fluid in coal seam, described formation fluid is upwards drawn on ground by the runner formed by described tail pipe, described hydraulic planger pump and described outlet pipe.Concrete implementation step is as described below: the power fluid of generation is delivered in the described hydraulic planger pump of described downhole hardware by the described well dynamic liquid pipe be communicated with it by the described Surface power drive station of described ground installation, promotes described hydraulic plunger pump work; Described hydraulic planger pump moves reciprocatingly after starting working, produces pressure, the formation fluid in coal seam sucks in described downhole hardware by the tail pipe of the described downhole hardware connected by its lower end, then by the described outlet pipe of the described linkage be communicated with it, described formation fluid is delivered to ground.
The described power fluid produced is delivered in described hydraulic planger pump by described well dynamic liquid pipe by the described Surface power drive station of described ground installation, described hydraulic planger pump is pumped generation pressure, returns liquid pipe described in power fluid described in described Stress control passes through and flow back in described Surface power drive station, wait for that next time uses.The utility model utilizes the physical characteristic of up and down reciprocatingly shuttling movement that described power fluid is circulated in described annular space, to realize recycling of described power fluid.
Water drainage gas production device of the present utility model forms formation fluid runner by the described outlet pipe of the described hydraulic planger pump of described downhole hardware, described tail pipe and described linkage, the described Surface power drive station of described ground installation and the described well dynamic liquid pipe of described linkage, described in return liquid pipe and described downhole hardware described hydraulic planger pump form power fluid circulation canal.Described formation fluid is discharged by independent passage by described water drainage gas production device.The utility model utilizes described formation fluid runner described formation fluid to be drained into ground, realize recycling to described power fluid by described power fluid circulation canal.The utility model cost is low, the simple device of structure to be to realize discharging the function of formation fluid, improve the operating efficiency of water drainage gas production device, reduce unit failure, extend pump detection period, and it can be widely used in the water pumping gas production of the multiple mines such as horizontal well, inclined shaft, directional well, cluster well.
Below in conjunction with accompanying drawing and each detailed description of the invention, the utility model and Advantageous Effects thereof are described in detail, wherein:
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the operating diagram of the described hydraulic planger pump of embodiment 1.
In figure, description of reference numerals is as follows: 1-well dynamic liquid pipe, 2-return liquid pipe, 3-outlet pipe, 4-hydraulic planger pump, 5-tail pipe, 6-wellhead assembly, 7-coal seam, 8-artificial bottom of a well.
Detailed description of the invention
As mentioned above, the purpose of this utility model is: provide a kind of water drainage gas production device, the formation fluid that cost is low, the simple device of structure discharges coal seam and avoid causing because of side-abrasion of rod string water drainage gas production device frequently to break down, repeat operation, pump detection period is short.
Embodiment 1
With reference to shown in Fig. 1, the first water drainage gas production device that the utility model provides, comprises ground installation (not shown), linkage and downhole hardware, and described ground installation, described linkage, described downhole hardware connect in turn.Described ground installation comprises Surface power drive station and wellhead assembly 6, and described linkage comprises well dynamic liquid pipe 1, returns liquid pipe 2 and outlet pipe 3, and described downhole hardware comprises hydraulic planger pump 4 and tail pipe 5.The upper end of described well dynamic liquid pipe 1 is all communicated with described Surface power drive station with the described upper end returning liquid pipe 2, the lower end of described well dynamic liquid pipe 1, described in return liquid pipe 2 the lower end of lower end and described outlet pipe 3 be all communicated with the upper end of described hydraulic planger pump 4, the upper port of described outlet pipe 3 is above the ground level; The upper end of described tail pipe 5 is communicated with the lower end of described hydraulic planger pump 4, lower end be placed in coal seam 7 times, on artificial bottom of a well 8.Described wellhead assembly 6 is the wellhead assembly 6 of band runner.
