CN218235093U - Automatic filling device of online temporary plugging agent - Google Patents
Automatic filling device of online temporary plugging agent Download PDFInfo
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- CN218235093U CN218235093U CN202222121583.6U CN202222121583U CN218235093U CN 218235093 U CN218235093 U CN 218235093U CN 202222121583 U CN202222121583 U CN 202222121583U CN 218235093 U CN218235093 U CN 218235093U
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Abstract
An on-line temporary plugging agent automatic filling device comprises a PLC control system, wherein a spiral conveying device is arranged at the other end of a storage bin of a spiral metering conveying device, and a feeding hole is formed in the center of the storage bin; two ends of the bin are respectively communicated with a first transition bin and a second transition bin, the first transition bin and the second transition bin are respectively communicated with a fifth filling valve and an eighth filling valve and then divided into two paths, and one path is respectively communicated with a liquid inlet of fracturing liquid through a sixth filling valve and a seventh filling valve; the other path is respectively communicated with the first storage bin, the third filling valve, the second storage bin and the first filling valve in sequence and then is connected to a fracturing liquid outlet, and a second filling valve is arranged on a pipeline at the fracturing liquid outlet. The utility model discloses avoided the problem that temporary plugging agent glues the pump effectively, possible online continuous standard operation has promoted temporary plugging repeated fracturing process level, is a big leap of fracturing process technology.
Description
Technical Field
The utility model relates to a stifled agent filling technical field temporarily specifically indicates an automatic filling device of stifled agent temporarily on line.
Background
At present, the low-permeability reservoir stratum at home and abroad can obtain a better recovery effect by performing diversion fracturing modification, and meanwhile, the development of unconventional oil and gas reservoirs is realized by technical means such as multi-slit staged fracturing in sections, which becomes the key point of exploration and development at home and abroad. No matter conventional vertical well reconstruction fracturing or unconventional horizontal well section internal multi-joint staged fracturing, a water-soluble temporary plugging agent is required to be used for fracture steering, so that the effect of relatively largest effective reconstruction volume of a single well is achieved.
The water-soluble temporary plugging agent has good plugging performance, can be favorable for plugging removal and flowback after plugging is finished, avoids damage to a reservoir stratum, and is a temporary plugging agent preferentially selected for diversion fracturing.
At present, the temporary plugging agent is mainly put on the ground in three ways: firstly, pack into the perpendicular nipple joint or similar mechanism that suitable position installed additional between high-pressure manifold and well head into the mixed liquid of temporary plugging agent of thoughtlessly joining in marriage in advance, impress the well into through the valve door of switching the mixed liquid of temporary plugging agent, secondly pack into oil pipe the mixed liquid of temporary plugging agent of thoughtlessly joining in advance to directly impress at the well head through fracturing truck or cement pump truck, thirdly pack into the mixed liquid of temporary plugging agent of thoughtlessly joining in marriage in the low pressure nylon tube between sand mixing truck and the pump truck in advance, rethread fracturing handlebar temporary plugging agent is pressed into in the well. The method has the problems that the temporary plugging agent needs to be pre-mixed, the vertical short section or the oil pipe or the low-pressure nylon pipe has a capacity limitation, the temporary plugging agent needs to be loaded by disassembling equipment for multiple times, multiple circulation operations exist, the feeding process is complicated, materials of the temporary plugging agent are wasted, the environment is polluted and the like, the method is not suitable for the real requirements of pressing the temporary plugging agent in large quantity and multiple batches, meanwhile, personal safety hazards exist when the temporary plugging agent is pressed in through a high-pressure end, and the defects that the pipeline and a fracturing truck pump head one-way valve are adhered and blocked, and the pressure bearing of the nylon pipe is insufficient and the like are caused when the temporary plugging agent is pressed in the low-pressure end.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic filling device of online stifled agent temporarily is the automatic equipment of throwing of online stifled agent temporarily that can realize remote control, has standardized the filling technology of temporary stifled agent temporarily, has promoted temporary stifled repeated fracturing process level.
In order to solve the above problems, the utility model discloses the technical scheme who adopts as follows:
an on-line temporary plugging agent automatic filling device comprises a PLC control system, wherein a spiral conveying device is arranged at the other end of a storage bin of a spiral metering conveying device, and a feeding hole is formed in the center of the storage bin; two ends of the bin are respectively communicated with a first transition bin and a second transition bin, the first transition bin and the second transition bin are respectively communicated with a fifth filling valve and an eighth filling valve and then divided into two paths, and one path is respectively communicated with a liquid inlet of fracturing liquid through a sixth filling valve and a seventh filling valve; the other path is respectively communicated with a first storage bin, a third filling valve, a second storage bin and the first filling valve in sequence and then is connected with a liquid outlet of fracturing liquid, a second filling valve is installed on a pipeline at the liquid outlet of the fracturing liquid, and the spiral conveying device, the spiral metering conveying device and all the filling valves are in signal connection with a control system.
