CN209801160U - Flowback liquid conveying system in shale gas fracturing construction - Google Patents
Flowback liquid conveying system in shale gas fracturing construction Download PDFInfo
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- CN209801160U CN209801160U CN201920231610.0U CN201920231610U CN209801160U CN 209801160 U CN209801160 U CN 209801160U CN 201920231610 U CN201920231610 U CN 201920231610U CN 209801160 U CN209801160 U CN 209801160U
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Abstract
The utility model discloses a flowback liquid conveying system in shale gas fracturing construction, which comprises a well site flowback liquid collecting tank, a flowback liquid conveying pump, a flowback liquid processing device, a flowback liquid conveying pipeline and a flowback liquid centralized storage tank, the well site return fluid collecting tank, the return fluid delivery pump and the return fluid treatment device are communicated in sequence, the return fluid treatment device is communicated with the return fluid centralized storage tank through a return fluid delivery pipeline, the backflow liquid conveying pipeline comprises a leakage-proof hose and a backflow liquid non-metal conveying pipeline arranged in the leakage-proof hose, a groove for draining the leakage-return liquid is arranged below the leakage-proof hose, a leakage-return liquid collecting tank is arranged at the bottom of the groove, the return liquid conveying pipeline is provided with a pipeline stop valve and a plurality of return liquid conveying pipeline emergency stop devices, the pipeline stop valve is positioned at one end of the return liquid conveying pipeline close to the return liquid centralized storage tank. The utility model discloses can find the leakage point fast, can also avoid leaking the polluted environment.
Description
Technical Field
The utility model relates to a flowback liquid conveying system in shale gas fracturing construction.
Background
The fracturing flow-back fluid is a mixed liquid which is returned to the ground after fracturing operation is carried out on a stratum by using a hydraulic fracturing technology for increasing the yield of an oil-gas well, and the mixed liquid not only comprises the fracturing liquid which is originally injected into the stratum, but also carries various pollutants in the stratum. In the application of the shale gas horizontal fracturing technology, the fracturing flowback liquid amount generated by each well can reach 3000-3. If the large amount of fracturing fluid cannot be effectively treated for recycling, not only is a large amount of clear water resources wasted, but also if the fracturing fluid is discharged randomly, the natural environments such as a surface water system, crops and the atmosphere are inevitably seriously polluted; meanwhile, a large amount of heavy metal substances enter the nature, which also causes irreversible damage to the ecological system and the water resource environment. However, the existing flowback liquid conveying pipeline needs to be arranged in the field, leakage is easy to occur, and a leakage point cannot be found in time.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides a flow back conveying system in shale gas fracturing construction.
The utility model provides a technical scheme that above-mentioned technical problem provided is: a flowback liquid conveying system in shale gas fracturing construction, which comprises a well site flowback liquid collecting tank, a flowback liquid conveying pump, a flowback liquid processing device, a flowback liquid conveying pipeline and a flowback liquid centralized storage tank, the well site return fluid collecting tank, the return fluid delivery pump and the return fluid treatment device are communicated in sequence, the return fluid treatment device is communicated with the return fluid centralized storage tank through a return fluid delivery pipeline, the backflow liquid conveying pipeline comprises a leakage-proof hose and a backflow liquid non-metal conveying pipeline arranged in the leakage-proof hose, a groove for draining the leakage-return liquid is arranged below the leakage-proof hose, a leakage-return liquid collecting tank is arranged at the bottom of the groove, the return liquid conveying pipeline is provided with a pipeline stop valve and a plurality of return liquid conveying pipeline emergency stop devices, the pipeline stop valve is positioned at one end of the return liquid conveying pipeline close to the return liquid centralized storage tank.
The technical scheme is that the emergency stop device of the return liquid conveying pipeline comprises a connecting flange, a leakage-proof hose connector, a return liquid guide pipe and a return liquid nonmetal electric control valve arranged on the connecting flange, a metal wire is further arranged in the leakage-proof hose and electrically connected with the return liquid nonmetal electric control valve, the leakage-proof hose connectors are arranged at two ends of the connecting flange, and the two leakage-proof hose connectors are communicated through the return liquid guide pipe.
A further technical scheme is that a temporary return drain storage tank and a pipeline are arranged beside the leakage return drain collection pool, and the temporary return drain storage tank is communicated with the leakage return drain collection pool through the pipeline.
The further technical scheme is that a temporary backflow liquid conveying pump is arranged between the leakage backflow liquid collecting pool and the temporary backflow liquid storage tank.
The further technical scheme is that the emergency stop device of the return liquid conveying pipeline is positioned right above the leakage return liquid collecting tank.
The further technical scheme is that the flow guide pipe for the flow returning liquid is provided with a vertical downward emptying pipe.
The utility model has the advantages that: the utility model discloses can find the leakage point fast, can also avoid leaking the polluted environment.
Drawings
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is a schematic structural view of the scram device of the middle backflow liquid conveying pipeline of the present invention.
Detailed Description
The following provides a more detailed description of the present invention with reference to the accompanying drawings and examples.
As shown in fig. 1, the utility model discloses a flowback liquid conveying system in shale gas fracturing construction, return flowing back collection tank 1, flowback liquid delivery pump 2, flowback liquid processing apparatus 3, flowback liquid conveying pipeline, flowback liquid centralized storage tank 4 including the well site, well site flowback liquid collection tank 1, flowback liquid delivery pump 2, flowback liquid processing apparatus 3 communicate in proper order, flowback liquid processing apparatus 3 is through flowback liquid conveying pipeline and flowback liquid centralized storage tank 4 intercommunication, flowback liquid conveying pipeline includes leak-proof hose 5 and the nonmetal conveying pipeline 6 of flowback liquid that sets up in leak-proof hose 5, the below of leak-proof hose 5 is equipped with the slot 8 that is used for excreting the hourglass flowback liquid;
The bottom of slot 8 is equipped with leaks and returns drain collecting pit 9, it is equipped with pipeline stop valve 10 and returns drain conveying pipeline scram 11 to return on the drain conveying pipeline, pipeline stop valve 10 is located and returns the drain conveying pipeline and is close to the one end of returning the concentrated holding vessel 4 of flowing back, leak and return the other drain 12, the pipeline of returning of being equipped with of drain collecting pit 9 temporarily, return drain 12 temporarily and return drain collecting pit 9 intercommunication through pipeline and leakage.
The working process of the embodiment is as follows: the return fluid sequentially passes through a well site return fluid collecting tank 1, a return fluid conveying pump 2, a return fluid processing device 3, a return fluid conveying pipeline and a return fluid centralized storage tank 4; the return liquid conveying pipeline is arranged on a field steep slope, the leakage-proof hose 5 is placed in the groove 8 and backfilled by adopting soil, and the leakage-proof hose 5 is prevented from being damaged when exposed in the field; the groove 8 is poured by adopting concrete, so that the backflow liquid leaked in the backflow liquid nonmetal conveying pipeline 6 can be collected in the groove 8 and finally converged into the leaked backflow liquid collecting tank 9, and the situation that the backflow liquid directly permeates into soil to pollute the environment is avoided;
When leakage occurs in the returned liquid non-metal conveying pipeline 6, the returned liquid conveying pipeline emergency stop device 11 can be automatically started, so that the returned liquid conveying pipeline is switched on and off, and an alarm is given; wherein the emergency stop device 11 of the return liquid conveying pipeline can be provided with a plurality of emergency stop devices on the return liquid conveying pipeline, so that when one of the emergency stop devices 11 of the return liquid conveying pipeline gives an alarm, the leakage near the section is indicated, and a worker can quickly find a leakage point and perform leakage repairing.
As shown in fig. 2: the emergency stop device 11 of the return liquid conveying pipeline comprises a connecting flange 111, a leakage-proof hose connector 112, a return liquid guiding pipe 114 and a return liquid nonmetal electric control valve 113 mounted on the connecting flange 111, a metal wire is further arranged in the leakage-proof hose 5 and electrically connected with the return liquid nonmetal electric control valve 113, the leakage-proof hose connectors 112 are mounted at two ends of the connecting flange 111, and the two leakage-proof hose connectors 112 are communicated with each other through the return liquid guiding pipe 114.
the device plays a role in emergency stop by controlling the opening and closing of the connecting flange 111 through the non-metal electric control valve 113 for the backflow liquid, when the backflow liquid leaks in the backflow liquid non-metal conveying pipeline 6, the metal wire in the leakage-proof hose 5 is contacted with the backflow liquid, so that the conduction is realized, the nonmetal electric control valve 113 for the backflow liquid controls the closing of the connecting flange 111, and the backflow liquid stops discharging rapidly.
as shown in fig. 1, one of the returning liquid delivery pipeline emergency stop devices 11 is located right above the leaked returning liquid collecting tank 9, and the returning liquid guiding pipe 114 is provided with a vertically downward emptying pipe. Another emergency stop 11 is located at the end of the return fluid delivery line near the return fluid treatment device 3.
