CN220940185U - Multi-material temporary plugging agent stirring device - Google Patents
Multi-material temporary plugging agent stirring device Download PDFInfo
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- CN220940185U CN220940185U CN202322353053.9U CN202322353053U CN220940185U CN 220940185 U CN220940185 U CN 220940185U CN 202322353053 U CN202322353053 U CN 202322353053U CN 220940185 U CN220940185 U CN 220940185U
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- temporary plugging
- stirring tank
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- 238000003756 stirring Methods 0.000 title claims abstract description 66
- 239000000463 material Substances 0.000 title claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 107
- 239000000835 fiber Substances 0.000 claims abstract description 91
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 43
- 239000003814 drug Substances 0.000 claims abstract description 25
- 239000008188 pellet Substances 0.000 claims abstract description 24
- 239000008187 granular material Substances 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 5
- 230000009193 crawling Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of oilfield fracturing auxiliary equipment, and discloses a multi-material temporary plugging agent stirring device which comprises a prying box body, a stirring tank, a fiber feeding machine, a granule temporary plugging agent feeding machine, an input pump set, an output pump set, an air compressor, a generator set, a liquid medicine pump and a control room. The input pump set and the output pump set are respectively communicated with the top and the bottom of the stirring tank through pipelines; the pellet discharge port of the pellet temporary plugging agent feeder extends to the top of the stirring tank; the fiber discharge port of the fiber feeder is respectively communicated with the air compressor and the fiber conveying pipeline through a three-way pipe; the liquid medicine pump can add special liquid medicine into the stirring tank; the generator set can meet the power requirements of the equipment; the control room can monitor and control the device. According to the utility model, intelligent feeding of fibers and granules and material mixing can be realized through a skid-mounted design, and the quality of mixed liquid is ensured.
Description
Technical Field
The utility model relates to a stirring device for a temporary plugging agent for multiple materials, and belongs to the technical field of oilfield fracturing auxiliary equipment.
Background
The temporary fracturing plugging is to pump the temporary fracturing plugging agent into the well and then selectively enter the old fracture for plugging the fracturing, so that the stratum rock pores are not strongly plugged, the trend of the fracturing fluid is not completely along the old fracture, thereby manufacturing new fractures and improving the oil flow channel, and achieving the purpose of increasing yield. In actual production, the fact that effective blocking cannot be formed by singly using temporary blocking particles is found, and the composite temporary blocking agent of the fiber and the temporary blocking particles can effectively improve blocking pressure on holes, so that fracturing effect is improved.
Temporary plugging fibers are glass fiber clusters or cotton flocs, the temporary plugging fibers need to be dispersed in advance during addition, then gas is used for conveying and adding the temporary plugging fibers into a stirring tank of a sand mixing vehicle, and after the temporary plugging fibers are mixed with fracturing fluid, the temporary plugging fibers are pumped by the fracturing vehicle, so that the following problems exist in the process: firstly, when dispersing and conveying gas, extremely fine temporary blocking fibers can fly around a construction area along with the conveying gas, pollute the environment and damage the health of a human body; secondly, the fiber throwing effect is not ideal, the adding proportion cannot be controlled, and a large amount of fibers remain on the inner wall of the scattering device and the equipment; thirdly, when part of well sites are operated, even manual fiber adding is adopted, and the adding proportion and the adding precision cannot be ensured; fourthly, the granular temporary plugging agent and the fiber are respectively put in a part of well sites, the occupied area of equipment is large, and the quality of the mixed solution is not easy to ensure.
In view of the above, the conventional temporary plugging agent filling device for oil and gas fracturing still has the above problems, and it is highly desirable to design a multi-material temporary plugging agent stirring device.
Disclosure of utility model
The utility model aims to overcome the prior technical problems and provide a multi-material temporary plugging agent stirring device which can simultaneously add temporary plugging fibers and granular temporary plugging agents and ensure the accuracy of feeding and the uniformity of mixed liquid.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
The utility model provides a many materials temporary plugging agent agitating unit, includes sled case body, agitator tank, aggregate temporary plugging agent batch feeder, input pump package, fibre batch feeder, cat ladder, material lift, generating set, air compressor, output pump package, medicine liquid pump, control room, spray set and control system.
The input pump set is two centrifugal pumps with the same model and specification, one of the centrifugal pumps works normally and the other centrifugal pump is standby during operation, and is connected with a liquid inlet at the top end of the stirring tank through a pipeline; the output pump set is two centrifugal pumps with the same model and specification, one of the centrifugal pumps works normally and the other centrifugal pump is standby during operation, and is connected with a liquid outlet at the bottom of the stirring tank through a pipeline; the pellet discharge port of the pellet temporary plugging agent feeder extends to the top of the stirring tank; the fiber feeder comprises a fiber hopper, a fiber separation chamber, a fiber separation baffle, a fiber discharge port and a fiber driving motor, wherein the fiber discharge port is respectively connected with an air compressor and a fiber conveying pipeline through a three-way pipe of a venturi structure; the spraying device is arranged at the top of the stirring tank and is connected with the fiber discharge port through a fiber conveying pipeline; the liquid medicine outlet pipeline of the liquid medicine pump is respectively connected with the spraying device at the top of the stirring tank and the liquid medicine outlet through a three-way pipe; the stirring tank is internally provided with a liquid level sensor, five layers of liquid level surfaces from liquid level A to liquid level E are arranged in the stirring tank, and the displacement of an input pump set and an output pump set is controlled by liquid level change; the control system comprises liquid level control, material throwing control and material video monitoring equipment.
Further, the prying container body is a prying container with the length of 6.5-9.5 m, the width of 2-2.5 m and the height of 2.2-2.8 m.
Further, the pellet temporary plugging agent feeder comprises a pellet hopper, a spiral conveying pipeline, a spiral conveying device and a pellet driving motor.
Further, the agitator tank still includes agitator motor, artifical charge door, spray set, the agitator tank bottom is equipped with the liquid outlet, and the top is equipped with aggregate discharge gate, liquid medicine export, inlet, install two-layer paddle on agitator motor's the (mixing) shaft.
Furthermore, the input pump set is two variable frequency centrifugal pumps with the same model, the flow rate of the variable frequency centrifugal pumps can be controlled to be 20-100 m 3/h, and the variable frequency centrifugal pumps are communicated with a liquid inlet at the top of the stirring tank through a pipeline; the output pump group is two variable frequency centrifugal pumps with the same model, the flow rate of the variable frequency centrifugal pumps can be controlled to be 20-100 m 3/h, and the variable frequency centrifugal pumps are communicated with a liquid outlet at the bottom of the stirring tank through a pipeline.
Further, a crawling ladder and a material lifter are arranged outside the skid-mounted box body, and materials are lifted by utilizing a winch.
Furthermore, a control room is arranged at the leftmost side or the rightmost side of the skid-mounted box body, a control system of the whole set of device is assembled, and a control cabinet, a frequency converter, a display and video monitoring equipment are arranged, so that centralized control and monitoring are facilitated.
The utility model has the beneficial effects that:
1. The whole device is matched with a power-containing power supply, can be completely used for long-time independent construction operation in the open, and is suitable for oil-gas fracturing sites.
2. The device is equipped with an intelligent monitoring control system, can accurately control the addition of the fiber and granular temporary plugging agent, and meets the preparation requirement of the temporary plugging agent on the accurate concentration.
3. The device area is little, and sled dress box more conveniently transports, can satisfy the transportation requirement on mountain road, rugged road section.
4. The fiber air outlet is provided with a spraying device, and special liquid medicine is sprayed on the fibers through a spray head, so that the fibers sink to the liquid level of the stirring tank rapidly and are fused with the solution under the action of the stirring machine, and the fibers are prevented from drifting into the air to pollute the environment and damage the health of human bodies.
Drawings
FIG. 1 is a schematic front view of the apparatus of the present utility model;
FIG. 2 is a schematic top view of the apparatus of the present utility model;
FIG. 3 is a three-dimensional schematic of the apparatus of the present utility model;
FIG. 4 is a schematic view of a fiber feeder according to the present utility model;
FIG. 5 is a schematic view of a stirred tank of the present utility model;
FIG. 6 is a schematic view of the liquid level surface of the agitator tank of the present utility model;
FIG. 7 is a control flow chart of the present utility model;
In the figure: the device comprises a 1-skid-mounted box body, a 2-stirring tank, a 3-temporary plugging pellet feeder, a 4-input pump set, a 5-fiber feeder, a 6-crawling ladder, a 7-material lifter, an 8-generator set, a 9-air compressor, a 10-output pump set, an 11-liquid medicine pump, a 12-control chamber, a 13-fiber hopper, a 14-fiber separation chamber, a 15-fiber driving motor, a 16-pellet driving motor, a 17-fiber separation baffle, a 18-fiber discharge port, a 19-fiber conveying pipeline, a 20-spraying device, a 21-spray head, a 22-liquid medicine outlet pipeline, a 23-manual feed port, a 24-stirring motor, a 25-pellet hopper, a 26-spiral conveying pipeline, a 27-spiral conveying device, a 28-storage chamber, a 29-liquid level sensor, a 30-liquid outlet, a 31-pellet discharge port, a 32-liquid medicine outlet, a 33-liquid inlet, 34-paddles and a 35-stirring shaft.