Shown in seeing figures.1.and.2, when utilizing the water drainage gas production device of embodiment 1 to carry out water pumping gas production, described ground installation is produced power fluid by described Surface power drive station and is sent in the described well dynamic liquid pipe 1 in pit shaft by described power fluid by the wellhead assembly 6 of described band runner, and then described power fluid is delivered to the described hydraulic planger pump 4 being arranged in artificial bottom of a well 8 be communicated with described well dynamic liquid pipe 1; Described power fluid promotes described hydraulic planger pump 4 and starts working.Described hydraulic planger pump 4 pumps, produce pressure put on coal seam 7 under formation fluid, control the described tail pipe 5 that described formation fluid connect for 4 times by described hydraulic planger pump to be inhaled into, and deliver on ground by described outlet pipe 3, to realize the draining object of water drainage gas production device.At described hydraulic planger pump 4 while draining, return liquid pipe 2 described in being passed through by the described power fluid of its inside by pumping and turn back in ground described Surface power drive station, wait for that next time uses, to realize recycling of described power fluid.
Embodiment 2
The second water drainage gas production device that the utility model provides, comprises ground installation, linkage and downhole hardware, and described ground installation, described linkage, described downhole hardware connect in turn.Described ground installation comprises Surface power drive station and wellhead assembly 6, and described linkage comprises well dynamic liquid pipe 1, returns liquid pipe 2 and outlet pipe 3, and described downhole hardware comprises hydraulic planger pump 4 and tail pipe 5.The upper end of described well dynamic liquid pipe 1 is all communicated with described Surface power drive station with the described upper end returning liquid pipe 2, the lower end of described well dynamic liquid pipe 1, described in return liquid pipe 2 the lower end of lower end and described outlet pipe 3 be all communicated with the upper end of described hydraulic planger pump 4, the upper port of described outlet pipe 3 is above the ground level; The upper end of described tail pipe 5 is communicated with the lower end of described hydraulic planger pump 4, lower end be placed in coal seam 7 times, on artificial bottom of a well 8.
When utilizing the water drainage gas production device of embodiment 2 to carry out water pumping gas production, described ground installation is produced power fluid by described Surface power drive station and is sent in the described well dynamic liquid pipe 1 in pit shaft by described power fluid by described wellhead assembly 6, and then described power fluid is delivered to the described hydraulic planger pump 4 being arranged in artificial bottom of a well 8 be communicated with described well dynamic liquid pipe 1; Described power fluid promotes described hydraulic planger pump 4 and starts working.Described hydraulic planger pump 4 pumps, produce pressure put on coal seam 7 under formation fluid, control the described tail pipe 5 that described formation fluid connect for 4 times by described hydraulic planger pump to suck, and deliver on ground by described outlet pipe 3, to realize the draining object of water drainage gas production device.At described hydraulic planger pump 4 while draining, return liquid pipe 2 described in being passed through by the described power fluid of its inside by pumping and turn back in ground described Surface power drive station, wait for that next time uses, to realize recycling of described power fluid.
When utilizing the water drainage gas production device of embodiment 2 to carry out water pumping gas production, its function, operation all identical with embodiment 1.
Embodiment 3
The third water drainage gas production device that the utility model provides, comprises ground installation, linkage and downhole hardware, and described ground installation, described linkage, described downhole hardware connect in turn.Described ground installation comprises Surface power drive station and wellhead assembly 6, and described linkage comprises well dynamic liquid pipe 1, returns liquid pipe 2 and outlet pipe 3, and described downhole hardware comprises hydraulic planger pump 4.The upper end of described well dynamic liquid pipe 1 is all communicated with described Surface power drive station with the described upper end returning liquid pipe 2, the lower end of described well dynamic liquid pipe 1, described in return liquid pipe 2 the lower end of lower end and described outlet pipe 3 be all communicated with the upper end of described hydraulic planger pump 4, the upper port of described outlet pipe 3 is above the ground level.Described wellhead assembly 6 is the wellhead assembly 6 of band runner.
