CN106896215A - A kind of experimental provision for simulating various cause conditions to structure with lower amplitude morphology influence - Google Patents
A kind of experimental provision for simulating various cause conditions to structure with lower amplitude morphology influence Download PDFInfo
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Abstract
The various cause conditions of a kind of simulation the present invention relates to geological structure technical field to the experimental provision of structure with lower amplitude morphology influence, mainly by computer system, casing, piston ring, piston, pressure pipe, sandstone particle, mud stone particle, enter pressure ring, bolt, air compressor machine A, high-speed camera, iron prop, pressure sensor, small ball valve, Minitype pressure gauge, large-scale pressure gauge, large-scale ball valve, air compressor machine B, lower stratum, lateral pedestal, overlying strata and reservoir and constitute.The stress of differential compaction, basement uplift and lateral compression suffered by stratum when its technical scheme core is truth and the structure with lower amplitude formation that subsurface formations have more really been simulated in casing.This experimental provision is simple to operate, can well simulate process of various cause conditions to structure with lower amplitude morphology influence.
Description
Technical field
One kind the present invention relates to geological structure technical field simulates various cause conditions to structure with lower amplitude morphology influence
Experimental provision.
Background technology
Structure with lower amplitude this term be for it is comprehensive state these Structural ranges it is low, it is disguised it is strong, with existing earth thing
Reason exploration means is difficult construction with different origins and scale for finding and recognizing and combinations thereof.Structure with lower amplitude is typically developed
In stratum below several kms, for the stratum of a few kms under ground level, it is often subject to differential compaction, substrate grand
The influence of many factors such as the effect of liter, lateral extrusion stress, so that it produces grand nose, fornix, anticline, flexure etc. various
The structure with lower amplitude for coming in every shape；The a host of facts accumulated by field survey for many years prove that structure with lower amplitude is in oil-gas accumulation
And there is control action in large-medium oil-and-gas fields forming process.Further investigate shadow of various cause conditions to structure with lower amplitude form
Ring, for the rich accumulation of oil and gas feature for analyzing domestic and international oil field, find out oil and gas and water distribution rule, disclose large-medium-sized oilfield (Tibetan) origin cause of formation
Mechanism, implement Oil Reservoir Types, instruct oil-gas exploration and exploitation etc. significant.If various cause conditions can not be solved to low
Influence this problem produced by amplitude structural configuration feature, will result directly in and be difficult to judge structure with lower amplitude in geological exploration
Scale, type and the problems such as be difficult to the clearly Hydrocarbon Enrichment Regularity of correlation oil reservoir, cause well site deployment in exploration operation
Deviation, ultimately results in a large amount of exploration funds and can't regain one's original capital.Therefore, for structure with lower amplitude under the influence of various cause conditions,
The change that its morphological feature occurs is necessary to be studied.If invention one kind can effectively simulate various cause conditions to by a narrow margin
The experimental provision of degree structural configuration influence, it can carry out visualization and grind to the structure with lower amplitude morphological feature under various cause conditions
Study carefully, will be significant to live oil-gas exploration and exploitation.
The content of the invention
The purpose of the present invention is：A kind of experiment dress for simulating various cause conditions to structure with lower amplitude morphology influence is provided
Put.
