CN114061660A - Experimental device and method for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying - Google Patents
Experimental device and method for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000012530 fluid Substances 0.000 claims abstract description 50
- 238000011084 recovery Methods 0.000 claims abstract description 32
- 238000004088 simulation Methods 0.000 claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 52
- 238000003860 storage Methods 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- 239000004576 sand Substances 0.000 claims description 15
- 238000002474 experimental method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 238000009825 accumulation Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000003079 shale oil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- 230000009466 transformation Effects 0.000 description 1
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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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
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
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Abstract
The invention discloses an experimental device and method for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying, wherein the experimental device comprises a sand-carrying fluid configuration system, a multi-cluster double-wing hydraulic fracture system, a sand-carrying fluid recovery system and a monitoring system which are sequentially connected; the multi-cluster double-wing hydraulic fracture system comprises a horizontal shaft, wherein N perforating holes are formed in the horizontal shaft, N is an even number which is more than or equal to 4, at least two perforating holes are arranged on the same axis to form a multi-cluster, two forming double wings are symmetrically arranged on the perforating holes in the same radial direction, and each perforating hole is connected with a fracture simulation model; the inlet of the horizontal shaft is connected with the outlet of the sand-carrying fluid configuration system, and the outlet of the horizontal shaft and the outlet of the fracture simulation model are both connected with the sand-carrying fluid recovery system; the monitoring system comprises a flow meter, a pressure meter and a camera. The horizontal well multi-cluster double-wing hydraulic fracture proppant conveying device can simulate the horizontal well multi-cluster double-wing hydraulic fracture proppant conveying condition and provides technical support for horizontal well staged fracturing.
Description
Technical Field
The invention relates to the technical field of yield increase of oil and gas reservoirs, in particular to an experimental device and method for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying.
Background
At present, the key point of oil and gas exploitation in China is extended from conventional oil and gas reservoirs to unconventional oil and gas reservoirs such as hypotonic oil and gas reservoirs, compact oil and gas reservoirs and shale oil and gas reservoirs, and the staged fracturing technology of horizontal wells is an important measure for yield increase and transformation of the unconventional oil and gas reservoirs. In the staged fracturing process of the horizontal well, a mixture of fracturing fluid and a propping agent sequentially passes through a ground pipe system, a vertical section pipe column and a horizontal section pipe column after coming out of a pump set, and then enters the fracture for migration, sedimentation and laying, and the final laying form of the mixture in the fracture determines the fracturing effect and the final oil-gas productivity.
Due to the importance of conveying and laying the propping agent in the cracks, at present, many experiments and numerical simulation researches about the conveying of the propping agent of the horizontal well are carried out at home and abroad. However, the existing experimental device and research for conveying the proppant mainly aim at main cracks or complex cracks formed by single clusters in a single section during staged fracturing of a horizontal well, and the stratum in the actual fracturing process is simultaneously fed with liquid by multiple clusters of double-wing cracks, so that the problems of multiple clusters of cracks with different characteristics (different crack lengths, crack heights and crack widths), flow distribution among different cracks and among different inlets of the same crack and the like exist, and the existing experimental device cannot perform effective simulation.
Disclosure of Invention
Aiming at the problems, the invention aims to provide an experimental device and method for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying, which can better reproduce flow phenomena in a pipe column and a fracture in the staged fracturing process of an unconventional reservoir horizontal well indoors.
The technical scheme of the invention is as follows:
on one hand, the experimental device for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying comprises a sand-carrying fluid configuration system, a multi-cluster double-wing hydraulic fracture system, a sand-carrying fluid recovery system and a monitoring system which are sequentially connected;
the multi-cluster double-wing hydraulic fracture system comprises a horizontal shaft, wherein N perforating holes are formed in the horizontal shaft, N is an even number which is more than or equal to 4, at least two perforating holes are arranged on the same axis to form a multi-cluster, two forming double wings are symmetrically arranged on the perforating holes in the same radial direction, and each perforating hole is connected with a fracture simulation model;
the inlet of the horizontal shaft is connected with the outlet of the sand-carrying fluid configuration system, and the outlet of the horizontal shaft and the outlet of the fracture simulation model are both connected with the sand-carrying fluid recovery system;
the monitoring system comprises a flow meter, a pressure meter and a camera, wherein the flow meter is provided with a plurality of pressure meters which are respectively arranged between pipelines connected with the sand-carrying liquid configuration system and the horizontal shaft and between pipelines connected with the fracture simulation model and the sand-carrying liquid recovery system, the pressure meters are provided with a plurality of pressure meters which are respectively arranged between pipelines connected with the sand-carrying liquid configuration system and the horizontal shaft, on the horizontal shaft at the perforation input end and between pipelines connected with the horizontal shaft and the sand-carrying liquid recovery system, the camera is provided with a plurality of pressure meters, the number of the pressure meters is the same as that of the fracture simulation model, and one camera shoots the conveying condition of the propping agent in one fracture simulation model.