Detailed Description
Referring to fig. 1 to 5, a multi-material temporary plugging agent stirring device comprises a skid-mounted box body 1, a stirring tank 2, a granule temporary plugging agent feeder 3, an input pump set 4, a fiber feeder 5, a climbing ladder 6, a material lifter 7, a generator set 8, an air compressor 9, an output pump set 10, a liquid medicine pump 11, a control room 12, a spraying device 20 and a control system.
The input pump set 4 is two centrifugal pumps with the same model and specification, one of the centrifugal pumps works normally and the other of the centrifugal pumps works for standby in operation, and is connected with a liquid inlet 33 at the top end of the stirring tank 2 through a pipeline; the output pump set 10 is two centrifugal pumps with the same model and specification, one of the centrifugal pumps works normally and the other of the centrifugal pumps works for standby in operation, and is connected with a liquid outlet 30 at the bottom of the stirring tank 2 through a pipeline; the pellet discharge port 31 of the pellet temporary plugging agent feeder 3 extends to the top of the stirring tank 2; the fiber feeder 5 comprises a fiber hopper 13, a fiber separation chamber 14, a fiber separation baffle 17, a fiber discharge port 18 and a fiber driving motor 15; the fiber driving motor 15 is a variable frequency explosion-proof motor and is connected with a rotating shaft of the fiber separation baffle 17 through a coupler, and the feeding speed of the fibers is controlled through the difference of rotating speeds; the fiber discharge port 18 is respectively connected with the air compressor 9 and the fiber conveying pipeline 19 through a three-way pipe with a Venturi structure, and air can form negative pressure at the fiber discharge port 18 to adsorb fibers and blow the fibers to the spraying device 20 through the fiber conveying pipeline 19 after being sent out by the air compressor 9; the spraying device 20 is arranged at the top of the stirring tank 2, and the spraying device 20 is provided with 2-4 spray heads 21 for spraying special liquid medicine pumped by the liquid medicine pump 11 to the fiber; the liquid medicine outlet pipeline 22 of the liquid medicine pump 11 is respectively connected with the spraying device 20 and the liquid medicine outlet 32 at the top of the stirring tank 2 through a three-way pipe, fibers can be gathered under the adsorption of special liquid medicine and quickly fall into the solution of the stirring tank 2, and are quickly mixed with the solution under the stirring action of the stirring motor 24, so that the air-fed fibers can be effectively prevented from drifting into the air to pollute the environment and damage the health of a human body; the stirring tank 2 is internally provided with a liquid level sensor 29, five layers of liquid level surfaces from liquid level A to liquid level E are arranged in total, and the displacement of the input pump set 4 and the output pump set 10 is controlled by liquid level change; the control system comprises liquid level control, material throwing control and material video monitoring equipment.
The fiber feeder 5 comprises a fiber hopper 13, a fiber separation chamber 14, a fiber separation baffle 17, a fiber discharge port 18 and a fiber driving motor 15; the pellet temporary plugging agent feeder 3 comprises a pellet hopper 25, a spiral conveying pipeline 26, a spiral conveying device 27 and a pellet driving motor 16; the material lifter 7 lifts the material by using a winch; during operation, workers convey fiber and granular temporary plugging agents required by the current fracturing to the top of the skid-mounted box body 1 through the material lifter 7, the top cover is opened to respectively add the fiber and granular temporary plugging agents to the fiber hopper 13 of the fiber feeder 5 and the granular hopper 25 of the granular temporary plugging agent feeder 3, the volumes of the fiber hopper 13 and the granular hopper 25 are respectively 0.6m 3 and 0.4m 3, the required temporary plugging agent materials for the primary fracturing can be stored, and video monitoring equipment is arranged inside the two hoppers and used for monitoring the material feeding condition.
The stirring tank 2 comprises a liquid level sensor 29, a stirring motor 24, a manual feeding port 23 and a spraying device 20, wherein a liquid outlet 30 is formed in the bottom of the stirring tank, a granule discharging port 31, a liquid medicine outlet 32 and a liquid inlet 33 are formed in the top of the stirring tank, and two layers of paddles 34 are mounted on a stirring shaft 35 of the stirring motor 24.
In this embodiment, the sled case body 1 is equipped with the door structure all around, can make things convenient for the connection of manifold and convenient for overhaul, maintenance during operation. The top of sled case body 1 is capped, is equipped with the top cap of being connected with the fibre hopper 13 of fibre batch feeder 5, the pellet hopper 25 of pellet temporary plugging agent batch feeder 3, manual feed port 23, and the required material of supplying the workman to once operation is thrown into inside the hopper can be opened to the top cap, and the effect of manual feed port 23 is when the trouble takes place for fibre batch feeder 5 or pellet temporary plugging agent batch feeder 3, in the manual work throw into agitator tank 2 with required material. The top of the skid-mounted box body 1 is provided with a turnover type protective railing, and the protective railing is spliced upwards during operation to protect the safety of workers and can be disassembled downwards during transportation.
Specifically, as shown in fig. 6, the liquid level sensor 29 in the stirring tank 2 is provided with five liquid level surfaces of liquid levels a to E to control the displacement of the input pump set 4 and the output pump set 10, wherein the liquid level a is the minimum warning liquid level, and the output pump set 10 stops working when the liquid level is lower than the liquid level a; the liquid level E is the highest warning liquid level, and when the liquid level exceeds the liquid level E, the input pump set 4 immediately stops working; the liquid level B is the lowest working liquid level, and when the liquid level is lower than the liquid level B, the displacement of the output pump set 10 is two thirds of the set working displacement; the liquid level D is the highest working liquid level, and when the liquid level exceeds the liquid level D, the displacement of the input pump set 4 is two thirds of the set working displacement; the liquid level C is the ideal working level. In addition, the change of the liquid level also controls the change of the feeding speed of the temporary plugging agent of the fiber and the granules.
In this embodiment, the control room 12 is located at the leftmost side or the rightmost side of the skid-mounted box 1, and the control system of the whole set of device should be configured with a control cabinet, a frequency converter, a display and a video monitoring device, so as to facilitate centralized control and monitoring; the flow of the control system is shown in figure 7, the working displacement and the throwing speed of the fiber and aggregate temporary plugging agent are set in advance during operation, after the pump is started, the input pump set 4 starts to work according to the set working displacement, when the liquid level reaches the liquid level A, the stirring motor 24 is started, after the liquid level B is reached, the output pump set 10 starts to work according to two thirds of the set working displacement, the air compressor 9, the fiber feeder 5 and the aggregate temporary plugging agent feeder 3, the liquid level C is an ideal working liquid level, the liquid level control program is activated after the liquid level C is reached for the first time, the displacement of the output pump set 10 and the input pump set 4 starts to be controlled by the liquid level height, and in particular, when the liquid level is lower than the liquid level A, the output pump set 10 stops working; the output pump 10 operates to set two-thirds of the working displacement when the liquid level is between level a and level B; the liquid level B to the liquid level D are normal working sections, and the output pump set 10 and the input pump set 4 work at set working displacement; when the liquid level is between the liquid level D and the liquid level E, the input pump set 4 works at two thirds of the set working displacement, and the feeding speed of the temporary plugging agent of the fiber and the granules is changed into two thirds of the set speed; when the liquid level exceeds the liquid level E, the input pump set 4 stops working immediately, and the temporary plugging agent of the fiber and the granules is put into suspension. When all materials are put in, the input pump set 4, the air compressor 9, the fiber feeder 5 and the granule temporary plugging agent feeder 3 stop working, and when the liquid level is reduced to the liquid level A, the output pump set 10 stops working for 5 seconds at 70m 3/h.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The multi-material temporary plugging agent stirring device is characterized by mainly comprising a skid-mounted box body (1), a stirring tank (2), a granule temporary plugging agent feeder (3), an input pump set (4), a fiber feeder (5), a ladder (6), a material lifter (7), a generator set (8), an air compressor (9), an output pump set (10), a liquid medicine pump (11), a control room (12), a spraying device (20) and a control system;
The input pump set (4) is two centrifugal pumps with the same model and specification, one of the centrifugal pumps works normally and the other of the centrifugal pumps works for standby during operation, and is connected with a liquid inlet (33) at the top end of the stirring tank (2) through a pipeline; the output pump set (10) is two centrifugal pumps with the same model and specification, one of the centrifugal pumps works normally and the other of the centrifugal pump set works for standby during operation, and is connected with a liquid outlet (30) at the bottom of the stirring tank (2) through a pipeline; the pellet discharge port (31) of the pellet temporary plugging agent feeder (3) extends to the top of the stirring tank (2); the fiber feeder (5) comprises a fiber hopper (13), a fiber separation chamber (14), a fiber separation baffle (17), a fiber discharge port (18) and a fiber driving motor (15), wherein the fiber discharge port (18) is respectively connected with an air compressor (9) and a fiber conveying pipeline (19) through a three-way pipe with a venturi structure; the spraying device (20) is arranged at the top of the stirring tank (2) and is connected with the fiber discharge port (18) through a fiber conveying pipeline (19); the liquid medicine outlet pipeline (22) of the liquid medicine pump (11) is respectively connected with the spraying device (20) at the top of the stirring tank (2) and the liquid medicine outlet (32) through three-way pipes; the stirring tank (2) is internally provided with a liquid level sensor (29) which is provided with five layers of liquid level surfaces from liquid level A to liquid level E, and the displacement of the input pump set (4) and the output pump set (10) is controlled by liquid level change; the control system comprises liquid level control, material throwing control and material video monitoring equipment.
2. The multi-material temporary plugging agent stirring device according to claim 1, wherein the skid-mounted box body (1) is a skid-mounted container with the length of 6.5-9.5 m, the width of 2-2.5 m and the height of 2.2-2.8 m.
3. The multi-material temporary plugging agent stirring device according to claim 1, wherein the pellet temporary plugging agent feeder (3) comprises a pellet hopper (25), a screw conveying pipeline (26), a screw conveying device (27) and a pellet driving motor (16).
4. The multi-material temporary plugging agent stirring device according to claim 1, wherein the stirring tank (2) further comprises a stirring motor (24), a manual feeding hole (23) and a spraying device (20), a liquid outlet (30) is formed in the bottom of the stirring tank (2), a granule discharging hole (31), a liquid medicine outlet (32) and a liquid inlet (33) are formed in the top of the stirring tank, and two layers of paddles (34) are arranged on a stirring shaft (35) of the stirring motor (24).
5. The multi-material temporary plugging agent stirring device according to claim 1, wherein the input pump set (4) is two variable frequency centrifugal pumps with the same model, the flow rate of the variable frequency centrifugal pumps can be controlled to be 20-100 m 3/h, and the variable frequency centrifugal pumps are communicated with a liquid inlet (33) at the top of the stirring tank (2) through a pipeline; the output pump set (10) is two variable frequency centrifugal pumps with the same model, the flow rate of the variable frequency centrifugal pumps can be controlled to be 20-100 m 3/h, and the variable frequency centrifugal pumps are communicated with a liquid outlet (30) at the bottom of the stirring tank (2) through a pipeline.
6. The multi-material temporary plugging agent stirring device according to claim 1, wherein a crawling ladder (6) and a material lifter (7) are arranged outside the skid-mounted box body (1), and materials are lifted by utilizing a winch.
7. The multi-material temporary plugging agent stirring device according to claim 1, wherein a control room (12) is arranged at the leftmost side or the rightmost side of the skid-mounted box body (1), and a control system of the whole device is assembled, and a control cabinet, a frequency converter, a display and video monitoring equipment are arranged, so that centralized control and monitoring are facilitated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322353053.9U CN220940185U (en) | 2023-08-31 | 2023-08-31 | Multi-material temporary plugging agent stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322353053.9U CN220940185U (en) | 2023-08-31 | 2023-08-31 | Multi-material temporary plugging agent stirring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220940185U true CN220940185U (en) | 2024-05-14 |
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ID=91019069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322353053.9U Active CN220940185U (en) | 2023-08-31 | 2023-08-31 | Multi-material temporary plugging agent stirring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220940185U (en) |
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2023
- 2023-08-31 CN CN202322353053.9U patent/CN220940185U/en active Active
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