The technical solution adopted in the present invention is：
The present invention is a kind of experimental provision for simulating various cause conditions to structure with lower amplitude morphology influence, mainly by calculating
Machine system, casing, piston ring, piston, pressure pipe, sandstone particle, mud stone particle, enter pressure ring, bolt, air compressor machine A, high-speed camera
Machine, iron prop, pressure sensor, small ball valve, Minitype pressure gauge, large-scale pressure gauge, large-scale ball valve, air compressor machine B, lower stratum, side
Constituted to pedestal, overlying strata and reservoir.In casing, overlying strata and lower stratum are the rock as two kinds of materials and basic group
Divide consistent with subterranean strata, the sheet ground that underground tight sand is constituted is simulated by them.Sandstone used in experimentation
Particle, mud stone particle diameter are all 5mm, and both particles are closely filled in overlying strata with lower stratum using dislocation design up and down
Between, simulate the good reservoir in underground.Overlying strata, lower stratum and the part of middle part reservoir three are brought into close contact, and pass through
Screw bolt reinforcing, is horizontally mounted in lateral pedestal and enters between pressure ring, and the series of strata for collectively constituting are the true of realistic simulation subsurface formations
Truth condition.The length and width size of overlying strata, lower stratum and middle part reservoir is consistent, is：12m × 8m, but each thickness degree is different,
Shangdi thickness 1.2m, lower ground thickness 1.2m, preserves thickness 0.6m.In Shangdi, layer surface is uniformly arranged five pressure pipe transmission pneumatics
The pressure of machine conveying, the differential compaction that stratum is subject to when simulation structure with lower amplitude is formed；It is uniformly arranged in lower surface of stratum
Five pressure of pressure pipe transmission air compressor machine conveying, the basement uplift that stratum is subject to when simulation structure with lower amplitude is formed is acted on,
The ground series of strata right side of upper and lower stratum and reservoir composition is set into pressure ring, is connected on pressure ring is entered into pressure pipe and transportation horizontal direction
Pressure, the lateral extrusion stress that is subject to of stratum when simulation structure with lower amplitude is formed, the pressure pipe in three directions of surrounding formation can
The realizing self disassembling according to personal experiment purpose difference.Air compressor machine and each ball valve are opened in experimentation, is pressed as piston is unilateral
The increase of power promotes it to be moved to stratum direction, and stratum direction air is compressed in pressure pipe, and pressure gradually increases, and finally makes ground
There is structure with lower amplitude deformation in layer, after structure with lower amplitude reaches experiment purpose deformation extent in series of strata, close air compressor machine, pressure
Decline, piston is kept in the center.The stagnation pressure that air compressor machine A and air compressor machine B are provided is controlled by large-scale ball valve and large-scale pressure gauge
Power size, partial pressure size of the shunting on each pressure pipe is controlled by small ball valve and Minitype pressure gauge.Up and down
Layer is internal to be respectively provided with 6 pressure sensors at equal intervals with each pressure pipe corresponding position, and by wire and computer
System is connected, and upper and lower stratum various places inside bears the situation of pressure when can record structure with lower amplitude metamorphosis.Case
Body is made up of transparent acrylic glass material, and its length, width and height size is：15m × 12m × 5m, box house is set up 4 iron props and is made
It is the support of overlying strata, lower stratum and reservoir；Casing outside erects high-speed camera, can be complete through transparent acrylic glass
The overall process of structure with lower amplitude metamorphosis under complete record.
Advantages of the present invention：Whole experiment process is simple to operate, can accurately be obtained by visualized experiment and pressure monitoring
The rule that is influenceed on structure with lower amplitude metamorphosis to various cause conditions simultaneously can in real time obtain pressure changing.
Brief description of the drawings
Fig. 1 is that a kind of structure of experimental provision of the various cause conditions of simulation of the present invention to structure with lower amplitude morphology influence is shown
It is intended to.
In figure：1. computer system, 2. casing, 3. piston ring, 4. piston, 5. pressure pipe, 6. sandstone particle, 7. mud stone
Grain, 8. enters pressure ring, 9. bolt, 10 air compressor machine A, 11. high-speed cameras, 12. iron props, 13. pressure sensors, 14. small ball valves,
15. Minitype pressure gauges, 16. large-scale pressure gauges, 17. large-scale ball valves, 18. air compressor machine B, 19. times stratum, 20. lateral pedestals, 21.
Overlying strata, 22. reservoirs.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of experimental provision for simulating various cause conditions to structure with lower amplitude morphology influence of the present invention, main
Will by computer system 1, casing 2, piston ring 3, piston 4, pressure pipe 5, sandstone particle 6, mud stone particle 7, enter pressure ring 8, bolt
9th, air compressor machine A 10, high-speed camera 11, iron prop 12, pressure sensor 13, small ball valve 14, Minitype pressure gauge 15, large-scale pressure
Power table 16, large-scale ball valve 17, air compressor machine B 18, lower stratum 19, lateral pedestal 20, overlying strata 21 and reservoir 22 constitute.
