CN103161452B - Two-dimensional microscopic visual simulation experiment device and using method thereof - Google Patents
Two-dimensional microscopic visual simulation experiment device and using method thereof Download PDFInfo
- Publication number
- CN103161452B CN103161452B CN201310080236.6A CN201310080236A CN103161452B CN 103161452 B CN103161452 B CN 103161452B CN 201310080236 A CN201310080236 A CN 201310080236A CN 103161452 B CN103161452 B CN 103161452B
- Authority
- CN
- China
- Prior art keywords
- microscopic
- model
- simulation
- clamping device
- experiment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004088 simulation Methods 0.000 title claims abstract description 130
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000000007 visual effect Effects 0.000 title claims abstract description 27
- 239000011148 porous material Substances 0.000 claims abstract description 96
- 238000002474 experimental method Methods 0.000 claims abstract description 90
- 238000006073 displacement reaction Methods 0.000 claims abstract description 52
- 239000012530 fluid Substances 0.000 claims abstract description 34
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 30
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 239000008398 formation water Substances 0.000 claims description 7
- 230000002977 hyperthermial effect Effects 0.000 claims description 6
- 238000003384 imaging method Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 238000000518 rheometry Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 37
- 230000007246 mechanism Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000002569 neuron Anatomy 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Landscapes
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a two-dimensional microscopic visual simulation experiment device and a using method thereof, wherein the two-dimensional microscopic visual simulation experiment device comprises: the first bolt vertically slides in the first groove and fixes the microscope beam to change the inclination angle of the microscope, and the microscope displays and records the flowing process of the fluid in the microscopic simulation transparent pore model; the displacement system is characterized in that a microscopic simulation transparent pore model is fixed in a high-temperature and high-pressure microscopic experiment holder cavity in a sealing mode in the horizontal direction, the model is sealed up and down, an inlet and an outlet are arranged along the diagonal line, and a sealing channel is formed between the inlet and the outlet of the high-temperature and high-pressure microscopic experiment holder; and the model inclination angle control system is characterized in that a high-temperature and high-pressure microscopic experiment holder is fixed in a model semicircular bracket, the model semicircular bracket is fixed on a model base through a second bolt capable of sliding along a second groove, and a semicircular dial disc is fixed on the model base through a third bolt capable of sliding along a third groove. The simulation experiment of the vertical seepage and the plane seepage at any inclination angle of the fluid in the microscopic simulation transparent pore model can be completed.
Description
Technical field
The present invention relates to oil field development experimental technique field, particularly relate to two-dimentional microcosmic visual Simulation experimental facilities and using method thereof.
Background technology
The experiment of two dimension microcosmic visual Simulation is the fluid micro-flow characteristics under the different development scheme of accurate Characterization in oil reservoir porous media, discloses the important technical of the micro scale sweep mechanism of different development scheme.Along with injection fluid becomes increasingly complex (as: steam, chemical agent, condensation gas, non-condensation gas etc.), and the oil reservoir object injected becomes increasingly complex, new requirement is proposed for two-dimensional visualization microscopic simulation test, comprising: vertical seepage flow characteristics and the mechanism of oil displacement that microscopic simulation transparent pore model inner fluid 1) can be characterized; 2) plane seepage flow characteristics and the mechanism of oil displacement of the transparent pore model inner fluid of arbitrary angle microscopic simulation can be characterized.
Patent CN201273903 proposes a kind of clamping device for high temperature high pressure microscopic experiment, patent CN200985788 proposes a kind of holder for high-temperature high-pressure glass microscopic model, the advantage of these two patents is all under long period, elevated pressures and higher temperature, to utilize the transparent pore model of microscopic simulation to carry out two-dimentional microcosmic visualized experiment, and utilizes microscope, camera, display and CD writer to carry out image/video collection and post-processed analysis to microscopic seepage process.But the weak point of patent CN201273903 is, because clamping device for high temperature high pressure microscopic experiment is fixed on Microscope base, therefore clamper does not possess the spinfunction by arbitrary angle, can only be used for the plane seepage simulation test in the transparent pore model of horizontal microscopic simulation; And the weak point of patent CN200985788 is, only illustrate the structural relation between the model bed body base of clamper and other parts of clamper, whether undeclared clamper possesses arbitrary angle spinfunction and realizes the parts composition of this function.In the technical scheme of above two patents, all unspecified which kind of technological means of employing realizes the vertical seepage flow of oil reservoir inner fluid and the plane seepage simulation test of arbitrary angle oil reservoir inner fluid.