When utilizing the water drainage gas production device of embodiment 3 to carry out water pumping gas production, described ground installation is produced power fluid by described Surface power drive station and is sent in the described well dynamic liquid pipe 1 in pit shaft by described power fluid by the wellhead assembly 6 of described band runner, and then described power fluid is delivered to the described hydraulic planger pump 4 being arranged in artificial bottom of a well 8 be communicated with described well dynamic liquid pipe 1; Described power fluid promotes described hydraulic planger pump 4 and starts working.Described hydraulic planger pump 4 pumps, produce pressure put on coal seam 7 under formation fluid, control described formation fluid and sucked by described hydraulic planger pump 4, and deliver on ground by described outlet pipe 3, to realize the draining object of water drainage gas production device.At described hydraulic planger pump 4 while draining, return liquid pipe 2 described in being passed through by the described power fluid of its inside by pumping and turn back in ground described Surface power drive station, wait for that next time uses, to realize recycling of described power fluid.
When the water drainage gas production device water pumping gas production utilizing embodiment 3, its function, operation all identical with embodiment 1.
Claims (9)
1. a water drainage gas production device, comprises ground installation, linkage and downhole hardware, and described ground installation, linkage, downhole hardware connect in turn; It is characterized in that: described linkage comprises well dynamic liquid pipe (1) and outlet pipe (3), and described downhole hardware comprises hydraulic planger pump (4); The lower end of described well dynamic liquid pipe (1) is all communicated with the upper end of described hydraulic planger pump (4) with the lower end of described outlet pipe (3), and described well dynamic liquid pipe (1) upper end is communicated with described ground installation.
2. water drainage gas production device according to claim 1, it is characterized in that: described linkage comprises and returns liquid pipe (2), the described upper end returning liquid pipe (2) is communicated with described ground installation, and lower end is communicated with the upper end of described hydraulic planger pump (4).
3. water drainage gas production device according to claim 1, is characterized in that: described downhole hardware comprises tail pipe (5), and the upper end of described tail pipe (5) is communicated with described hydraulic planger pump (4) lower end.
4. water drainage gas production device according to claim 2, is characterized in that: described downhole hardware comprises tail pipe (5), and the upper end of described tail pipe (5) is communicated with described hydraulic planger pump (4) lower end.
5. the water drainage gas production device according to claim 2 or 4, it is characterized in that: described ground installation comprises Surface power drive station and wellhead assembly (6), the upper end of described well dynamic liquid pipe (1) is all communicated with described Surface power drive station by wellhead assembly (6) with the described upper end returning liquid pipe (2).
6., according to the arbitrary described water drainage gas production device of claim 1-4, it is characterized in that: the upper port of described outlet pipe (3) is above the ground level.
7. water drainage gas production device according to claim 5, is characterized in that: the upper port of described outlet pipe (3) is above the ground level.
8. water drainage gas production device according to claim 5, is characterized in that: described wellhead assembly (6) is the wellhead assembly (6) of band runner.
9. water drainage gas production device according to claim 7, is characterized in that: described wellhead assembly (6) is the wellhead assembly (6) of band runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420642569.3U CN204312029U (en) | 2014-10-30 | 2014-10-30 | Water drainage gas production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420642569.3U CN204312029U (en) | 2014-10-30 | 2014-10-30 | Water drainage gas production device |
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| Publication Number | Publication Date |
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| CN204312029U true CN204312029U (en) | 2015-05-06 |
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| CN201420642569.3U Active CN204312029U (en) | 2014-10-30 | 2014-10-30 | Water drainage gas production device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533358A (en) * | 2014-10-30 | 2015-04-22 | 中矿瑞杰(北京)科技有限公司 | Drainage gas recovery method and device |
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2014
- 2014-10-30 CN CN201420642569.3U patent/CN204312029U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533358A (en) * | 2014-10-30 | 2015-04-22 | 中矿瑞杰(北京)科技有限公司 | Drainage gas recovery method and device |
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