Preferably, a plurality of horizontal shaft bodies are arranged, the plurality of horizontal shaft bodies are arranged in parallel on the same vertical plane, the perforation on each horizontal shaft body is on the same vertical plane, and the perforation on the same side of the same vertical plane is connected with the same fracture simulation model.
Preferably, the horizontal shaft comprises two vertical shafts which are respectively arranged at the inlet end and the outlet end of the horizontal shaft.
Preferably, the sand-carrying fluid configuration system comprises a fluid storage tank, a first delivery pump, a sand mixing tank and a second delivery pump which are sequentially connected, a first valve is arranged between the fluid storage tank and the first delivery pump, a second valve is arranged between the sand mixing tank and the second delivery pump, the second delivery pump is connected with the horizontal shaft, a third valve is arranged on a connected pipeline, and a flow meter and a pressure meter which are arranged between pipelines connected with the horizontal shaft of the sand-carrying fluid configuration system are sequentially arranged between the third valve and the horizontal shaft.
Preferably, the first valve and the second valve are gate valves, and the third valve is a regulating valve.
Preferably, the sand-carrying fluid recovery system comprises a solid-liquid separator, a proppant recovery storage tank and a liquid recovery storage tank.
Preferably, the solid-liquid separator adopts a cyclone desander.
Preferably, the liquid recovery storage tank and the liquid storage tank are the same storage tank.
On the other hand, the experimental method for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying is provided, the experimental device for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying is adopted for carrying out experiments, and the experimental method comprises the following steps: disposing a sand-carrying fluid in the sand-carrying fluid disposition system; pumping the sand-carrying fluid into the multi-cluster double-wing hydraulic fracture system, monitoring the conveying process of the propping agent by using the monitoring system, and recovering the sand-carrying fluid by using the sand-carrying fluid recovery system after the conveying is finished.
The invention has the beneficial effects that:
the experimental device can simulate the accumulation condition of the propping agent in the crack more truly; when in use, the crack simulation model can be changed according to requirements, so as to simulate different characteristic crack conditions, such as different crack heights, different crack widths, different crack lengths, multiple clusters of complex seam nets and the like; the flow meter and the pressure gauge can effectively monitor the flow distribution problem and the pressure change condition; the accumulation condition in the proppant conveying process can be monitored by the arranged camera; the valve at the front end of the horizontal shaft and the valve at the outlet of the crack simulation model are adjusted, so that different perforation liquid inlet conditions and different flow distribution conditions among the crack simulation models can be simulated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an experimental apparatus according to an embodiment of the present invention.
Reference numbers in the figures: the method comprises the following steps of 1-horizontal shaft, 2-crack simulation model, 3-flowmeter, 4-pressure gauge, 5-camera, 6-vertical shaft, 7-exhaust valve, 8-liquid discharge valve, 9-liquid storage tank, 10-first delivery pump, 11-sand mixing tank, 12-second delivery pump, 13-first valve, 14-second valve, 15-third valve, 16-solid-liquid separator, 17-proppant recovery storage tank and 18-fourth valve.
Detailed Description
The invention is further illustrated with reference to the following figures and examples. It should be noted that, in the present application, the embodiments and the technical features of the embodiments may be combined with each other without conflict. It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The use of the terms "comprising" or "including" and the like in the present disclosure is intended to mean that the elements or items listed before the term cover the elements or items listed after the term and their equivalents, but not to exclude other elements or items.
In the present invention, the terms "first", "second", and the like are used for distinguishing similar objects, but not for describing a particular order or sequence order, unless otherwise specified. It is to be understood that the terms so used; the terms "upper", "lower", "left", "right", and the like are used generally with respect to the orientation shown in the drawings, or with respect to the component itself in a vertical, or gravitational orientation; likewise, "inner", "outer", and the like refer to the inner and outer relative to the contours of the components themselves for ease of understanding and description. The above directional terms are not intended to limit the present invention.