Summary of the invention
The embodiment of the present invention provides a kind of two-dimentional microcosmic visual Simulation experimental facilities, in order to characterize vertical seepage flow characteristics and the mechanism of oil displacement of microscopic simulation transparent pore model inner fluid, and the plane seepage flow characteristics of the transparent pore model inner fluid of arbitrary angle microscopic simulation and mechanism of oil displacement, this device comprises:
Imaging system, displacement system and model tilt angle control; Wherein:
Imaging system comprises: microscope 1, LED intense light source 3, first bolt 7, microscope crossbeam 8, column 9, first groove 10, mobile platform 11 and computer 16; Displacement system comprises: clamping device for high temperature high pressure microscopic experiment 2, back-pressure valve 17, displacement pump 18 and manual pump 19; Model tilt angle control comprises: model semi-circular bracket 4, fan dial 5, model base 6, second bolt 12, the 3rd bolt 13, second groove 14, the 3rd groove 15, ball bearing 20;
Microscope 1 is fixed on microscope crossbeam 8, and microscope crossbeam 8 is fixed on column 9 by first bolt 7 that can slide in the first groove 10; Microscope 1 is connected by data wire with computer 16; Column 9 is vertically fixed on mobile platform 11; First bolt 7 by sliding up and down and fixing the inclination angle that microscope crossbeam 8 changes microscope 1 in the first groove 10; Microscope 1 is positioned at the first side of clamping device for high temperature high pressure microscopic experiment 2, for showing and shoot with video-corder the flow process of the transparent pore model inner fluid of microscopic simulation in clamping device for high temperature high pressure microscopic experiment 2; LED intense light source 3 is positioned at the second side of clamping device for high temperature high pressure microscopic experiment 2, for providing light source to the transparent pore model of microscopic simulation; Computer 16 for store microscope 1 and photograph image, video and displacement pump 18, the pressure of manual pump 19 and back-pressure valve 17 and data on flows;
Back-pressure valve 17, displacement pump 18 and manual pump 19 are connected to clamping device for high temperature high pressure microscopic experiment 2 by pipeline; Clamping device for high temperature high pressure microscopic experiment 2 adopts electrical heating to keep constant temperature, the fixing transparent pore model of microscopic simulation of horizontal direction sealing in cavity; The transparent pore model of microscopic simulation is up and down with the sealing of high pressure tempering clear glass, and diagonally inlet porting and outlet, forms seal channel with the entrance and exit of clamping device for high temperature high pressure microscopic experiment 2; Displacement pump 18 for injecting displacing agent in the transparent pore model of microscopic simulation; Manual pump 19 is for providing confined pressure for clamping device for high temperature high pressure microscopic experiment 2; Back-pressure valve 17 is for controlling the back pressure of the transparent pore model of microscopic simulation;
Clamping device for high temperature high pressure microscopic experiment 2 and LED intense light source 3 are fixed in model semi-circular bracket 4; Semicircular second groove 14 is established in first side of model semi-circular bracket 4, and semicircular 3rd groove 15 is established in the first side of fan dial 5, and the first side of model semi-circular bracket 4 and the first side of fan dial 5 are homonymy; In second groove 14, the left and right sides is arranged with the left and right sides in two second bolt the 12, three grooves 15 that can slide along the second groove 14 and is arranged with two the 3rd bolts 13 that can slide along the 3rd groove 15; Model semi-circular bracket 4 is fixed in model base 6 by the second bolt 12, and fan dial 5 is fixed in model base 6 by the 3rd bolt 13; Model semi-circular bracket 4 is coaxial semicircle axis body with fan dial 5, passes through ball bearing 20 in the gap contacted and be connected between model semi-circular bracket 4 with fan dial 5.
In an embodiment, during model semi-circular bracket 4 half-twist, the transparent pore model of the microscopic simulation in clamping device for high temperature high pressure microscopic experiment 2 is for standing vertically.
In an embodiment, the second side of model semi-circular bracket 4 is provided with zero graduation line, with record and calibrating patterns semi-circular bracket 4 horizontal positioned time position.
In an embodiment, second two ends, left and right, side of fan dial 5 are uniformly distributed the graduation mark between 0 ° ~ 90 °, be used to indicate in model semi-circular bracket 4 rotary course, the scale of the fan dial 5 of the zero graduation line sensing of model semi-circular bracket 4 is the inclination angle that clamping device for high temperature high pressure microscopic experiment 2 rotates.
The embodiment of the present invention also provides a kind of using method of above-mentioned two-dimentional microcosmic visual Simulation experimental facilities, in order to characterize vertical seepage flow characteristics and the mechanism of oil displacement of microscopic simulation transparent pore model inner fluid, and the plane seepage flow characteristics of the transparent pore model inner fluid of arbitrary angle microscopic simulation and mechanism of oil displacement, the method comprises:
Unclamp the second bolt 12, be rotated counterclockwise model semi-circular bracket 4 until the zero graduation line in model semi-circular bracket 4 points to the actual inclination angle of oil reservoir behind the graduation mark position of fan dial 5, tighten the second bolt 12 and model semi-circular bracket 4 is fixed in model base 6;
Unclamp the first bolt 7, along the first groove 10 slide downward microscope crossbeam 8, until when the object lens of microscope 1 are parallel with the high-pressure glass form at clamping device for high temperature high pressure microscopic experiment 2 top, tighten the first bolt 7 and microscope crossbeam 8 is fixed on column 9;
Set up the confined pressure of the transparent pore model of microscopic simulation and hyperthermic treatment is carried out to the transparent pore model of microscopic simulation;
Utilize displacement pump 18 that the formation water prepared is injected the transparent pore model of microscopic simulation from the entrance of clamping device for high temperature high pressure microscopic experiment 2; Meanwhile, open LED intense light source 3 and regulate its brightness, until observe the fluid flowing in the transparent pore model of microscopic simulation in the object lens of microscope 1;
Utilize displacement pump 18 that the formation oil for preparing is injected the transparent pore model of microscopic simulation from the entrance of clamping device for high temperature high pressure microscopic experiment 2, until export moisture when being 0%, stop injecting, set up the irreducible water saturation of the transparent pore model of microscopic simulation;
Utilize displacement pump 18 that nitrogen is injected the transparent pore model of microscopic simulation from the entrance of clamping device for high temperature high pressure microscopic experiment 2, utilize rheology characteristic and the displacement of reservoir oil feature of nitrogen bubble in the transparent pore model of microscope 1 Continuous Observation microscopic simulation, and with computer 16 continuously recording.
