CN206439044U - The electric analog system of horizontal well Five-point method pattern percolation law - Google Patents
The electric analog system of horizontal well Five-point method pattern percolation law Download PDFInfo
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- CN206439044U CN206439044U CN201621233945.9U CN201621233945U CN206439044U CN 206439044 U CN206439044 U CN 206439044U CN 201621233945 U CN201621233945 U CN 201621233945U CN 206439044 U CN206439044 U CN 206439044U
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Abstract
The utility model discloses a kind of electric analog system of horizontal well Five-point method pattern percolation law, including electrolyte tank（1）, the electrolyte tank（1）Interior loading electrolyte solution（2）；The electrolyte tank（1）It is upper that mobile slide bar is set（5）, the mobile slide bar（5）Electrolyte solution is stretched into upper installation（2）Interior probe（6）；The electrolyte tank（1）Electrolyte solution is stretched into interior setting（2）Interior some, which are used for the copper wire for simulating water injection well and one, is used for the copper wire V of simulated production well（45）.The utility model proposes the electric analog system of horizontal well Five-point method pattern percolation law, the percolation law of well pattern can be accurately obtained, and restrictive condition is less, it is simple and easy to apply.
Description
Technical field
The utility model is related to petrol-gas permeation fluid technology, specially a kind of electric mould of horizontal well Five-point method pattern percolation law
Plan system.
Background technology
Water power simulated experiment is a kind of analogue experiment installation developed according to the water power principle of similitude, and it is applied to oil earliest
The research of gas reservoir permeation fluid mechanics problem is in 1933.It is easy to operate because water power instrument of modeling test is simple, it is cheap,
And can intuitively reflect underground fluid percolation law, therefore application at that time is widely.Later due to computer sum
It is worth the development of simulation so that the application of water power simulation is fewer and fewer.But due to horizontal well, Multilateral Wells, fishbone well in recent years
Development, because well shape is complicated, seepage flow mechanism is complicated, relies solely on method for numerical simulation and hardly results in accurate percolation law,
And again attention of the method by people of percolation law is obtained using water power analogy method.
Water power is simulated as the basic experiment method in terms of petrol-gas permeation fluid, and its development is very perfect, for conventional oil
The device and method of straight well water power simulation is hidden as the content of courses, and people start sight being put into well pattern and complexity in recent years
Among structure well, Su Yuliang etc. has carried out low-permeability oil deposit fracturing pattern using water power simulation and studied, and soars etc. for complexity knot
Structure well has carried out water power analog study these researchs and had not all carried out examen for horizontal well patterns.The utility model pin
Water power simulation is carried out to horizontal well Five-point method pattern to study its percolation law.
The content of the invention
The purpose of this utility model is to provide a kind of electric analog system of horizontal well Five-point method pattern percolation law, Neng Gouzhun
The true percolation law for obtaining well pattern, and restrictive condition is less.
The utility model adopts the following technical scheme that realization：
In a kind of electric analog system of horizontal well Five-point method pattern percolation law, including electrolyte tank, the electrolyte tank
Load electrolyte solution；Set to install on mobile slide bar, the mobile slide bar in the electrolyte tank and stretch into electrolyte solution
Probe；Set in the electrolyte tank some stretched into the electrolyte solution copper wires for being used to simulate water injection well and one with
In the copper wire V of simulated production well；Power supply, the positive source series connection swept resistance R1 and slip are placed outside the electrolyte tank
It is connected after resistance R2 with its negative pole；The positive source series electrical flow table I and the copper wire for simulated production well, described some
It is connected after copper wire parallel connection for simulating water injection well with power cathode；The intermediate node of the swept resistance R1 and swept resistance R2
Series electrical flow table II and probe.
It is preferred that, the electrolyte tank inner bottom surface is provided for simulating the copper belt of supply boundary.The electrolyte solution
Using copper-bath.
Reservoir system：Including oil reservoir, border and well；I.e. copper strips simulates supply boundary, electrolyte tank simulation closed boundary, copper
Silk simulation wellbore hole；Electrolyte tank is used to hold electrolyte solution；Copper-bath is selected as electrolyte solution and simulates oil reservoir.
Measuring system includes：Mobile slide bar, is placed in electrolyte tank；Probe, one end is fixed on the mobile slide bar, separately
One end is stretched in electrolyte tank；The electric current that the copper wire of copper wire and simulation water injection well that ammeter I is located at simulated production well is constituted
In loop, ammeter II is located in swept resistance R2 and probe, the current loop of copper wire composition for simulating water injection well.
Electric power system：Power supply including output voltage can be adjusted.
The yield under different pressure differences, the output voltage of regulation power supply are measured first, and its output voltage is injection well and extraction
Voltage between well, the reading of ammeter I simulates the yield of injection-production well.
Isobar distribution measuring：The adjusting pressuring knob of power supply is rotated, it is a fixed value to make measurement voltage, by mobile slide bar,
The position of measuring point is determined, test point c coordinate is recorded by slide bar（x,y）, swept resistance R1 and/or swept resistance R2 is adjusted,
It is zero to make the reading of ammeter II, records now R1 and R2 reading.The voltage of diverse location is calculated, is simulated by existing straight well water power
Respective formula calculate corresponding position and pressure.
Due to method for numerical simulation it is difficult to accurate simulation horizontal well patterns percolation law, and method of numerical simulation is studied
Restrictive condition is more, the utility model proposes the electric analog system of horizontal well Five-point method pattern percolation law, can be accurate
The percolation law of well pattern is obtained, and restrictive condition is less, it is simple and easy to apply.
Brief description of the drawings
Fig. 1 represents electric analog system schematic device.
In figure：1- electrolyte tanks；2- electrolyte solutions；3- copper belts；41 copper wires I, 42 copper wires II, 43 copper wires III, 44- copper
IV, 45- of silk copper wires V, 5- movement slide bars, 6- probes；71 ammeters I, 72- ammeters II, 81- swept resistances R1,82- slip
Resistance R2,9- power supply.
Embodiment
Specific embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.
A kind of electric analog system of horizontal well Five-point method pattern percolation law, as shown in figure 1, including electrolyte tank 1, being used for
Simulate and load electrolyte solution 2 in closed boundary, the electrolyte tank 1, the electrolyte solution 2 is using copper-bath come mould
Intend oil reservoir.The inner bottom surface of electrolyte tank 1 is provided for simulating the copper belt 3 of supply boundary.
Electrolyte is stretched into as shown in figure 1, setting and being installed on mobile slide bar 5, the mobile slide bar 5 in the electrolyte tank 1
Probe 6 in solution 2.
As shown in figure 1, four stretched into electrolyte solution 2 are set in the electrolyte tank 1 is used to simulate water injection well
Copper wire I 41, copper wire II 42, copper wire III 43, copper wire IV 44 and one are used for the copper wire V 45 of simulated production well；Copper wire V 45
Positioned at copper wire I 41, copper wire II 42, copper wire III 43, copper wire IV 44 centre, and copper wire I 41, copper wire II 42, copper wire III 43, copper
Silk IV 44 is symmetrical relative to copper wire V 45.
As shown in figure 1, outer place of the electrolyte tank 1 can adjust the power supply 9 of output voltage, the positive pole string of power supply 9
It is connected after connection swept resistance R1 81 and swept resistance R2 81 with its negative pole；The positive pole series electrical flow table I 71 of power supply 9 and use
In the copper wire V 45 of simulated production well, it is connected after described four copper wires for simulating water injection well are in parallel with the negative pole of power supply 9；Institute
State swept resistance R1 81 and swept resistance R2 82 intermediate node series electrical flow table II 72 and probe 6.Ammeter I 71 is located at
The copper wire V 45 of simulated production well and copper wire I 41, copper wire II 42, copper wire III 43, the copper wire IV 44 of simulation water injection well are constituted
In current loop, ammeter II 72 be located at swept resistance R2 82 and probe 6, the copper wire I 41 for simulating water injection well, copper wire II 42,
In the current loop that copper wire III 43, copper wire IV 44 are constituted.
In use, measuring the yield under different pressure differences first, the output voltage of regulation power supply 9, its output voltage is injection
Voltage between well and extraction well, the reading of ammeter I 71 simulates the yield of injection-production well.Isobar distribution measuring：Rotate power supply
9 adjusting pressuring knob, it is a fixed value to make measurement voltage, by mobile slide bar 5, determines the position of measuring point, is recorded and surveyed by slide bar
Pilot c coordinate（x,y）, swept resistance R1 81 and/or swept resistance R2 82 is adjusted, it is zero to make the reading of ammeter II 72, note
Record now R1 and R2 reading.The voltage of diverse location is calculated, corresponding position and pressure are calculated by existing respective formula.
The present embodiment describes horizontal well five-spot pattern percolation law using water power simulation system, simple and easy to apply.
It should be noted last that, above example is only unrestricted to illustrate the technical solution of the utility model, to the greatest extent
Pipe is described in detail with reference to the utility model embodiment, it will be understood by those within the art that, it is new to this practicality
The technical scheme of type is modified or equivalent substitution, without departure from the spirit and scope of the technical solution of the utility model, its
It all should cover in claims.
Claims (5)
1. a kind of electric analog system of horizontal well Five-point method pattern percolation law, it is characterised in that：Including electrolyte tank（1）, institute
State electrolyte tank（1）Interior loading electrolyte solution（2）；The electrolyte tank（1）It is upper that mobile slide bar is set（5）, it is described mobile sliding
Bar（5）Electrolyte solution is stretched into upper installation（2）Interior probe（6）；The electrolyte tank（1）Electrolyte solution is stretched into interior setting
（2）Interior some, which are used for the copper wire for simulating water injection well and one, is used for the copper wire V of simulated production well（45）；The electrolyte
Groove（1）Outer placement power supply（9）, the power supply（9）Positive pole series connection swept resistance R1（81）With swept resistance R2（81）It is negative with it afterwards
Pole is connected；The power supply（9）Positive pole series electrical flow table I（71）With the copper wire for simulated production well, described some are used for mould
With power supply after the copper wire of pseudowater injector is in parallel（9）Negative pole is connected；The swept resistance R1（81）With swept resistance R2（82）In
Intermediate node series electrical flow table II（72）And probe（6）.
2. the electric analog system of horizontal well Five-point method pattern percolation law according to claim 1, it is characterised in that：It is described
Electrolyte tank（1）Inner bottom surface is provided for simulating the copper belt of supply boundary（3）.
3. the electric analog system of horizontal well Five-point method pattern percolation law according to claim 1, it is characterised in that：It is described
Electrolyte tank（1）It is interior that 4 copper wires I for being used to simulate water injection well are set（41）, copper wire II（42）, copper wire III（43）, copper wire IV
（44）.
4. the electric analog system of horizontal well Five-point method pattern percolation law according to claim 3, it is characterised in that：Copper wire
Ⅴ（45）Positioned at copper wire I（41）, copper wire II（42）, copper wire III（43）, copper wire IV（44）Centre, and copper wire I（41）, copper wire II
（42）, copper wire III（43）, copper wire IV（44）Relative to copper wire V（45）It is symmetrical.
5. the electric analog system of horizontal well Five-point method pattern percolation law according to claim 1, it is characterised in that：It is described
Electrolyte solution（2）Using copper-bath.
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| CN201621233945.9U CN206439044U (en) | 2016-11-17 | 2016-11-17 | The electric analog system of horizontal well Five-point method pattern percolation law |
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| CN201621233945.9U CN206439044U (en) | 2016-11-17 | 2016-11-17 | The electric analog system of horizontal well Five-point method pattern percolation law |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988041A (en) * | 2019-12-26 | 2020-04-10 | 中国石油大港油田勘探开发研究院 | Low-permeability condensate gas reservoir productivity testing device and method |
| CN112343572A (en) * | 2020-10-27 | 2021-02-09 | 长江大学 | Production simulation collection system that carbonate rock reservoir acidizing fracturing was reformed transform |
-
2016
- 2016-11-17 CN CN201621233945.9U patent/CN206439044U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988041A (en) * | 2019-12-26 | 2020-04-10 | 中国石油大港油田勘探开发研究院 | Low-permeability condensate gas reservoir productivity testing device and method |
| CN110988041B (en) * | 2019-12-26 | 2022-04-08 | 中国石油大港油田勘探开发研究院 | Low-permeability condensate gas reservoir productivity testing device and method |
| CN112343572A (en) * | 2020-10-27 | 2021-02-09 | 长江大学 | Production simulation collection system that carbonate rock reservoir acidizing fracturing was reformed transform |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220214 Address after: 030024 No. 29 Heping South Road, Wanbailin District, Taiyuan City, Shanxi Province Patentee after: Shanxi gas planning, design and Research Institute Co.,Ltd. Address before: 030032 floor 6, east block, No. 108 Changfeng street, Xiaodian District, Taiyuan City, Shanxi Province Patentee before: SHANXI SHALE GAS Co.,Ltd. |