CN210152594U - Cluster gas well group connecting device - Google Patents
Cluster gas well group connecting device Download PDFInfo
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- CN210152594U CN210152594U CN201920824548.6U CN201920824548U CN210152594U CN 210152594 U CN210152594 U CN 210152594U CN 201920824548 U CN201920824548 U CN 201920824548U CN 210152594 U CN210152594 U CN 210152594U
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Abstract
The utility model discloses a cluster gas well group connecting device, including first basic well cluster and the basic well cluster of a plurality of second, the delivery outlet of first basic well cluster links to each other with first total valve input port, first total valve delivery outlet links to each other to the gas production manifold, the gas production manifold links to each other with the gas production main pipe, the gas production main pipe other end links to each other to the gas collecting station, wherein first total valve is total a plurality of, the delivery outlet of every second basic well cluster all links to each other with the gas production branch pipe through a second total valve, the gas production branch pipe links to each other with first total valve input port, a plurality of first total valve delivery outlet all is connected to the gas production manifold. Through adopting full cluster well and dual valve, the flow is stabilized and guarantee safety for the pipeline can unify the bore, brings very big convenience for processes such as follow-up pipeline order, construction, maintenance, improves production efficiency by a wide margin.
Description
Technical Field
The utility model belongs to the technical field of oil and natural gas engineering collection is defeated, concretely relates to cluster gas well group connecting device.
Background
In the development of a gas field, after natural gas is produced from gas wells in the gas field, the natural gas needs to be collected to a gas gathering station in the region, the natural gas is conveyed to a natural gas treatment plant through a gas production main pipe after the procedures of metering, separation and the like of the gas gathering station, and other unnecessary components in the natural gas are removed and then conveyed to users. In the process of conveying natural gas to a gas gathering station, the output of each gas well is different, so that the output of the produced natural gas is different, the difference of the output determines the difference of the pipe diameter and the connection mode of the conveying pipeline, the influence of the parameters of the gas wells is prominent, and the inconvenience is brought to the design, construction, operation, maintenance and management of the gathering and conveying process. The device can solve the contradiction caused by deployment adjustment, gas amount change, well position adjustment and production conditions in the natural gas exploitation and transportation process in a centralized manner, simplify the work of purchasing, construction, design and the like in the natural gas exploitation and transportation process, and ensure the safety of natural gas transportation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cluster gas well group connecting device solves the contradiction that the natural gas exploitation transportation process caused owing to dispose adjustment, tolerance change, well position adjustment, production situation.
The utility model aims at realizing through following technical means, including the basic well cluster of first basic well cluster and a plurality of second, the delivery outlet of first basic well cluster links to each other with a first total valve input port, first total valve output port links to each other to the gas production collection pipe, the gas production collection pipe links to each other with the gas production main pipe, the gas production main pipe other end links to each other to the gas collecting station, wherein first total valve is total a plurality of, the delivery outlet of every second basic well cluster all links to each other with a gas production branch pipe through a second total valve, every gas production branch pipe respectively links to each other with a first total valve input port, a plurality of first total valve output port that links to each other with the gas production branch pipe all is connected to the gas production collection pipe, the whole of many gas production branch pipes and first total valve is parallelly connected to the gas production collection pipe.
The gas production main pipe is also connected with a pipe cleaning valve, and the gas production main pipe is also connected with a bypass valve which is connected with the pipe cleaning valve in parallel.
The first main valve input port is connected with the gas production branch pipe through a reserved interface, and the reserved interface is a flange interface.
The gas production branch pipe and the gas production main pipe are both of fixed pipe diameters.
The first basic well cluster and the second basic well cluster are both composed of a plurality of groups of gas wells, the output port of each gas well is connected with the first main valve or the second main valve through a pipeline, and a cut-off valve and a flowmeter are connected to the pipeline between each gas well and the first main valve and the second main valve.
The gas wells of the first basic well cluster and the second basic well cluster are 3-16, and the multiple groups of gas wells in the first basic well cluster and the second basic well cluster are full cluster wells.
The block valve is a high-low pressure emergency block valve.
The beneficial effects of the utility model reside in that: 1. through reserving the interface, can let other basic wells realize not having the operation of firing from the time of the access to it is little that the whole is influenced by well drilling and production sequence, and the adjustment is more nimble.