In an embodiment, set up the confined pressure of the transparent pore model of microscopic simulation, comprising:
Utilize manual pump 19 in the clamping device for high temperature high pressure microscopic experiment 2 being sealed with the transparent pore model of microscopic simulation, inject the ethylene glycol of the high grade of transparency, injection rate 3ml/min, until pressure reaches 8.5MPa, sets up model confined pressure.
In an embodiment, hyperthermic treatment is carried out to the transparent pore model of microscopic simulation, comprising:
Utilize the electric heating cover of clamping device for high temperature high pressure microscopic experiment 2, clamping device for high temperature high pressure microscopic experiment 2 is heated to predetermined temperature 45 DEG C.
In an embodiment, when utilizing displacement pump 18 that the formation water for preparing and formation oil are injected the transparent pore model of microscopic simulation from the entrance of clamping device for high temperature high pressure microscopic experiment 2, injection pressure 8MPa, the outlet back pressure of clamping device for high temperature high pressure microscopic experiment 2 controls at 7.7MPa.
In an embodiment, when utilizing displacement pump 18 by transparent from the entrance injection microscopic simulation of clamping device for high temperature high pressure microscopic experiment 2 for nitrogen pore model, injection pressure 8MPa, the outlet back pressure of clamping device for high temperature high pressure microscopic experiment 2 controls at 7.7MPa, injection rate 0.05ml/min.
In an embodiment, during model semi-circular bracket 4 half-twist, injected by the top entry from the transparent pore model of microscopic simulation, outlet at bottom extraction, the vertical seepage flow characteristics of simulation microscopic simulation transparent pore model inner fluid.
The two-dimentional microcosmic visual Simulation experimental facilities of the embodiment of the present invention can complete the vertical Seepage Experiment of the microscopic simulation transparent pore model inner fluid imitated under stratum high-temperature condition of high voltage, and the plane Seepage Experiment of the transparent pore model inner fluid of arbitrary angle microscopic simulation; Can be used for the vertical seepage flow characteristics and the mechanism of oil displacement that characterize microscopic simulation transparent pore model inner fluid, and the plane seepage flow characteristics of the transparent pore model inner fluid of arbitrary angle microscopic simulation and mechanism of oil displacement.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the structural representation of two-dimentional microcosmic visual Simulation experimental facilities in the embodiment of the present invention;
Fig. 2 is the structural representation of the instantiation of two-dimentional microcosmic visual Simulation experimental facilities in the embodiment of the present invention;
Fig. 3 is that in the embodiment of the present invention, two-dimentional microcosmic visual Simulation experimental facilities simulated oil inclination layer is the structural representation under 7 ° of conditions.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the embodiment of the present invention is described in further details.At this, schematic description and description of the present invention is for explaining the present invention, but not as a limitation of the invention.
Cannot complete the technical problem of the vertical seepage flow of microscopic simulation transparent pore model inner fluid and the plane seepage simulation test of the transparent pore model inner fluid of arbitrary angle microscopic simulation to solve existing apparatus, the embodiment of the present invention provides a kind of two-dimentional microcosmic visual Simulation experimental facilities and using method thereof.
Fig. 1 is the structural representation of two-dimentional microcosmic visual Simulation experimental facilities in the embodiment of the present invention.As shown in Figure 1, in the embodiment of the present invention, two-dimentional microcosmic visual Simulation experimental facilities can comprise:
Imaging system, displacement system and model tilt angle control; Wherein:
Imaging system comprises: microscope 1, LED(LightEmittingDiode, light emitting diode) intense light source 3, first bolt 7, microscope crossbeam 8, column 9, first groove 10, mobile platform 11 and computer 16; Displacement system comprises: clamping device for high temperature high pressure microscopic experiment 2, back-pressure valve 17, displacement pump 18 and manual pump 19; Model tilt angle control comprises: model semi-circular bracket 4, fan dial 5, model base 6, second bolt 12, the 3rd bolt 13, second groove 14, the 3rd groove 15, ball bearing 20;
Microscope 1 is fixed on microscope crossbeam 8, microscope crossbeam 8 by the first groove 10 slidably the first bolt 7 be fixed on column 9; Microscope 1 is connected by data wire with computer 16; Column 9 is vertically fixed on mobile platform 11; First bolt 7, can along the angle of slope of arbitrarily angled change microscope 1 by sliding up and down in the first groove 10 and fixing microscope crossbeam 8; Microscope 1 is positioned at the first side of clamping device for high temperature high pressure microscopic experiment 2, for showing and shoot with video-corder the flow process of the transparent pore model inner fluid of microscopic simulation in clamping device for high temperature high pressure microscopic experiment 2; LED intense light source 3 is located at the second side of clamping device for high temperature high pressure microscopic experiment 2, for providing light source to the transparent pore model of microscopic simulation; Computer 16 for store microscope 1 and photograph image, video and displacement pump 18, manual pump 19 and back-pressure valve 17 pressure, data on flows;
Back-pressure valve 17, displacement pump 18 and manual pump 19 are connected to clamping device for high temperature high pressure microscopic experiment 2 by pipeline, clamping device for high temperature high pressure microscopic experiment 2 adopts electrical heating to keep constant temperature, in clamping device for high temperature high pressure microscopic experiment 2 cavity, horizontal direction sealing is fixed with the transparent pore model of microscopic simulation, the transparent pore model of microscopic simulation is up and down with the sealing of high pressure tempering clear glass, diagonally inlet porting and the outlet of the transparent pore model of microscopic simulation, and form seal channel with the entrance and exit of clamping device for high temperature high pressure microscopic experiment 2; Displacement pump 18 for injecting displacing agent in the transparent pore model of microscopic simulation; Manual pump 19 is for providing confined pressure for clamping device for high temperature high pressure microscopic experiment; Back-pressure valve 17 is for controlling the back pressure of the transparent pore model of microscopic simulation;
Clamping device for high temperature high pressure microscopic experiment 2 and LED intense light source 3 are fixed in model semi-circular bracket 4; Semicircular second groove 14 is established in first side of model semi-circular bracket 4, and semicircular 3rd groove 15 is established in the first side of fan dial 5, and the first side of model semi-circular bracket 4 and the first side of fan dial 5 are homonymy; Symmetrical two second bolts 12 that can slide along the second groove 14 in the left and right sides in second groove 14 of model semi-circular bracket 4, symmetrical two the 3rd bolts 13 that can slide along the 3rd groove 15 in the left and right sides in the 3rd groove 15 of fan dial 5; Model semi-circular bracket 4 is fixed in model base 6 by the second bolt 12 in the second groove 14, and fan dial 5 is fixed in model base 6 by the 3rd bolt 13 in the 3rd groove 15; Model semi-circular bracket 4 is coaxial semicircle axis body with fan dial 5, passes through ball bearing 20 in the gap contacted and be connected between model semi-circular bracket 4 with fan dial 5.
