CN112610189A - Synchronous rotary drainage gas production device for gas well mouth - Google Patents
Synchronous rotary drainage gas production device for gas well mouth Download PDFInfo
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- CN112610189A CN112610189A CN202011350683.5A CN202011350683A CN112610189A CN 112610189 A CN112610189 A CN 112610189A CN 202011350683 A CN202011350683 A CN 202011350683A CN 112610189 A CN112610189 A CN 112610189A
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- Prior art keywords
- buffer tank
- synchronous rotary
- rotary pump
- pump group
- production device
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/122—Gas lift
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a synchronous rotary drainage gas production device for a gas well mouth, which comprises a base, wherein a first synchronous rotary pump set and a second synchronous rotary pump set are symmetrically arranged on the base; an intermediate buffer tank and a discharge buffer tank are arranged between the first synchronous rotary pump group and the second synchronous rotary pump group; a third buffer tank and a fourth buffer tank are arranged between the middle buffer tank and the discharge buffer tank; a first buffer tank and a second buffer tank are installed on one side of the first synchronous rotary pump set, and an oil cooling device is installed on one side of the second synchronous rotary pump set; each pump group is communicated with the tank body through a connecting pipeline.
Description
Technical Field
The invention belongs to the technical field of gas field wellhead yield increasing equipment, and relates to a synchronous rotary drainage gas production device for a gas well wellhead.
Background
Most gas well effluents contain water or condensate and as gas well pressure and production fall, the gas cannot effectively carry the liquid out so that the liquid begins to accumulate in the string. The gradual accumulation of fluids in gas wells further results in decreased production, shortened production times, and even production outages.
At present, the existing foam and plunger drainage gas production technologies in China are measures for drainage gas production by utilizing the self energy of a gas well, and the problems that the gas well is subjected to liquid accumulation again frequently after liquid accumulation is discharged for a short time, the effective continuous production stability cannot be realized and the like exist.
Disclosure of Invention
The invention aims to provide a synchronous rotary drainage gas production device for a gas well mouth, which supplements energy to a gas well by pressurizing through a synchronous rotary pump and solves the problem that conventional measures cannot effectively and continuously stabilize the yield.
The invention adopts the technical scheme that the synchronous rotary drainage gas production device for the wellhead of the gas well comprises a base, wherein a first synchronous rotary pump group and a second synchronous rotary pump group are symmetrically arranged on the base; an intermediate buffer tank and a discharge buffer tank are arranged between the first synchronous rotary pump group and the second synchronous rotary pump group; a third buffer tank and a fourth buffer tank are arranged between the middle buffer tank and the discharge buffer tank; a first buffer tank and a second buffer tank are installed on one side of the first synchronous rotary pump set, and an oil cooling device is installed on one side of the second synchronous rotary pump set; each pump group is communicated with the tank body through a connecting pipeline.
The first synchronous rotary pump group and the second synchronous rotary pump group are arranged along the diagonal line of the base.
The discharge buffer tank is positioned at one side close to the second synchronous rotary pump group, and the middle buffer tank is positioned at one side close to the first synchronous rotary pump group.
The first buffer tank is provided with a bypass and directly outputs to a production pipe network.
The discharge buffer tank is provided with a bypass for outputting fuel gas and is connected with the fourth buffer tank.
The first buffer tank, the second buffer tank and the third buffer tank are communicated in sequence, the third buffer tank is connected with a first synchronous rotary pump group, and the first synchronous rotary pump group is communicated with the middle buffer tank and then connected with a second synchronous rotary pump group; and the second synchronous rotary pump set is connected with the discharge buffer tank and then is output to a wellhead casing.
And the lubricating oil discharged from the buffer tank is cooled by the oil cooling device and then returns to the first synchronous rotary pump set.
The invention has the beneficial effects that:
compared with the conventional foam drainage, speed string and plunger gas lift gas production measures, the synchronous rotary drainage gas production device can supplement energy for the well bottom through the synchronous rotary pump set besides relying on the energy of the gas well, so that the flow of the well head is improved, the liquid carrying capacity is improved, and a better drainage effect is achieved. The synchronous rotation water drainage and gas production device is balanced and reasonable in equipment arrangement, large in reserved space, convenient to maintain and convenient to hoist and transport.
Drawings
FIG. 1 is an elevation view of a synchronous rotary drainage gas production apparatus for a gas well wellhead of the present invention;
FIG. 2 is a top view of the synchronous rotary drainage gas production device for a gas well wellhead of the present invention;
FIG. 3 is a left side view of the synchronous rotary drainage gas production apparatus for a gas well wellhead of the present invention;
FIG. 4 is a right side view of the synchronous rotary drainage gas production apparatus for a gas well wellhead of the present invention;
fig. 5 is a schematic pipeline flow diagram of the synchronous rotary drainage gas production device for the wellhead of the gas well.