2. Through the first main valve, the second main valve and the gas production branch pipe, gas transmission pipelines from the second well cluster to the regional well cluster can be closed in time after the second basic well cluster has problems, so that all pipelines can have the same pipe diameter and are convenient to construct.
Drawings
FIG. 1 is a schematic structural view of the present invention;
1-1, a first basic well cluster; 1-2, a second basic well cluster; 2. a wellhead; 3. a shut-off valve; 4. a flow meter; 5. a second main valve; 6. a gas production branch pipe; 7. a regional well cluster; 8. a first main valve; 9. reserving an interface; 10. cleaning a pipe valve; 11. a bypass valve; 12. gas production main pipe; 13. A gas collection station; 14. a gas collecting pipe.
The present invention will be described in further detail with reference to the accompanying drawings and examples;
Detailed Description
[ example 1 ]
As shown in fig. 1, the system comprises a first basic well cluster 1-1 and a plurality of second basic well clusters 1-2, wherein the output port of the first basic well cluster 1-1 is connected with the input port of a first main valve 8, the output port of the first main valve 8 is connected to a gas production collecting pipe 14, the gas production collecting pipe 14 is connected with a gas production main pipe 12, the other end of the gas production main pipe 12 is connected to a gas collecting station 13, the first main valves 8 are multiple in number, the output port of each second basic well cluster 1-2 is connected with a gas production branch pipe 6 through a second main valve 5, each gas production branch pipe 6 is connected with the input port of the first main valve 8, the output ports of the first main valves 8 connected with the gas production branch pipes 6 are connected to the gas production collecting pipe 14, and the whole of the plurality of gas production branch pipes 6 and the first main valves 8 are connected to the gas production collecting pipe 14 in parallel.
The gas outlet of a first basic well cluster 1-1 is connected to a first main valve 8, gas flows into a gas production collecting pipe 14 through the first main valve 8, then is connected to a gas production main pipe 12 from a gas production collecting pipe 15, finally enters a gas collecting station 13 through the gas production main pipe 12, the gas output by the first basic well cluster 1-1 is finally conveyed to the gas collecting station 13, the gas outlets of a plurality of second basic well clusters 1-2 are sequentially connected with a second main valve 5 and the first main valve 8, the second main valve 5 and the first main valve 8 are connected through a gas production branch pipe 6, the output gas of the second basic well cluster 1-2 is also collected into the gas production collecting pipe 14 through the gas production branch pipe 6, and the gas of the first basic well cluster 1-1 and the gas of the second basic well cluster 1-2 are collected into the gas production collecting pipe 14 and finally flows into the gas collecting station 13.
A plurality of production branches 6 and respective first main valves 8 are connected in parallel to a production header 14.
[ example 2 ]
As shown in figure 1, a pigging valve 10 is further connected to the gas production main pipe 12, and a bypass valve 11 connected with the pigging valve 10 in parallel is further connected to the gas production main pipe 12.
The gas production main pipe 12 is also connected with a pipe cleaning valve 10 and a bypass valve 11 which is connected with the pipe cleaning valve 10 in parallel, and the gas production main pipe 12 can generate natural gas hydrate after long-time operation or operation under the conditions of low temperature and high pressure, thereby influencing the normal flow of natural gas in a pipeline and reducing the output of the pipeline. And closing the pipe cleaning valve 10, opening the bypass valve 11, putting the pig into the pipe cleaning valve 10, closing the bypass valve 11, and cleaning the pipe by the pipe cleaning ball under the pressure.
Wherein the first basic well cluster 1-1, the first main valve 8, the production gas header 14, the pigging valve 10 and the bypass valve 11 together form a regional well cluster 7, so that the regional well cluster 7 has both well cluster and pigging functions.
An input port of the first main valve 8 is connected with the gas production branch pipe 6 through a reserved connector 9, and the reserved connector 9 is a flange connector.
The first main valve 8 is provided with a flange reserved joint 9 so as to be connected with a second basic well cluster 1-2 which is constructed subsequently through a gas production branch pipe 6.
During construction, the first basic well cluster 1-1 in the regional well cluster 7 can start normal work as long as the first basic well cluster 1-1 is arranged, the plurality of reserved first main valves 8 and the reserved connectors 9 can conveniently integrate a plurality of second basic well clusters 1-2 which are constructed subsequently into the regional well cluster 7, additional gas transmission equipment does not need to be constructed for the second basic well cluster, fire operation is not needed when the gas production branch pipes 6 are connected, and construction safety is improved.