The outlet of the first storage bin is connected with the third filling valve through a fourth filling valve, a first sand adding pump and a mud groove in sequence, and the first sand adding pump is in signal connection with a control system.
And the outlet of the second storage bin is connected with the first filling valve through a ninth filling valve, a second sand adding pump and a mud groove in sequence, and the second sand adding pump is in signal connection with the PLC control system.
The spiral forward transmission of the spiral conveying device is communicated with the first transition bin, and the spiral reverse transmission of the spiral conveying device is communicated with the second transition bin.
The utility model discloses an use, solved manual feeding temporary plugging agent a great deal of problems such as nonstandard, the fluctuation of the rate of addition is big temporary plugging boost controllability is poor, unsafe, also avoided the problem that temporary plugging agent glues the pump effectively, can accomplish online continuous standard operation to standardized the filling technology of temporary plugging agent, promoted temporary plugging repeated fracturing process level, degree of automation is high simultaneously, workman low in labor strength; is a technical revolution of the fracturing technology and is a great leap of the technology.
Drawings
FIG. 1 is a schematic flow chart of the present invention;
fig. 2 is a left side view of fig. 1.
Detailed Description
The present invention and the method of using the same will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the automatic online temporary plugging agent filling device at least comprises a first filling valve 1, a second filling valve 2, a third filling valve 3, a fourth filling valve 4, a fifth filling valve 8, a sixth filling valve 11, a seventh filling valve 12, an eighth filling valve 15, a ninth filling valve 17, a first sand adding pump 5, a slurry tank 6, a first storage bin 7, a second storage bin 16, a first transition bin 9, a second transition bin 13, a spiral conveying device 10, a spiral metering conveying device 14, a second sand adding pump 18, a PLC control system and the like.
Wherein, the other end of the bin of the spiral metering conveying device 14 (LSY 250) is provided with a feed inlet in the center of the bin of the spiral conveying device 10 (LSY 250); two ends of the bin are respectively communicated with a first transition bin 9 and a second transition bin 13, the first transition bin 9 and the second transition bin 13 are respectively communicated with a fifth filling valve 8 and an eighth filling valve 15 and then are divided into two paths, and one path is respectively communicated with a fracturing fluid inlet 19 through a sixth filling valve 11 and a seventh filling valve 12; the other path is respectively connected with a first storage bin 7, a third filling valve 3, a second storage bin 16 and a first filling valve 1 in sequence and then is connected with a liquid outlet 20 of fracturing liquid, a second filling valve 2 is arranged on a pipeline at the liquid outlet of the fracturing liquid, and the spiral conveying device 10, the spiral metering conveying device 14 and all the filling valves are in signal connection with a control system.
The outlet of the first storage bin 7 is connected with the third filling valve 3 sequentially through a fourth filling valve 4, a first sand adding pump 5 and a mud groove 6, and the first sand adding pump 5 is in signal connection with a control system.
The outlet of the second storage bin 16 is connected with the first filling valve 1 through a ninth filling valve 17, a second sand adding pump 18 and a mud groove 6 in sequence, and the second sand adding pump 18 is in signal connection with a control system.
After the screw metering and conveying device 14 conveys the temporary plugging agent in the screw metering and conveying bin to the screw conveying device 10, the screw of the screw conveying device 10 is communicated with the first transition bin 9 during forward transmission, and the screw of the screw conveying device 10 is communicated with the second transition bin 13 during reverse rotation.
Referring to fig. 1, the application method of the present invention specifically comprises the following steps:
a. and under the normal working state of the fracturing fluid, the second filling valve 2 is opened, the first filling valve 1, the third filling valve 3, the sixth filling valve 11 and the seventh filling valve 12 are all closed, the fracturing fluid enters the fluid from the fluid inlet, and the fluid exits from the fluid outlet.
b. When the fracturing fluid is injected with the temporary plugging agent through the first storage bin 7, the fracturing fluid in the first storage bin 7 needs to be emptied at first: opening a fourth filling valve 4 and a fifth filling valve 8, opening a first sand adding pump 5, and evacuating the fracturing fluid in a first storage bin 7; then, the first storage bin 7 is filled with the temporary plugging agent, at the moment, the fifth filling valve 8 is opened, the third filling valve 3, the fourth filling valve 4 and the sixth filling valve 11 are all closed, the first sand adding pump 5 is closed, the temporary plugging agent is conveyed to the first transition bin 9 through the forward rotation of the screw by the screw conveying device 10 and then flows into the first storage bin 7, and the temporary plugging agent filling operation of the storage bin 7 is completed; and finally, the fracturing fluid finishes filling the temporary plugging agent through the first storage bin 7, and specifically comprises the following steps: and the second filling valve 2, the fourth filling valve 4, the fifth filling valve 8 and the seventh filling valve 12 are all closed, the sixth filling valve 11 and the third filling valve 3 are opened, fracturing fluid enters the liquid from the liquid inlet, and the liquid exits from the liquid outlet.