During concrete enforcement, the second side of model semi-circular bracket 4 can be provided with zero graduation line, with record and calibrating patterns semi-circular bracket 4 horizontal positioned time position.
During concrete enforcement, second two ends, left and right, side of fan dial 5 can be uniformly distributed the graduation mark between 0 ° ~ 90 °, be used to indicate in model semi-circular bracket 4 rotary course, the scale of the fan dial 5 of the zero graduation line sensing of model semi-circular bracket 4 is the inclination angle that clamping device for high temperature high pressure microscopic experiment 2 rotates.
Fig. 2 is the structural representation of the instantiation of two-dimentional microcosmic visual Simulation experimental facilities in the embodiment of the present invention.Figure 2 illustrates the zero graduation line of model semi-circular bracket 4 second side, and the graduation mark between equally distributed 0 ° ~ 90 ° of two ends, fan dial 5 second left and right, side.
During concrete enforcement, during model semi-circular bracket 4 half-twist, the transparent pore model of microscopic simulation in clamping device for high temperature high pressure microscopic experiment 2 is for standing vertically, injected by the top entry from the transparent pore model of microscopic simulation, outlet at bottom extraction, the vertical seepage flow characteristics of microscopic simulation transparent pore model inner fluid can be simulated.
In the embodiment of the present invention, the using method of two-dimentional microcosmic visual Simulation experimental facilities can comprise:
1, model inclination angle is set:
Unclamp the second bolt 12, be rotated counterclockwise model semi-circular bracket 4 until the zero graduation line in model semi-circular bracket 4 points to the actual inclination angle of oil reservoir behind the graduation mark position of fan dial 5, tighten the second bolt 12 and model semi-circular bracket 4 is fixed in model base 6;
2, microscope inclination angle is set:
Unclamp the first bolt 7, along the first groove 10 slide downward microscope crossbeam 8, until when the object lens of microscope 1 are parallel with the high-pressure glass form at clamping device for high temperature high pressure microscopic experiment 2 top, tighten the first bolt 7 and microscope crossbeam 8 is fixed on column 9;
3, Modling model confined pressure and Controlling model heat up:
Set up the confined pressure of the transparent pore model of microscopic simulation and hyperthermic treatment is carried out to the transparent pore model of microscopic simulation; Wherein, set up the confined pressure of the transparent pore model of microscopic simulation, such as can comprise: utilize manual pump 19 in the clamping device for high temperature high pressure microscopic experiment 2 being sealed with the transparent pore model of microscopic simulation, inject the ethylene glycol of the high grade of transparency, injection rate 3ml/min, until pressure reaches 8.5MPa, thus set up model confined pressure; Hyperthermic treatment is carried out to the transparent pore model of microscopic simulation, such as, can comprise: the electric heating cover utilizing clamping device for high temperature high pressure microscopic experiment 2, clamping device for high temperature high pressure microscopic experiment 2 is heated to predetermined temperature 45 DEG C; The injected material related in precedent, injection rate, pressure, predetermined temperature can adjust according to the actual requirements;
4, saturation water process:
Utilize displacement pump 18 that the formation water prepared is injected the transparent pore model of microscopic simulation from the entrance of clamping device for high temperature high pressure microscopic experiment 2; Meanwhile, open LED intense light source 3 and regulate its brightness, until observe the fluid flowing in the transparent pore model of microscopic simulation in the object lens of microscope 1; Wherein, formation water injection pressure can be 8MPa, and the outlet back pressure of clamping device for high temperature high pressure microscopic experiment 2 can control at 7.7MPa; This injection pressure, outlet back pressure can adjust according to the actual requirements;
5, saturated oils process:
Utilize displacement pump 18 that the formation oil for preparing is injected the transparent pore model of microscopic simulation from the entrance of clamping device for high temperature high pressure microscopic experiment 2, until export moisture when being 0%, stop injecting, set up the irreducible water saturation of the transparent pore model of microscopic simulation; Wherein, formation oil injection pressure can be 8MPa, and the outlet back pressure of clamping device for high temperature high pressure microscopic experiment 2 can control at 7.7MPa; This injection pressure, outlet back pressure can adjust according to the actual requirements;
6, the nitrogen displacement of reservoir oil:
Utilize displacement pump 18 that nitrogen is injected the transparent pore model of microscopic simulation from the entrance of clamping device for high temperature high pressure microscopic experiment 2, utilize rheology characteristic and the displacement of reservoir oil feature of nitrogen bubble in the transparent pore model of microscope 1 Continuous Observation microscopic simulation, and with computer 16 continuously recording; Wherein, nitrogen injection pressure can be 8MPa, and the outlet back pressure of clamping device for high temperature high pressure microscopic experiment 2 can control at 7.7MPa, and injection rate can be 0.05ml/min; This injection pressure, outlet back pressure, injection rate can adjust according to the actual requirements.