In the embodiment, the leaked flow-back liquid collecting tank 9 collects leaked flow-back liquid, wherein in order to discharge the flow-back liquid in the leaked flow-back liquid collecting tank 9 into the temporary flow-back liquid storage tank 12 more quickly, a temporary flow-back liquid delivery pump 7 is preferably arranged between the leaked flow-back liquid collecting tank 9 and the temporary flow-back liquid storage tank 12.
The above description is not intended to limit the present invention in any way, and the present invention has been disclosed in the above embodiments, but is not intended to be limited thereto, and any person skilled in the art can make some changes or modify equivalent embodiments with equivalent changes when using the technical content disclosed above without departing from the technical scope of the present invention.
Claims (6)
1. The return fluid conveying system in shale gas fracturing construction is characterized by comprising a well field return fluid collecting tank (1), a return fluid conveying pump (2), a return fluid treatment device (3), a return fluid conveying pipeline and a return fluid centralized storage tank (4), wherein the well field return fluid collecting tank (1), the return fluid conveying pump (2) and the return fluid treatment device (3) are sequentially communicated, the return fluid treatment device (3) is communicated with the return fluid centralized storage tank (4) through the return fluid conveying pipeline, the return fluid conveying pipeline comprises a leakage-proof hose (5) and a return fluid non-metal conveying pipeline (6) arranged in the leakage-proof hose (5), a groove (8) for draining the leakage return fluid is arranged below the leakage-proof hose (5), and a leakage return fluid collecting pool (9) is arranged at the bottom of the groove (8), the backflow liquid conveying pipeline is provided with a pipeline stop valve (10) and a plurality of backflow liquid conveying pipeline emergency stop devices (11), and the pipeline stop valve (10) is located at one end, close to the backflow liquid centralized storage tank (4), of the backflow liquid conveying pipeline.
2. The system for conveying the flowback liquid in the shale gas fracturing construction as claimed in claim 1, wherein the flowback liquid conveying pipeline emergency stop device (11) comprises a connecting flange (111), a leakage-proof hose connector (112), a flowback liquid guide pipe (114) and a flowback liquid nonmetal electric control valve (113) installed on the connecting flange (111), a metal wire is further arranged in the leakage-proof hose (5), the metal wire is electrically connected with the flowback liquid nonmetal electric control valve (113), the leakage-proof hose connector (112) is installed at each end of the connecting flange (111), and the two leakage-proof hose connectors (112) are communicated through the flowback liquid guide pipe (114).
3. The system for conveying the flowback liquid in the shale gas fracturing construction according to claim 1, wherein a temporary flowback liquid storage tank (12) and a pipeline are arranged beside the leaked flowback liquid collecting pool (9), and the temporary flowback liquid storage tank (12) is communicated with the leaked flowback liquid collecting pool (9) through the pipeline.
4. The system for conveying the flowback liquid in the shale gas fracturing construction according to claim 3, wherein a temporary flowback liquid conveying pump (7) is arranged between the leaked flowback liquid collecting tank (9) and the temporary flowback liquid storage tank (12).
5. The flowback fluid conveying system in shale gas fracturing construction as claimed in claim 2, wherein the flowback fluid conveying pipeline emergency stop device (11) is located right above the leaked flowback fluid collecting tank (9).
6. The flowback fluid delivery system for shale gas fracturing as claimed in claim 5, wherein the flowback fluid diversion pipe (114) is provided with a vertical downward emptying pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231610.0U CN209801160U (en) | 2019-02-22 | 2019-02-22 | Flowback liquid conveying system in shale gas fracturing construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920231610.0U CN209801160U (en) | 2019-02-22 | 2019-02-22 | Flowback liquid conveying system in shale gas fracturing construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209801160U true CN209801160U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920231610.0U Active CN209801160U (en) | 2019-02-22 | 2019-02-22 | Flowback liquid conveying system in shale gas fracturing construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209801160U (en) |
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2019
- 2019-02-22 CN CN201920231610.0U patent/CN209801160U/en active Active
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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: 20220413 Address after: Room 902, floor 9, unit 1, building 4, No. 333, Yuying Road, Xindu District, Chengdu, Sichuan 610500 Patentee after: Tang Zhixiang Address before: 610500 Ma Chao, East Road, Xindu Xiangcheng Avenue, Xindu District, Chengdu, Sichuan, No. 1, 1, unit 1, No. 5, building No. 2. Patentee before: Tang Shulin |
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| TR01 | Transfer of patent right |