As shown in figure 1, physical simulation process is：Filled out in the overlying strata 21 of casing 2 and lower stratum 19 first and put and underground
The same rock of rock stratum material, then sandstone particle 6, mud stone particle 7 are closely filled in overlying strata 21 using dislocation design up and down
Between lower stratum 19, the good reservoir 22 in underground is simulated.Overlying strata 21, lower stratum 19 and middle part reservoir 22 3
Divide and be brought into close contact, and reinforced by bolt 9, be horizontally mounted in lateral pedestal 20 and enter between pressure ring 8, the series of strata for collectively constituting are
The truth of realistic simulation subsurface formations.Computer system 1 is opened, 12 pressure in overlying strata 21, lower stratum 19 are passed
Data in sensor 13 can pass computer system back.
When simulated formation is influenceed by basement uplift effect and lateral compression effect on structure with lower amplitude form, unload
Fall the pressure pipe 5 on the surface of overlying strata 21, access the lower surface of stratum 19 and enter the pressure pipe 5 on the right side of pressure ring 8, open air compressor machine B 18
And large-scale ball valve 17 is switched, the small ball valve 14 opened series of strata bottom and enter the right side of pressure ring 8 is switched, as lower stratum 19 is connect
The low pressure of the internal piston 4 of pressure pipe 5 gradually increases, and piston 4 will be promoted up to move, and upper air is compressed, and pressure increases
Plus, when transmission pressure reaches 30Mpa in pressure pipe 5, stratum takes place structure with lower amplitude deformation, and pressure continues to increase, series of strata
When interior structure with lower amplitude reaches experiment purpose deformation extent, air compressor machine B 18 is closed, pressure declines, and piston 4 is kept in the center；In layer
System right side, gradually increases with entering pressure ring 8 and connecing the right atrial pressure of 5 inner carrier of pressure pipe 4, it will promote piston 4 to left movement, living
Fill in 4 left lateral air to be compressed, pressure increases, when transmission pressure reaches 120Mpa in lateral pressure pipe 5, stratum takes place
Lateral compression deforms, and pressure continues to increase, and when structure with lower amplitude reaches experiment purpose deformation extent in series of strata, closes pneumatics
Machine B 18, pressure declines, and piston 4 is kept in the center.Air compressor machine B 18 is controlled to pass by large-scale pressure gauge 16 and large-scale ball valve 17
The gross pressure for going out, by dividing that Minitype pressure gauge 15 and small ball valve 14 the control stratum each several part on the surface of lower stratum 19 are received
Pressure；The equidistant diverse location of contact surface connects under the ground series of strata of overlying strata 21, lower stratum 19 and middle part reservoir 22 composition
The basement uplift that stratum is subject to when receiving the pressure effect differed in size to simulate structure with lower amplitude formation is acted on, overlying strata 21,
The ground series of strata of lower stratum 19 and the composition of middle part reservoir 22 receive the lateral pressure into the conveying of 8 right atrial pressure pipe of pressure ring 5, come
The lateral compression that stratum is subject to when simulation structure with lower amplitude is formed is acted on.Can be low under complete documentation in the computer system 1
The situation of change of stratum each several part pressure, stopping is tested after closing air compressor machine B 18 in amplitude construction forming process, derives experiment
Data, i.e., whole experimental simulation process terminates.
