CN106198855A - For the Study of The Underground oil-gas reservoir gas experimental provision by stratum Micro blazed-grating - Google Patents
For the Study of The Underground oil-gas reservoir gas experimental provision by stratum Micro blazed-grating Download PDFInfo
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- CN106198855A CN106198855A CN201510212053.4A CN201510212053A CN106198855A CN 106198855 A CN106198855 A CN 106198855A CN 201510212053 A CN201510212053 A CN 201510212053A CN 106198855 A CN106198855 A CN 106198855A
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Abstract
The present invention for Study of The Underground oil-gas reservoir gas by the experimental provision of stratum Micro blazed-grating, including simulating chamber, gas cylinder, and the simulated formation that at least two-layer is stacked up and down and be positioned at the soil horizon of the top.Wherein, each simulation layer simulated formation all includes that less direct cap rock is oozed in hole, and hole is oozed relatively big and is positioned at the superstratum above direct cap rock, and the most each direct cap rock is equipped with gas outlet.This experimental provision may be used for simulating Micro blazed-grating rule and the near surface spatial abnormal feature of underground gas when there is multiple oil-gas reservoir, instructs oil and gas geochemical exploration to put into practice obtaining theoretic knowledge；Oil and gas secondary migration simulation and study mechanism thereof can be carried out；Oil-gas reservoir closed cap Journal of Sex Research part can be carried out；And carry out oil gas dissipation amount simulation study, provide parameter for Resources calculation.
Description
Technical field
The present invention relates to the experimental provision of a kind of Micro blazed-grating for Study of The Underground oil-gas reservoir gas, particularly
A kind of Micro blazed-grating machine of the oil-gas reservoir gas being distributed in underground longitudinal direction different depth, lateral different parts for research
The experimental provision of reason.
Background technology
Exist underliing two different set Petroleum Systems of source-rock evolution degree (such as Cenozoic and the Mesozoic group, or
The Mesozoic group and Paleozoic group etc.) area or underlie and there is the regional earth's surface geochemical in compound oil gas field
In, need the Characteristics of Geochemical Anomalies of not homology is identified, study multiple oil-gas reservoir gas by experimental provision
Micro blazed-grating mechanism, it is possible to the Correct Analysis for earth's surface Geochemical Anomalies provides experimental basis and plays guidance
Effect.
At present, a kind of experimental provision for the Micro blazed-grating of Researching Oil-gas gas include being provided with simulated formation and
Edaphic simulating chamber, and for being filled with the gas cylinder of oil-gas reservoir gas to simulating chamber.Simulated formation is arranged on soil
The lower section of earth layer, and in simulated formation, it is provided with the gas outlet connected with gas cylinder.Simulated very by artificial stratum
Real stratum, thus be that Researching Oil-gas gas Micro blazed-grating in the earth formation creates environment.But, mould is being set
When intending stratum, simulated formation oozes identical in the hole of each height, can only simulate one layer of oil gas cap rock.So, no
It is easy to simulate and is positioned at oil-gas reservoir gas influencing each other in terms of Micro blazed-grating in different depth stratum.
Therefore, how to solve to be not easy to simulate and be positioned in different depth stratum oil-gas reservoir gas in terms of Micro blazed-grating
Influence each other, the problem of earth's surface synergistic effect, be this area scientific research personnel's technical issues that need to address.
Summary of the invention
The present invention provides a kind of experimental provision for Study of The Underground multiple oil-gas reservoir gas Micro blazed-grating, using the teaching of the invention it is possible to provide
Different simulated formations, thus for the influencing each other of Study of The Underground multiple oil-gas reservoir gas Micro blazed-grating, earth's surface superposition
Effect provides favourable environment.
The experimental provision passing through stratum Micro blazed-grating for Study of The Underground oil-gas reservoir gas of the present invention, opens including top
Mouthful simulating chamber, for injecting the gas cylinder of oil-gas reservoir gas to described simulating chamber, and be separately positioned on described mould
Intend simulated formation that at least two-layer in room is stacked up and down and be positioned at the soil on the described simulated formation of the top
Earth layer.Wherein, each described simulated formation all includes that less direct cap rock is oozed in hole, and hole is oozed relatively big and is positioned at
Superstratum above described direct cap rock, the most each described direct cap rock is equipped with and going out that described gas cylinder connects
QI KOU.
In one embodiment, the direct cap rock and the superstratum that are positioned at same described simulated formation are split type knot
It also it is split-type structural between structure, and each simulated formation.
In one embodiment, each described direct cap rock and described superstratum all include main by cement and quartz
The pour mass that sand mixes.
In one embodiment, it is positioned in the described simulated formation of bottom and is provided with for making described simulated formation produce
The mica sheet of raw tomography.
In one embodiment, the sidewall of described simulating chamber is insulation material, and diapire is metal material, wherein
Described diapire is provided with for being connected to by the Access Division in the draw-in groove formed between described sidewall and simulated formation.
In one embodiment, be positioned at the described direct cap rock of bottom be provided with at least two respectively from different gas
The gas outlet of bottle connection, and each gas outlet is different apart from the height of the diapire of described simulating chamber.
In one embodiment, also include the heating arrangement being fixed on the diapire of described simulating chamber, wherein said
Heating arrangement includes the heating plate being fixed on described diapire, and is arranged on the insulation around described heating plate
Cotton.
In one embodiment, each described simulated formation and described soil horizon are equipped with porous gather qi together core, many
Hole gather qi together core is connected to outside by capillary tube, and capillary tube outside port is by rubber seal.9. according to right
Require the experimental provision according to any one of 1-8, it is characterised in that also include for Experiments of Automatic Control parameter,
And monitor and record the automatic controls of experiment parameter in real time.
In one embodiment, the water injecting mechanism connected with the water filling port on the diapire of described simulating chamber is also included.
In one embodiment, described oil-gas reservoir gas includes the hydrocarbon gas being provided with tracer, described hydro carbons gas
The component of body includes C1-C5In at least one.
Relative to prior art, the experimental provision of the present invention is simulated really by artificial stratum and soil horizon
Layer, thus be that Researching Oil-gas gas Micro blazed-grating mechanism in the earth formation creates favourable simulated environment.It is being provided with
After multiple simulated formations, it is also possible to by arranging source of the gas (simulated oil gas reservoir) in different simulated formations, from
And the Micro blazed-grating being easy to study the multiple oil-gas reservoir gases being positioned at Different Strata influences each other and near surface superposition
Effect.
Accompanying drawing explanation
Hereinafter based on embodiment reference accompanying drawing, the present invention will be described in more detail.
Fig. 1 is the experiment of the Micro blazed-grating when Study of The Underground oil-gas reservoir gas passes through stratum of the embodiment of the present invention
The structural representation of device.
In the accompanying drawings, identical parts use identical reference.Accompanying drawing is not drawn according to actual ratio.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
The experimental provision of the present invention is for the Micro blazed-grating of Study of The Underground multiple oil-gas reservoir gas.As it is shown in figure 1, should
Experimental provision includes the simulating chamber 1 that top is uncovered, and is contained with the gas similar to oil-gas reservoir gas (such as hydrocarbon
Class gas) and the gas cylinder 4 that connects with simulating chamber 1.Wherein, in simulating chamber 1, it is provided with at least two-layer simulation ground
Layer 3, and each simulated formation 3 is stacked along the vertical direction of simulating chamber 1.Simulated formation 3 in the top it
It is provided with soil horizon 2.Real stratum is simulated by simulated formation 3 and soil horizon 2, thus oily for research
Gas reservoir gas Micro blazed-grating in the earth formation creates favourable simulated environment.After being provided with multiple simulated formation 3, also
Can by arranging source of the gas in different simulated formations 3, consequently facilitating research to be positioned at different depth stratum many
Individual oil-gas reservoir gas Micro blazed-grating influences each other and synergistic effect.
In one example, the sidewall 11 of simulating chamber 1 is insulation material, so that simulated formation 3 and soil horizon 2
Keep stationary temperature gradient, and reduce the external environment impact on simulating chamber 1.The material of heat-insulation layer can be
Polyethylene.The diapire 12 of simulating chamber 1 is metallic plate.The upper surface of metallic plate is fixed with the annular extended upward
Connecting portion.It is provided with Access Division between simulated formation 3 and sidewall 11.By annular connecting portion clamping by metal
Plate, simulated formation 3 are fixed with sidewall 11.It is arranged such, simple in construction, easy for installation.It addition, at mould
Intend being also provided with epoxy resin sealant layer 35 between stratum 3 and the sidewall 11 of simulating chamber 1.Epoxy resin
Intensity higher, and and sealing property between pipeline preferable.
Further, each simulated formation 3 all includes the direct cap rock 32 being positioned at lower floor and is positioned at the overlying on upper strata
The hole of the direct cap rock 32 in stratum 31, and same simulated formation 3 is oozed and is oozed less than the hole of superstratum 31.