In the figure, 1, a base, 2, a first synchronous rotary pump group, 3, a second synchronous rotary pump group, 4, a first buffer tank, 5, a second buffer tank, 6, a third buffer tank, 7, a fourth buffer tank, 8, an intermediate buffer tank, 9, a discharge buffer tank, 10, an oil cooling device and 11 are connected with a pipeline.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-4, a synchronous rotary drainage gas production device for a gas well wellhead comprises a base 1, wherein a first synchronous rotary pump group 2 and a second synchronous rotary pump group 3 are symmetrically arranged on the base 1; an intermediate buffer tank 8 and a discharge buffer tank 9 are arranged between the first synchronous rotary pump group 2 and the second synchronous rotary pump group 3; a third buffer tank 6 and a fourth buffer tank 7 are arranged between the middle buffer tank 8 and the discharge buffer tank 9; a first buffer tank 4 and a second buffer tank 5 are installed on one side of the first synchronous rotary pump group 2, and an oil cooling device 10 is installed on one side of the second synchronous rotary pump group 3; the pump groups are communicated with the tank body through connecting pipelines 11.
The oil cooling device 10 cools the lubricating oil in an air cooling mode to reduce the oil temperature; the intermediate buffer tank 8 is used for buffering pressure pulsation of one-stage compression of the first synchronous swing pump group 2.
The base 1 is the installation basis of other equipment, provides the mounting platform for whole device.
The first and second synchronous swing pump groups 2 and 3 are arranged along a diagonal line of the base 1. The first synchronous rotary pump group 2 is used for compressing a gas-liquid medium to reach designed interstage pressure in a first stage, and the second synchronous rotary pump group 3 is used for compressing the medium discharged by the first-stage compression of the first synchronous rotary pump group 2 in a second stage to reach required discharge pressure.
The discharge buffer tank 9 is positioned at one side close to the second synchronous rotary pump group 3, and the middle buffer tank 8 is positioned at one side close to the first synchronous rotary pump group 2.
The first buffer tank 4 is provided with a bypass and directly outputs to a production pipe network.
The discharge buffer tank 9 is provided with a bypass for transporting fuel gas to the outside and is connected to the fourth buffer tank 7.
The fourth buffer tank 7 provides fuel gas for the natural gas generator.
The first buffer tank 4, the second buffer tank 5 and the third buffer tank 6 are communicated in sequence, the third buffer tank 6 is connected with the first synchronous rotary pump group 2, and the first synchronous rotary pump group 2 is connected with the second synchronous rotary pump group 3 after being communicated with the middle buffer tank 8; the second synchronous rotary pump unit 3 is connected with the discharge buffer tank 9 and then is output to a wellhead casing.
The first buffer tank 4, the second buffer tank 5 and the third buffer tank 6 are used for buffering pressure mutation of air inlet and slug flow, and partial stranded water is removed and settled to the bottom of the pipe by utilizing the height of the tank body. The top of the tank body is exhausted, and the bottom of the tank body is connected to an external pipeline.
The lubricating oil discharged from the buffer tank 9 is cooled by an oil cooling device 10 and then returned to the first synchronous swing pump group 2.
The invention relates to a synchronous rotary drainage gas production device for a gas well mouth, which comprises the following working processes:
the flow of the connecting pipeline 11 is schematically shown in fig. 5, gas coming from a gas well sequentially enters a first buffer tank 4, a second buffer tank 5 and a third buffer tank 6, then enters a first synchronous rotary pump set 2, is pressurized, enters a middle buffer tank 8, enters a second synchronous rotary pump set 3 after being buffered, is pressurized in a second stage, is output to a discharge buffer tank 9, and is output to a wellhead casing after being buffered. The lubricating oil in the buffer tank 9 is discharged, cooled by the oil cooling device 10, and returned to the intake line of the first synchronous swing pump group 2. The first buffer tank 4 is provided with a bypass and directly outputs to a production pipe network. A bypass is arranged on an outgoing pipeline of the discharge buffer tank 9, and the gas enters the fourth buffer tank 7 for outgoing fuel gas.
Claims (7)
1. A synchronous rotary drainage gas production device for a gas well mouth is characterized by comprising a base (1), wherein a first synchronous rotary pump set (2) and a second synchronous rotary pump set (3) are symmetrically arranged on the base (1); an intermediate buffer tank (8) and a discharge buffer tank (9) are arranged between the first synchronous rotary pump group (2) and the second synchronous rotary pump group (3); a third buffer tank (6) and a fourth buffer tank (7) are arranged between the middle buffer tank (8) and the discharge buffer tank (9); a first buffer tank (4) and a second buffer tank (5) are installed on one side of the first synchronous rotary pump set (2), and an oil cooling device (10) is installed on one side of the second synchronous rotary pump set (3); the pump groups are communicated with the tank body through a connecting pipeline (11).