During concrete enforcement, in the embodiment of the present invention, the using method of two-dimentional microcosmic visual Simulation experimental facilities can also comprise: during model semi-circular bracket 4 half-twist, injected by the top entry from the transparent pore model of microscopic simulation, outlet at bottom extraction, the vertical seepage flow characteristics of microscopic simulation transparent pore model inner fluid can be simulated.
Lift the specific experiment process that an example illustrates the two-dimentional microcosmic visual Simulation experimental facilities using the embodiment of the present invention below.In this example, two-dimentional microcosmic visual Simulation experimental facilities simulated oil inclination layer is 7 °, and can be also other inclination angle number of degrees during concrete enforcement, experimentation be similar.
Fig. 3 is that in this example, two-dimentional microcosmic visual Simulation experimental facilities simulated oil inclination layer is the structural representation under 7 ° of conditions.As shown in Figure 3, specific experiment process can comprise:
1, model inclination angle is set:
It is 7 ° according to the actual inclination angle of oil reservoir, unclamp the second bolt 12, be rotated counterclockwise model semi-circular bracket 4 until after zero graduation line in model semi-circular bracket 4 points to 7 ° of graduation mark positions of fan dial 5, tighten the second bolt 12 and be fixed in model base 6 by model semi-circular bracket 4;
2, microscope inclination angle is set:
Unclamp the first bolt 7, along the first groove 10 slide downward microscope crossbeam 8, until when the object lens of microscope 1 are parallel with the high-pressure glass form at clamping device for high temperature high pressure microscopic experiment 2 top, tighten the first bolt 7 and microscope crossbeam 8 is fixed on column 9;
3, Modling model confined pressure and Controlling model heat up:
Utilize manual pump 19 in the clamping device for high temperature high pressure microscopic experiment 2 being sealed with the transparent pore model of microscopic simulation, inject the ethylene glycol of the high grade of transparency, injection rate 3ml/min, until pressure reaches 8.5MPa, sets up model confined pressure; Utilize the electric heating cover of clamping device for high temperature high pressure microscopic experiment 2, clamping device for high temperature high pressure microscopic experiment 2 is heated to predetermined temperature 45 DEG C;
4, saturation water process:
Utilize displacement pump 18 that the formation water prepared is injected the transparent pore model of microscopic simulation, injection pressure 8MPa from the entrance of clamping device for high temperature high pressure microscopic experiment 2, the outlet back pressure of clamping device for high temperature high pressure microscopic experiment 2 controls at 7.7MPa; Meanwhile, open LED intense light source 3 and regulate its brightness, until the fluid flowing in the transparent pore model of microscopic simulation clearly can be observed in the object lens of microscope 1;
5, saturated oils process:
Utilize displacement pump 18 that the formation oil prepared is injected the transparent pore model of microscopic simulation from the entrance of clamping device for high temperature high pressure microscopic experiment 2, injection pressure 8MPa, the outlet back pressure of clamping device for high temperature high pressure microscopic experiment 2 controls at 7.7MPa, until export moisture when being 0%, stop injecting, set up the irreducible water saturation of the transparent pore model of microscopic simulation;
6, the nitrogen displacement of reservoir oil:
Utilize displacement pump 18 that nitrogen is injected the transparent pore model of microscopic simulation from the entrance of clamping device for high temperature high pressure microscopic experiment 2, injection pressure 8MPa, the outlet back pressure of clamping device for high temperature high pressure microscopic experiment 2 controls at 7.7MPa, injection rate 0.05ml/min, utilize rheology characteristic and the displacement of reservoir oil feature of nitrogen bubble in the transparent pore model of microscope 1 Continuous Observation microscopic simulation, and with computer 16 continuously recording.
In nitrogen oil displacement process, two-dimentional microscopic simulation test image is photographed by microscope 1 during enforcement, by analyzing the image or video that do not photograph in the same time, the microcosmic oil drive feature of nitrogen under different aperture size condition can be obtained, and the regularity of distribution of remaining oil.