Each direct cap rock 32 is also equipped with the gas outlet connected with gas cylinder 4.Simulated truly by simulation layer 32
The direct cap rock of oil-gas reservoir in Ceng, is stacked in direct cap rock 32 by superstratum 31, thus improves in simulation
Time verity.Directly the thickness of cap rock 32 and the thickness of superstratum 31 all can be the most concrete
Set.And directly the hole of cap rock 32 blend that the hole of superstratum 31 oozes can also be concrete according to concrete needs
Set.
In one example, simulating chamber 1 is provided with two-layer simulated formation 3.It is positioned at the direct cap rock 32 of lower section
Height be 21-25cm, the height of superstratum 31 being positioned at lower section is 43-47cm, and above is direct
The height of cap rock 32 is 3-7cm, and the height of superstratum 31 above is 25-29cm.It is arranged such,
To increase the general applicability of experimental provision such that it is able to study the oil-gas reservoir gas in the case of multiple different depth
The impact of Micro blazed-grating.It addition, will be located in the thicker of direct cap rock 32 setting of lower section, in order to simulation
The capping preferable cap rock of performance.
The porosity of each direct cap rock 32 can be identical, and the porosity of each superstratum 31 is the most identical, with
It is easy to processing, save trouble and labor.In one example, the porosity of each direct cap rock 32 is all between 5-8%.
The porosity of each superstratum 31 is all between 10-15%.It is arranged such, can be Researching Oil-gas gas
Micro blazed-grating create favourable environment, and contribute to the oil-gas reservoir gas making to be positioned at lower floor by different physical property layers to
Upper diffusion.
It addition, each simulated formation 3 can all mainly be formed by cement and quartz sand mixing cast, to simplify knot
Structure, and it is easy to processing.The mixed proportion of cement and quartz sand specifically can set according to concrete demand.Watering
During noting each simulated formation 3, can separately pour into a mould each simulated formation 3.Treat each simulated formation 3
After solidification, simulating chamber 1 forms the simulated formation medium of densification.Each simulated formation 3 is different physical property
Structure, can also be arranged as required to the simulation layer 3 of different number.
Further, also water for split type between direct cap rock 32 and the superstratum 31 of each simulated formation 3
Note structure, in order to produce different physical property layer.Because cement and quartz sand mixing cast condense, so that directly
Closely sealed better performances between cap rock 32 and superstratum 31.
Soil horizon 2 be mainly composed of ecru sandy loam.After simulated formation 3 is set, then by shallow
Lark sandy loam is laid on simulated formation 3.The thickness of soil horizon 2 can be 28-32cm, to improve
Verity during simulation.
Further, it is also possible in the simulated formation 3 be positioned at bottom, add mica sheet 6, so that mould can be made
Intend stratum 3 and produce planar crack, in order to simulate the subsurface fault effect to oil-gas reservoir gas Micro blazed-grating.At one
In example, the mica sheet 6 direct cap rock 32 in same simulated formation 3 and superstratum 31.Mica sheet
The thickness of 6 and length specifically can set according to concrete demand.
Additionally, at least two gas outlet can be provided with in the simulated formation 3 be positioned at lower floor, it is positioned at the mould on upper strata
Intend stratum 3 can arrange a gas outlet.It is arranged such, it is possible to simulation is positioned at different depth the most truly
The Micro blazed-grating of oil-gas reservoir gas.
The set-up mode of gas outlet is, is positioned in the direct cap rock 32 bottom simulating chamber 1 and is provided with two porous sand
Core 33.Two porous cores 33 are vertically arranged, and by bottom simulating chamber 1 enter pipeline with
Gas cylinder 4 connects.Height bottom two porous core 33 range simulation rooms 1 can be different, with simulation laterally
The Micro blazed-grating rule of the oil-gas reservoir of different parts.In one example, the height of more much higher hole core 33 can
Think that 13-16cm, the height of relatively low porous core 33 can be 4-6cm.
Direct cap rock 32 above is provided with a porous core 34.Porous core 34 sets in the horizontal direction
Put, and near the bottom of direct cap rock 32.The pipe that porous core 34 enters with the sidewall 11 from simulating chamber 1
Road connects.
At this point it is possible to be provided with three gas cylinders 4.The oil-gas reservoir gas can being filled with in each gas cylinder 4 is hydro carbons gas
Body.Hydrocarbon gas is that component is from C1-C5Gaseous mixture, each percentage composition can the most specifically set.
Each source of the gas can be separately added into H2, He, Ne be as the tracer of hydrocarbon gas, in order to detection identifies
The Micro blazed-grating of each source of the gas hydrocarbon gas.And can arrange on the pipeline connected with gas cylinder 4 decompression venting valve and
Two-port valve, to control the pressure of hydrocarbon gas, and controls the unlatching of gas cylinder 4.
It addition, be positioned at the content of Micro blazed-grating hydrocarbon gas being easy to detect diverse location, each direct cap rock 32,
Superstratum 31 and soil horizon 2 are equipped with porous gather qi together core 91.The porosity of porous gather qi together core 91 is permissible
Reach 31.25%.The number of porous gather qi together core 91 specifically can set according to specifically demand.At an example
In, porous gather qi together core 91 is external diameter 1.5cm, the cylinder of a length of 1.5cm.
Each porous gather qi together core 91 can be all in communication with the outside by capillary tube.The external port of capillary tube is provided with
With the air hatch 92 of rubber seal.Capillary tube can be horizontally disposed, and air hatch 92 is many with corresponding
Hole gather qi together core 91 is positioned at sustained height.Air hatch 92 can be fluorubber at the material taking gas position.Need
During sampling, directly pierce through fluorubber with sampler and take gas.After sampler to be removed, fluorubber automatically forms close
Envelope, so that air hatch 92 is in sealing state.It is arranged such, simple in construction, it is simple to research.
This experimental provision also includes the heating arrangement 5 being positioned at below simulating chamber 1.Heating arrangement 5 includes being fixed on
Heating plate 51 on the diapire 12 of simulating chamber 1, and the heat-preservation cotton 52 being enclosed in around heating plate 51.As
This is arranged, simple in construction, it is possible to reducing scattering and disappearing of heat, when making heating, simulating chamber forms temperature from bottom to top
Gradient.
Additionally, this experimental provision also includes water injecting mechanism 8.Water inlet is arranged on the lower section of simulating chamber 1, with energy
Enough carry out water filling to model bottom, it is achieved pressurization function, thus the formation water of simulated oil gas reservoir.Water injecting mechanism 8
Water tank 82 can be included, and for the water in water tank 82 being injected the water injecting pump 81 in simulation cylinder.
This experimental provision also include experiment parameter for being controlled automatically in experimentation (as temperature, water injection rate,
Oil-gas reservoir gas pressure etc.), and monitor and record the automatic controls 7 of experiment parameter in real time.An example
In son, can be spaced such as 30 minutes and gather a secondary data, in order to carry out experiment contrast.It addition, respectively
Cap rock 32, superstratum 31 and soil horizon 2 directly arrange such as the temperature detecting point of T1-T5, and by certainly
Dynamic controlling organization 7 collecting temperature numerical value, can simulate geothermal gradient effect.
By this experimental provision, 4 dimension test datas can be obtained, and disclose not autoploid (oil-gas reservoir) "
Table " cause synergistic effect, the influential effect etc. to the Micro blazed-grating of oil-gas reservoir gas such as tomography, further illustrate
Contact that source body (oil-gas reservoir) is abnormal with " earth's surface ", it was demonstrated that the theoretical foundation of surface oil and gas geochemical exploration.
The experimental provision of the present invention may be used for simulating underground and there is multiple oil-gas reservoir (laterally-distinct position, longitudinal direction
The oil-gas reservoir of different depth) time Micro blazed-grating rule and near surface spatial abnormal feature, with obtain theoretic knowledge instruct oil
Gas geochemical is put into practice；Oil and gas secondary migration simulation and study mechanism thereof can be carried out；Oil gas can be carried out
Hide closed cap Journal of Sex Research, and the preservation condition of Researching Oil-gas；And carry out oil gas dissipation amount simulation study,
Parameter is provided for Resources calculation.
In one embodiment, utilize this experimental provision, the Micro blazed-grating machine to multi-source (oil-gas reservoir) hydrocarbon gas
Reason has carried out the simulation up to 8 months, effectively discloses deep-seated oil gas reservoir Micro blazed-grating and oozes Shallow Reservoirs is micro-
The superimposed reformation effect of the earth's surface GEOCHEMICAL FIELD of leakage, proposes leak source (oil-gas reservoir) and cap rock condition is to control
The key factor of geochemical anomaly pattern, the perfect rationale model of hydrocarbon geochemical exploration, and achieve good should
Use effect.
Although by reference to preferred embodiment, invention has been described, but without departing from the scope of the present invention
In the case of, it can be carried out various improvement and parts therein can be replaced with equivalent.Especially, only
Otherwise there is structural hazard, the every technical characteristic being previously mentioned in each embodiment all can combine in any way
Come.The invention is not limited in specific embodiment disclosed herein, but include falling within the scope of the appended claims
All technical schemes.
Claims (11)
1. pass through an experimental provision for stratum Micro blazed-grating for Study of The Underground oil-gas reservoir gas, open including top
Mouthful simulating chamber, for injecting the gas cylinder of oil-gas reservoir gas to described simulating chamber, and be separately positioned on described mould
Intend simulated formation that at least two-layer in room is stacked up and down and be positioned at the soil on the described simulated formation of the top
Earth layer,
Wherein, each described simulated formation all includes that less direct cap rock is oozed in hole, and hole is oozed relatively big and is positioned at institute
Stating the superstratum above direct cap rock, the most each described direct cap rock is equipped with and giving vent to anger that described gas cylinder connects
Mouthful.
Experimental provision the most according to claim 1, it is characterised in that be positioned at same described simulated formation
Direct cap rock and superstratum be also to be split-type structural between split-type structural, and each simulated formation.
Experimental provision the most according to claim 1 and 2, it is characterised in that each described direct cap rock and
Described superstratum all includes the pour mass mainly mixed by cement and quartz sand.
4. according to the experimental provision according to any one of claim 1-3, it is characterised in that be positioned at bottom
Described simulated formation is provided with for making described simulated formation produce the mica sheet of tomography.
5. according to the experimental provision according to any one of claim 1-4, it is characterised in that described simulating chamber
Sidewall is insulation material, and diapire is metal material, and wherein said diapire is provided with for being connected to by described side
Access Division in the draw-in groove formed between wall and simulated formation.
6. according to the experimental provision according to any one of claim 1-5, it is characterised in that be positioned at bottom
Described direct cap rock is provided with the gas outlet that at least two connects respectively, and each gas outlet distance from different gas cylinders
The height of the diapire of described simulating chamber is different.
7. according to the experimental provision according to any one of claim 1-6, it is characterised in that also include being fixed on
Heating arrangement on the diapire of described simulating chamber, wherein said heating arrangement includes being fixed on adding on described diapire
Hot plate, and it is arranged on the heat-preservation cotton around described heating plate.
8. according to the experimental provision according to any one of claim 1-7, it is characterised in that each described simulation ground
Being equipped with porous gather qi together core in layer and described soil horizon, porous gather qi together core is connected to outside, hair by capillary tube
Tubule outside port is by rubber seal.
9. according to the experimental provision according to any one of claim 1-8, it is characterised in that also include for certainly
Dynamic Control release parameter, and monitor and record the automatic controls of experiment parameter in real time.
10. according to the experimental provision according to any one of claim 1-9, it is characterised in that also include and institute
State the water injecting mechanism that the water filling port on the diapire of simulating chamber connects.
11. according to the experimental provision according to any one of claim 1-10, it is characterised in that described oil-gas reservoir
Gas includes the hydrocarbon gas being provided with tracer, and the component of described hydrocarbon gas includes C1-C5In at least one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510212053.4A CN106198855B (en) | 2015-04-29 | 2015-04-29 | Pass through the experimental provision of stratum Micro blazed-grating for Study of The Underground oil-gas reservoir gas |
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| CN201510212053.4A CN106198855B (en) | 2015-04-29 | 2015-04-29 | Pass through the experimental provision of stratum Micro blazed-grating for Study of The Underground oil-gas reservoir gas |
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| CN106198855B CN106198855B (en) | 2018-06-12 |
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| CN109655596A (en) * | 2018-12-14 | 2019-04-19 | 广州海洋地质调查局 | A kind of multivariable condition submarine shallow gas leakage analogy method |
| CN113514204A (en) * | 2021-04-07 | 2021-10-19 | 常州大学 | Depleted oil reservoir type gas storage contains crack cap leakproofness test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109655596A (en) * | 2018-12-14 | 2019-04-19 | 广州海洋地质调查局 | A kind of multivariable condition submarine shallow gas leakage analogy method |
| CN109655596B (en) * | 2018-12-14 | 2021-06-29 | 广州海洋地质调查局 | Multivariable condition seabed shallow layer gas leakage simulation method |
| CN113514204A (en) * | 2021-04-07 | 2021-10-19 | 常州大学 | Depleted oil reservoir type gas storage contains crack cap leakproofness test device |
| CN113514204B (en) * | 2021-04-07 | 2023-12-08 | 常州大学 | Sealing performance test device for crack-containing cover layer of exhausted oil reservoir type gas storage |
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| Publication number | Publication date |
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| CN106198855B (en) | 2018-06-12 |
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