CN203758880U - Experiment device for researching permeation mechanism of low-permeability oil layer - Google Patents
Experiment device for researching permeation mechanism of low-permeability oil layer Download PDFInfo
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- CN203758880U CN203758880U CN201420071544.2U CN201420071544U CN203758880U CN 203758880 U CN203758880 U CN 203758880U CN 201420071544 U CN201420071544 U CN 201420071544U CN 203758880 U CN203758880 U CN 203758880U
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- permeability pay
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Abstract
The utility model discloses an experiment device for researching a permeation mechanism of a low-permeability oil layer. The experiment device comprises a main body sample arrangement system, a fixed/variable oil pressure system, an oil pressure measurement system, a low-permeability oil layer settlement measurement system, a low-permeability oil layer oil release amount measurement system and a low-permeability oil layer thickness control system, wherein the fixed/variable oil pressure system, the oil pressure measurement system, the low-permeability oil layer settlement measurement system, the low-permeability oil layer oil release amount measurement system and the low-permeability oil layer thickness control system are respectively connected with the main body sample arrangement system. The experiment device disclosed by the utility model is suitable for researching the settlement amount of the low-permeability oil layer, which is caused by oil release from the bottom of the low-permeability oil layer under a known oil pressure condition. The experiment device has the advantages of large scale, simple structure, convenience in operation and controllable experiment condition, and the problems that the permeation mechanism of the low-permeability oil layer cannot be effectively simulated as no large-scale indoor experiment device for researching the permeation mechanism of the low-permeability oil layer exists are mainly solved.
Description
Technical field
The utility model belongs to the technical field of the experimental provision of seepage flow mechanism research, in particular to a kind of
The experimental provision of low permeability pay seepage flow mechanism research.
Background technology
Low permeability pay refers to the oil-bearing strata that penetrating power is extremely weak.Conventionally, low permeability pay has been considered to hide very large a part of resource in petroleum production engineering.But, the low-permeability oil deposit reserves of having employed only only have 19%, due to the complicacy of low permeability pay, current worldwide low permeability pay exploitation all only rests on and improves in oil production technology, seldom the inherent deformation mechanism of oil storage sand/soil layer is made to in-house laboratory investigation.The viscous layer of oil-containing in unconsolidated sediment, in firm ground, crack is rare and narrow and small petroliferous strata (as arenaceous shale, pelitic siltstone etc.) can be included into the row of low permeability pay.In general low permeability pay is also different according to burying the depth degree that are exploited different from mode of occurence.Low permeability pay buries in different bottoms, physical parameter differs greatly, how to study low permeability pay in the distortion that occurs to occur when seepage flow is released oil and the relation of physical parameter, thereby verify that with actual production lab simulation instructs actual production, this problem is not resolved.At present, for low permeability pay development problem, carried out some mechanism aspect researchs at home and abroad, part experiment only be take seepage theory as basis, research seep effect is released oily impact to oil reservoir, has ignored seepage flow effect to low permeability pay self-deformation and has released the impact that oil causes.Part experiment only be take local rock mass as example, does not create the experiment condition of original state, extensive, large scale.For more effective and reasonable exploitation petroleum resources, develop a kind of large scale experimental provision of studying low permeability pay seepage flow mechanism and be of great immediate significance.
Summary of the invention
Fundamental purpose of the present utility model is to set up low permeability pay seepage flow indoor experimental apparatus, measure low permeability pay under different oil pressure, relation under different bed thickness between seepage flow and seepage flow distortion, releases deep-fried twisted dough sticks part from seepage flow mechanism and deformation mechanism two aspects analysis low permeability pays.
For achieving the above object, the technical scheme that the utility model provides is to provide the experimental provision of a kind of low permeability pay seepage flow mechanism research, comprise main body dress sample system, fixed/to become oil hydraulic system, oil pressure measuring system, low permeability pay settlement measurement system, low permeability pay to release oil mass measurement system and low permeability pay thickness control system, described fixed/become oil hydraulic system, oil pressure measuring system, low permeability pay settlement measurement system, low permeability pay to release oil mass measurement system and be connected with described main body dress sample system respectively with low permeability pay thickness control system.
