CN107762482A - A kind of rock fracture seepage flow underground heat exploits simulation system - Google Patents
A kind of rock fracture seepage flow underground heat exploits simulation system Download PDFInfo
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- CN107762482A CN107762482A CN201710786123.6A CN201710786123A CN107762482A CN 107762482 A CN107762482 A CN 107762482A CN 201710786123 A CN201710786123 A CN 201710786123A CN 107762482 A CN107762482 A CN 107762482A
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- 239000011435 rock Substances 0.000 title claims abstract description 30
- 238000004088 simulation Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000004458 analytical method Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 239000002828 fuel tank Substances 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000011160 research Methods 0.000 abstract description 9
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004445 quantitative analysis Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005352 galvanomagnetic phenomena Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005259 measurement 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
- 230000000704 physical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- E21B47/00—Survey of boreholes or wells
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of rock fracture seepage flow underground heat to exploit simulation system, it is characterised in that：Including water injecting device, model equipment, water storage device, confined pressure control device, back pressure device, vacuum extractor and apparatus for collection and analysis；The water injecting device, water storage device, vacuum extractor are connected to the entrance point of model equipment, and confined pressure control device is connected on model equipment, and the back pressure device is connected to the port of export of model equipment with apparatus for collection and analysis；Constant pressure of sample when measure in model equipment is ensure that by constant speed and constant pressure pump, while model equipment ensure that the constant of temperature using heating rod heating simulation subsurface temperature；Meet testing requirement without more complete equipments for the test in the environment of HTHP, only need to be by controlling the valves of different piston containers, by the storage water in water storage device, by meeting the research under high temperature and high pressure environment to sample in model equipment in piston container injection model device.
Description
Technical field
The present invention relates to oil gas to survey field, more particularly to a kind of rock fracture seepage flow underground heat exploitation simulation system.
Background technology
Up to the present, the research about high heat rock mass geothermal exploitation, all it is some scattered work.Rock under HTHP
The thermal conductivity of stone or rock mass, stress-strain characteristics, strength characteristics, hole fracture seepage characteristic, fracture initiation, extension, extension etc.
Characteristic, sound wave, galvanomagnetic-effect characteristic, thermal fracture characteristic, ultra-deep stratum construction and fracture detection are theoretical special with technology, Rock Masses Fractures
Property, the effect of the original fissured structure feature of rock mass is with influenceing and its coupling characteristic, governing equation, numerical analysis etc. are all
Research work is all just to have started, anxious pending extensively and profoundly elaboration.
Displacement system is investigative technique conventional in geological research, is widely used in underground heat, the description of hot dry rock, rock core
Anisotropism measure, core sample selection, crack quantitative analysis, the measurement of online saturation degree, flowing experiment research etc..It is logical
Cross and quantitative analysis is carried out to physical properties of rock, the pore structure of sign rock directly perceived, anisotropism, geology distribution；
Visual research is carried out to displacement process, deep understanding hot dry rock mechanism, monitoring fluid dispersion and channelling characteristic, understanding are poly-
Compound drives to be influenceed on improving sweep area, discloses formation damage mechanism etc..Rock core internal flow can be obtained using displacement technology
Saturation degree along journey distributed intelligence, be advantageous to the research of rock core, the stream in each layer more can be intuitively obtained using displacement technology
Body saturation distribution information, and can further study crossflow phenomenon.
For the research under simulating natural condition to underground heat, hot dry rock, in general needs to simulate underground heat in true environment, done
Rock pressure and temperature conditions where hot rock stratum, it is therefore desirable to be controlled to the temperature and pressure environment of clamper, simultaneously
Also to ensure clamper underground heat, use state of xeothermic rock under strong acid and strong base varying environment.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of rock fracture seepage flow underground heat to exploit simulation system, can solve the problem that
The problem of in general rock fracture seepage flow underground heat exploitation simulation system can not establish the ground hot system for meeting formation condition.
In order to solve the above technical problems, the technical scheme is that：A kind of rock fracture seepage flow underground heat exploitation simulation system
System, its innovative point are：Including water injecting device, model equipment, water storage device, confined pressure control device, back pressure device, vacuumize
Device and apparatus for collection and analysis；The water injecting device, water storage device, vacuum extractor are connected to the import of model equipment
End, confined pressure control device are connected on model equipment, and the back pressure device is connected to model equipment with apparatus for collection and analysis
The port of export；
The water injecting device includes constant speed and constant pressure pump, air compressor machine and piston container group；One end of the piston container group and perseverance
Fast constant pressure pump is connected, and the other end of piston container group is connected with the entrance point of model equipment and the end is parallel with water storage device；Institute
Stating water storage device includes water tank and membrane pump；The water tank is pumped into storage water by membrane pump into piston container group；
The piston container group includes a pair of first piston containers and second piston container in parallel, the both ends of first piston container
It is respectively arranged with valve A, valve C；Second piston container is provided at both ends with valve B and valve D；The valve A and valve B is simultaneously
Connection, which is connected on constant speed and constant pressure pump, is pumped into the air of air compressor machine in piston container group by constant speed and constant pressure pump；The valve C with
Valve D is connected in parallel on model equipment；Pipeline and valve B and second between the valve A and first piston container are lived
A pipeline for being in series with valve a and valve b is connected between pipeline between plug container, the pipeline between valve a and valve b leads to
Piping is connected on air compressor machine；Pipeline and valve D and second piston container between the valve C and first piston container
Between pipeline between be connected with a pipeline for being in series with valve c and valve d, the pipeline between valve c and valve d is connected to storage
In water installations；
The model equipment includes shell, heating rod and sample room；The sample room is arranged in shell, sample room and shell it
Between leave accommodate heating rod gap；Both ends on the shell are respectively arranged with entrance point and the port of export, are also set up on shell
There is confined pressure control interface；If on sample room in the horizontal direction on be provided with dry temperature sensor.
Further, the back pressure device includes hand pump and back pressure surge tank；The hand pump passes through valve P and back pressure
One end series connection of surge tank；The other end of the back pressure surge tank is in parallel with the pressure relieving valve of apparatus for collection and analysis by valve O.
Further, the apparatus for collection and analysis includes pressure relieving valve, condenser pipe, collecting tank, electronic balance and PC；It is described to release
Pressure valve is connected with condenser pipe, and the output end of condenser pipe is extend into collecting tank, and the collecting tank is placed on electronic balance；PC enters
Row data record analysis.
Further, the confined pressure control device includes confined pressure tracking pump and the first fuel tank, the confined pressure tracking pump and mould
Type device is connected, and first fuel tank is connected with confined pressure tracking pump.
Further, the vacuum plant includes vavuum pump, vacuum tank and valve Q；The vavuum pump, vacuum tank and
Valve Q is sequentially connected in series.
The advantage of the invention is that：
1）The constant pressure of sample in model equipment when measure ensure that by constant speed and constant pressure pump in the present invention, together
When model equipment using heating rod heating simulation subsurface temperature, ensure that the constant of temperature；For HTHP in the present invention
Test under environment meets testing requirement without more complete equipments, only need to be by controlling the valves of different piston containers, by water storage
Storage water in device, by meeting in piston container injection model device under high temperature and high pressure environment to sample in model equipment
Research.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
A kind of rock fracture seepage flow underground heat that Fig. 1 is the present invention exploits simulation system.
Embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among described scope of embodiments.
A kind of rock fracture seepage flow underground heat exploitation simulation system as shown in Figure 1, including water injecting device 1, model equipment
2nd, water storage device 3, confined pressure control device 4, back pressure device 5, vacuum extractor 6 and apparatus for collection and analysis 7；The water injecting device
1st, water storage device 3, vacuum extractor 6 are connected to the entrance point of model equipment 2, and confined pressure control device 4 is connected to model dress
Put on 2, the back pressure device 5 is connected to the port of export of model equipment 2 with apparatus for collection and analysis 7.
Water injecting device 1 includes constant speed and constant pressure pump 11, air compressor machine 12 and piston container group 13；The piston container group 13
One end is connected with constant speed and constant pressure pump 11, and the other end of piston container group 13 is connected with the entrance point of model equipment 2 and the end is in parallel
There is water storage device 3；The water storage device 3 includes water tank 31 and membrane pump 32；The water tank 31 is by membrane pump 32 to work
Storage water is pumped into plug container group 13.
13 groups of piston container includes a pair first piston containers 131 and second piston container 132 in parallel, and first piston holds
The both ends of device 131 are respectively arranged with valve A133, valve C134；Second piston container 132 be provided at both ends with valve B135 and
Valve D136；The valve A133 and valve B135 are connected in parallel pneumatics on constant speed and constant pressure pump 11 by constant speed and constant pressure pump 11
The air of machine 12 is pumped into piston container group 13；The valve C134 and valve D136 is connected in parallel on model equipment 2；It is described
The pipeline between pipeline and valve B135 and second piston container 132 between valve A133 and first piston container 131 it
Between be connected with a pipeline for being in series with valve a137 and valve b138, the pipeline between valve a137 and valve b138 passes through pipeline
It is connected on air compressor machine 12；Pipeline and valve D136 and second between the valve C134 and first piston container 131 are lived
A pipeline for being in series with valve c139 and valve d130, valve c139 and valve are connected between pipeline between plug container 132
Pipeline between d130 is connected on water storage device 3.
Model equipment 2 includes shell 21, heating rod 22 and sample room 23；The sample room 23 is arranged in shell 21, sample
The gap for accommodating heating rod is left between product room 23 and shell 21；Both ends on the shell 21 are respectively arranged with entrance point and gone out
Mouthful end, confined pressure control interface is additionally provided with shell 21；If on sample room in the horizontal direction on be provided with dry temperature sensor.
Back pressure device 5 includes hand pump 51 and back pressure surge tank 52；The hand pump 51 is buffered by valve P53 and back pressure
One end series connection of tank 52；The other end of the back pressure surge tank 52 by the pressure relieving valve 71 of valve O54 and apparatus for collection and analysis 7 simultaneously
Connection.
Apparatus for collection and analysis 7 includes pressure relieving valve 71, condenser pipe 72, collecting tank 73, electronic balance 74 and PC；The pressure relieving valve
71 are connected with condenser pipe 72, and the output end of condenser pipe 72 is extend into collecting tank 73, and the collecting tank 73 is placed on electronic balance
On 74；PC carries out data record analysis.
Confined pressure control device 4 includes the confined pressure tracking fuel tank 42 of pump 41 and first, the confined pressure tracking pump 41 and model equipment 2
It is connected, first fuel tank 42 is connected with confined pressure tracking pump 41.
Vacuum plant 6 includes vavuum pump 61, vacuum tank 62 and valve Q63；The vavuum pump 61, vacuum tank 62 and valve
Door Q63 is sequentially connected in series.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
Merely illustrating the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also have
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
By appended claims and its equivalent thereof.
Claims (5)
1. a kind of rock fracture seepage flow underground heat exploits simulation system, it is characterised in that：Including water injecting device, model equipment, storage
Water installations, confined pressure control device, back pressure device, vacuum extractor and apparatus for collection and analysis；The water injecting device, water storage dress
Put, vacuum extractor is connected to the entrance point of model equipment, confined pressure control device is connected on model equipment, the back pressure
Device is connected to the port of export of model equipment with apparatus for collection and analysis；
The water injecting device includes constant speed and constant pressure pump, air compressor machine and piston container group；One end of the piston container group and perseverance
Fast constant pressure is connected, and the other end of piston container group is connected with the entrance point of model equipment and the end is parallel with water storage device；It is described
Water storage device includes water tank and membrane pump；The water tank is pumped into storage water by membrane pump into piston container group；
The piston container group includes a pair of first piston containers and second piston container in parallel, the both ends of first piston container
It is respectively arranged with valve A, valve C；Second piston container is provided at both ends with valve B and valve D；The valve A and valve B is simultaneously
Connection, which is connected on constant speed and constant pressure pump, is pumped into the air of air compressor machine in piston container group by constant speed and constant pressure pump；The valve C with
Valve D is connected in parallel on model equipment；Pipeline and valve B and second between the valve A and first piston container are lived
A pipeline for being in series with valve a and valve b is connected between pipeline between plug container, the pipeline between valve a and valve b leads to
Piping is connected on air compressor machine；Pipeline and valve D and second piston container between the valve C and first piston container
Between pipeline between be connected with a pipeline for being in series with valve c and valve d, the pipeline between valve c and valve d is connected to storage
In water installations；
The model equipment includes shell, heating rod and sample room；The sample room is arranged in shell, sample room and shell it
Between leave accommodate heating rod gap；Both ends on the shell are respectively arranged with entrance point and the port of export, are also set up on shell
There is confined pressure control interface；If on sample room in the horizontal direction on be provided with dry temperature sensor.
A kind of 2. rock fracture seepage flow underground heat exploitation simulation system according to claim 1, it is characterised in that：The back pressure
Device includes hand pump and back pressure surge tank；The hand pump is connected by valve P with one end of back pressure surge tank；The back pressure
The other end of surge tank is in parallel with the pressure relieving valve of apparatus for collection and analysis by valve O.
A kind of 3. rock fracture seepage flow underground heat exploitation simulation system according to claim 1, it is characterised in that：The collection
Analytical equipment includes pressure relieving valve, condenser pipe, collecting tank, electronic balance and PC；The pressure relieving valve is connected with condenser pipe, condenser pipe
Output end is extend into collecting tank, and the collecting tank is placed on electronic balance；PC carries out data record analysis.
A kind of 4. rock fracture seepage flow underground heat exploitation simulation system according to claim 1, it is characterised in that：The confined pressure
Control device includes confined pressure tracking pump and the first fuel tank, and the confined pressure tracking pump is connected with model equipment, first fuel tank and
Confined pressure tracking pump is connected.
A kind of 5. rock fracture seepage flow underground heat exploitation simulation system according to claim 1, it is characterised in that：The vacuum
Device includes vavuum pump, vacuum tank and valve Q；The vavuum pump, vacuum tank and valve Q are sequentially connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710786123.6A CN107762482A (en) | 2017-09-04 | 2017-09-04 | A kind of rock fracture seepage flow underground heat exploits simulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710786123.6A CN107762482A (en) | 2017-09-04 | 2017-09-04 | A kind of rock fracture seepage flow underground heat exploits simulation system |
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| CN107762482A true CN107762482A (en) | 2018-03-06 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109187633A (en) * | 2018-11-02 | 2019-01-11 | 中国石油大学(华东) | Underground heat hides well pattern formula variable tear volume hot dry rock simulator and experimental method |
| CN109637328A (en) * | 2018-12-19 | 2019-04-16 | 青岛理工大学 | Temperature-adjusting high-pressure water supply system for three-dimensional simulation test of pressure reduction and trial production of deepwater combustible ice |
| CN110130872A (en) * | 2019-05-27 | 2019-08-16 | 中国石油大学(北京) | Man-made fracture network seepage rule imitative experimental appliance |
| WO2019227881A1 (en) * | 2018-05-31 | 2019-12-05 | 西南石油大学 | Apparatus and method for formation pressure test physical simulation and scaling |
| CN112002206A (en) * | 2020-08-24 | 2020-11-27 | 中国石油化工股份有限公司 | Shale gas reservoir failure mining experimental method and device |
| WO2021093613A1 (en) * | 2019-11-15 | 2021-05-20 | 中国华能集团有限公司 | Device for simulating and evaluating damage of recharge to stratum |
| CN113175313A (en) * | 2021-05-06 | 2021-07-27 | 海安县石油科研仪器有限公司 | Crack reservoir body water flooding simulation system equipment with good heat insulation performance |
| CN114062245A (en) * | 2021-11-15 | 2022-02-18 | 吉林大学 | Volcanic debris compaction diagenesis simulation device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109637328A (en) * | 2018-12-19 | 2019-04-16 | 青岛理工大学 | Temperature-adjusting high-pressure water supply system for three-dimensional simulation test of pressure reduction and trial production of deepwater combustible ice |
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| CN110130872A (en) * | 2019-05-27 | 2019-08-16 | 中国石油大学(北京) | Man-made fracture network seepage rule imitative experimental appliance |
| WO2021093613A1 (en) * | 2019-11-15 | 2021-05-20 | 中国华能集团有限公司 | Device for simulating and evaluating damage of recharge to stratum |
| CN112002206A (en) * | 2020-08-24 | 2020-11-27 | 中国石油化工股份有限公司 | Shale gas reservoir failure mining experimental method and device |
| CN113175313A (en) * | 2021-05-06 | 2021-07-27 | 海安县石油科研仪器有限公司 | Crack reservoir body water flooding simulation system equipment with good heat insulation performance |
| CN114062245A (en) * | 2021-11-15 | 2022-02-18 | 吉林大学 | Volcanic debris compaction diagenesis simulation device |
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Inventor after: Sun Zhixue Inventor after: Xu Die Inventor after: Wang Caipeng Inventor after: Wu Jian Inventor after: Yao Jun Inventor after: Liu Junrong Inventor after: Xin Ying Inventor after: Li Weina Inventor after: Wang Tong Inventor after: Zhu Xuchen Inventor after: He Chuqiao Inventor after: Yang Wendong Inventor before: Zhuang Chunxi Inventor before: Zhang Kai Inventor before: Li Gang Inventor before: Tan Baohai Inventor before: Su Yuanda Inventor before: Wang Caipeng Inventor before: Wu Jian |
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Application publication date: 20180306 |
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