The setting of the reserved joints 9 leaves window time for the drilling operation of each cluster well, so that the pipeline design is not influenced by the production sequence of the gas wells, the design can be completed at one time, and the regional well cluster 7 is accessed after the production of each second basic well cluster 1-2.
The gas production branch pipe 6 and the gas production main pipe 12 are both of fixed pipe diameters. The second basic well cluster 1-2 is connected with the gas production collecting pipe 14 through a second main valve 5, a gas production branch pipe 6 and a first main valve 8, the second main valve 5 controls the gas flow output of each second basic well cluster 1-2, the first main valve 8 controls the gas flowing into the gas production collecting pipe 14 from each basic well cluster, when the second basic well cluster 1-2 has abnormal working conditions such as overpressure and the like, the basic well cluster is shut off through the second main valve 5, and when the gas production branch pipe 6 has accidents such as leakage and the like, the second main valve 5 and the first main valve 8 need to be shut off at the same time to repair, replace pipelines and the like; the first main valve 8 controls the gas of the gas production branch pipe 6 to flow into the gas production collecting pipe 14 on one hand, and prevents the gas in the gas production collecting pipe 14 from reversely flowing to the pressure loss direction of the basic well cluster on the other hand, so that the safety is ensured, each pipeline can use the same pipe diameter, and the construction cost is greatly reduced. Increase the number of the prefecture wells of the gas collecting station 13, reduce investment and simplify pipe network
As shown in fig. 1, the first basic well cluster 1-1 and the second basic well cluster 1-2 are composed of a plurality of groups of gas wells 2, the output port of each gas well 2 is connected with a first main valve 8 or a second main valve 5 through a pipeline, and a shut-off valve 3 and a flow meter 4 are further connected on the pipeline between each gas well 2 and the first main valve 8 and the second main valve 5.
Each of the first basic well cluster 1-1 and the second basic well cluster 1-2 is provided with 3-16 gas wells 2, the output port of each gas well 2 of the first basic well cluster 1-1 is connected to a first main valve 8 through a pipeline, and a cut-off valve 3 and a flow meter 4 are connected to each pipeline between the first main valve and the first main valve; each gas well 2 output in the second basic well cluster 1-2 is connected to a first main valve 8 by a pipeline, and a shut-off valve 3 and a flow meter 4 are connected to each pipeline between the first main valve and the second main valve.
The block valve 3 is a high-low pressure emergency block valve. The stop valve 3 is a high-low pressure emergency stop valve, and production accidents and casualties caused by overpressure or pressure loss of a gas well are prevented.
The gas wells 2 of the first and second basic well clusters 1-1 and 1-2 are each 3-16, and the multiple groups of gas wells 2 in the first and second basic well clusters 1-1 and 1-2 are full cluster wells.
Because the output of the cluster well is continuously stable for a long time, the pipe diameters of the gas production branch pipe 6 and the gas production main pipe 12 can be further fixed in the design stage, so that the efficiency of the subsequent purchasing, construction and maintenance processes is greatly improved.
[ example 3 ]
As shown in fig. 1, in a method for using a cluster gas well group connecting device, natural gas conveyed outwards by a plurality of groups of well heads 2 in a first basic well cluster 1-1 is converged into a first main valve 8 through respective block valves 3 and flow meters 4, and enters a gas production collecting pipe 14 through the first main valve 8; the natural gas which is conveyed outwards by a plurality of groups of well heads 2 in the second basic well cluster 1-2 is converged into a second main valve 5 through respective cut-off valves 3 and flow meters 4, the second main valve 5 is connected with a reserved interface 9 of another first main valve 8 through a gas production branch pipe 6, the natural gas is converged into a gas production collecting pipe 14 through the gas production branch pipe 6 and the first main valve 8, and the natural gas output by the first basic well cluster 1-1 and a plurality of second basic well clusters 1-2 is converged in the gas production collecting pipe 14 and is output to a gas collecting station 13 through a gas production main pipe 12.
The well mouth of the first basic well cluster 1-1 is connected with the first main valve 8, then enters the gas production main pipe 12 through the collecting and gas collecting pipe 15 and is input into the gas collecting station 13, so that the regional well cluster 7 can work normally, a second basic well cluster 1-2 which is constructed later is merged into the regional well cluster 7, the well mouth 2 of the second basic well cluster 1-2 is connected with the second main valve 5 and is connected with the reserved interface 9 of the other previously reserved first main valve 8 through the gas production branch pipe 6, the gas of the second basic well cluster 1-2 is also merged into the gas production collecting pipe 14, and finally the gas of the first basic well cluster 1-1 and the gas of the second basic well cluster 1-2 are metered through the flow meter 4 and then enter the gas production main pipe 12 from the gas production collecting pipe 14 and finally flow into the gas collecting station 13. The output of the gas collecting station 13 is increased, the gathering and transportation pipe network is simplified, the gathering and transportation design is standardized, and the construction process is simplified.
Claims (7)
1. A cluster gas well group connecting device is characterized in that: comprises a first basic well cluster (1-1) and a plurality of second basic well clusters (1-2), wherein the output port of the first basic well cluster (1-1) is connected with the input port of a first main valve (8), the output port of the first main valve (8) is connected to a gas production collecting pipe (14), the gas production collecting pipe (14) is connected with a gas production main pipe (12), the other end of the gas production main pipe (12) is connected to a gas collecting station (13), the number of the first main valves (8) is multiple, the output port of each second basic well cluster (1-2) is connected with one gas production branch pipe (6) through one second main valve (5), each gas production branch pipe (6) is connected with the input port of one first main valve (8), the output ports of the first main valves (8) connected with the gas production branch pipes (6) are connected to a gas production collecting pipe (14), and the whole of the plurality of gas production branch pipes (6) and the first main valves (8) are connected to the gas production collecting pipe (14) in parallel.
2. The cluster gas well cluster tool of claim 1 wherein: the gas production main pipe (12) is also connected with a pipe cleaning valve (10), and the gas production main pipe (12) is also connected with a bypass valve (11) which is connected with the pipe cleaning valve (10) in parallel.
3. The cluster gas well cluster tool of claim 1 wherein: the inlet of the first main valve (8) is connected with the gas production branch pipe (6) through a reserved connector (9), and the reserved connector (9) is a flange connector.
4. The cluster gas well cluster tool of claim 1 wherein: the gas production branch pipe (6) and the gas production main pipe (12) are both of fixed pipe diameter.
5. The cluster gas well cluster tool of claim 1 wherein: the first basic well cluster (1-1) and the second basic well cluster (1-2) are both composed of a plurality of groups of gas wells (2), the output port of each gas well (2) is connected with a first main valve (8) or a second main valve (5) through a pipeline, and a cut-off valve (3) and a flowmeter (4) are connected to the pipeline between each gas well (2) and the first main valve (8) and the second main valve (5).
6. The cluster gas well cluster tool of claim 1 wherein: the gas wells (2) of the first basic well cluster (1-1) and the second basic well cluster (1-2) are 3-16, and the multiple groups of gas wells (2) in the first basic well cluster (1-1) and the second basic well cluster (1-2) are full cluster wells.
7. The cluster gas well cluster tool of claim 5 wherein: the block valve (3) is a high-low pressure emergency block valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920824548.6U CN210152594U (en) | 2019-06-03 | 2019-06-03 | Cluster gas well group connecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920824548.6U CN210152594U (en) | 2019-06-03 | 2019-06-03 | Cluster gas well group connecting device |
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| CN210152594U true CN210152594U (en) | 2020-03-17 |
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| CN201920824548.6U Active CN210152594U (en) | 2019-06-03 | 2019-06-03 | Cluster gas well group connecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159219A (en) * | 2019-06-03 | 2019-08-23 | 西安长庆科技工程有限责任公司 | A kind of clump of formula gas well well group attachment device and its application method |
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2019
- 2019-06-03 CN CN201920824548.6U patent/CN210152594U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159219A (en) * | 2019-06-03 | 2019-08-23 | 西安长庆科技工程有限责任公司 | A kind of clump of formula gas well well group attachment device and its application method |
| CN110159219B (en) * | 2019-06-03 | 2024-03-15 | 西安长庆科技工程有限责任公司 | Concatenation type gas well group connecting device and application method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201027 Address after: 710018 Shaanxi province Xi'an Weiyang road Fengcheng four Changqing building Patentee after: XI'AN CHANGQING TECHNOLOGY ENGINEERING Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 710018 Shaanxi city of Xi'an province Fengcheng Weiyang District four building 1809 Changqing Road Patentee before: XI'AN CHANGQING TECHNOLOGY ENGINEERING Co.,Ltd. |
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| TR01 | Transfer of patent right |