CN100487221C - High-temperature high-pressure glass microscopic model holder - Google Patents
High-temperature high-pressure glass microscopic model holder Download PDFInfo
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- CN100487221C CN100487221C CNB200610165013XA CN200610165013A CN100487221C CN 100487221 C CN100487221 C CN 100487221C CN B200610165013X A CNB200610165013X A CN B200610165013XA CN 200610165013 A CN200610165013 A CN 200610165013A CN 100487221 C CN100487221 C CN 100487221C
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- 239000011521 glass Substances 0.000 title claims abstract description 37
- 238000004088 simulation Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000011148 porous material Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000012856 packing Methods 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 7
- 238000011161 development Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000011156 evaluation Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 description 14
- 239000007789 gas Substances 0.000 description 7
- 238000011160 research Methods 0.000 description 7
- 238000011084 recovery Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000013043 chemical agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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Abstract
A high-temperature high-pressure glass micro model holder used for water flooding effect and evaluation in the development process of oil and gas fields. Is characterized in that: the centers of the base of the model bed body and the upper cover of the model bed body are provided with through holes with steps, and glass windows are arranged in the through holes. An O-shaped sealing ring is arranged between the glass window and the inner wall of the central through hole of the model bed body base and the model bed body upper cover. A high-pressure sealed chamber is formed between the base of the model bed body and the upper cover of the model bed body. A high-pressure pipe is fixed on the through hole at the top of the upper cover of the model bed body. The high-pressure closed chamber is internally provided with a model bracket. The microscopic simulation transparent pore model is tightly pressed on the model bracket. The effect is as follows: the invention can complete the experimental study of microscopic simulation transparent pore model under the condition of simulating stratum high temperature and high pressure, and can clearly observe the model pores and experimental fluid in the clamp holder under the microscope. The reference value of the obtained experimental data is superior to the current normal temperature and normal pressure experimental result.
Description
Technical field
The present invention relates to oil field development evaluation study technical field, be particularly related in the oilfield exploitation procedure, a kind of instrument of water drive oil effect and evaluation is the experimental study instrument of heterogeneous fluid mutual displacement in visual hole, holder for high-temperature high-pressure glass microscopic model.Be applied to the mechanism experiment research of indoor fluid seepage flow migration.
Background technology
In the research oilfield exploitation procedure, particularly oil field development secondary oil recovery and tertiary oil recovery, and research process such as oil layer protection in, need the water drive oil effect be estimated, and used all kinds of chemical agent effects are estimated.The main foundation of estimating is the experimental study of heterogeneous fluid mutual displacement in visual formation pore.Experimental model mainly adopts the transparent pore model of microscopic simulation.
At present, the transparent pore model of microscopic simulation can only not have the device that can experimentize in the research that experimentizes of normal temperature low pressure under high-temperature and high-pressure conditions.Can not finish the transparent hole model investigation of microscopic simulation under the imitation formation condition, the reference value as a result that draws is not high.The degree of simulation stratum condition is the difficult problem of the maximum that exists in this field, also is problem demanding prompt solution for a long time.Can reach or near the original condition in stratum as temperature, pressure.
Summary of the invention
The purpose of this invention is to provide a kind of holder for high-temperature high-pressure glass microscopic model, can finish the transparent hole model investigation of microscopic simulation under the imitation stratum high-temperature condition of high voltage, solution heterogeneous fluid or chemical agent, the experiment of displacement mutually in visual hole, the experimental data reference value that draws is better than current ambient temperature normal pressure experimental result.Improve experimental simulation degree and range of application, particularly can be in oil field development secondary oil recovery and tertiary oil recovery, and aspect such as oil layer protection, the driving mechanism research under the simulation different temperatures different pressures.
The technical solution used in the present invention is: holder for high-temperature high-pressure glass microscopic model of the present invention mainly is made up of model bed body base, model bed body loam cake, model support, glass vision panel and high-voltage tube.Between model bed body base and model bed body loam cake, be threaded.Between model bed body base and model bed body loam cake, the O RunddichtringO is arranged.There is through hole with the level at model bed body base and model bed body loam cake center, and glass vision panel is all arranged in the through hole.On the central through hole step of model bed body base and model bed body loam cake packing ring is arranged, glass vision panel is against on the packing ring.Between the central through hole inwall of glass vision panel and model bed body base and model bed body loam cake the O RunddichtringO is arranged.Form high-pressure sealed chamber in the middle of model bed body base and the model bed body loam cake.See through glass vision panel, can observe the experimental status of the high-pressure sealed indoor transparent pore model of microscopic simulation.Through hole is arranged at the top at model bed body loam cake, is fixed with high-voltage tube on the tops through hole on the model bed body.The high-pressure sealed indoor model support that has.Be fixed with 2 high-voltage tube fixation assemblies on the model support.The function of high-voltage tube fixation assembly is the transparent pore model of microscopic simulation that compresses on the model support, and fixing high-voltage tube end.