Preferably, described main body dress sample system comprises dress sampling device, dial gauge, piezometric tube, settlement plate, low permeability pay sand/soil sample, oil-out and loaded filter, the cube structure of the sealing that described dress sampling device is comprised of six high strength organic glass panels, wherein, energy slitless connection between the high strength organic glass panel at described cube structure top and four of the sides of cube structure high strength organic glass panel, on main body dress sample system top panel, be furnished with pressure tap and some 1/4 valves, the bottom of described cube structure is provided with ball and brake gear, described sedimentation bar and piezometric tube pass the high strength organic glass erecting of panel at cube structure top on described dress sampling device, and described dial gauge is arranged on the top of described sedimentation bar, described loaded filter is laid on the bottom of described dress sampling device, above loaded filter described in described low permeability pay sand/soil sample is laid on, above low permeability pay sand/soil sample described in described settlement plate is arranged on, described oil-out is arranged on a side of described loaded filter.
Preferably, the described oil hydraulic system of determining/become comprises fuel tank, peristaltic pump, fixed/change fuel tank and support, described fuel tank is connected respectively at described peripump tubing with fixed/fuel tank, the described fuel tank of determining/become is arranged on described cantilever tip, the described top of determining/becoming fuel tank is provided with overflow vent, and described overflow vent is connected with described fuel tank pipeline.
Preferably, described oil pressure measuring system comprises oil pressure measurement mechanism, organic glass piezometric tube and organic glass flexible pipe, described organic glass piezometric tube gos deep into the different depth of main body dress sample system, and described oil pressure measurement mechanism is connected with described organic glass piezometric tube by organic glass flexible pipe.
Preferably, described low permeability pay settlement measurement system is comprised of dial gauge, sedimentation bar, organic glass settlement plate with holes, timer and video camera, described organic glass settlement plate with holes is connected by screw with sedimentation bar, described dial gauge contacts with sedimentation bar, described timer is hand-held by experimenter, described video camera be arranged on dial gauge over against position.
Preferably, described low permeability pay is released oil mass measurement system and is comprised of electronic balance, oil holder and computing machine, and described oil holder is placed on the upper end of electronic balance, and described electronic balance is connected with computing machine.
Preferably, described low permeability pay thickness control system comprises and main body dress sample system slitless connection mobile organic glass panel.
Preferably, described low permeability pay sand/soil sample specification is 100cm * 70cm * 70cm, on described high strength poly (methyl methacrylate) plate, is equipped with interior calibration.
Preferably, described determine/change fuel tank specification is 30cm * 30cm * 30cm.
Preferably, described sedimentation bar is through high strength organic glass panel, and between described high strength organic glass panel and sedimentation bar, by rubber sheet gasket close contact, described sedimentation masthead end is provided with groove and is connected with dial gauge contact.
Effect of the present utility model is:
The saturated loaded filter of 5-10cm immersion oil is arranged in main body dress sample system bottom, and sand for experiment/clay is saturated with oil, packs in high strength organic glass main body dress sample system, according to the required number of plies of experiment, arranges.Meanwhile, by the stand oil pressure device in water system, set initial oil pressure, if change oil pressure, apply change oil hydraulic system, by adjustable support regulating oil tank height, realize and become oil pressure, this stand oil process of pressing realizes with a constant speed fuel feeding by peristaltic pump, this constant rate of speed take fuel tank overflow vent, oil-out flow algebraic sum is constant is standard.Oil pressure is set in to design height, close main body dress sample system bottom oil-out valve, until soil sample saturated install standing stable after, adopt vacuumizing method by air emptying in soil sample, treat dial gauge value stabilization in oil pressure measuring system, after timer makes zero, can prepare to start low permeability pay seepage flow mechanism in-house laboratory investigation.Can require to regulate oil pressure height according to experimental design, carry out the research of different oil pressure seepage flow mechanism; Can reconcile main body dress sample system scale, increase low-permeability oil layer thickness and realize the research of variation low permeability pay seepage flow mechanism.
figure of description
Accompanying drawing 1 is the structural representation of the experimental provision of low permeability pay seepage flow mechanism of the present utility model research.
Accompanying drawing 2 is main body dress sample systems of the present utility model.
Accompanying drawing 3 is removable base plate schematic diagram of main body dress sample system of the present utility model.
Accompanying drawing 4 be of the present utility model fixed/become oil hydraulic system schematic diagram.
Accompanying drawing 5 is that low permeability pay of the present utility model is released oil mass measurement system schematic diagram.
Wherein, 1. dial gauge 2. piezometric tube 3. sedimentation bar 4. pressure taps 5. dress sampling device 6. valve 8. settlement plate 9. sample 10. oil-out 11. loaded filters 12. dress sampling device base plate 13. ball 14. mailbox 15. peristaltic pump 16. overflow vents 17. fixed/become fuel tank 18. supports 19. 20. power supply 21. oil holder 22. electronic balance 23. computing machine 24. power supplys of shaking the hand
Embodiment
For making object and the technical scheme of the utility model embodiment clearer, below in conjunction with the accompanying drawing of the utility model embodiment, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present utility model, rather than whole embodiment.Based on described embodiment of the present utility model, the every other embodiment that those of ordinary skills obtain under the prerequisite without creative work, belongs to the scope that the utility model is protected.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have with the utility model under the identical meaning of the general understanding of those of ordinary skill in field.Should also be understood that such as those terms that define in general dictionary and should be understood to have the consistent meaning of meaning in the context with prior art, unless and definition as here, can not explain by idealized or too formal implication.
The implication of " connection " described in the utility model can be that the direct connection between parts can be also by the indirect connection of other parts between parts.
As shown in Figure 1, the experimental provision of low permeability pay seepage flow mechanism of the present utility model research, comprise main body dress sample system, fixed/to become oil hydraulic system, oil pressure measuring system, low permeability pay settlement measurement system, low permeability pay to release oil mass measurement system and low permeability pay thickness control system, fixed/to become oil hydraulic system, oil pressure measuring system, low permeability pay settlement measurement system, low permeability pay to release oil mass measurement system and be connected with main body dress sample system respectively with low permeability pay thickness control system.When experiment is carried out, fixed/change oil gear is guaranteed can mutually change between stand oil pressure, the distortion of main body dress sample system medium sand/soil sample generation seepage flow, and settlement observation system records the displacement variable that sample occurs, the size of oil mass monitoring system registers seepage flow.
As shown in Figure 2, main body dress sample system comprises dress sampling device 5, dial gauge 1, piezometric tube 2, sedimentation bar 3, settlement plate 8, low permeability pay sand/soil sample 9, oil-out 10 and loaded filter 11, the cube structure of the sealing that dress sampling device 5 is comprised of six high strength organic glass panels, wherein, the high strength organic glass panel that is positioned at cube structure top contains slitless connection interface, can need to adjust experimental provision yardstick according to experiment, on the high strength organic glass panel of main body dress sample system top, be furnished with pressure tap 4 and some 1/4 valves 6, the bottom of described cube structure is provided with ball 13 and brake gear, the high strength organic glass erecting of panel that sedimentation bar 3 and piezometric tube 2 pass cube structure top is on described dress sampling device 5, and dial gauge 1 is arranged on the top of described sedimentation bar 3, loaded filter 11 be laid on dress sampling device 5 bottom, low permeability pay sand/soil sample 9 be laid on loaded filter above, settlement plate 8 be arranged on low permeability pay sand/soil sample 9 above, oil-out 10 is arranged on a side of loaded filter 11.
During work, device is moved to Experimental Area, first check the sealing of dress sampling device 5, check that errorless rear sampling device 5 bottoms that first ready gravel packed into are as loaded filter 11, limit charge of oil limit setting-out in dress sample process, can guarantee that sample is completely saturated and enter without air by degassing method or vacuumizing method, install after sample, standing some days, until stable, by dial gauge 1, sedimentation bar 3 and settlement plate 8 are put into specimen surface, shut each valve, open peristaltic pump 15, rotating speed is set as arbitrarily per minute r1 and turns, adjust oil pressure, on main body dress sampling device surface, piezometric tube 2 is installed at each valve place, observation piezometric tube oil column height H1, standing, until dial gauge 1 and piezometric tube 2 stable reading, by regulating the rotating speed of peristaltic pump, be that per minute kind r2 turns (guaranteeing that r2 is less than r1) again.Experiment can start.Open oil-out 10 rotating switches, the experiment of low permeability pay seepage flow mechanism starts.
As shown in Figure 3, on main body dress sample system lower end base plate 12, be also provided with ball 13 and brake.
As shown in Figure 4, the described oil hydraulic system of determining/become comprises fuel tank 14, peristaltic pump 15, fixed/change fuel tank 17 and support 18, fuel tank 14 is connected respectively at described peristaltic pump 15 pipelines with fixed/fuel tank 17, fixed/to become fuel tank 17 to be arranged on support 18 tops, the top of fixed/change fuel tank 17 is provided with overflow vent 16, and overflow vent 16 is connected with fuel tank 14.During work, fuel tank 14 is used to provide oil for experiment, peristaltic pump 15 is determined the oil in fuel tank 14/become in fuel tank 17 with constant flow suction, in order to keep stand oil, press, unnecessary oil flows back to fuel tank 14 to reuse from overflow vent 16, in order to reach change oil hydraulic system, can to use to shake the hand, 19 utilize travelling belt will determine/become fuel tank 17 to move up and down, keep different oil pressure.
Oil pressure measuring system comprises oil pressure measurement mechanism, organic glass piezometric tube and organic glass flexible pipe, and organic glass piezometric tube gos deep into the different depth of main body dress sample system, and oil pressure measurement mechanism is connected with organic glass piezometric tube by organic glass flexible pipe.
As shown in Figure 1, low permeability pay settlement measurement system is comprised of dial gauge 1, sedimentation bar 3, organic glass settlement plate 8 with holes, timer and video camera, and organic glass settlement plate with holes is connected by screw with sedimentation bar, and dial gauge contacts with sedimentation bar.Described timer is hand-held by experimenter, described video camera be arranged on dial gauge 1 over against position.
As shown in Figure 5, low permeability pay is released oil mass measurement system and is comprised of electronic balance, oil holder and computing machine, and oil holder is placed on the upper end of electronic balance, and electronic balance is connected with computing machine.During work, 22 electronic balances are connected to electric 24 sources, electronic balance 22 is connected with computing machine 23, be ready to oil-holder ware 21, experiment can start, and oil mass two side systems are started working.
Low permeability pay thickness control system comprises the organic glass panel with main body dress sample system slitless connection.High strength poly (methyl methacrylate) plate specification can be selected 100cm * 70cm * 70cm, is equipped with interior calibration on high strength poly (methyl methacrylate) plate.Fixed/to become fuel tank specification can select 30cm * 30cm * 30cm.Sedimentation bar is through high strength organic glass panel, and between high strength organic glass panel and sedimentation bar, by rubber sheet gasket close contact, sedimentation masthead end is provided with groove and is connected with dial gauge contact.
Stand oil pressing system of the present utility model is realized by peristaltic pump.The pump head model that the constant flow pump using in the utility model can select Baoding LanGe constant flow pump Co., Ltd to produce is YZ1518X, and peristaltic pump rotating speed is from 0ppm-100ppm.By setting peristaltic pump rotating speed, can guarantee that constant flow injects in a middle joint high strength organic glass face equipment.The utility model main body dress sample system adopts vacuum pump to vacuumize to realize in soil sample saturated without air.
These are only embodiment of the present utility model, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (10)
1. the experimental provision of low permeability pay seepage flow mechanism research, it is characterized in that, comprise main body dress sample system, fixed/to become oil hydraulic system, oil pressure measuring system, low permeability pay settlement measurement system, low permeability pay to release oil mass measurement system and low permeability pay thickness control system, described fixed/become oil hydraulic system, oil pressure measuring system, low permeability pay settlement measurement system, low permeability pay to release oil mass measurement system and be connected with described main body dress sample system respectively with low permeability pay thickness control system.
2. the experimental provision of a kind of low permeability pay seepage flow mechanism according to claim 1 research, it is characterized in that, described main body dress sample system comprises dress sampling device, dial gauge, piezometric tube, settlement plate, sedimentation bar, low permeability pay sand/soil sample, oil-out and loaded filter, the cube structure of the sealing that described dress sampling device is comprised of six high strength organic glass panels, wherein, energy slitless connection between the high strength organic glass panel at described cube structure top and four of the sides of cube structure high strength organic glass panel, on the high strength organic glass panel at described dress sampling device top, be furnished with pressure tap and some 1/4 valves, the bottom of described cube structure is provided with ball and brake gear, described sedimentation bar and piezometric tube pass the high strength organic glass erecting of panel at cube structure top on described dress sampling device, and described dial gauge is arranged on the top of described sedimentation bar, described loaded filter is laid on the bottom of described dress sampling device, described low permeability pay sand/soil sample be laid on described loaded filter above, described settlement plate be arranged on described low permeability pay sand/soil sample above, described oil-out is arranged on a side of described loaded filter.
3. the experimental provision of a kind of low permeability pay seepage flow mechanism according to claim 1 research, it is characterized in that, described fixed/become oil hydraulic system and comprise fuel tank, peristaltic pump, fixed/to become fuel tank and support, described fuel tank is connected respectively at described peripump tubing with fixed/fuel tank, described fixed/become fuel tank to be arranged on described cantilever tip, described fixed/top that becomes fuel tank is provided with overflow vent, described overflow vent is connected with described fuel tank pipeline.
4. the experimental provision of a kind of low permeability pay seepage flow mechanism according to claim 1 research, it is characterized in that, described oil pressure measuring system comprises oil pressure measurement mechanism, organic glass piezometric tube and organic glass flexible pipe, described organic glass piezometric tube gos deep into the different depth of main body dress sample system, and described oil pressure measurement mechanism is connected with described organic glass piezometric tube by organic glass flexible pipe.
5. the experimental provision of a kind of low permeability pay seepage flow mechanism according to claim 1 research, it is characterized in that, described low permeability pay settlement measurement system is comprised of dial gauge, sedimentation bar, organic glass settlement plate with holes, timer and video camera, described organic glass settlement plate with holes is connected by screw with sedimentation bar, described dial gauge contacts with sedimentation bar, described timer is hand-held by experimenter, described video camera be arranged on dial gauge over against position.
6. the experimental provision of a kind of low permeability pay seepage flow mechanism according to claim 1 research, it is characterized in that, described low permeability pay is released oil mass measurement system and is comprised of electronic balance, oil holder and computing machine, described oil holder is placed on the upper end of electronic balance, and described electronic balance is connected with computing machine.
7. the experimental provision of a kind of low permeability pay seepage flow mechanism according to claim 1 research, is characterized in that, described low permeability pay thickness control system comprises the organic glass panel with described main body dress sample system slitless connection.
8. the experimental provision of a kind of low permeability pay seepage flow mechanism according to claim 2 research, is characterized in that, described low permeability pay sand/soil sample specification is 100cm * 70cm * 70cm, on described high strength poly (methyl methacrylate) plate, is equipped with interior calibration.
9. the experimental provision of a kind of low permeability pay seepage flow mechanism according to claim 3 research, its spy is, described fixed/to become fuel tank specification be 30cm * 30cm * 30cm.
10. the experimental provision of a kind of low permeability pay seepage flow mechanism according to claim 5 research, it is characterized in that, described sedimentation bar is through high strength organic glass panel, between described high strength organic glass panel and sedimentation bar, pass through rubber sheet gasket close contact, described sedimentation masthead end is provided with groove, and described groove contacts with dial gauge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420071544.2U CN203758880U (en) | 2014-02-19 | 2014-02-19 | Experiment device for researching permeation mechanism of low-permeability oil layer |
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| CN201420071544.2U CN203758880U (en) | 2014-02-19 | 2014-02-19 | Experiment device for researching permeation mechanism of low-permeability oil layer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406878A (en) * | 2014-10-16 | 2015-03-11 | 中国石油天然气股份有限公司 | Method and device for measuring solubility of carbon dioxide in crude oil and water |
| CN106596372A (en) * | 2016-12-13 | 2017-04-26 | 河海大学 | In-situ double-tube outer tube method for determining aquitard consolidation coefficient and deformation lagging index |
-
2014
- 2014-02-19 CN CN201420071544.2U patent/CN203758880U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406878A (en) * | 2014-10-16 | 2015-03-11 | 中国石油天然气股份有限公司 | Method and device for measuring solubility of carbon dioxide in crude oil and water |
| CN106596372A (en) * | 2016-12-13 | 2017-04-26 | 河海大学 | In-situ double-tube outer tube method for determining aquitard consolidation coefficient and deformation lagging index |
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Granted publication date: 20140806 Termination date: 20170219 |