On one hand, as shown in fig. 1, the invention provides an experimental device for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying, which comprises a sand-carrying fluid configuration system, a multi-cluster double-wing hydraulic fracture system, a sand-carrying fluid recovery system and a monitoring system which are sequentially connected;
the multi-cluster double-wing hydraulic fracture system comprises a horizontal shaft 1, wherein N perforating holes are formed in the horizontal shaft 1, N is an even number which is more than or equal to 4, at least two perforating holes are arranged on the same axis to form a multi-cluster, two forming double wings are symmetrically arranged on the perforating holes in the same radial direction, and each perforating hole is connected with a fracture simulation model 2;
the inlet of the horizontal shaft 1 is connected with the outlet of the sand-carrying fluid configuration system, the outlet of the horizontal shaft 1 and the outlet of the fracture simulation model 2 are both connected with the sand-carrying fluid recovery system, and valves are arranged on the connected pipelines;
the monitoring system comprises a flow meter 3, a pressure meter 4 and a camera 5, wherein the flow meter 3 is arranged in a plurality of modes and is respectively arranged between pipelines connected with the sand-carrying fluid configuration system and the horizontal shaft 1 and between pipelines connected with the fracture simulation model 2 and the sand-carrying fluid recovery system, the pressure meter 4 is arranged in a plurality of modes and is respectively arranged between pipelines connected with the sand-carrying fluid configuration system and the horizontal shaft 1, on the horizontal shaft 1 at the perforation input end and between pipelines connected with the horizontal shaft 1 and the sand-carrying fluid recovery system, the camera 5 is arranged in a plurality of modes and has the same number as the fracture simulation models 2, and one camera 5 shoots the conveying condition of the propping agent in one fracture simulation model 2.
It should be noted that, in the above embodiments, the fracture simulation model is the prior art, and the specific structure is not described herein again. It should be noted that due to the heterogeneous characteristic of the shale reservoir, the fracture degrees at different positions are different, so that the flow rate of the fracturing fluid entering each cluster of fractures is different.
In a specific embodiment, a plurality of horizontal well bores 1 are arranged, and a plurality of horizontal well bores 1 are arranged in parallel on the same vertical plane, the perforations on each horizontal well bore 1 are on the same vertical plane, and the perforations on the same side of the same vertical plane are connected with the same fracture simulation model 2.
It should be noted that the flow entering the fracture simulation model through the perforation of the horizontal wellbore can affect the laying form of the proppant, so that the flow of the horizontal wellbore where the valve is located can be controlled by adjusting the valve at the front end of the horizontal wellbore, thereby realizing the effect of different perforation liquid distribution conditions on the stacking form of the proppant.
In the above embodiment, optionally, the experimental apparatus further includes two vertical well bores 6, where the two vertical well bores 6 are respectively disposed at the inlet end and the outlet end of the horizontal well bore 1, and a perforation is disposed in a position of the vertical well bore 6 corresponding to the horizontal well bore 1. So, can be in vertical pit shaft 6 is last to set up upper and lower valve, the inside air of discharge experimental apparatus to make things convenient for the experimental apparatus sand removal. Optionally, the horizontal shaft 1 and the vertical shaft 6 are connected by welding. Optionally, the top of the vertical shaft 6 is provided with an exhaust valve 7, and the bottom is provided with a drain valve 8.
In a specific embodiment, the sand-carrying fluid configuration system comprises a liquid storage tank 9, a first delivery pump 10, a sand mixing tank 11 and a second delivery pump 12 which are connected in sequence, a first valve 13 is arranged between the liquid storage tank 9 and the first delivery pump 10, a second valve 14 is arranged between the sand mixing tank 11 and the second delivery pump 12, the second delivery pump 12 is connected with the horizontal shaft 1, a third valve 15 is arranged on a connected pipeline, and a flow meter 3 and a pressure meter 4 which are arranged between pipelines connected with the horizontal shaft 1 of the sand-carrying fluid configuration system are sequentially arranged between the third valve 15 and the horizontal shaft 1; the sand-carrying fluid recovery system comprises a solid-liquid separator 16, a proppant recovery storage tank 17 and a liquid recovery storage tank, wherein an input port of the solid-liquid separator 16 is connected with an output port of the horizontal shaft 1, and a valve IV 18 is arranged on a pipeline connected with the input port of the solid-liquid separator.
Optionally, the first valve 13 and the second valve 14 are gate valves, the third valve 15 is a regulating valve, and the solid-liquid separator 16 is a cyclone sand remover. The regulating valve not only has a blocking function, but also can regulate flow. It should be noted that the gate valve, the regulating valve and the cyclone desander are all in the prior art, and the specific structure is not described herein again.
In order to recycle the liquid in the sand-carrying liquid and save resources, optionally, the liquid recovery storage tank and the liquid storage tank 9 are the same storage tank, so that the experimental device forms a closed circulation system.
In a specific embodiment, liquid level meters are further arranged on the liquid storage tank 9 and the sand mixing tank 11, and the liquid level height in the tanks can be visually observed through the liquid level meters.
In a specific embodiment, a backlight source is arranged on the fracture simulation model 2, and the effect of shooting by the camera 5 can be better through the backlight source, so that the accumulation condition of the proppant in the fracture can be seen more clearly.
In a specific embodiment, the monitoring system further comprises a computer, and the flow meter 3, the pressure gauge 4 and the camera 5 are respectively connected with the computer.
In a specific embodiment, the connecting pipelines between the sand-carrying fluid configuration system and the multi-cluster double-wing hydraulic fracture system, the connecting pipelines between the fracture simulation model 2 and the sand-carrying fluid recovery system, and the connecting pipelines between the horizontal shaft 1 and the sand-carrying fluid recovery system are all steel pipes (the pipelines with lighter colors in the figure) to form a steel pipe frame, and the other connecting pipelines are flexible pipes. In this embodiment, the camera 5 is optionally placed by a camera support.
On the other hand, the invention also provides an experimental method for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying, which adopts any one experimental device for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying to carry out experiments and comprises the following steps: disposing a sand-carrying fluid in the sand-carrying fluid disposition system; pumping the sand-carrying fluid into the multi-cluster double-wing hydraulic fracture system, monitoring the conveying process of the propping agent by using the monitoring system, and recovering the sand-carrying fluid by using the sand-carrying fluid recovery system after the conveying is finished.
In a specific embodiment, the experimental device shown in fig. 1 is used for carrying out a proppant conveying experiment simulating horizontal well multi-cluster double-wing hydraulic fracture, and comprises the following steps:
(1) arranging corresponding backlight sources at the outer sides of the crack simulation models 2;
(2) closing all the delivery pumps and valves, injecting clear water into the liquid storage tank 9, opening all the delivery pumps and valves to enable the clear water to circulate in the experimental device, observing whether each part leaks or not, detecting the sealing performance, starting the next step if the sealing performance is good, and fastening the corresponding liquid leaking part to enable the corresponding liquid leaking part to be well sealed until the liquid does not leak if the liquid leaks in the experimental device;
(3) clear water in the experimental device is removed, all the delivery pumps and valves are closed, experimental liquid is prepared in the liquid storage tank 9, and the dosage of the required propping agent is calculated;
(4) adjusting the camera 5 to a required observation area, starting a computer, starting the software of a camera system, and opening the installed crack backlight source;
(5) opening a first valve 13, opening a first delivery pump 10, opening a motor of a sand mixing tank 11, allowing liquid to enter the sand mixing tank 11, adding the calculated propping agent into the sand mixing tank 11 through a feed inlet of the sand mixing tank 11, and stirring while adding to uniformly mix the liquid and the propping agent to form sand-carrying liquid;
(6) opening a second valve 14, a third valve 15 and a fourth valve 18, starting a second delivery pump 12, allowing the sand-carrying liquid to enter a proppant delivery system, observing whether gas exists in the cracks, if so, opening an exhaust valve at the top of the vertical shaft to exhaust the gas, and adjusting the third valve 18 to enable the input flow to reach a target flow value;
(7) observing the accumulation form of the propping agent, and summarizing the conveying rule of the horizontal well multi-cluster double-wing hydraulic fracture propping agent according to the flow and pressure obtained by collection;
(8) and stopping conveying when the experiment reaches the preset conveying time, cleaning the equipment, and ending the experiment.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A simulated horizontal well multi-cluster double-wing hydraulic fracture proppant conveying experimental device is characterized by comprising a sand-carrying fluid preparation system, a multi-cluster double-wing hydraulic fracture system, a sand-carrying fluid recovery system and a monitoring system which are sequentially connected;