The structure of model support is: model support is cylindric, and the end is arranged up and down, on the center of going to the bottom porose.Two screws that symmetry is arranged in the centre bore both sides of upper base have two symmetrical circular holes in the centre bore both sides of going to the bottom, and two screws of upper base are relative with two circular holes of going to the bottom.
The structure of high-voltage tube fixation assembly is: be made up of lock bolt seat, sealing pipe collar, lock bolt, O RunddichtringO, lock bolt seat, sealing pipe collar and lock bolt have central through hole.High-voltage tube is arranged in the central through hole.There is the O RunddichtringO end of high-voltage tube.Lock bolt seat outer wall has screw thread, and endoporus has one section scalene cone, and the sealing pipe collar is arranged in the scalene cone, and lock bolt is spun in the lock bolt seat inner bolt hole, compresses the sealing pipe collar.
On the outer wall of model bed body loam cake, be fixed with heating jacket.
Heating jacket adopts electrical heating wire, is wrapped with insulation layer in the electrical heating wire external packets.The fixed form of heating jacket and model bed body loam cake is a bolt.
The useful technique effect that the present invention adopts is: holder for high-temperature high-pressure glass microscopic model of the present invention can be finished the transparent hole model investigation of microscopic simulation under the imitation stratum high-temperature condition of high voltage, at microscopically, can observe model hole and Experimental Flowing Object in the clamper clearly.And solving heterogeneous fluid or chemical agent, the experiment of displacement mutually in visual hole, the experimental data reference value that draws is better than current ambient temperature normal pressure experimental result.Improve experimental simulation degree and range of application, particularly can be in oil field development secondary oil recovery and tertiary oil recovery, and aspect such as oil layer protection, the driving mechanism research under the simulation different temperatures different pressures.Holder for high-temperature high-pressure glass microscopic model has been broken the transparent pore model of traditional microscopic simulation can only be at the normal temperature low pressure research mode that experimentizes, the height of reference value as a result that draws.In addition, the present invention also has heatproof, withstand voltage, transparent, sealing, advantage such as safe, easy to connect.
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural profile schematic diagram of holder for high-temperature high-pressure glass microscopic model of the present invention.It is the structural representation of embodiment 1.
Fig. 2 is a high-voltage tube fixation assembly structural profile schematic diagram of the present invention.
Fig. 3 is a model support structural profile schematic diagram of the present invention.
Fig. 4 is the vertical view of Fig. 3.
Among the figure, 1. high-voltage tube, 2. glass vision panel, 3. lock bolt, 4. sealing pipe collar, 5. heating jacket assembly, 6. bolt, 7. model bed body base, 8.O RunddichtringO, 9. packing ring, 10. the transparent pore model of microscopic simulation, 11.O RunddichtringO, 12. high-voltage tube fixation assemblies, 12-1. the lock bolt seat, 12-2. seals pipe collar, 12-3. lock bolt, 12-4.O RunddichtringO, 13. model supports, 14. model bed body loam cakes.
The specific embodiment
Embodiment 1: consult accompanying drawing 1.Holder for high-temperature high-pressure glass microscopic model mainly by model bed body base 7, make by stainless steel material, 120 millimeters of external diameters, and high 45 millimeters, there is external screw thread the upper end.Model bed body loam cake 14, stainless steel material is made, 90 millimeters of external diameters, 55 millimeters of height, there is internal thread the lower end.Model bed body base 7 is threaded with model bed body loam cake 14.Between model bed body base 7 and model bed body loam cake 14, O RunddichtringO 8 is arranged.There is through hole with the level at model bed body base 7 and model bed body loam cake 14 centers, and a glass vision panel 2 is respectively arranged in the through hole.Glass vision panel 2 is that clear glass is made, 15 millimeters of thickness, 24 millimeters of diameters.On the central through hole step of model bed body base 7 and model bed body loam cake 14 packing ring 9 is arranged, packing ring 9 adopts the polyvinyl fluoride material.Glass vision panel 2 is against on the packing ring 9.Have 2 between the central through hole inwall of glass vision panel 2 and model bed body base 7 and model bed body loam cake 14 respectively to O RunddichtringO 11.Form high-pressure sealed chamber in the middle of model bed body base 7 and the model bed body loam cake 14.See through glass vision panel 2 from top, can be with the experimental status of microscopic examination to the high-pressure sealed indoor transparent pore model 10 of microscopic simulation.See through glass vision panel 2 from the bottom and can inject houselights.2 through holes are arranged at the top at model bed body loam cake 14, are fixed with high-voltage tube 1 on the model bed body loam cake 14 top through holes.The distance of 2 through holes is 40 millimeters.The fixed form of high-voltage tube 1 adopts lock bolt 3 and sealing pipe collar 4.Lock bolt 3 is identical with the structure of sealing pipe collar 12-2 and lock bolt 12-3 with the structure of sealing pipe collar 4.The high-pressure sealed indoor model support 13 that has.Be fixed with 2 high-voltage tube fixation assemblies 12 on the model support 13.The function of high-voltage tube fixation assembly 12 is the transparent pore models 10 of microscopic simulation that compress on the model support 13, and fixing high-voltage tube end.Consult accompanying drawing 3 and accompanying drawing 4.Model support 13 is cylindric, and the end is arranged up and down, on the center of going to the bottom porose.Two screws that symmetry is arranged in the centre bore both sides of upper base have two symmetrical circular holes in the centre bore both sides of going to the bottom, two screws of upper base and two circular hole relative distances of going to the bottom are 40 millimeters.Consult accompanying drawing 2.The structure of high-voltage tube fixation assembly 12 is: be made up of lock bolt seat 12-1, sealing pipe collar 12-2, lock bolt 12-3, O RunddichtringO 12-4, lock bolt seat 12-1, sealing pipe collar 12-2 and lock bolt 12-3 have central through hole.High-voltage tube 1 is arranged in the central through hole.There is O RunddichtringO 12-4 the end of high-voltage tube 1, and O RunddichtringO 12-4 model is 1.5 * 2.Lock bolt seat 12-1 outer wall has screw thread, and endoporus has one section scalene cone, and sealing pipe collar 12-2 is arranged in the scalene cone, and lock bolt 12-3 is spun in the lock bolt seat 12-1 inner bolt hole, compresses sealing pipe collar 12-2.Sealing pipe collar 12-2 adopts copper product to make.On the outer wall of model bed body loam cake 14, be fixed with heating jacket 5.Heating jacket 5 adopts the heating of thermocouple muff.Voltage 24-36V safe voltage, power are 500 kilowatts, and temperature can reach 120 ℃.Heating jacket 5 is that bolt 6 is fixing with the fixed form of model bed body loam cake 14.
Use: the transparent pore model 10 of microscopic simulation that will need to test is inserted on the model support 13.High-voltage tube fixation assembly 12 is fixed the transparent pore model 10 of microscopic simulation, and high-voltage tube fixation assembly 12 connects in model bed body loam cake 14.Screw model bed body loam cake 14 and model bed body base 7 at last.The fixing heating jacket 5 in the periphery of model bed body loam cake 14.By high-voltage tube 1 past high-pressure sealed indoor injection experiments liquid.The pressurization of heating reaches the temperature, pressure that experiment needs.Holder for high-temperature high-pressure glass microscopic model is inserted under the camera lens of stereomicroscope.Inject houselights by glass vision panel 2.See through another glass vision panel 2 and can see the experiment overall process of heterogeneous fluid mutual displacement in formation pore.
Experiment is the condensation oil and gas in Bai Miao gas field with oil, gas.At first, inject natural gas then with the saturated Bai Miao of model gas field condensate (, not adding any dyestuff in the experiment) for guaranteeing that oily component is constant.Press chamber pressure to rise to 5MPa model loop during experiment, the inlet and outlet pressure of model also rises to 5MPa simultaneously, the situation of change that observe oil-gas two-phase flow body in the model hole this moment only sees to be compressed before bubble bigger in the hole boosts to diminish that some little bubbles then dissolve disappearance.
At 100 ℃, pressure is under the condition of 5MPa, and the model inlet outlet pressure differential is 0.01MPa, carries out the experiment of water drive gas, gas drive water, and is identical under experiment mechanism and the normal temperature and pressure conditions.
Use high-temperature high-pressure clamp, carried out performance test, the results are shown in following table at different temperatures, pressure spot:
| Temperature (℃) | Pressure (MPa) | Time (hour) | The result |
| 80 | 5 | 24 | No seepage and no leakage |
| 100 | 5 | 24 | No seepage and no leakage |
| 120 | 6 | 24 | No seepage and no leakage |
Improve test through repeatedly development, the addition of microcosmos experiment system micromodel high-temperature high-pressure clamp, high pressure constant-flux pump, electrical heat tracing cover, electric heating temperature controller, high pressure intermediate receptacle, hyperbaric chamber and model inlet and outlet pressure display system.
Scope of experiment has not only been widened in this invention, and has improved simulation degree, the temperature and pressure scope of experiment.
Claims (5)
1, a kind of holder for high-temperature high-pressure glass microscopic model, mainly by model bed body base (7), model bed body loam cake (14), model support (13), glass vision panel (2) and high-voltage tube (1) are formed, it is characterized in that: between model bed body base (7) and model bed body loam cake (14), be threaded, between model bed body base (7) and model bed body loam cake (14), O RunddichtringO (8) is arranged, there is through hole with the level at model bed body base (7) and model bed body loam cake (14) center, glass vision panel (2) is all arranged in the through hole, on the central through hole step of model bed body base (7) and model bed body loam cake (14), packing ring (9) is arranged, glass vision panel (2) is against on the packing ring (9), between the central through hole inwall of glass vision panel (2) and model bed body base (7) and model bed body loam cake (14) O RunddichtringO (11) is arranged, form high-pressure sealed chamber in the middle of model bed body base (7) and the model bed body loam cake (14), through hole is arranged at the top at model bed body loam cake (14), be fixed with high-voltage tube (1) on the through hole of model bed body loam cake (14) top, the high-pressure sealed indoor model support (13) that has, be fixed with 2 high-voltage tube fixation assemblies (12) on the model support (13), the function of high-voltage tube fixation assembly (12) is the transparent pore model of microscopic simulation (10) that compresses on the model support (13), and fixing high-voltage tube end.
2, holder for high-temperature high-pressure glass microscopic model according to claim 1, it is characterized in that: the structure of described model support (13) is: model support (13) is for cylindric, the end, arranged up and down, on the center of going to the bottom porose, two screws that symmetry is arranged in the centre bore both sides of upper base, two circular holes of symmetry are arranged in the centre bore both sides of going to the bottom, and two screws of upper base are relative with two circular holes of going to the bottom.
3, holder for high-temperature high-pressure glass microscopic model according to claim 1 and 2, it is characterized in that: the structure of described high-voltage tube fixation assembly (12) is: by lock bolt seat (12-1), sealing pipe collar (12-2), lock bolt (12-3), O RunddichtringO (12-4) is formed, lock bolt seat (12-1), sealing pipe collar (12-2) and lock bolt (12-3) have central through hole, high-voltage tube (1) is arranged in the central through hole, there is O RunddichtringO (12-4) end of high-voltage tube (1), lock bolt seat (12-1) outer wall has screw thread, endoporus has one section scalene cone, sealing pipe collar (12-2) is arranged in the scalene cone, lock bolt (12-3) is spun in lock bolt seat (12-1) inner bolt hole, compresses sealing pipe collar (12-2).
4, holder for high-temperature high-pressure glass microscopic model according to claim 1 and 2 is characterized in that: be fixed with heating jacket (5) on the outer wall of model bed body loam cake (14).
5, holder for high-temperature high-pressure glass microscopic model according to claim 4, it is characterized in that: heating jacket (5) adopts electrical heating wire, be wrapped with insulation layer in the electrical heating wire external packets, heating jacket (5) is that bolt (6) is fixing with the fixed form of model bed body loam cake (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610165013XA CN100487221C (en) | 2006-12-12 | 2006-12-12 | High-temperature high-pressure glass microscopic model holder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610165013XA CN100487221C (en) | 2006-12-12 | 2006-12-12 | High-temperature high-pressure glass microscopic model holder |
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| Publication Number | Publication Date |
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| CN1963146A CN1963146A (en) | 2007-05-16 |
| CN100487221C true CN100487221C (en) | 2009-05-13 |
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| CNB200610165013XA Active CN100487221C (en) | 2006-12-12 | 2006-12-12 | High-temperature high-pressure glass microscopic model holder |
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