CN214660078U - Superposed resource accurate mining in-situ physical simulation experiment system - Google Patents
Superposed resource accurate mining in-situ physical simulation experiment system Download PDFInfo
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- CN214660078U CN214660078U CN202120160301.6U CN202120160301U CN214660078U CN 214660078 U CN214660078 U CN 214660078U CN 202120160301 U CN202120160301 U CN 202120160301U CN 214660078 U CN214660078 U CN 214660078U
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- pump
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- water jet
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- 238000004088 simulation Methods 0.000 title claims abstract description 25
- 238000005065 mining Methods 0.000 title claims description 29
- 238000011065 in-situ storage Methods 0.000 title claims description 14
- 239000003245 coal Substances 0.000 claims abstract description 40
- 239000011521 glass Substances 0.000 claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000605 extraction Methods 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000005341 toughened glass Substances 0.000 claims abstract description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 239000003034 coal gas Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 22
- 239000010742 number 1 fuel oil Substances 0.000 description 8
- 238000011161 development Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 239000011435 rock Substances 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003027 oil sand Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses an superpose resource accurate exploitation normal position physical simulation experiment system, including total accuse mechanism, positive pressure pump, negative pressure pump, treater, guarantor's pressure pump, flowmeter, test piece box, normal position loading system, sensor, injection glass pipe, take out and adopt glass pipe, similar material, pressure release hole, high pressure water jet shower nozzle, steady rest, high pressure water jet pump. The utility model discloses the coordinated exploitation process of coal gas oil gas under different oil gas corridors of simulation are laid, wherein adopt flexible toughened glass pipe simulation well pattern through the exploitation of high pressure water jet simulation coal seam, pour into, take out the exploitation of pump simulation oil gas resource, and each component cooperates closely, obtains the coordinated exploitation of coal gas oil gas many places coupling evolution distribution law to optimize the coordinated exploitation scheme of coal gas oil gas, improve associated resource extraction rate and economic benefits altogether.
Description
Technical Field
The utility model relates to a coal and associated resource coordination development field especially relate to an accurate exploitation normal position physical simulation experiment system of superpose resource.
Background
The Ordos basin has rich resources, and is accompanied by a large amount of coal bed gas, sandstone gas, petroleum and other stone resources while generating coal resources. The associated oil gas resources are generally vertically distributed below the coal resources, and the burial depth is greater than that of the coal bed. At the present stage, a system of a system is not formed in coal gas multi-resource coordinated development, and meanwhile, a plurality of problems are faced during mining, such as difficulty in drilling and constructing the oil gas on an unstable rock stratum on a goaf due to the fact that a coal seam is mined firstly, oil gas resources cannot be mined, and oil gas resource waste is caused easily due to safety accidents; oil gas is firstly extracted, a stratum collapse caused during coal seam extraction can destroy an oil gas well network, so that oil gas in a pipe network is leaked or even exploded, and if coal extraction is forbidden or a large safety coal pillar is reserved, coal resources are wasted. "a coal and oil gas green coordination exploitation system and application method (CN 201610969268.5)" and "coal and oil gas resources exploitation method and device in coal-bearing stratum (CN 201710742810.8)" put forward the development concept of oil gas corridor, the direction indicated for coal oil gas multiple resources coordination development, however, the related research of coal oil gas coordination exploitation is relatively less, and there is a fresh report on laboratory physical model test. Based on the situation, an in-situ physical simulation experiment system for precisely exploiting superposed resources is urgently needed, a coordinated coal oil and gas exploitation field is simulated, reference is provided for engineering practice, and green, safe, economic and efficient development of co-associated resources is realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an superpose resource accurate exploitation normal position physical simulation experiment system, this scheme main aim at provide one kind for the laboratory can carry out the experiment system of the physics analog simulation of the coordinated exploitation of coal oil gas in the laboratory for carry out the experiment under the corresponding condition, the analysis experiment data reveals the coordinated exploitation disturbance rock stratum multi-field coupling evolution characteristic of coal oil gas and distribution law.
In order to achieve the purpose, the utility model discloses a technical scheme be an superpose resource accurate mining normal position physical simulation experiment system, including total accuse mechanism, positive pressure pump, negative pressure pump, treater, guarantor's pressure pump, flowmeter, test piece box, normal position loading system, sensor, injection glass pipe, take out and adopt glass pipe, similar material, pressure release hole, high pressure water jet nozzle, steady rest, high pressure water jet pump, total accuse mechanism connect all the pump body and sensor; the positive pressure pump and the negative pressure pump are respectively connected with the injection glass tube and the extraction glass tube; the test piece box body comprises a coal seam mining hole, a pressure maintaining hole and a pressure releasing hole; the pressure maintaining pump is connected with the pressure maintaining hole; the pressure maintaining holes and the pressure releasing holes are symmetrically distributed on two end faces of the test piece box body; the flow meter is respectively connected with the extraction glass pipe and the master control mechanism; the processor is connected with the master control mechanism; the high-pressure water jet nozzle is respectively connected with the stabilizing frame and the high-pressure water jet pump; the similar materials comprise a simulated coal bed and a simulated oil layer.