2. The synchronous rotary drainage gas production device for the wellhead of the gas well is characterized in that the first synchronous rotary pump group (2) and the second synchronous rotary pump group (3) are arranged along the diagonal line of the base (1).
3. The synchronous rotary drainage gas production device for the wellhead of the gas well is characterized in that the drainage buffer tank (9) is positioned on the side close to the second synchronous rotary pump group (3), and the middle buffer tank (8) is positioned on the side close to the first synchronous rotary pump group (2).
4. The synchronous rotary drainage gas production device for the wellhead of the gas well is characterized in that the first buffer tank (4) is provided with a bypass and directly outputs to a production pipe network.
5. The synchronous rotary drainage gas production device for the wellhead of the gas well is characterized in that the discharge buffer tank (9) is provided with a bypass for outputting fuel gas and is connected with the fourth buffer tank (7).
6. The synchronous rotary drainage gas production device for the gas well wellhead as claimed in claim 1, wherein the first buffer tank (4), the second buffer tank (5) and the third buffer tank (6) are communicated in sequence, the third buffer tank (6) is connected with the first synchronous rotary pump set (2), and the first synchronous rotary pump set (2) is connected with the second synchronous rotary pump set (3) after being communicated with the middle buffer tank (8); the second synchronous rotary pump set (3) is connected with the discharge buffer tank (9) and then is output to a wellhead casing.
7. The synchronous rotary drainage gas production device for the wellhead of the gas well is characterized in that lubricating oil discharged from the buffer tank (9) is cooled by the oil cooling device (10) and then returns to the first synchronous rotary pump group (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011350683.5A CN112610189A (en) | 2020-11-26 | 2020-11-26 | Synchronous rotary drainage gas production device for gas well mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011350683.5A CN112610189A (en) | 2020-11-26 | 2020-11-26 | Synchronous rotary drainage gas production device for gas well mouth |
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| Publication Number | Publication Date |
|---|---|
| CN112610189A true CN112610189A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011350683.5A Pending CN112610189A (en) | 2020-11-26 | 2020-11-26 | Synchronous rotary drainage gas production device for gas well mouth |
Country Status (1)
| Country | Link |
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| CN (1) | CN112610189A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4159036A (en) * | 1978-06-08 | 1979-06-26 | Kobe, Inc. | High pressure cleaning and pumping method and apparatus for oil well production |
| US20080190025A1 (en) * | 2007-02-12 | 2008-08-14 | Donald Leo Stinson | Natural gas processing system |
| CN202064905U (en) * | 2011-05-13 | 2011-12-07 | 中国石油天然气股份有限公司 | Gas lift liquid drainage device of vehicle-mounted natural gas compressor |
| CN204754883U (en) * | 2015-06-17 | 2015-11-11 | 大丰丰泰流体机械科技有限公司 | Well head synchronal rotary drainage supercharging device |
| CN109854214A (en) * | 2019-03-08 | 2019-06-07 | 江苏丰泰流体机械科技有限公司 | A kind of synchronous revolving water drainage gas production device |
| CN209277859U (en) * | 2018-12-26 | 2019-08-20 | 江苏丰泰流体机械科技有限公司 | Compactness oil gas field well head synchronous revolving increasing device |
| US10519983B1 (en) * | 2018-06-11 | 2019-12-31 | Liftrock Llc | Methods and apparati for quickset gas lift separation and liquid storage |
-
2020
- 2020-11-26 CN CN202011350683.5A patent/CN112610189A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4159036A (en) * | 1978-06-08 | 1979-06-26 | Kobe, Inc. | High pressure cleaning and pumping method and apparatus for oil well production |
| US20080190025A1 (en) * | 2007-02-12 | 2008-08-14 | Donald Leo Stinson | Natural gas processing system |
| CN202064905U (en) * | 2011-05-13 | 2011-12-07 | 中国石油天然气股份有限公司 | Gas lift liquid drainage device of vehicle-mounted natural gas compressor |
| CN204754883U (en) * | 2015-06-17 | 2015-11-11 | 大丰丰泰流体机械科技有限公司 | Well head synchronal rotary drainage supercharging device |
| US10519983B1 (en) * | 2018-06-11 | 2019-12-31 | Liftrock Llc | Methods and apparati for quickset gas lift separation and liquid storage |
| CN209277859U (en) * | 2018-12-26 | 2019-08-20 | 江苏丰泰流体机械科技有限公司 | Compactness oil gas field well head synchronous revolving increasing device |
| CN109854214A (en) * | 2019-03-08 | 2019-06-07 | 江苏丰泰流体机械科技有限公司 | A kind of synchronous revolving water drainage gas production device |
Non-Patent Citations (1)
| Title |
|---|
| 李培康等, 上海大学出版社 * |
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Application publication date: 20210406 |
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