CN114034465B - Pre-mixed foam abrasive jet rock breaking experimental system and experimental method - Google Patents
Pre-mixed foam abrasive jet rock breaking experimental system and experimental method Download PDFInfo
- Publication number
- CN114034465B CN114034465B CN202111329956.2A CN202111329956A CN114034465B CN 114034465 B CN114034465 B CN 114034465B CN 202111329956 A CN202111329956 A CN 202111329956A CN 114034465 B CN114034465 B CN 114034465B
- Authority
- CN
- China
- Prior art keywords
- foam
- pressure
- valve
- gate valve
- rock breaking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000006260 foam Substances 0.000 title claims abstract description 160
- 239000011435 rock Substances 0.000 title claims abstract description 43
- 238000002474 experimental method Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 239000004576 sand Substances 0.000 claims abstract description 44
- 230000000694 effects Effects 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 238000002360 preparation method Methods 0.000 claims abstract description 18
- 238000005086 pumping Methods 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000004088 foaming agent Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000003431 cross linking reagent Substances 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 239000010438 granite Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000002562 thickening agent Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003082 abrasive agent Substances 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 5
- 238000011160 research Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Fluid Mechanics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention discloses a pre-mixed foam abrasive jet rock breaking experimental system and an experimental method, wherein the experimental system comprises a foam preparation device for preparing high-pressure foam, a foam pressurizing device for increasing foam pressure, a special pressure sand mixing device for forming foam abrasive and a high-pressure pumping device for forming jet flow; the foam preparation device is characterized in that generated foam enters the liquid inlet end of the foam pressurizing device through the liquid outlet end of the heating device, pressurized foam fluid enters the sand mixer in the pressurized sand mixing device through the liquid outlet end of the pressurizing cylinder, foam is mixed with abrasive materials in the pressurized sand mixing device to obtain foam abrasive materials, the foam abrasive materials are sprayed out by the high-pressure pumping device to form high-pressure foam abrasive material jet flow, the experimental system is reasonable in design, and experimental researches on the influence of the foam pure jet flow on rock breaking performance, the influence of the foam quality on the rock breaking effect, and the influence of the foam jet flow on the rock breaking performance under different physical parameters, structural parameters and operation parameters such as the test of the foam abrasive material jet flow rock breaking effect can be realized.
Description
Technical Field
The invention belongs to the technical field of jet flow rock breaking experimental systems, and particularly relates to a pre-mixed foam abrasive jet flow rock breaking experimental system and an experimental method.
Background
The horizontal well multistage fracturing technology becomes one of the main modes of the existing unconventional oil and gas field exploitation, in the process of the unconventional oil and gas field exploitation by adopting the multistage fracturing technology, the problem of easy leakage occurs in the unconventional oil and gas field multistage fracturing, the hydraulic fracturing technology is replaced by foam fracturing, and compared with the conventional fracturing construction, the foam fracturing is an effective novel means of the existing unconventional oil and gas field reservoir reconstruction due to the advantages of small formation damage, low filtration loss, less well entering liquid, rapid flowback, strong sand carrying capacity and the like, and under the severe environment-friendly situation, the characteristics of single well entering liquid, less flowback liquid and the like of the foam fracturing also provide a solution for the problem of fracturing flowback liquid treatment. However, the damage mechanism of the foam abrasive jet flow to different lithology is not clear at present, and the parameter setting basis is lacked. Therefore, the invention provides the pre-mixed foam abrasive jet rock breaking experimental system and the experimental method, the experimental system is reasonable in design, and experimental researches on the influence of foam pure jet on rock breaking performance, the influence of foam quality on rock breaking effect, and the influence of foam jet on rock breaking performance under different physical parameters, structural parameters and operation parameters such as foam abrasive jet rock breaking effect test can be realized.
Disclosure of Invention
In order to provide basis for researching the damage mechanisms of different lithologies and setting parameters in the current foam fracturing, the invention designs a pre-mixed foam abrasive jet experiment system which is reasonable in design and can research the foam jet rock breaking characteristics under different operation parameters, physical parameters and structural parameters.
The utility model provides a preceding mixed foam abrasive material efflux broken rock experimental system, experimental system includes foam preparation facilities, foam supercharging device, area pressure sand mixing device and high-pressure pumping device, area pressure sand mixing device includes the sand mixer, the second gate valve, the second manometer, the third gate valve, the fourth gate valve, fifth gate valve, sixth gate valve, third manometer and second flowmeter, the second gate valve, second manometer and third gate valve are installed at the sand mixer top respectively, the fourth gate valve is installed in sand mixer entrance, fifth gate valve is installed in sand mixer exit, set up connecting line before sand mixer entrance and the export, and set up sixth gate valve on the connecting line, foam fluid after foam preparation facilities will produce foam enters into foam supercharging device through heating device liquid outlet end entering sand mixer or directly gets into high-pressure pumping device after passing through sixth gate valve in proper order, high-pressure pumping device includes high-pressure pump, seventh gate valve, efflux valve and the pump that connect gradually, third manometer and second flowmeter are installed on the connecting line between the sand mixer exit and high-pressure pump.
Further, the foam preparation device comprises a solution tank, a first plunger pump, a gate valve, a pressure gauge, a foaming agent tank, a dosing pump, a foam generating device, a heating device, a gas storage tank, a first one-way valve, a pressure reducing valve, a flowmeter, a low-temperature heat exchange system and a second plunger pump; the liquid outlet end of the solution tank is connected with the liquid inlet end of the first plunger pump, the liquid outlet end of the first plunger pump is connected with the gate valve and the pressure gauge, the liquid outlet end of the foaming agent tank is connected with the liquid inlet end of the dosing pump, the gas storage tank, the first one-way valve, the pressure reducing valve, the flowmeter, the low-temperature heat exchange system and the second plunger pump are sequentially connected, the liquid outlet end of the pressure gauge, the liquid outlet end of the dosing pump and the liquid outlet end of the second plunger pump are connected with the liquid inlet end of the foam generating device, and foam generated by the foam generating device is heated by the heating device and then enters the foam pressurizing device through the high-pressure pipeline.
Further, the foam supercharging device comprises an oil tank, an oil pump, a second one-way valve, a proportional overflow valve, an electromagnetic directional valve, a supercharging cylinder, a third one-way valve, a fourth one-way valve, a fifth one-way valve and a sixth one-way valve, wherein the oil outlet end of the oil tank is connected with the oil inlet end of the oil pump, the oil outlet end of the oil pump is connected with the oil inlet end of the second one-way valve, the oil outlet end of the second one-way valve is respectively connected with the oil inlet end of the proportional overflow valve and the electromagnetic directional valve, the oil outlet ends of the proportional overflow valve are respectively connected with the electromagnetic directional valve and the oil inlet end of a mailbox, the two outlet ends of the electromagnetic directional valve are respectively connected with the left high-pressure cavity and the right high-pressure cavity of the supercharging cylinder, the foam produced by the foam preparation device is divided into two paths through a high-pressure pipeline, one path is the foam is sequentially passed through the left high-pressure cavity of the third one-way valve and the supercharging cylinder, the fourth one-way valve is then connected with the sand mixing device or the high-pressure pumping device, and the other path is the foam is sequentially passed through the sixth one-way valve, the right high-pressure cavity of the supercharging device, the fifth high-pressure cavity and the foam is then passed through the high-pressure pump and the sand mixing device or the high-pressure pump device.
The experimental method of the pre-mixed foam abrasive jet rock breaking experimental system comprises the following steps:
step 1: preparing an experimental material, wherein the experimental material comprises a fully loaded gas storage tank, distilled water, chemicals, a thickening agent, a cross-linking agent and granite;
step 2: the experimental pipeline is connected, the foam preparation device, the foam pressurizing device, the sand mixing device with pressure and the high-pressure pumping device are connected through a high-pressure pipe, a pressure reducing valve of the foam preparation device is placed in a half-open state before an experiment, the smoothness of the experimental pipeline is ensured, the air tightness of the experimental pipeline is checked, a foam generating device in the foam preparation device is opened, the pressure reducing valve is adjusted to a proper outlet pressure, the foam pressurizing device is opened, a second gate valve, a third gate valve and a sixth gate valve in the sand mixing device with pressure are closed, and a jet valve is adjusted;
step 3: testing the rock breaking effect of the foam abrasive jet flow with different foam qualities, adjusting a second gate valve to control the proportion of the foam to the abrasive so as to form the foam abrasive jet flow with different foam qualities, and testing the influence of the foam abrasive jet flow with different foam qualities on the rock breaking effect;
step 4: the method comprises the steps of testing the rock breaking effect of pure foam jet, closing a fourth gate valve and a fifth gate valve, opening a sixth gate valve, adjusting a seventh gate valve to a normally open state, adjusting a jet valve to enable high-pressure foam fluid to enter a nozzle to form stable foam pure jet, and testing the rock breaking effect of the pure foam jet;
step 5: and (3) testing the rock breaking effect of the foam abrasive jet flow at different speeds, closing a sixth gate valve to adjust the jet flow valve to different positions for generating foam abrasive fluid at different speeds, and testing the influence of the foam abrasive jet flow at different speeds on the rock breaking effect.
The beneficial effects are that: the experimental system provided by the invention is reasonable in design, and can realize experimental researches on the influence of foam pure jet on rock breaking performance, the influence of foam quality on rock breaking effect, and the influence of foam jet on rock breaking performance under different physical parameters, structural parameters and operation parameters such as foam abrasive jet rock breaking effect test.
Drawings
FIG. 1 is a block diagram of a pre-mixed foam abrasive jet rock breaking experimental system.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention.
As shown in fig. 1, the post-mixed foam abrasive jet rock breaking experimental system comprises a foam preparation device for foam preparation, a foam pressurizing device for pressurizing, a sand mixing device with pressure and a high-pressure pumping device;
the foam preparation device comprises a solution tank 1, a first plunger pump 2, a first gate valve 3, a first pressure gauge 4, a foaming agent tank 5, a dosing pump 6, a foam generation device 7, a heating device 8, a gas storage tank 9, a first one-way valve 10, a pressure reducing valve 11, a flow meter 12, a low-temperature heat exchange system 13 and a second plunger pump 14; the liquid outlet end of the solution tank 1 is connected with the liquid inlet end of the first plunger pump 2, the liquid outlet end of the first plunger pump 2 is connected with the gate valve 3 and the pressure gauge 4, the liquid outlet end of the foaming agent tank 5 is connected with the liquid inlet end of the second plunger pump 13, the liquid outlet end of the gas storage tank 9 is connected with the liquid inlet end of the first one-way valve 10, the liquid outlet end of the first one-way valve 10 is connected with the liquid inlet end of the pressure reducing valve 11, the liquid outlet end of the pressure reducing valve 11 is connected with the liquid inlet end of the flowmeter 12, the liquid outlet end of the flowmeter 12 is connected with the liquid inlet end of the low-temperature heat exchange system 13, the liquid outlet end of the low-temperature heat exchange system 13 is connected with the liquid inlet end of the second plunger pump 14, the liquid outlet end of the pressure gauge 4, the liquid outlet end of the dosing pump 6 and the liquid outlet end of the second plunger pump 14 are connected with the liquid inlet end of the foam generating device 7, and the liquid outlet end of the foam generating device 7 is connected with the liquid inlet end of the heating device 8;
the foam supercharging device comprises an oil tank 15, an oil pump 16, a second one-way valve 17, a proportional overflow valve 18, an electromagnetic directional valve 19, a supercharging cylinder 20, a third one-way valve 21, a fourth one-way valve 22, a fifth one-way valve 23 and a sixth one-way valve 24; the oil outlet end of the oil tank 15 is connected with the oil inlet end of the oil pump 16, the oil outlet end of the oil pump 16 is connected with the oil inlet end of the second one-way valve 17, the oil outlet end of the second one-way valve 17 is respectively connected with the oil inlet end of the proportional overflow valve 18 and the electromagnetic directional valve 19, the electromagnetic directional valve 19 is connected with the oil inlet end and the oil outlet end of the booster cylinder 20, and the oil inlet end and the oil outlet end of the booster cylinder 20 are respectively connected with the third one-way valve 21, the fourth one-way valve 22, the fifth one-way valve 23 and the sixth one-way valve 24;
the sand mixing device with pressure comprises a second gate valve 25, a second pressure gauge 26, a third gate valve 27, a sand mixer 28, a fourth gate valve 29, a fifth gate valve 30, a sixth gate valve 31, a third pressure gauge 32 and a second flowmeter 33; the hydraulic control system comprises a second gate valve 25, a second pressure gauge 26 and a third gate valve 27 which are respectively arranged at the top of a sand mixer 28, a fourth gate valve 29 which is arranged at the inlet of the sand mixer 28, a fifth gate valve 30 which is arranged at the outlet of the sand mixer 28, and a third pressure gauge 32 and a second flowmeter 33 which are arranged on an outlet pipeline;
the high-pressure pumping device comprises a high-pressure pump 34, a seventh gate valve 35, a jet valve 36 and a nozzle 37; the outlet of the high-pressure pump 34 is connected with the inlet of a seventh gate valve 35, the outlet of the seventh gate valve 35 is connected with the inlet of a jet valve 36, and the outlet of the jet valve 36 is connected with the inlet of a nozzle 37.
The system of the invention, when in use:
the foam preparation device mainly provides foam fluid for the system, and the specific implementation mode is as follows: the first plunger pump 2 and the dosing pump 6 pump the fracturing fluid in the solution tank 1 and the foaming agent in the foaming agent tank into the foam generating device respectively, gas in the gas storage tank enters the low-temperature heat exchange system 13 through the first one-way valve 10 and the pressure reducing valve 11, and the second plunger pump pumps the gas in the low-temperature heat exchange system 13 into the foam generating device 7, so that the fracturing fluid, the foaming agent and the gas are fully mixed to form foam. The generated foam is heated by the heating device 8 and then enters the foam pressurizing device through the high-pressure pipeline.
The foam pressurizing device mainly improves the foam pressure, and the specific implementation mode is as follows: when the left electromagnet of the electromagnetic directional valve 19 is electrified, pressure oil generated by the oil pump 16 enters an oil cavity at the left end of the booster cylinder 20 and pushes the piston body to move right, foam in the cavity at the right side of the booster cylinder 20 is continuously compressed, and when certain pressure is reached, the right fifth one-way valve 23 is pushed to enter special sand mixing equipment with pressure. At the same time, the volume of the left high pressure chamber is continuously increased, and the low pressure foam flows into the left high pressure chamber of the booster cylinder 20 through the left third check valve 21. When the piston moves right to the stroke end, pressure oil enters the right oil cavity of the booster cylinder 20 and pushes the piston body and the plunger rod leftwards, foam in the left high-pressure cavity enters special sand mixing equipment with pressure through the fourth one-way valve 22, and the right high-pressure cavity synchronously supplements low-pressure foam through the sixth one-way valve 24, and the foam is circularly reciprocated to form stable high-pressure foam.
The pressurized sand mixing device is mainly used for fully mixing the abrasive and the foam, and the specific implementation mode is as follows: the second gate valve 25, the third gate valve 27, the fifth gate valve 30 and the sixth gate valve 31 are closed, high-pressure foam generated by the pressurizing device is stored in the sand mixer 28 through a high-pressure pipeline, the second pressure gauge 26 is used for monitoring the pressure in the sand mixer, the second gate valve 25 is used for adding sand, and the third gate valve 27 is used for controlling the pressure in the sand mixer.
The high-pressure pumping device is mainly used for forming high-pressure foam abrasive jet flow, and the specific implementation mode is as follows: the seventh gate valve 35 is set to a normally open state and the jet valve 36 is adjusted to allow high pressure foamed abrasive fluid to enter the nozzle 37 to form a stable foamed abrasive jet.
The invention discloses a post-mixed foam abrasive jet rock breaking experimental method, which comprises the following steps:
step 1: preparing experimental materials, filling a gas storage tank, distilled water, chemicals (NaCl, KCl, mgCl) 2 ，CaCl 2 ) Additive such as thickener, cross-linking agent, etc., experimental materials such as granite, etc.;
step 2: the experimental pipeline is connected, the foam generating device, the foam pressurizing device, the special sand mixing device with pressure and the high-pressure pumping device are connected through a high-pressure pipe, a pressure gauge and other instruments are connected, the pressure reducing valve 11 is placed in a half-open state before an experiment, the smooth discharge pipe line is ensured, the air tightness of the pipeline is checked, the foam generating device is opened, the pressure reducing valve is adjusted to a proper outlet pressure, the foam pressurizing device is opened, the second gate valve 25, the third gate valve 27 and the sixth gate valve 31 are closed, and the jet flow valve is regulated;
step 3: testing the rock breaking effect of the foam abrasive jet flow with different foam qualities, adjusting a second gate valve to control the proportion of the foam to the abrasive so as to form the foam abrasive jet flow with different foam qualities, and testing the influence of the foam abrasive jet flow with different foam qualities on the rock breaking effect;
step 4: and (3) testing the rock breaking effect of the pure foam jet, closing the fourth gate valve and the fifth gate valve, opening the sixth gate valve 31, adjusting the seventh gate valve 35 to a normally open state, and adjusting the jet valve 36 to enable the high-pressure foam fluid to enter the nozzle 37 to form stable foam pure jet for testing the rock breaking effect of the foam pure jet.
Step 5: and (3) testing the rock breaking effect of the foam abrasive jet flow at different speeds, closing a sixth gate valve 31 to adjust the jet flow valve to different positions for generating foam abrasive fluid at different speeds, and testing the influence of the foam abrasive jet flow at different speeds on the rock breaking effect.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that the invention is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the invention.
Claims (2)
1. The experimental system is characterized in that the pressurized sand mixing device comprises a sand mixer, a second gate valve, a second pressure gauge, a third gate valve, a fourth gate valve, a fifth gate valve, a sixth gate valve, a third pressure gauge and a second flowmeter, the second gate valve, the second pressure gauge and the third gate valve are respectively arranged at the top of the sand mixer, the fourth gate valve is arranged at the inlet of the sand mixer, the fifth gate valve is arranged at the outlet of the sand mixer, a connecting pipeline is arranged before the inlet and the outlet of the sand mixer, and a sixth gate valve is arranged on the connecting pipeline, foam fluid generated by the foam preparation device enters the sand mixer through the liquid outlet end of the heating device after being pressurized by the foam pressurizing device, enters the sand mixer through the fourth gate valve or directly enters the high-pressure pumping device through the sixth gate valve in sequence, the high-pressure pumping device comprises a high-pressure pump, a seventh pump, a gate valve and a nozzle which are sequentially connected, and the third gate valve and the second flowmeter are arranged on the connecting pipeline between the inlet and the outlet of the sand mixer;
the foam preparation device comprises a solution tank, a first plunger pump, a gate valve, a pressure gauge, a foaming agent tank, a dosing pump, a foam generating device, a heating device, a gas storage tank, a first one-way valve, a pressure reducing valve, a flowmeter, a low-temperature heat exchange system and a second plunger pump; the liquid outlet end of the solution tank is connected with the liquid inlet end of the first plunger pump, the liquid outlet end of the first plunger pump is connected with the gate valve and the pressure gauge, the liquid outlet end of the foaming agent tank is connected with the liquid inlet end of the dosing pump, the gas storage tank, the first one-way valve, the pressure reducing valve, the flowmeter, the low-temperature heat exchange system and the second plunger pump are sequentially connected, the liquid outlet end of the pressure gauge, the liquid outlet end of the dosing pump and the liquid outlet end of the second plunger pump are connected with the liquid inlet end of the foam generating device, and foam generated by the foam generating device is heated by the heating device and then enters the foam pressurizing device through the high-pressure pipeline;
the foam pressurizing device comprises an oil tank, an oil pump, a second one-way valve, a proportional overflow valve, an electromagnetic directional valve, a pressurizing cylinder, a third one-way valve, a fourth one-way valve, a fifth one-way valve and a sixth one-way valve, wherein the oil outlet end of the oil tank is connected with the oil inlet end of the oil pump, the oil outlet end of the oil pump is connected with the oil inlet end of the second one-way valve, the oil outlet end of the second one-way valve is respectively connected with the oil inlet end of the proportional overflow valve and the electromagnetic directional valve, the oil outlet ends of the proportional overflow valve are respectively connected with the electromagnetic directional valve and the oil inlet end of the oil tank, the two outlet ends of the electromagnetic directional valve are respectively connected with the left high-pressure cavity and the right high-pressure cavity of the pressurizing cylinder, the foam prepared by the foam preparing device is separated into two paths by a pressurizing cylinder and a foam abrasive jet flow generating device by a high-pressure pipeline, one path is the foam sequentially passes through the left high-pressure cavity of the third one-way valve and the fourth one-way valve and then is sequentially connected with a sand mixing device with a high-pressure pump or a high-pressure pumping device, and the other path is the foam sequentially passes through the right high-pressure cavity of the sixth one-way valve and the pressurizing cylinder and the left high-pressure cavity and the fifth one-way valve and then is sequentially flows with the high-pressure pump device.
2. An experimental method of using a pre-mixed foam abrasive jet rock breaking experimental system according to claim 1, characterized in that the experimental method comprises the following steps:
step 1: preparing an experimental material, wherein the experimental material comprises a fully loaded gas storage tank, distilled water, chemicals, a thickening agent, a cross-linking agent and granite;
step 2: the experimental pipeline is connected, the foam preparation device, the foam pressurizing device, the sand mixing device with pressure and the high-pressure pumping device are connected through a high-pressure pipe, a pressure reducing valve of the foam preparation device is placed in a half-open state before an experiment, the smoothness of the experimental pipeline is ensured, the air tightness of the experimental pipeline is checked, a foam generating device in the foam preparation device is opened, the pressure reducing valve is adjusted to a proper outlet pressure, the foam pressurizing device is opened, a second gate valve, a third gate valve and a sixth gate valve in the sand mixing device with pressure are closed, and a jet valve is adjusted;
step 3: testing the rock breaking effect of the foam abrasive jet flow with different foam qualities, adjusting a second gate valve to control the proportion of the foam to the abrasive so as to form the foam abrasive jet flow with different foam qualities, and testing the influence of the foam abrasive jet flow with different foam qualities on the rock breaking effect;
step 4: the method comprises the steps of testing the rock breaking effect of pure foam jet, closing a fourth gate valve and a fifth gate valve, opening a sixth gate valve, adjusting a seventh gate valve to a normally open state, adjusting a jet valve to enable high-pressure foam fluid to enter a nozzle to form stable foam pure jet, and testing the rock breaking effect of the pure foam jet;
step 5: and (3) testing the rock breaking effect of the foam abrasive jet flow at different speeds, closing a sixth gate valve to adjust the jet flow valve to different positions for generating foam abrasive fluid at different speeds, and testing the influence of the foam abrasive jet flow at different speeds on the rock breaking effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111329956.2A CN114034465B (en) | 2021-11-11 | 2021-11-11 | Pre-mixed foam abrasive jet rock breaking experimental system and experimental method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111329956.2A CN114034465B (en) | 2021-11-11 | 2021-11-11 | Pre-mixed foam abrasive jet rock breaking experimental system and experimental method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114034465A CN114034465A (en) | 2022-02-11 |
| CN114034465B true CN114034465B (en) | 2023-09-19 |
Family
ID=80137386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111329956.2A Active CN114034465B (en) | 2021-11-11 | 2021-11-11 | Pre-mixed foam abrasive jet rock breaking experimental system and experimental method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114034465B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201204253D0 (en) * | 2012-03-11 | 2012-04-25 | Miller Donald S | Abrasive suspension feed system |
| CN103599615A (en) * | 2013-11-19 | 2014-02-26 | 安徽理工大学 | Abrasive water cutting and fire extinguishing device |
| CN104007043A (en) * | 2014-03-27 | 2014-08-27 | 中国华能集团清洁能源技术研究院有限公司 | Large multifunctional fracturing fluid experiment system |
| CN204397633U (en) * | 2014-10-14 | 2015-06-17 | 王晖 | A kind of front mixing water jet cutting experiment system |
| CN105388254A (en) * | 2015-10-21 | 2016-03-09 | 西安交通大学 | High-temperature high-pressure foam fracturing fluid leak-off damage experiment system |
| CN106593442A (en) * | 2017-01-16 | 2017-04-26 | 胡少斌 | Blasting rock fragmentation system based on mixed-phase foam emulsification device and method of blasting rock fragmentation system |
| CN107813229A (en) * | 2017-10-18 | 2018-03-20 | 中国石油大学(北京) | Recyclable abradant jet erosion test system and method |
| CN109202731A (en) * | 2017-07-02 | 2019-01-15 | 北京海蓝华轩科技有限公司 | Mobile foam abradant jet fire-fighting cutting machine |
| CN110108588A (en) * | 2019-05-22 | 2019-08-09 | 中南大学 | A kind of compound broken rock experimental provision of high-pressure water jet hobboing cutter multiple degrees of freedom |
| CN110331972A (en) * | 2019-06-26 | 2019-10-15 | 中国石油集团渤海钻探工程有限公司 | Low pressure densification gas reservoir liquid CO2And CO2Foam system mixing fracturing technology |
| CN212330730U (en) * | 2020-05-26 | 2021-01-12 | 无锡市威海达机械制造有限公司 | Ultrahigh-pressure jet grinding device and grinding system for melt-blown mold micropore polishing |
| US10961830B1 (en) * | 2019-11-20 | 2021-03-30 | China University of Petroleum—Beijing | Waterless foam generator for fracturing shale oil and gas reservoirs and use thereof |
| WO2021088827A1 (en) * | 2019-11-04 | 2021-05-14 | 中国石油大学(华东) | Foam fluid performance and defoaming separation effect testing experimental apparatus and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7934977B2 (en) * | 2007-03-09 | 2011-05-03 | Flow International Corporation | Fluid system and method for thin kerf cutting and in-situ recycling |
-
2021
- 2021-11-11 CN CN202111329956.2A patent/CN114034465B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201204253D0 (en) * | 2012-03-11 | 2012-04-25 | Miller Donald S | Abrasive suspension feed system |
| CN103599615A (en) * | 2013-11-19 | 2014-02-26 | 安徽理工大学 | Abrasive water cutting and fire extinguishing device |
| CN104007043A (en) * | 2014-03-27 | 2014-08-27 | 中国华能集团清洁能源技术研究院有限公司 | Large multifunctional fracturing fluid experiment system |
| CN204397633U (en) * | 2014-10-14 | 2015-06-17 | 王晖 | A kind of front mixing water jet cutting experiment system |
| CN105388254A (en) * | 2015-10-21 | 2016-03-09 | 西安交通大学 | High-temperature high-pressure foam fracturing fluid leak-off damage experiment system |
| CN106593442A (en) * | 2017-01-16 | 2017-04-26 | 胡少斌 | Blasting rock fragmentation system based on mixed-phase foam emulsification device and method of blasting rock fragmentation system |
| CN109202731A (en) * | 2017-07-02 | 2019-01-15 | 北京海蓝华轩科技有限公司 | Mobile foam abradant jet fire-fighting cutting machine |
| CN107813229A (en) * | 2017-10-18 | 2018-03-20 | 中国石油大学(北京) | Recyclable abradant jet erosion test system and method |
| CN110108588A (en) * | 2019-05-22 | 2019-08-09 | 中南大学 | A kind of compound broken rock experimental provision of high-pressure water jet hobboing cutter multiple degrees of freedom |
| CN110331972A (en) * | 2019-06-26 | 2019-10-15 | 中国石油集团渤海钻探工程有限公司 | Low pressure densification gas reservoir liquid CO2And CO2Foam system mixing fracturing technology |
| WO2021088827A1 (en) * | 2019-11-04 | 2021-05-14 | 中国石油大学(华东) | Foam fluid performance and defoaming separation effect testing experimental apparatus and method |
| US10961830B1 (en) * | 2019-11-20 | 2021-03-30 | China University of Petroleum—Beijing | Waterless foam generator for fracturing shale oil and gas reservoirs and use thereof |
| CN212330730U (en) * | 2020-05-26 | 2021-01-12 | 无锡市威海达机械制造有限公司 | Ultrahigh-pressure jet grinding device and grinding system for melt-blown mold micropore polishing |
Non-Patent Citations (3)
| Title |
|---|
| Experimental investigation on rock fracturing perfomance under high-pressure foam impact;Songyong Liu,et al;Engineering Fracture Mechanics;第252卷;全文 * |
| 后混式磨料射流破岩规律的实验研究;金鑫;;石油管材与仪器(02);91-94 * |
| 钻孔高压磨料射流预制裂缝的试验研究;阴伟涛 等;地下空间与工程学报;第12卷(增刊2);552-556 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114034465A (en) | 2022-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108329900B (en) | Micro-foam for oil displacement and preparation method thereof | |
| CN105067781B (en) | Foam flooding evaluation device and evaluation method thereof | |
| CN107916915B (en) | System and method for displacing carbonized water under high-temperature and high-pressure conditions | |
| CN102425587A (en) | Physical simulation test system for subsea production facility hydraulic control system | |
| CN105239986A (en) | Pump casting device of impulse sand fracturing intermediate displacement fluid and working method | |
| CN101526444A (en) | Hydraulic-control high-pressure environment liquid sampler | |
| CN114034465B (en) | Pre-mixed foam abrasive jet rock breaking experimental system and experimental method | |
| CN202250005U (en) | Depressurization and injection-increasing device for water injection well | |
| CN110658107B (en) | Foam viscosity measuring device and method | |
| CN114161324B (en) | Post-mixing foam abrasive jet rock breaking experimental system and method | |
| CN204419149U (en) | A kind of proppant and acid etching flow conductivity evaluating apparatus | |
| CN101265801A (en) | Oil gas well gas injection oil extraction gas production technological process | |
| CN108798616A (en) | Water filling device and oil field layered Intelligent water injection analogue experiment installation and its application method | |
| CN201421404Y (en) | Hydraulic control type liquid sampler for high pressure environment | |
| CN209215375U (en) | For the simple gas-liquid two-phase foam device of laboratory experiment | |
| AU2019101580A4 (en) | Continuous impact supercharging system with two pumps for oil supply | |
| CN109252840A (en) | Device and method based on the raising thin heavy oil recovery ratio that Gelled Foam on Production drives | |
| CN114720344A (en) | Rock core displacement experimental device and method | |
| CN105869503B (en) | The experimental system and method that measurement rock wettability influences foam oil | |
| CN205374191U (en) | Novel laboratory water conservancy impulse generator | |
| CN109707376B (en) | Method for simulating large water body expansion water invasion in oil and gas reservoir failure exploitation process | |
| CN109869126B (en) | Fracturing tracing simulation experiment device and method | |
| CN209278233U (en) | A kind of passive type automatic resisting applying mechanism | |
| CN109209315B (en) | Device and method for improving thin-layer heavy oil reservoir recovery ratio based on foam flooding | |
| CN209416733U (en) | A kind of evaluating apparatus of gas pipeline flow assurance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |