CN104533401B - A kind of electric copying device suitable for percolation rule in heavy oil reservoir - Google Patents
A kind of electric copying device suitable for percolation rule in heavy oil reservoir Download PDFInfo
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- CN104533401B CN104533401B CN201410664365.4A CN201410664365A CN104533401B CN 104533401 B CN104533401 B CN 104533401B CN 201410664365 A CN201410664365 A CN 201410664365A CN 104533401 B CN104533401 B CN 104533401B
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- 238000005325 percolation Methods 0.000 title claims abstract description 14
- 239000000295 fuel oil Substances 0.000 title claims abstract description 12
- 230000015556 catabolic process Effects 0.000 claims abstract description 22
- 239000000523 sample Substances 0.000 claims abstract description 20
- 239000003792 electrolyte Substances 0.000 claims abstract description 15
- 239000002480 mineral oil Substances 0.000 claims abstract description 9
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 9
- 238000004088 simulation Methods 0.000 claims abstract description 9
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 8
- 239000008158 vegetable oil Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000005868 electrolysis reaction Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 235000019198 oils Nutrition 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FNYLWPVRPXGIIP-UHFFFAOYSA-N Triamterene Chemical compound NC1=NC2=NC(N)=NC(N)=C2N=C1C1=CC=CC=C1 FNYLWPVRPXGIIP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012067 mathematical method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000012360 testing method Methods 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
Landscapes
- 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)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a kind of electric copying devices suitable for percolation rule in heavy oil reservoir, it is made of power supply, ammeter, electronic control unit, switch, ballast, simulation shaft bottom or crack, probe, reservoir.Apparatus of the present invention can operate with the heavy crude reservoir with starting pressure gradient, simulate three dimensional fluid flow rule；Traditional electrolyte is substituted using mineral oil formula, is allowed to that there are breakdown voltages can effectively simulate starting pressure gradient, and Electrolysis is effectively relieved.
Description
Technical field：
The present invention relates to a kind of electric copying devices suitable for percolation rule in heavy oil reservoir.
Background technology：
Water power analogue experiment installation is developed using the water power principle of similitude, starts within 1933 to be applied to petrol-gas permeation fluid
The research of mechanics.30~fifties of 20th century mainly uses mathematical method and physical simulating method Researching Oil-gas Seepage problems.
Water power analogue experiment installation have many advantages, such as it is simple in structure, easy to operate, can intuitively react underground fluid percolation law, therefore
It is widely used.Recently, it is the complex structural well of representative with horizontal well, Multilateral Wells etc., seepage flow mechanism is sufficiently complex, and uses water
Electrical simulation experiment can easily simulate the boundary condition of various Holes of Complicated Wells, and directly observe the mobility status of fluid, and
And it is easy to measure isobar distribution etc..Its result can also be used to examine the accuracy of numerical simulation and analytic solutions.
Water power analogue experiment installation can also be used for research hydraulic fracturing, start to answer to the beginning of the sixties technology end of the forties
With.This method is still fracture pattern, seam length, slit width, seam height, the biography that hydraulic fracturing formation is studied using the water power principle of similitude
Relationship between conductance, fracture condudtiviy and other parameters and stimulation ratio, to instruct fracturing technology to design and mining site
Construction.Electrical analogue method research pressure break problem investment is small, be widely used, experimental period is short, accuracy is high, there is universal directive significance.
In the prior art, the mostly measurement of two dimensional surface potential reflects potential energy in stratum, to obtaining two-dimensional equipotentiality
Line；Analog routine oil reservoir can not simulate hypotonic, heavy crude reservoir with starting pressure gradient.
Invention content：
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of electricity suitable for percolation rule in heavy oil reservoir
Simulator.
In order to solve the problems existing in background technology, the present invention uses following technical scheme：
A kind of electric copying device suitable for percolation rule in heavy oil reservoir, it by power supply, ammeter, the first electronic control unit,
Second electronic control unit, switch, ballast, simulation shaft bottom or crack, probe, reservoir composition；
Power supply, ammeter, the first electronic control unit, ballast are sequentially connected by electric wire, are ultimately attached to simulating boundary
Place, simulating boundary are placed in reservoir, simulate shaft bottom or crack is placed in reservoir center and is directly connected to power cathode, visit
Needle can be freely in three-dimensional direction moving in reservoir, and voltmeter, the second electronic control unit are serially connected with probe and simulate shaft bottom or split
Between seam；
When work, after the first electronic control unit adjusts frequency, waveform, voltage, switch is connected, ballast is started to work, will
Voltage transient, which is improved to kilovolt, reaches electrolyte breakdown voltage, and voltage restores and be stable at preset state, whole electricity after breakdown
Pressure, curent change data are recorded and are stored by the first electronic control unit；It measures and remembers by position of the change probe in reservoir
Record the potential under different coordinates.
Further, the probe is cladded with insulating film, the only exposed 1mm metal probes in end.
Further, the ballast can instantaneously improve input voltage until reaching breakdown voltage, after electrolyte is breakdown
By burning voltage, the variation of this process voltage is recorded by the first electronic control unit.
Further, the electrolyte being added in the reservoir is formed by mineral oil and vegetable oil mixing preparation, by changing
Become mineral oil to change its acid value with vegetable oil mixed ratio and then adjust its electric conductivity and breakdown voltage.
Further, the simulating boundary is made of satisfactory electrical conductivity metal.
The present invention, which compares the prior art, following advantageous effect：Apparatus of the present invention can operate with starting pressure gradient
Heavy crude reservoir, simulate three dimensional fluid flow rule；Traditional electrolyte is substituted using mineral oil formula, being allowed to that there are breakdown voltages can
Effectively simulation starting pressure gradient, and Electrolysis is effectively relieved.
Description of the drawings：
Fig. 1 is the composed structure and schematic diagram of the present invention.
Specific implementation mode：
The invention will be further described with reference to the accompanying drawings and detailed description：
Fig. 1 is the composed structure and schematic diagram of the present invention.A kind of electric copying device suitable for percolation rule in heavy oil reservoir,
It is by power supply, ammeter, the first electronic control unit, the second electronic control unit, switch, ballast, simulation shaft bottom or crack, probe, storage
Liquid bath forms；1-power supply；2-ammeters；3-the first electronic control unit：Have frequency conversion, adjustment waveform, voltage, alternating current-direct current and number
According to writing function；4-switches；5-ballasts：Can voltage instantaneously be improved into supreme kilovolt to meet breakdown voltage condition, and
Stabling current after breakdown；6-simulation shaft bottoms or crack；7-probes：Probe is cladded with insulating film, and the only exposed 1mm metals in end are visited
Needle improves vertical measurement accuracy to reduce influence of the probe with superficial part electric field when reservoir deep to test；8-reservoirs：It is deep
1m is spent, vertical percolation law can be effectively simulated；9-simulating boundaries；10-the second electronic control unit：Recording voltage changes.
Wherein, the probes probes are cladded with insulating film, the only exposed 1mm metal probes in end；The ballast can be instantaneous
Raising input voltage, can be by burning voltage after electrolyte is breakdown up to reaching breakdown voltage, and the variation of this process voltage can be by electricity
Control unit record；The electrolyte being added in the reservoir is formed by mineral oil and vegetable oil mixing preparation, by changing mineral
Oil changes its acid value with vegetable oil mixed ratio and then adjusts its electric conductivity and breakdown voltage；Further, the simulating boundary
It is made of satisfactory electrical conductivity metal, such as copper.
Apparatus of the present invention workflow：After adjusting frequency, waveform, voltage by electronic control unit, switch, ballast are connected
It starts to work, voltage transient is improved to kilovolt and reaches electrolyte breakdown voltage, voltage restores and is stable at default shape after breakdown
State, the data such as full range voltage, curent change are recorded and are stored by electronic control unit.By changing position of the probe in reservoir
It measures and records the potential under different coordinates.
The starting pressure gradient of oil reservoir is simulated by the breakdown voltage of electrolyte, since there is no breakdown for routine experiment electrolyte
Voltage, thus use electrolyte made of mineral oil and vegetable oil mixture in the device, electric conductivity and breakdown voltage and oil
Itself acid value is related, can reach different acid values from vegetable oil proportioning by different minerals oil, and then obtain different electric conductivity and hit
The electrolyte of voltage is worn, the oil reservoir of a variety of tape starting barometric gradients can be simulated.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (5)
1. a kind of electric copying device suitable for percolation rule in heavy oil reservoir, which is characterized in that it is by power supply, ammeter, first
Electronic control unit, the second electronic control unit, switch, ballast, simulation shaft bottom or crack, probe, reservoir composition；
Power supply, ammeter, the first electronic control unit, ballast are sequentially connected by electric wire, are ultimately attached at simulating boundary, mould
Quasi- boundary is placed in reservoir, is simulated shaft bottom or crack and is placed in reservoir center and is directly connected to power cathode, probe in
In reservoir can freely in three-dimensional direction moving, voltmeter, the second electronic control unit be serially connected with probe with simulation shaft bottom or crack it
Between；
When work, after the first electronic control unit adjusts frequency, waveform, voltage, switch is connected, ballast is started to work, by voltage
Instantaneous improve to kilovolt reaches electrolyte breakdown voltage, and voltage restores and be stable at preset state, full range voltage, electricity after breakdown
Stream delta data is recorded and is stored by the first electronic control unit；It is measured by position of the change probe in reservoir and records difference
Potential under coordinate.
2. a kind of electric copying device suitable for percolation rule in heavy oil reservoir as described in claim 1, which is characterized in that described
Probe is cladded with insulating film, the only exposed 1mm metal probes in end.
3. a kind of electric copying device suitable for percolation rule in heavy oil reservoir as described in claim 1, which is characterized in that described
Ballast can instantaneously improve input voltage until reaching breakdown voltage, by burning voltage, this process voltage after electrolyte is breakdown
Variation is recorded by the first electronic control unit.
4. a kind of electric copying device suitable for percolation rule in heavy oil reservoir as described in claim 1, which is characterized in that described
The electrolyte being added in reservoir is formed by mineral oil and vegetable oil mixing preparation, by changing mineral oil and vegetable oil mix ratio
Example changes its acid value and then adjusts its electric conductivity and breakdown voltage.
5. a kind of electric copying device suitable for percolation rule in heavy oil reservoir as described in claim 1, which is characterized in that described
Simulating boundary is made of satisfactory electrical conductivity metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410664365.4A CN104533401B (en) | 2014-11-19 | 2014-11-19 | A kind of electric copying device suitable for percolation rule in heavy oil reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410664365.4A CN104533401B (en) | 2014-11-19 | 2014-11-19 | A kind of electric copying device suitable for percolation rule in heavy oil reservoir |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104533401A CN104533401A (en) | 2015-04-22 |
| CN104533401B true CN104533401B (en) | 2018-07-31 |
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| CN201410664365.4A Expired - Fee Related CN104533401B (en) | 2014-11-19 | 2014-11-19 | A kind of electric copying device suitable for percolation rule in heavy oil reservoir |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401550B (en) * | 2016-10-17 | 2022-12-23 | 长江大学 | Electric simulation device and test method for compact oil volume fracture starting pressure seepage law |
| CN106437695B (en) * | 2016-10-17 | 2023-07-21 | 中国石油大学(华东) | Novel electric simulation device suitable for viscous crude seepage law |
| CN113495045B (en) * | 2020-04-01 | 2024-06-21 | 中国石油化工股份有限公司 | Dense oil reservoir starting pressure gradient electric simulation system and calculation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| NL160541B (en) * | 1947-12-01 | Shell Int Research | PROCESS FOR OLGOMERISING MONO-OLEFINIC HYDROCARBONS. | |
| CN202119759U (en) * | 2011-06-09 | 2012-01-18 | 东北石油大学 | Hydro-fracture electrical analogue experiment measuring device |
| CN202084246U (en) * | 2011-06-09 | 2011-12-21 | 东北石油大学 | Electric simulation experiment device for horizontal well |
| CN202220598U (en) * | 2011-07-26 | 2012-05-16 | 中国石油化工股份有限公司 | Three-dimensional electric analog experiment device of horizontal well exploitation |
| CN102410015B (en) * | 2011-12-22 | 2014-12-24 | 中国石油大学(北京) | Electric analog system and method for infiltration law of wells in complex structures |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Guo Tiankui Inventor after: Liu Xiaoqiang Inventor after: Li Xiaolong Inventor after: Xiao Wen Inventor after: Qu Zhanqing Inventor after: Gong Diguang Inventor after: Tian Yu Inventor after: Zhang Wei Inventor after: Zhou Liping Inventor after: Xu Huaru Inventor before: Li Xiaolong Inventor before: Liu Xiaoqiang Inventor before: Qu Zhanqing Inventor before: Guo Tiankui Inventor before: Xiao Wen Inventor before: Gong Diguang Inventor before: Tian Yu Inventor before: Zhang Wei Inventor before: Zhou Liping Inventor before: Xu Huaru |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180621 Address after: 266580 Changjiang Road, Huangdao District, Qingdao, Shandong Province, No. 66 Applicant after: China Petroleum University (East China) Applicant after: Petroleum works Institute for Research and Technology of Shengli Oil Field branch company of Sinopec Group Address before: 266580 Changjiang Road, Huangdao District, Qingdao, Shandong Province, No. 66 Applicant before: China Petroleum University (East China) |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 Termination date: 20181119 |