the multi-cluster double-wing hydraulic fracture system comprises a horizontal shaft, wherein N perforating holes are formed in the horizontal shaft, N is an even number which is more than or equal to 4, at least two perforating holes are arranged on the same axis to form a multi-cluster, two forming double wings are symmetrically arranged on the perforating holes in the same radial direction, and each perforating hole is connected with a fracture simulation model;
the inlet of the horizontal shaft is connected with the outlet of the sand-carrying fluid configuration system, and the outlet of the horizontal shaft and the outlet of the fracture simulation model are both connected with the sand-carrying fluid recovery system;
the monitoring system comprises a flow meter, a pressure meter and a camera, wherein the flow meter is provided with a plurality of pressure meters which are respectively arranged between pipelines connected with the sand-carrying liquid configuration system and the horizontal shaft and between pipelines connected with the fracture simulation model and the sand-carrying liquid recovery system, the pressure meters are provided with a plurality of pressure meters which are respectively arranged between pipelines connected with the sand-carrying liquid configuration system and the horizontal shaft, on the horizontal shaft at the perforation input end and between pipelines connected with the horizontal shaft and the sand-carrying liquid recovery system, the camera is provided with a plurality of pressure meters, the number of the pressure meters is the same as that of the fracture simulation model, and one camera shoots the conveying condition of the propping agent in one fracture simulation model.
2. The experimental device for simulating the horizontal well multi-cluster double-wing hydraulic fracture proppant conveying according to claim 1, wherein a plurality of horizontal well shafts are arranged and arranged in parallel on the same vertical plane, the perforation on each horizontal well shaft is on the same vertical plane, and the perforation on the same side of the same vertical plane is connected with the same fracture simulation model.
3. The experimental device for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying according to claim 2, further comprising two vertical shafts, wherein the two vertical shafts are respectively arranged at the inlet end and the outlet end of the horizontal shaft.
4. The experimental device for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying according to claim 1, wherein the sand-carrying fluid configuration system comprises a liquid storage tank, a first conveying pump, a sand mixing tank and a second conveying pump which are sequentially connected, a first valve is arranged between the liquid storage tank and the first conveying pump, a second valve is arranged between the sand mixing tank and the second conveying pump, the second conveying pump is connected with the horizontal shaft, a third valve is arranged on a connected pipeline, and a flow meter and a pressure meter which are arranged between the third valve and the horizontal shaft are sequentially arranged between the third valve and the horizontal shaft.
5. The experimental device for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying according to claim 4, wherein the first valve and the second valve are gate valves, and the third valve is an adjusting valve.
6. The experimental device for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying according to claim 4, wherein the sand-carrying fluid recovery system comprises a solid-liquid separator, a proppant recovery storage tank and a liquid recovery storage tank.
7. The experimental device for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying according to claim 6, wherein the solid-liquid separator adopts a cyclone sand remover.
8. The experimental device for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying according to claim 6 or 7, wherein the liquid recovery storage tank and the liquid storage tank are the same storage tank.
9. The experimental method for simulating horizontal well multi-cluster double-wing hydraulic fracture proppant conveying is characterized by comprising the following steps of: disposing a sand-carrying fluid in the sand-carrying fluid disposition system; pumping the sand-carrying fluid into the multi-cluster double-wing hydraulic fracture system, monitoring the conveying process of the propping agent by using the monitoring system, and recovering the sand-carrying fluid by using the sand-carrying fluid recovery system after the conveying is finished.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115030703A (en) * | 2022-07-05 | 2022-09-09 | 长江大学 | Device and method for simulating horizontal well multistage clustering fracturing proppant distribution |
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| CN110965980A (en) * | 2020-01-17 | 2020-04-07 | 西南石油大学 | Proppant conveying experimental device and method capable of obtaining proppant particle size distribution |
| CN111550230A (en) * | 2020-04-02 | 2020-08-18 | 中国石油大学(北京) | System for performing fracturing diagnosis based on water hammer pressure wave signal and fracturing diagnosis method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030703A (en) * | 2022-07-05 | 2022-09-09 | 长江大学 | Device and method for simulating horizontal well multistage clustering fracturing proppant distribution |
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