When simulated formation is influenceed by differential compaction and lateral compression effect on structure with lower amplitude form, unload
The pressure pipe 5 on the surface of stratum 19 is fallen down, the pressure pipe 5 on the surface of overlying strata 21 is accessed, air compressor machine A 10 and air compressor machine B 18 is opened
And large-scale ball valve 17 is switched, opening stratum is fastened portion and is switched with the small ball valve 14 for entering the right side of pressure ring 8, with the institute of overlying strata 19
Connecing the upper pressure of 5 inner carrier of pressure pipe 4 gradually increases, and piston 4 will be promoted to move downward, and the lower air of piston 4 is compressed, pressure
Increase, when transmission pressure reaches 30Mpa in pressure pipe 5, stratum takes place structure with lower amplitude deformation, pressure continues to increase, layer
After structure with lower amplitude reaches experiment purpose deformation extent in system, air compressor machine A 10 is closed, pressure declines, and piston 4 is kept in the center；
Stratum right side, gradually increases with entering pressure ring 8 and connecing the right atrial pressure of 5 inner carrier of pressure pipe 4, it will promote piston 4 to left movement,
The left part air of piston 4 is compressed, and pressure increases, and when transmission pressure reaches 120Mpa in lateral pressure pipe 5, stratum takes place
Lateral compression deforms, and pressure continues to increase, and after structure with lower amplitude reaches experiment purpose deformation extent in series of strata, closes pneumatics
Machine A 18, pressure declines, and piston 4 is kept in the center.Air compressor machine B 18, sky are controlled by large-scale pressure gauge 16 and large-scale ball valve 17
The gross pressure that press A 10 spreads out of, stratum each several part is controlled by the Minitype pressure gauge 15 and small ball valve 14 on the surface of overlying strata 21
The partial pressure for being received, it is equidistant that contact surface is fastened on the stratum for constituting overlying strata 21, lower stratum 19 and middle part reservoir 22
Diverse location receive the pressure effect differed in size and make simulating the differential compaction that is subject to of stratum when structure with lower amplitude is formed
With the ground series of strata for constituting overlying strata 21, lower stratum 19 and middle part reservoir 22 receive defeated into the right atrial pressure pipe 5 of pressure ring 8
The lateral compression that stratum is subject to when the lateral pressure for sending is to simulate structure with lower amplitude formation is acted on.In computer system 1
Can under complete documentation in structure with lower amplitude forming process stratum each several part pressure situation of change, close air compressor machine B 18, pneumatics
Tested after machine A 10 and stopped, deriving experimental data, i.e., whole experimental simulation process terminates.Experimentation passes through high-speed camera 11
Generation and the morphing process of structure with lower amplitude in different origins condition stratum are recorded through the glass of casing 2, this will be
Various cause conditions provide solid reference to the research of structure with lower amplitude morphology influence.
Claims (6)
1. a kind of experimental provision for simulating various cause conditions to structure with lower amplitude morphology influence, mainly by computer system (1),
Casing (2), piston ring (3), piston (4), pressure pipe (5), sandstone particle (6), mud stone particle (7), enter pressure ring (8), bolt
(9), air compressor machine A (10), high-speed camera (11), iron prop (12), pressure sensor (13), small ball valve (14), small pressure
Table (15), large-scale pressure gauge (16), large-scale ball valve (17), air compressor machine B (18), lower stratum (19), lateral pedestal (20), overlying strata
(21) constituted with reservoir (22), it is characterised in that：Transmitted by being uniformly arranged 5 pressure pipes (5) on overlying strata (21) surface
The differential compaction that stratum is subject to when pressure is to simulate structure with lower amplitude formation, is sequentially provided with from top to bottom in pressure pipe (5)
Piston ring (3), piston (4)；By air compressor machine A (10) for the pressure pipe (5) that overlying strata (21) surface is set provides pressure.
2. a kind of experimental provision for simulating various cause conditions to structure with lower amplitude morphology influence according to claim 1,
It is characterized in that：Structure with lower amplitude is simulated by being uniformly arranged 5 pressure pipes (5) transmission pressure on lower stratum (19) surface
The basement uplift effect that stratum is subject to during formation, in the simulation layer of overlying strata (21), lower stratum (19) and reservoir (22) composition
System right side set into pressure ring (8), and cut-in pressure pipe (5) transmission horizontal direction pressure come simulate structure with lower amplitude formed when ground
The lateral extrusion stress that is subject to of layer, the pressure pipe (5) set for lower stratum (19) surface by air compressor machine B (18) and the stratum right side
The pressure pipe (5) of side provides pressure；Around the series of strata of overlying strata (21), lower stratum (19) and reservoir (22) composition, three
The pressure pipe (5) in direction can according to personal experiment purpose is different realizing self disassembling.