c. When the fracturing fluid is filled with the temporary plugging agent through the second storage bin 16, the fracturing fluid in the storage bin 16 needs to be emptied at first: the eighth filling valve 15 and the ninth filling valve 17 are opened, the second sand adding pump 18 is opened, and the fracturing fluid in the second storage bin 16 is pumped out; then, the filling work of the temporary plugging agent in the second storage bin 16 is carried out: at the moment, the eighth filling valve 15 is opened, the first filling valve 1, the seventh filling valve 12 and the ninth filling valve 17 are closed, the second sand adding pump 18 is closed, the temporary plugging agent is conveyed to the second transition bin 13 by the spiral conveying device 10 through the reverse rotation of the spiral and then flows into the second storage bin 16, and the temporary plugging agent filling operation of the second storage bin 16 is completed; and finally, the fracturing fluid is filled with a temporary plugging agent through a second storage bin 16, specifically: the second filling valve 2, the sixth filling valve 11, the eighth filling valve 15 and the ninth filling valve 17 are all closed, the seventh filling valve 12 and the first filling valve 1 are opened, fracturing fluid enters the fluid from the fluid inlet, and fluid exits from the fluid outlet;
d. under the control of the control system, the first storage bin 7 and the second storage bin 16 work alternately to complete the whole filling operation of the temporary plugging agent.
The utility model discloses a production facility of the must of obtaining better effect of gathering of fracturing transformation and injecting temporary plugging agent is transformed through turning to the fracturing to the hypotonic oil reservoir at home and abroad for solving.
The utility model discloses install between fracturing pump and wellhead high-pressure line, belong to high-pressure line's bypass system. Each valve of the system is closed when the fracturing pump normally fractures, the normal execution of the fracturing process is not influenced, the system is controlled to remotely control the automatic operation of the system when the temporary plugging agent needs to be added, the required valve and the pumping equipment for conveying the temporary plugging agent are automatically controlled to be opened by the system according to the adding amount, after the temporary plugging agent is added, the system automatically cuts off the connection with the fracturing main pipeline, and the original fracturing process is normally executed.
Claims (4)
1. An on-line temporary plugging agent automatic filling device comprises a PLC control system and is characterized in that a spiral conveying device (10) is installed at the other end of a bin of a spiral metering conveying device (14), and a feeding hole is formed in the center of the bin; two ends of the bin are respectively communicated with a first transition bin (9) and a second transition bin (13), the first transition bin (9) and the second transition bin (13) are respectively communicated with a fifth filling valve (8) and an eighth filling valve (15) and then are divided into two paths, one path of the water inlet pipe is communicated with a liquid inlet (19) of fracturing liquid after passing through a sixth filling valve (11) and a seventh filling valve (12) respectively; the other path is respectively communicated with a first storage bin (7), a third filling valve (3), a second storage bin (16) and the first filling valve (1) in sequence and then is connected with a fracturing liquid outlet (20), a second filling valve (2) is arranged on a pipeline at the fracturing liquid outlet, and the spiral conveying device (10), the spiral metering conveying device (14) and all the filling valves are in signal connection with a control system.
2. The automatic online temporary plugging agent filling device according to claim 1, wherein an outlet of the first storage bin (7) and the third filling valve (3) are connected with the mud tank (6) sequentially through a fourth filling valve (4), a first sand adding pump (5), and the first sand adding pump (5) is in signal connection with the control system.
3. The on-line temporary plugging agent automatic filling device as claimed in claim 1, wherein the outlet of said second storage silo (16) and said first filling valve (1) are connected to the mud tank (6) sequentially through a ninth filling valve (17), a second sand adding pump (18), said second sand adding pump (18) is in signal connection with the PLC control system.
4. An on-line automatic temporary plugging agent filling device according to any one of claims 1-3, wherein the screw forward of the screw conveying device (10) is communicated with the first transition bin (9), and the screw reverse of the screw conveying device (10) is communicated with the second transition bin (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222121583.6U CN218235093U (en) | 2022-08-12 | 2022-08-12 | Automatic filling device of online temporary plugging agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222121583.6U CN218235093U (en) | 2022-08-12 | 2022-08-12 | Automatic filling device of online temporary plugging agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218235093U true CN218235093U (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222121583.6U Active CN218235093U (en) | 2022-08-12 | 2022-08-12 | Automatic filling device of online temporary plugging agent |
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| CN (1) | CN218235093U (en) |
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2022
- 2022-08-12 CN CN202222121583.6U patent/CN218235093U/en active Active
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