CN103790564A - Hot-dry rock fracturing high-pressure extraction laboratory simulation device - Google Patents
Hot-dry rock fracturing high-pressure extraction laboratory simulation device Download PDFInfo
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- CN103790564A CN103790564A CN201410012026.8A CN201410012026A CN103790564A CN 103790564 A CN103790564 A CN 103790564A CN 201410012026 A CN201410012026 A CN 201410012026A CN 103790564 A CN103790564 A CN 103790564A
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- 239000011435 rock Substances 0.000 title claims abstract description 15
- 238000004088 simulation Methods 0.000 title claims abstract description 14
- 238000000605 extraction Methods 0.000 title abstract 2
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 18
- 238000002474 experimental method Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 3
- 239000000084 colloidal system Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 5
- 239000000463 material Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 12
- 239000007924 injection Substances 0.000 abstract description 12
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 238000011160 research Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
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- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention provides a hot-dry rock fracturing high-pressure extraction laboratory simulation device. The device comprises a fracturing fluid injection system, a proppant injection system, a high-pressure gas boosting injection system, a fracturing body, an annular pressure applying system and a high-pressure pipe valve. The proppant injection system comprises indirect proppant injection and curing. The high-pressure gas boosting injection system comprises gas boosting and indirect gas injection. The fracturing body comprises a sample fracturing chamber and a sample annular-pressure chamber. The fracturing chamber comprises a three-dimensional fixing support and a three-dimensional hydraulic system. The three-dimensional hydraulic system comprises a hydraulic sliding cavity and a hydraulic moving plug. The sample annular-pressure chamber comprises an annular-pressure chamber steel plate and an inner gum sleeve, a cavity is formed between the gum sleeve and the steel plate, and fluid is injected to realize pressure coating effect. Fracturing fluid injection and annular pressure application are both realized by connection of a high-pressure pipeline with a high-pressure control component. A split module combination structure is adopted, original samples of fracturing samples are ensured to be unchanged, proppant injection is performed accurately, high-pressure gas is injected for displacement and reproduction, and recovery ratio is increased. The device has the advantages of novel structure and safety and durability.
Description
Technical field
The present invention relates to a kind of hot dry rock pressure break high pressure and carry and adopt laboratory simulation device, particularly and heat exchange displacement displacement simulation test device post-fracturing about hot dry rock original position, is specifically related to a kind of hot dry rock pressure break high pressure and improves recovery ratio laboratory simulation device.
Background technology
At present, the exploitation dynamics of hot dry rock resource of occupying larger proportion is less, in the face of current energy growing tension, especially in the situation of resource critical shortage, when exploiting huge heat resource, improve the recovery ratio of heat resource, the comprehensive utilization ratio that improves heat resource is even more important.
Hot dry rock resource proved reserves are equivalent to 30 times of left and right of oil, natural gas and coal ability.Therefore, need a kind of pressure break quarrying apparatus can be to reservoir pressure break failure mechanism, prolong raw rule and carry out the motionless research of original position, react more accurately actual conditions, to promote the deep understanding to above problem, to this technology is applied widely.
At present, the equipment of domestic fracturing aspect is more for coal bed fracturing aspect, formation rock pressure break is recovered the oil also to be had, being used for fracturing, fracture system studies, research means is also plotted to coating, fluorescence etc. from range estimation, but biases toward post-fracturing testing research, does not carry out post-fracturing note and adopts and carry and adopt research, heat energy coefficient of mining is not further studied, to reach objective evaluation production efficiency.
Summary of the invention
Goal of the invention: for addressing the above problem, the invention provides a kind of hot dry rock pressure break high pressure and carry and adopt laboratory simulation device.
Technical scheme: for achieving the above object, the present invention adopts following technical scheme:
A kind of hot dry rock pressure break high pressure is carried and is adopted laboratory simulation device, comprises fracturing fluid injected system, proppant injected system, gases at high pressure supercharging injected system, pressure break main body, ring pressure application system, high-voltage tube valve member; Described proppant injected system comprises that proppant indirectly injects and solidifies; Described gases at high pressure supercharging injected system comprises that gas boosting and gas inject indirectly; Described pressure break main body comprises sample pressure break storehouse and sample loop pressure chamber; Described pressure break storehouse comprises three-dimensional fixed support and three-dimensional hydraulic system; Described three-dimensional hydraulic system comprises hydraulic pressure sliding cavity and hydraulic pressure motion stops; Described sample loop presses chamber to comprise ring pressure chamber steel plate and colloid inner sleeve, between gum cover and steel plate, has cavity, and filling liquid is realized pressure package action; Described fracturing fluid injects to press to apply all with ring and is connected to realize with high voltage control assembly by high pressure line.
As preferably, pressure break storehouse adopts three-dimensional fixed support and three-dimensional hydraulic movable supporting.
As preferably, hydraulic piston adopts high-quality PTFE.
As preferably, the foundation that ring is pressed is by be connected with the gum cover cavity of generation of external steel plate.
As preferably, the foundation that ring is pressed is by be connected with the gum cover cavity of generation of external steel plate, by cavity exerted pressure to realize the parcel to model ontology periphery.
As preferably, the operation that fracturing fluid, heat exchange displacement liquid, high pressure injection are adopted liquid, proppant liquid, confined pressure is all connected with pipeline by high pressure valve, and by their common operation, coordinate to open and close, realize pressure break, supercharging injection, high temperature and high pressure environment simulation and be connected with the pressure that is associated, temperature, measuring instrument.
Beneficial effect: when heat note is adopted, gather by the maximum amount of existing techniques in realizing heat energy, and thoroughly multiply function by the brill of gases at high pressure, improve greatly thermal recovery yield, under equal mining conditions, reduce cost of winning.
Accompanying drawing explanation
Fig. 1 is that hot dry rock pressure break high pressure of the present invention is carried and adopted laboratory simulation device flow chart.
The specific embodiment
Embodiment:
A kind of hot dry rock pressure break high pressure is as described in Figure 1 carried and is adopted laboratory simulation device, comprises fracturing fluid injected system, proppant injected system, gases at high pressure supercharging injected system, pressure break main body, ring pressure application system, high-voltage tube valve member; Described proppant injected system comprises that proppant indirectly injects and solidifies; Described gases at high pressure supercharging injected system comprises that gas boosting and gas inject indirectly; Described pressure break main body comprises sample pressure break storehouse and sample loop pressure chamber; Described pressure break storehouse comprises three-dimensional fixed support and three-dimensional hydraulic system; Described three-dimensional hydraulic system comprises hydraulic pressure sliding cavity and hydraulic pressure motion stops; Described sample loop presses chamber to comprise ring pressure chamber steel plate and colloid inner sleeve, between gum cover and steel plate, has cavity, and filling liquid is realized pressure package action; Described fracturing fluid injects to press to apply all with ring and is connected to realize with high voltage control assembly by high pressure line.
As shown in Figure 1,1, high pressure fracture pump 2, fracturing fluid container 3, proppant inject that container 4, gas boosting container 5, gas boosting container 6, gas boosting pump 7, model process data measure 8, hydraulic controller 9, Hydrauservo System 10, model main body 11, ring press application system 12, system pressure control and gather 13, blender.
Hot dry rock pressure break high pressure of the present invention is carried and is adopted laboratory simulation device, comprises the pressure break dynamical system being made up of fracturing pump and exchange system, and fracturing fluid 2, via valve, injects sample by hydraulic pressure through hole beyond the Great Wall.Before this, must be by 8 adjustment 9 applying on sample three-dimensional.Frac pressure obtains by sensor.After pressure break, it is constant that maintenance applies power, overall peripheral encircled to die block and apply, and press by ring press pump 5 injection rings, and ring pressure pressure is 1.1-1.2 times of heat exchange pressure.Meanwhile, by 12 control recovery systems, system is carried out to pressure stability control, after controlled pressure is set, carry out heat exchange and carry and adopt experiment.Heat exchange pilot production fluid (or proppant) injects sample by 3 via pipeline, heater heat exchanging pilot production fluid (or proppant) through model main body 10 carries out High Temperature Simulation (aging action), gases at high pressure are via 4,5, by 6 pressurization, form high pressure, enter sample main body 10 via 13 blenders and carry out fully displacement procreation, form high temperature and high pressure environment, re-inject exploitation liquid by container 2, carry out the quick heat exchange of large flow, realize the heat exploitation to sample and improve thermal recovery yield.
In above-mentioned analog system device, the model three-phase application of force can regulate as required, and carries out selecting of pad according to application of force active face displacement.
While using analog system device of the present invention to carry out heat exchange displacement experiment, after experiment finishes, need slow release pressure, reduce after temperature, can dismantle experiment package.
After experiment, model ontology inner side, valve, container etc. are cleaned, cleaning fluid, by pipeline valve, emptying, repeats 2-3 cleaning, enters next experiment.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. hot dry rock pressure break high pressure is carried and is adopted a laboratory simulation device, it is characterized in that: comprise fracturing fluid injected system, proppant injected system, gases at high pressure supercharging injected system, pressure break main body, ring pressure application system, high-voltage tube valve member; Described proppant injected system comprises that proppant indirectly injects and solidifies; Described gases at high pressure supercharging injected system comprises that gas boosting and gas inject indirectly; Described pressure break main body comprises sample pressure break storehouse and sample loop pressure chamber; Described pressure break storehouse comprises three-dimensional fixed support and three-dimensional hydraulic system; Described three-dimensional hydraulic system comprises hydraulic pressure sliding cavity and hydraulic pressure motion stops; Described sample loop presses chamber to comprise ring pressure chamber steel plate and colloid inner sleeve, between gum cover and steel plate, has cavity, and filling liquid is realized pressure package action; Described fracturing fluid injects to press to apply all with ring and is connected to realize with high voltage control assembly by high pressure line.
2. according to the analogue experiment installation described in claims 1, it is characterized in that: pressure break storehouse adopts three-dimensional fixed support and three-dimensional hydraulic movable supporting.
3. according to analogue experiment installation described in claims 1-2, it is characterized in that: hydraulic pressure motion stops 2 is steadily operation by the effect of righting 1, the material of righting 1 is stainless steel lining tetrafluoro.
4. according to arbitrary described analogue experiment installation in claims 1-3, it is characterized in that: ring press foundation by external steel plate be connected with gum cover generation cavity.
5. according to arbitrary described analogue experiment installation in claims 1-4, it is characterized in that: the foundation that ring is pressed is by be connected with the gum cover cavity of generation of external steel plate, by cavity exerted pressure to realize the parcel to model ontology periphery.
6. according to arbitrary described analogue experiment installation in claims 1-5, it is characterized in that: the operation of fracturing fluid, proppant liquid, gases at high pressure, confined pressure is all connected with pipeline by high pressure valve, and by their common operation, coordinate to open and close, realize pressure break, original position heat exchange, and be connected with the manometer that is associated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410012026.8A CN103790564B (en) | 2014-01-11 | 2014-01-11 | Hot-dry rock fracturing high-pressure recovery-ratio-increasing laboratory simulation device |
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| CN201410012026.8A CN103790564B (en) | 2014-01-11 | 2014-01-11 | Hot-dry rock fracturing high-pressure recovery-ratio-increasing laboratory simulation device |
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| CN103790564B CN103790564B (en) | 2017-04-12 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823795A (en) * | 2016-06-07 | 2016-08-03 | 吉林大学 | Large-size flow guide pool hot dry rock fracture heat exchange device |
| CN107014974A (en) * | 2016-11-28 | 2017-08-04 | 中国石油大学(华东) | The method that enhanced geothermal system reservoir heat energy recovery rate is tested for the analogue experiment installation of enhanced geothermal system and using it |
| CN107893652A (en) * | 2017-09-30 | 2018-04-10 | 中国石油大学(华东) | The hydraulic fracturing analogue experiment installation and method of the enhanced geothermal system of hot dry rock |
| CN107905778A (en) * | 2017-10-19 | 2018-04-13 | 中国石油大学(华东) | Supercritical CO2The enhanced geothermal system experimental provision of fluid fracturing and method |
| CN110656918A (en) * | 2019-10-23 | 2020-01-07 | 中国石油集团川庆钻探工程有限公司 | Multi-scale crack two-phase flow simulation evaluation method |
| CN111173485A (en) * | 2018-11-12 | 2020-05-19 | 中国石油化工股份有限公司 | Method for increasing hot dry rock heat storage transformation volume |
| CN112213253A (en) * | 2020-09-17 | 2021-01-12 | 中国石油天然气股份有限公司 | High-temperature high-pressure multilayer single-particle aging device and method for polymerization proppant |
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| US20100032156A1 (en) * | 2008-08-08 | 2010-02-11 | Alta Rock Energy, Inc. | Method for testing an engineered geothermal system using one stimulated well |
| CN101864948A (en) * | 2010-06-04 | 2010-10-20 | 海安县石油科研仪器有限公司 | Fracturing acidification working solution dynamic filtration loss instrument |
| CN103266888A (en) * | 2013-05-21 | 2013-08-28 | 中国石油大学(华东) | System and method for visualization fracturing simulation experiment |
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2014
- 2014-01-11 CN CN201410012026.8A patent/CN103790564B/en not_active Expired - Fee Related
Patent Citations (3)
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| US20100032156A1 (en) * | 2008-08-08 | 2010-02-11 | Alta Rock Energy, Inc. | Method for testing an engineered geothermal system using one stimulated well |
| CN101864948A (en) * | 2010-06-04 | 2010-10-20 | 海安县石油科研仪器有限公司 | Fracturing acidification working solution dynamic filtration loss instrument |
| CN103266888A (en) * | 2013-05-21 | 2013-08-28 | 中国石油大学(华东) | System and method for visualization fracturing simulation experiment |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823795A (en) * | 2016-06-07 | 2016-08-03 | 吉林大学 | Large-size flow guide pool hot dry rock fracture heat exchange device |
| CN107014974A (en) * | 2016-11-28 | 2017-08-04 | 中国石油大学(华东) | The method that enhanced geothermal system reservoir heat energy recovery rate is tested for the analogue experiment installation of enhanced geothermal system and using it |
| CN107014974B (en) * | 2016-11-28 | 2019-05-21 | 中国石油大学(华东) | Imitative experimental appliance for enhanced geothermal system and the method for testing enhanced geothermal system reservoir thermal energy recovery rate using it |
| CN107893652A (en) * | 2017-09-30 | 2018-04-10 | 中国石油大学(华东) | The hydraulic fracturing analogue experiment installation and method of the enhanced geothermal system of hot dry rock |
| CN107905778A (en) * | 2017-10-19 | 2018-04-13 | 中国石油大学(华东) | Supercritical CO2The enhanced geothermal system experimental provision of fluid fracturing and method |
| CN111173485A (en) * | 2018-11-12 | 2020-05-19 | 中国石油化工股份有限公司 | Method for increasing hot dry rock heat storage transformation volume |
| CN111173485B (en) * | 2018-11-12 | 2021-09-21 | 中国石油化工股份有限公司 | Method for increasing hot dry rock heat storage transformation volume |
| CN110656918A (en) * | 2019-10-23 | 2020-01-07 | 中国石油集团川庆钻探工程有限公司 | Multi-scale crack two-phase flow simulation evaluation method |
| CN112213253A (en) * | 2020-09-17 | 2021-01-12 | 中国石油天然气股份有限公司 | High-temperature high-pressure multilayer single-particle aging device and method for polymerization proppant |
| CN112213253B (en) * | 2020-09-17 | 2023-06-23 | 中国石油天然气股份有限公司 | High-temperature high-pressure multilayer single-particle aging device and method for polymeric propping agent |
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| CN103790564B (en) | 2017-04-12 |
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Owner name: NANTONG HUAXING PETROLEUM INSTRUMENT CO., LTD. Free format text: FORMER OWNER: JILIN UNIVERSITY Effective date: 20140716 Owner name: JILIN UNIVERSITY Free format text: FORMER OWNER: NANTONG HUAXING PETROLEUM INSTRUMENT CO., LTD. Effective date: 20140716 |
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Effective date of registration: 20140716 Address after: 130012 Changchun Qianjin Street, Jilin, No. 2699 Applicant after: Jilin University Applicant after: Nantong Huaxing Petroleum Instrument Co., Ltd. Address before: 226000, No. 18, new road, Haian Development Zone, Haian County, Nantong, Jiangsu Applicant before: Nantong Huaxing Petroleum Instrument Co., Ltd. Applicant before: Jilin University |
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Inventor after: Zhang Yanjun Inventor after: Li Zhengwei Inventor after: Guo Liangliang Inventor after: Hu Zhongjun Inventor after: Yu Ziwang Inventor after: Gao Ping Inventor after: Zhang Qing Inventor after: Xu Tianfu Inventor after: Tang Shengrong Inventor before: Qian Wei Inventor before: Tang Shengrong Inventor before: Zhang Yanjun Inventor before: Li Zhengwei Inventor before: Guo Liangliang Inventor before: Hu Zhongjun Inventor before: Yu Ziwang Inventor before: Gao Ping Inventor before: Zhang Qing Inventor before: Xu Tianfu |
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