The master control mechanism comprises a data acquisition instrument, is connected with all the pump bodies and the sensors, and is connected with the processor.
The simulated coal bed and the simulated oil layer are laid in the test piece box body; the simulated coal bed is laid on the upper part of the simulated oil layer; the injection glass tube and the extraction glass tube are arranged in the oil and gas corridor area.
Preferably, the coal seam mining hole, the pressure maintaining hole and the pressure releasing hole are reasonably arranged on the test piece box body according to an experimental scheme;
preferably, the area contained in the coal seam mining hole is a coal seam mining area, and the coal seam mining area adopts a high-pressure water jet flushing mining mode;
preferably, the injection glass pipe and the extraction glass pipe are flexible toughened glass pipes with similar strength ratio to the actual well pattern on site.
Compared with the prior art, adopt the utility model discloses an accurate exploitation normal position physical simulation experiment system of superpose resource erodees the exploitation of coal seam mining area simulation coal seam through high pressure water jet, adopts flexible toughened glass pipe simulation well pattern, pours into, takes out the exploitation of pump simulation oil gas resource into, can simulate coal safely, effectively, economically and coordinate the exploitation with oil gas superpose resource. The mining stratum multi-field coupling response data is obtained through an indoor physical experiment, a basis is provided for reasonably determining the layout of an oil-gas corridor, the problem of coordinated mining of coal oil gas in field practice work can be effectively guided, and the method has a good popularization and application prospect.
Drawings
FIG. 1 is the overall effect diagram of the present invention;
FIG. 2 is a schematic front view of a test piece case and sensor arrangement;
FIG. 3 is a schematic side view of a test piece case and sensor arrangement;
FIG. 4 is a schematic top view of a test piece box and a sensor arrangement structure
Reference symbols in the drawings indicate:
1. a master control mechanism (comprising a data acquisition instrument); 2. a high-pressure water jet spray head; 3. a positive pressure pump; 4. a negative pressure pump; 5. a processor; 6. a pressure maintaining pump; 7. a flow meter; 8. a test piece box body; 9. pressure maintaining holes; 10. an in-situ loading system; 11. a sensor; 12. injecting into a glass tube; 13. extracting the glass tube; 14. mining holes in the coal seam; 15. a pressure relief vent; 16. a stabilizer frame; 17. a high pressure water jet pump; 18. similar materials.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The utility model discloses an accurate exploitation normal position physical simulation experiment system of superpose resource mainly realizes through following technical scheme, and it is right to refer to fig. 1, 2, 3, 4 the embodiment of the utility model explains:
a superposed resource precise mining in-situ physical simulation experiment system is characterized in that a master control mechanism 1 is connected with all pump bodies and sensors 11; the positive pressure pump 3 and the negative pressure pump 4 are respectively connected with the injection glass tube 12 and the extraction glass tube 13; the test piece box body 8 comprises a coal seam mining hole 14, a pressure maintaining hole 9 and a pressure releasing hole 15; the pressure maintaining pump 6 is connected with a pressure maintaining hole 9; the pressure maintaining holes 9 and the pressure releasing holes 15 are symmetrically distributed on two end faces of the test piece box body 8; the flowmeter 7 is respectively connected with the extraction glass pipe 13 and the master control mechanism 1; the processor 5 is connected with the master control mechanism 1; the high-pressure water jet nozzle 2 is respectively connected with the stabilizing frame 16 and the high-pressure water jet pump 17. The master control mechanism comprises a data acquisition instrument, is connected with all the pump bodies and the sensors and is connected with the processor 5; the simulated coal bed and the simulated oil layer are laid in the test piece box body 8; the simulated coal bed is laid on the upper part of the simulated oil layer; the injection glass tube 12 and the extraction glass tube 13 are arranged in the oil and gas corridor area.
With reference to fig. 1, 2, 3 and 4, a simulated oil layer is laid at the bottom of a test piece box body 8, a simulated coal bed is laid based on engineering geological conditions, an injection glass pipe 12, an extraction glass pipe 13 and a pressure maintaining hole 9 are respectively connected with a positive pressure pump 3, a negative pressure pump 4 and a pressure maintaining pump 6, an in-situ loading system 10 and the pressure maintaining pump 6 are started, the coal-oil gas occurrence environment is inverted, the positive pressure pump 3, the negative pressure pump 4 and a high-pressure water jet pump 17 are started, and coordinated coal-oil gas exploitation is achieved.
The experimental steps are as follows:
firstly, determining a geometric similarity ratio, a mechanical similarity ratio and a time similarity ratio of a model according to the engineering geological size;
secondly, checking the reliability of each component of the experiment system before the experiment;
thirdly, laying an oil sand reservoir at the bottom of the test piece box body 8, simultaneously laying an injection glass tube 12 and an extraction glass tube 13, laying a pressure maintaining hole 9 at the end part, and connecting the pressure maintaining pump 6; laying all layered similar materials 18 in the test piece box body 8 from bottom to top in sequence to simulate the stratum; laying sensors 11 such as pressure, optical fibers, strain gauges and ultrasonic waves at corresponding positions while simulating stratum laying, sealing the test piece box body 8 after the cables are connected, and connecting each sensor 11 with the data acquisition instrument 1;
fourthly, starting the in-situ loading system 10 to apply simulated ground stress to the simulated stratum according to ground stress data actually measured on site; simultaneously starting a pressure maintaining pump 6 to simulate the formation pressure of an oil-bearing reservoir; starting a data acquisition instrument 1 to monitor data;
fifthly, setting parameters of a positive pressure pump 3 and a negative pressure pump 4 through a control system, and simulating oil exploitation by utilizing a simulated injection glass tube 12 and a simulated extraction glass tube 13;
sixthly, starting a high-pressure water jet pump 17, fixing the high-pressure water jet nozzle 2 through a stabilizing frame 16, and simulating coal seam mining by adjusting the high-pressure water jet nozzle 2 to scour a simulated coal seam of a coal seam mining hole;
and seventhly, starting the processor 5 to analyze and process the monitoring data, acquiring a rock stratum movement rule and a fracture development rule, and revealing a multi-field coupling evolution rule and distribution characteristics.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention, therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides an overlay accurate exploitation normal position physical simulation experiment system of resource which characterized in that: the in-situ physical simulation experiment system for the superposed resource precision mining comprises: the device comprises a master control mechanism, a positive pressure pump, a negative pressure pump, a processor, a pressure maintaining pump, a flowmeter, a test piece box body, an in-situ loading system, a sensor, an injection glass tube, an extraction glass tube, similar materials, a pressure releasing hole, a high-pressure water jet nozzle, a stabilizing frame and a high-pressure water jet pump, wherein the master control mechanism is connected with all the pump bodies and the sensor; the positive pressure pump and the negative pressure pump are respectively connected with the injection glass tube and the extraction glass tube; the test piece box body comprises a coal seam mining hole, a pressure maintaining hole and a pressure releasing hole; the pressure maintaining pump is connected with the pressure maintaining hole; the pressure maintaining holes and the pressure releasing holes are symmetrically distributed on two end faces of the test piece box body; the flow meter is respectively connected with the extraction glass pipe and the master control mechanism; the processor is connected with the master control mechanism; the high-pressure water jet nozzle is respectively connected with the stabilizing frame and the high-pressure water jet pump; the similar materials comprise a simulated coal bed and a simulated oil layer.
2. The stacked resource precision mining in-situ physical simulation experiment system according to claim 1, wherein: the master control mechanism comprises a data acquisition instrument, is connected with all the pump bodies and the sensors, and is connected with the processor.
3. The stacked resource precision mining in-situ physical simulation experiment system according to claim 1, wherein: the simulated coal bed and the simulated oil layer are laid in the test piece box body; the simulated coal bed is laid on the upper part of the simulated oil layer; the injection glass tube and the extraction glass tube are arranged in the oil and gas corridor area.
4. The stacked resource precision mining in-situ physical simulation experiment system according to claim 1, wherein: the coal seam mining hole, the pressure maintaining hole and the pressure releasing hole are reasonably arranged on the test piece box body according to the experimental scheme.
5. The stacked resource precision mining in-situ physical simulation experiment system according to claim 1, wherein: the area contained in the coal seam mining hole is a coal seam mining area, and a high-pressure water jet flushing mining mode is adopted.
6. The stacked resource precision mining in-situ physical simulation experiment system according to claim 1, wherein: the injection glass pipe and the extraction glass pipe are flexible toughened glass pipes with similar strength ratio to the actual well pattern on site.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120160301.6U CN214660078U (en) | 2021-01-20 | 2021-01-20 | Superposed resource accurate mining in-situ physical simulation experiment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120160301.6U CN214660078U (en) | 2021-01-20 | 2021-01-20 | Superposed resource accurate mining in-situ physical simulation experiment system |
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| CN214660078U true CN214660078U (en) | 2021-11-09 |
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| CN202120160301.6U Expired - Fee Related CN214660078U (en) | 2021-01-20 | 2021-01-20 | Superposed resource accurate mining in-situ physical simulation experiment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727406A (en) * | 2021-01-20 | 2021-04-30 | 安徽理工大学 | Superposed resource precise mining in-situ physical simulation experiment system and application method |
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2021
- 2021-01-20 CN CN202120160301.6U patent/CN214660078U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727406A (en) * | 2021-01-20 | 2021-04-30 | 安徽理工大学 | Superposed resource precise mining in-situ physical simulation experiment system and application method |
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Granted publication date: 20211109 |