3. a kind of experimental provision for simulating various cause conditions to structure with lower amplitude morphology influence according to claim 1,
It is characterized in that：Air compressor machine A (10) and air compressor machine B (18) is controlled to be carried by large-scale ball valve (17) and large-scale pressure gauge (16)
The gross pressure size of confession, controls to shunt on each pressure pipe (15) by small ball valve (14) and Minitype pressure gauge (15)
Partial pressure.
4. a kind of experimental provision for simulating various cause conditions to structure with lower amplitude morphology influence according to claim 1,
It is characterized in that：Overlying strata (21) and lower stratum (19) are the same rock and solvent and subterranean strata one of two kinds of materials
Cause, the sheet ground that underground tight sand is constituted is simulated by them；Sandstone particle (6) used in experimentation, mud stone
Grain (7) diameter is all 5mm, and both particles are closely filled in overlying strata (21) with lower stratum (19) using dislocation design up and down
Between, simulate the good reservoir in underground (22)；Overlying strata (21), lower stratum (19) and by middle part reservoir (22) three
Divide and be brought into close contact, and reinforced by bolt (9), be horizontally mounted in lateral pedestal (20) and enter between pressure ring (8), collectively constitute
Series of strata are the truths of realistic simulation subsurface formations；The length of overlying strata (21), lower stratum (19) and middle part reservoir (22)
Size wide is consistent, is：12m × 8m, but each thickness degree is different, and overlying strata (21) thickness 1.2m, lower stratum (19) thickness 1.2m are preserved
Layer (22) thickness 0.6m.
5. a kind of experimental provision for simulating various cause conditions to structure with lower amplitude morphology influence according to claim 1,
It is characterized in that：Casing (2) is made up of transparent acrylic glass material, and its length, width and height size is：15m×12m×5m；Casing
(2) it is internal to set up support of 4 iron props (12) as overlying strata (21), lower stratum (19) and reservoir (22)；Outside casing
Erect high-speed camera (11), through transparent acrylic glass can under complete documentation structure with lower amplitude metamorphosis overall process.
6. a kind of experimental provision for simulating various cause conditions to structure with lower amplitude morphology influence according to claim 1,
It is characterized in that：6 pressure are respectively equipped with overlying strata (21) and lower stratum (19) inside with each pressure pipe (5) correspondence position to pass
Sensor (13), pressure sensor (13) is connected by wire with computer system (1), can be with low amplitude structure under complete documentation
Make the situation that series of strata various places inside in morphing process bears pressure.
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| CN201710149535.9A CN106896215B (en) | 2017-03-14 | 2017-03-14 | It is a kind of to simulate a variety of cause conditions to the experimental provision of structure with lower amplitude morphology influence |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109297884A (en) * | 2018-11-28 | 2019-02-01 | 西安石油大学 | A kind of clay mineral (miscellaneous base) is to tight sand material properties affect simulator |
| CN112700704A (en) * | 2020-12-02 | 2021-04-23 | 中国石油天然气股份有限公司 | Knee fold structure simulation method and device |
| CN112700705A (en) * | 2020-12-02 | 2021-04-23 | 中国石油天然气股份有限公司 | Knee fold structure simulation system and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297884A (en) * | 2018-11-28 | 2019-02-01 | 西安石油大学 | A kind of clay mineral (miscellaneous base) is to tight sand material properties affect simulator |
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| CN112700704A (en) * | 2020-12-02 | 2021-04-23 | 中国石油天然气股份有限公司 | Knee fold structure simulation method and device |
| CN112700705A (en) * | 2020-12-02 | 2021-04-23 | 中国石油天然气股份有限公司 | Knee fold structure simulation system and method |
| CN112700705B (en) * | 2020-12-02 | 2023-10-27 | 中国石油天然气股份有限公司 | Knee fold structure simulation system and method |
| CN112700704B (en) * | 2020-12-02 | 2023-10-31 | 中国石油天然气股份有限公司 | Knee fold structure simulation method and device |
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| CN106896215B (en) | 2019-08-02 |
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