In sum, the two-dimentional microcosmic visual Simulation experimental facilities of the embodiment of the present invention can complete the vertical Seepage Experiment of the microscopic simulation transparent pore model inner fluid imitated under stratum high-temperature condition of high voltage, and the plane Seepage Experiment of the transparent pore model inner fluid of arbitrary angle microscopic simulation; Can be used for the vertical seepage flow characteristics and the mechanism of oil displacement that characterize microscopic simulation transparent pore model inner fluid, and the plane seepage flow characteristics of the transparent pore model inner fluid of arbitrary angle microscopic simulation and mechanism of oil displacement.Meanwhile, the seepage flow characteristics difference that top is injected and bottom is injected can be contrasted, analyze the affecting laws of different oil reservoir inclination angle to fluid neuron network feature in pore media.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a two-dimentional microcosmic visual Simulation experimental facilities, is characterized in that, comprising:
Imaging system, displacement system and model tilt angle control; Wherein:
Imaging system comprises: microscope (1), LED intense light source (3), the first bolt (7), microscope crossbeam (8), column (9), the first groove (10), mobile platform (11) and computer (16); Displacement system comprises: clamping device for high temperature high pressure microscopic experiment (2), back-pressure valve (17), displacement pump (18) and manual pump (19); Model tilt angle control comprises: model semi-circular bracket (4), fan dial (5), model base (6), the second bolt (12), the 3rd bolt (13), the second groove (14), the 3rd groove (15), ball bearing (20);
Microscope (1) is fixed on microscope crossbeam (8), and microscope crossbeam (8) is fixed on column (9) by first bolt (7) that can slide in the first groove (10); Microscope (1) is connected by data wire with computer (16); Column (9) is vertically fixed on mobile platform (11); First bolt (7) by sliding up and down and fixing the inclination angle that microscope crossbeam (8) changes microscope (1) in the first groove (10); Microscope (1) is positioned at the first side of clamping device for high temperature high pressure microscopic experiment (2), for display and the flow process of shooting with video-corder the transparent pore model inner fluid of clamping device for high temperature high pressure microscopic experiment (2) interior microscopic simulation; LED intense light source (3) is positioned at the second side of clamping device for high temperature high pressure microscopic experiment (2), for providing light source to the transparent pore model of microscopic simulation; Computer (16) for store microscope (1) and photograph image, video and displacement pump (18), the pressure of manual pump (19) and back-pressure valve (17) and data on flows;
Back-pressure valve (17), displacement pump (18) and manual pump (19) are connected to clamping device for high temperature high pressure microscopic experiment (2) by pipeline; Clamping device for high temperature high pressure microscopic experiment (2) adopts electrical heating to keep constant temperature, the fixing transparent pore model of microscopic simulation of horizontal direction sealing in cavity; The transparent pore model of microscopic simulation is up and down with the sealing of high pressure tempering clear glass, and diagonally inlet porting and outlet, forms seal channel with the entrance and exit of clamping device for high temperature high pressure microscopic experiment (2); Displacement pump (18) for injecting displacing agent in the transparent pore model of microscopic simulation; Manual pump (19) is for providing confined pressure for clamping device for high temperature high pressure microscopic experiment (2); Back-pressure valve (17) is for controlling the back pressure of the transparent pore model of microscopic simulation;
Clamping device for high temperature high pressure microscopic experiment (2) and LED intense light source (3) are fixed in model semi-circular bracket (4); Semicircular second groove (14) is established in first side of model semi-circular bracket (4), semicircular 3rd groove (15) is established in first side of fan dial (5), and the first side of model semi-circular bracket (4) and the first side of fan dial (5) are homonymy; In second groove (14), the left and right sides is arranged with two second bolts (12) that can slide along the second groove (14), and in the 3rd groove (15), the left and right sides is arranged with two the 3rd bolts (13) that can slide along the 3rd groove (15); Model semi-circular bracket (4) is fixed in model base (6) by the second bolt (12), and fan dial (5) is fixed in model base (6) by the 3rd bolt 13; Model semi-circular bracket (4) is coaxial semicircle axis body with fan dial (5), passes through ball bearing (20) in the gap contacted and be connected between model semi-circular bracket (4) with fan dial (5).
2. two-dimentional microcosmic visual Simulation experimental facilities as claimed in claim 1, is characterized in that, during model semi-circular bracket (4) half-twist, the transparent pore model of microscopic simulation in clamping device for high temperature high pressure microscopic experiment (2) is for standing vertically.
3. two-dimentional microcosmic visual Simulation experimental facilities as claimed in claim 1 or 2, it is characterized in that, the second side of model semi-circular bracket (4) is provided with zero graduation line, with record and calibrating patterns semi-circular bracket (4) horizontal positioned time position.
4. two-dimentional microcosmic visual Simulation experimental facilities as claimed in claim 3, it is characterized in that, second two ends, left and right, side of fan dial (5) are uniformly distributed the graduation mark between 0 ° ~ 90 °, be used to indicate in model semi-circular bracket (4) rotary course, the scale of the fan dial (5) of the zero graduation line sensing of model semi-circular bracket (4) is the inclination angle that clamping device for high temperature high pressure microscopic experiment (2) rotates.
5. a using method for two-dimentional microcosmic visual Simulation experimental facilities described in claim 4, is characterized in that, comprising:
Unclamp the second bolt (12), be rotated counterclockwise model semi-circular bracket (4) until the zero graduation line in model semi-circular bracket (4) points to the actual inclination angle of oil reservoir behind the graduation mark position of fan dial (5), tighten the second bolt (12) and model semi-circular bracket (4) is fixed in model base (6);
Unclamp the first bolt (7), along the first groove (10) slide downward microscope crossbeam (8), until when the object lens of microscope (1) are parallel with the high-pressure glass form at clamping device for high temperature high pressure microscopic experiment (2) top, tighten the first bolt (7) and microscope crossbeam (8) is fixed on column (9);
Set up the confined pressure of the transparent pore model of microscopic simulation and hyperthermic treatment is carried out to the transparent pore model of microscopic simulation;
Utilize displacement pump (18) that the formation water prepared is injected the transparent pore model of microscopic simulation from the entrance of clamping device for high temperature high pressure microscopic experiment (2); Meanwhile, open LED intense light source (3) and regulate its brightness, until observe the fluid flowing in the transparent pore model of microscopic simulation in the object lens of microscope (1);
Utilize displacement pump (18) that the formation oil prepared is injected the transparent pore model of microscopic simulation from the entrance of clamping device for high temperature high pressure microscopic experiment (2), until export moisture when being 0%, stop injecting, set up the irreducible water saturation of the transparent pore model of microscopic simulation;
Utilize displacement pump (18) that nitrogen is injected the transparent pore model of microscopic simulation from the entrance of clamping device for high temperature high pressure microscopic experiment (2), utilize rheology characteristic and the displacement of reservoir oil feature of nitrogen bubble in the transparent pore model of microscope (1) Continuous Observation microscopic simulation, and with computer (16) continuously recording.
6. method as claimed in claim 5, is characterized in that, set up the confined pressure of the transparent pore model of microscopic simulation, comprising:
Utilize manual pump (19) to the middle ethylene glycol injecting the high grade of transparency of the clamping device for high temperature high pressure microscopic experiment (2) being sealed with the transparent pore model of microscopic simulation, injection rate 3ml/min, until pressure reaches 8.5MPa, sets up model confined pressure.
7. method as claimed in claim 5, is characterized in that, carry out hyperthermic treatment, comprising the transparent pore model of microscopic simulation:
Utilize the electric heating cover of clamping device for high temperature high pressure microscopic experiment (2), clamping device for high temperature high pressure microscopic experiment (2) is heated to predetermined temperature 45 DEG C.
8. method as claimed in claim 5, it is characterized in that, when utilizing displacement pump (18) that the formation water for preparing and formation oil are injected the transparent pore model of microscopic simulation from the entrance of clamping device for high temperature high pressure microscopic experiment (2), injection pressure 8MPa, the outlet back pressure of clamping device for high temperature high pressure microscopic experiment (2) controls at 7.7MPa.
9. method as claimed in claim 5, it is characterized in that, when utilizing displacement pump (18) by transparent from the entrance injection microscopic simulation of clamping device for high temperature high pressure microscopic experiment (2) for nitrogen pore model, injection pressure 8MPa, the outlet back pressure of clamping device for high temperature high pressure microscopic experiment (2) controls at 7.7MPa, injection rate 0.05ml/min.
10. method as claimed in claim 5, it is characterized in that, during model semi-circular bracket (4) half-twist, injected by the top entry from the transparent pore model of microscopic simulation, outlet at bottom extraction, the vertical seepage flow characteristics of simulation microscopic simulation transparent pore model inner fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310080236.6A CN103161452B (en) | 2013-03-13 | 2013-03-13 | Two-dimensional microscopic visual simulation experiment device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310080236.6A CN103161452B (en) | 2013-03-13 | 2013-03-13 | Two-dimensional microscopic visual simulation experiment device and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103161452A CN103161452A (en) | 2013-06-19 |
| CN103161452B true CN103161452B (en) | 2015-11-18 |
Family
ID=48584947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310080236.6A Active CN103161452B (en) | 2013-03-13 | 2013-03-13 | Two-dimensional microscopic visual simulation experiment device and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103161452B (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103397876A (en) * | 2013-08-07 | 2013-11-20 | 西南石油大学 | Gas well liquid-carrying mechanism visualization simulation experiment device of complex structural well |
| CN103452548B (en) * | 2013-08-09 | 2016-01-06 | 中国石油天然气股份有限公司 | Experimental device and method for evaluating rock characteristics of steam reforming reservoir |
| CN104100257B (en) * | 2014-06-04 | 2016-07-27 | 西南石油大学 | High Temperature High Pressure microcosmic visualization stratum experimental apparatus forb simulating seepage and method |
| CN104990772A (en) * | 2014-08-12 | 2015-10-21 | 中国石油大学(北京) | Base apparatus for prefabricating crack having any inclination angle in artificial specimen |
| CN104533357B (en) * | 2014-11-04 | 2017-12-05 | 中国石油天然气股份有限公司 | Observation device and observation method of microscopic oil displacement visualization model |
| CN105301222B (en) * | 2015-10-20 | 2017-09-15 | 信阳师范学院 | A kind of rotatable similar material simulation experiment platform and its application method |
| CN105952438B (en) * | 2016-06-17 | 2019-04-23 | 重庆科技学院 | A kind of heavy crude heat extraction visualization two-dimensional physical imitative experimental appliance |
| CN106370562A (en) * | 2016-08-16 | 2017-02-01 | 江苏理工学院 | Microfluid simulation experiment device suitable for omnibearing observation and working method thereof |
| CN106290067B (en) * | 2016-08-18 | 2019-07-19 | 江苏理工学院 | Observation simulation system for observing fluid distribution and flow and working method thereof |
| CN106855499A (en) * | 2016-12-19 | 2017-06-16 | 中国石油天然气股份有限公司 | Separated optical microscopic observation method and device under oil reservoir condition |
| CN108187769B (en) * | 2018-01-15 | 2020-08-28 | 西南石油大学 | Integrated type microscopic oil displacement chip capable of rotating a certain angle and being matched with mold |
| CN108593648B (en) * | 2018-05-28 | 2024-05-24 | 宁波大学 | 3D microstructure observation device and observation method thereof |
| CN109209362B (en) * | 2018-09-07 | 2022-02-11 | 中国石油化工股份有限公司 | Experimental system for simulating oil reservoir conditions, microscopic model and fixing device of microscopic model |
| CN110220835B (en) * | 2019-07-17 | 2024-03-08 | 中国科学院武汉岩土力学研究所 | Porous medium seepage visualization device under in-situ stress and parameter calculation method |
| CN110954479B (en) * | 2019-12-31 | 2024-09-20 | 中国海洋石油集团有限公司 | High-temperature high-pressure microcosmic phase state testing device |
| CN112304840A (en) * | 2020-09-24 | 2021-02-02 | 青岛石大华通科技有限公司 | Microscopic visual clamp holder under high-temperature and high-pressure conditions and using method |
| CN112730196B (en) * | 2020-12-25 | 2022-03-11 | 西南石油大学 | High-temperature high-pressure microscopic visual flowing device and experimental method |
| CN114060004B (en) * | 2021-11-11 | 2022-06-03 | 西南石油大学 | Glass clamping model based on microscopic displacement experiment and experiment method |
| CN114518315A (en) * | 2022-03-28 | 2022-05-20 | 西南石油大学 | Microcosmic visual seepage simulation experiment device |
| CN118010587A (en) * | 2024-01-04 | 2024-05-10 | 西南石油大学 | High-temperature high-pressure microscopic visual microscopic displacement model clamping device and use method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1628207A (en) * | 2002-02-01 | 2005-06-15 | 哈利伯顿能源服务公司 | Well system |
| CN201273903Y (en) * | 2008-10-15 | 2009-07-15 | 中国石油天然气股份有限公司 | High-temperature high-pressure microscopic experiment clamp holder |
| CN202181891U (en) * | 2011-08-12 | 2012-04-04 | 东北石油大学 | Oil displacement experiment research device for visualized simulation |
| CN202441353U (en) * | 2012-02-27 | 2012-09-19 | 东北石油大学 | Low pressure visualization two-dimensional sand-filling model used for heavy oil thermal recovery |
| CN203239328U (en) * | 2013-03-13 | 2013-10-16 | 中国石油天然气股份有限公司 | Two-dimensional microscopic visual simulation experiment device |
-
2013
- 2013-03-13 CN CN201310080236.6A patent/CN103161452B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1628207A (en) * | 2002-02-01 | 2005-06-15 | 哈利伯顿能源服务公司 | Well system |
| CN201273903Y (en) * | 2008-10-15 | 2009-07-15 | 中国石油天然气股份有限公司 | High-temperature high-pressure microscopic experiment clamp holder |
| CN202181891U (en) * | 2011-08-12 | 2012-04-04 | 东北石油大学 | Oil displacement experiment research device for visualized simulation |
| CN202441353U (en) * | 2012-02-27 | 2012-09-19 | 东北石油大学 | Low pressure visualization two-dimensional sand-filling model used for heavy oil thermal recovery |
| CN203239328U (en) * | 2013-03-13 | 2013-10-16 | 中国石油天然气股份有限公司 | Two-dimensional microscopic visual simulation experiment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103161452A (en) | 2013-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103161452B (en) | Two-dimensional microscopic visual simulation experiment device and using method thereof | |
| CN111721652B (en) | Hydraulic erosion mesoscopic mechanism observation device and test method based on PIV and PTV technologies | |
| CN106437637B (en) | High temperature and pressure carbon dioxide flooding super-viscous oil visualizes microcosmos experiment method | |
| CN108195763A (en) | A kind of microscopic observation system and method with the controllable sample cell of temperature and pressure | |
| CN209992351U (en) | Test device for rock pore size multiphase flow motion characteristic research | |
| CN104849412B (en) | Simulation microcosmic oil drive interface in-situ observation assay device | |
| CN105178939B (en) | A kind of prediction technique for channel pressure break flow conductivity | |
| CN203239328U (en) | Two-dimensional microscopic visual simulation experiment device | |
| CN108333093A (en) | Three-dimensional fracture network rock mass two-phase medium seepage flow test device under a kind of stress | |
| CN105628560B (en) | One kind measurement CO2The experimental provision of/salt solution/rock system contact angle | |
| CN113640473A (en) | Plugging capacity test experimental device and method for drilling and fracturing | |
| CN109030312B (en) | Device and method for testing flow characteristics of pore liquid in porous medium | |
| CN109932298B (en) | Micro-scale flow visualization testing device and method under coupling effect | |
| CN105715239A (en) | Visual nanometer magnetofluid panel oil displacement experiment device and experiment method | |
| CN108181209A (en) | A kind of heavy crude reservoir fluid starting pressure gradient measuring device | |
| CN108571314A (en) | A kind of visualization supporting crack flow conductivity test method | |
| CN102808614B (en) | Oil-gas migration physical simulation device and oil-gas migration experimental method | |
| CN108226398A (en) | A kind of simulation pipeline and hydrate generation experimental provision and method in multiple branched pipes | |
| CN107631975A (en) | A kind of micropore grid sheet-type permeability for liquids detection method and device | |
| CN117723116B (en) | Device and method for researching microcosmic residual oil in nanoscale pore canal | |
| CN108398371A (en) | A kind of reproducting method of the analysis and Rheologic of haemocyte shear stress rheology observation device and haemocyte shear stress Rheological Regularity | |
| CN208013068U (en) | A kind of microscopic observation system with the controllable sample cell of temperature and pressure | |
| Abba et al. | Enhanced gas recovery by CO2 injection and sequestration: effects of temperature, vertical and horizontal orientations on dispersion coefficient | |
| CN106370559B (en) | Using the experimental provision and experimental method of microflow control technique measurement fluid viscosity | |
| CN206311603U (en) | It is a kind of to evaluate the experimental provision that fracturing fluid is injured to petroleum reservoir |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |