CN201096768Y - An oil-hiding big hole simulation visual model testing device - Google Patents

An oil-hiding big hole simulation visual model testing device Download PDF

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Publication number
CN201096768Y
CN201096768Y CNU2007201731847U CN200720173184U CN201096768Y CN 201096768 Y CN201096768 Y CN 201096768Y CN U2007201731847 U CNU2007201731847 U CN U2007201731847U CN 200720173184 U CN200720173184 U CN 200720173184U CN 201096768 Y CN201096768 Y CN 201096768Y
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China
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macropore
visual
outlet
combination
simulation
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CNU2007201731847U
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Chinese (zh)
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朱怀江
罗健辉
刘玉章
熊春明
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中国石油天然气股份有限公司
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Abstract

The utility model relates to a reservoir big-channel simulation visible model testing device, which is characterized in that the outlet of the reservoir big-channel simulation visible model is arranged at the upper part of the side surface and is connected with a stainless-steel tube; a measuring cylinder is arranged at the outlet of the stainless-steel tube; the inlet of the reservoir big-channel simulation visible model is arranged at the lower part of the side surface and is communicated with a container with a magnetic-stirring piston through the stainless-steel tube; a video camera is arranged at one side of the reservoir big-channel simulation visible model with optical glass; the lower part of the a container provided with a magnetic-stirring piston is connected with a pressure sensor connecting tube and is then connected with the pressure sensor; the top part of the container is communicated with a distilled water pipeline. The device can research and observe the creep migration, bridging plugging and under-pressure breach of the in-depth fluid flowing diverting agent in the reservoir big channel, and obtain the ratio of particle size to pore throat, the affect of the flow-speed variance to creep bypass pressure, and the relations of the creep bypass pressures of the in-depth fluid flowing diverting agent with certain particle size through channels with different pore sizes, and also can observe whether crushing and breaking, easy fracture caused by tension or cutting will occur in the pore throats.

Description

A kind of oil reservoir macropore simulation visual model test unit

Technical field

The utility model relates to a kind of oil reservoir macropore simulation visual model test unit in distortion, creep migration and the accumulation shutoff situation of research deep fluid diversion agent under the visual condition in the simulating oil deposit macropore.

Background technology

The a lot of oil fields of China have entered high moisture and high recovery percent of reserves mining phase, and most permeable zone or macropore appear in the water filling oil reservoir, cause injecting the invalid circulation of water, even the polymer flooding channelling, cause a series of serious problems.After deliberation, adopt injection deep fluid diversion agent (precrosslink volume expansion grain or compliance steer agent (product code name: SR-3)) [1]Technology can address the above problem [2~6]

Existing deep fluid diversion agent research characterization technique [7]Have maximum by pressure application, core physical simulation method [3, 7]Deng.

Maximum tough factor and the intensity that is used to measure the precrosslink volume expansion grain by pressure application.Choose the gel particle of equal in quality, same particle size in the experiment, soak 48h in tap water, with screen cloth elimination moisture, pour the piston container into, turn on pump with identical injection rate, is exerted pressure by piston sample in container.Piston promotes the steel-wire screen of gel particle by 1 layer of diameter 1.27cm, and the maximum when measuring gel by screen cloth is by pressure (p Max), with the intensity of this pressure sign pre-crosslinked gel particle.Adopt same piston container, will reload by the gel particle behind the screen cloth, with the secondary of same steps as working sample maximum by pressure (p ' Ma x).

The tough factor of gel particle (f) computing formula is: f=(p ' Max)/(p Max)

The problem of this method is that the condition determination and the reservoir condition of tough factor differs greatly, and can't obtain the gel strength data.

The core physical simulation method [3,7]Divide following several steps:

1. rock core is vacuumized saturated local water [3,7], measure volume of voids and factor of porosity.

2. the rock core matrix permeability is measured in constant speed displacement at normal temperatures.

3. rock core is dried down at 70 ℃, become 2 with triaxial stress machine pressure break, (particle diameter is: 0.2~2.0mm) is glued on the wall in rock core crack, the pressing and stoving moulding with the gravel particle with epoxy resin.

4. repeat above-mentioned steps and 1. 2. measure the underlying parameter of band crack or macropore rock core, then inject deep fluid diversion agent, the record injection pressure changes and the injection flow.Treat to carry out water drive after injection pressure is stablized the steady pressure when record breakthrough pressure and water drive, the residual resistance factor and the sealing ratiod of rock core behind the test injection particle.

The problem of this method is to be difficult to make identical band crack of parameter or macropore rock core, and experimentation is numerous and diverse, and experimental phenomena is not visible, can occur the problem that deep fluid diversion agent can't be injected under most conditions.

The utility model content

The purpose of this utility model is an oil reservoir macropore simulation of a design visual model test unit, can change in the distortion of research deep fluid diversion agent in the simulating oil deposit macropore, creep migration under the visual condition, build bridge shutoff and parameters such as the pressure when being broken, flow velocity, observe and take deformation, obstruction and the migration phenomenon of deep fluid diversion agent in the simulation macropore.

Oil reservoir macropore simulation visual model test unit of the present utility model comprises: band magnetic agitation piston container, oil reservoir macropore simulation visual model, video camera, graduated cylinder.

The outlet of oil reservoir macropore simulation visual model 1 is located at top, side, be connected with stainless-steel tube 4, graduated cylinder 5 is placed on stainless-steel tube 4 exits, the inlet of oil reservoir macropore simulation visual model 1 is located at the bottom, side, be communicated with band magnetic agitation piston container 8 by stainless-steel tube 3, video camera 6 is arranged on the one side that oil reservoir macropore simulation visual model 1 has optical glass 2, connect pressure transducer associated line 10 in band magnetic agitation piston container 8 bottoms, connect pressure transducer 11 then, the top is communicated with distilled water associated line 7.

Band magnetic agitation piston container 8 is made up of cylindrical shell, loam cake, double plate root piston and magnetic stir bar, magnetic stir bar 9 is contained in the cylindrical shell inner bottom part, pressure transducer associated line interface 14 is located on the sidewall of cylindrical shell bottom with the conical discharge port 13 that is connected stainless-steel tube 3, double plate root piston 12 that can be up and down is located in the cylindrical shell, loam cake is positioned at cylindrical shell top, be spun on the external thread 15 on the cylinder body outer wall by internal thread 19, with sealing joint, the upper surface of loam cake is provided with pipeline interface 17,18 by butt-end packing packing groove 16.

Macropore combination visual model, the serial or parallel connection macropore combination visual model of different ducts size, porous road combination grid visual model, reservoir of porous medium height that oil reservoir macropore simulation visual model can be divided into same holes road size ooze band simulation visual model;

The structure of the macropore combination visual model of same holes road size is by macropore combination visual model body 23, macropore 22, macropore outlet 20, macropore inlet 24 constitutes, macropore 22 1 ends connect macropore outlet 20, the other end is connected with macropore inlet 24, the middle middle pressure tap 21 of macropore that connects, parallel macropore combination visual model body 23 surfaces that are embedded in of many groups upward cover optical glass 2, macropore outlet 20, macropore inlet 24, pressure tap 21 is respectively by passing the connecting pipe 27 of macropore combination visual model body 23 in the middle of the macropore, 26,25 with hickey 28,29,30 connect, hickey 28,29 are connected with stainless-steel tube 3 with stainless-steel tube 4 respectively and are connected, and hickey 30 connects pressure transducer.

The serial or parallel connection macropore combination visual model of different ducts size is by the macropore outlet 31 that connects successively, macropore 32, macroscopic void 33, macropore 34, macroscopic void 35, macropore 36, macropore inlet 37, be embedded in macropore combination visual model body 23 surfaces and go up the series connection macropore combination visual model that constitutes different ducts size, macropore outlet 31 is connected with hickey 49,50 by the connecting pipe 48,47 that passes macropore combination visual model body 23 with macropore inlet 37; By 39 fens two-way of macropore inlet, one the tunnel connects macropore 38, macroscopic void 40, macropore 41, macropore outlet 42 successively, another road connects macropore 44, macroscopic void 46, macropore 45, macropore outlet 43 successively, be embedded in macropore combination visual model body 23 surfaces and go up the macropore visual model in parallel that constitutes different ducts size, macropore inlet 39 is connected with hickey 53,54 by the connecting pipe 52,51 that passes macropore combination visual model body 23 with macropore outlet 42,43, macropore combination visual model body 23 surface coverage optical glass 2.

Porous road combination grid visual model is to connect the grid duct 58,59,55,56 and the grid duct inlet 64 that are embedded in macropore combination visual model body 23 lip-deep different specification sizes successively by grid hole road outlet 57 to constitute, surface coverage optical glass 2, the outlet 57 of grid hole road is connected with hickey 60,61 by the connecting pipe 62,63 that passes macropore combination visual model body with grid duct inlet 64.

It is to ooze by being embedded in macropore combination visual model body 23 lip-deep height that band model 65 is oozed in band analogy model outlet 67, simulation height, height oozes band analogy model inlet 66 and constitutes that the reservoir of porous medium height oozes band simulation visual model, cover optical glass 2 above, height oozes band analogy model outlet 67, height oozes band analogy model inlet 66 and is connected with hickey 70,69 by the connecting pipe 68,71 that passes macropore combination visual model body 23.

Oil reservoir macropore simulation visual model experimental provision mainly is made up of band magnetic agitation piston container and oil reservoir macropore simulation visual model, band magnetic agitation piston container is used to adorn deep fluid diversion agent suspending liquid, in establish piston, displacing medium (distilled water) is entered by suitable for reading, promote piston, the Ф 20mm tapered channel of fluid diversion agent suspending liquid in deep through enlarging of bottom driven in oil reservoir macropore simulation visual model.When deep fluid diversion agent is oozed band by dissimilar simulation macropores or reservoir of porous medium simulation height, pressure by means of the determination of pressure sensor flow process of drawing at oil reservoir macropore simulation visual model inlet changes and rate of discharge, simultaneously, set up video camera and take deep fluid diversion agent obstruction macropore in the flow process, creep under pressure is by waiting deformation process, and research deep fluid diversion agent is in the macropore or the high mechanism of action of oozing in the band of porous medium simulation.

Utilize this device can study creep migration, bridge formation shutoff and the breakthrough situation under pressure of deep fluid diversion agent (compliance steer agent or precrosslink volume expansion grain) in the oil reservoir macropore, obtain particle diameter/pore throat than, change in flow to the influence of creep by pressure, the creep of certain particle diameter deep fluid diversion agent by different apertures passage is by relations such as pressure.Whether also can observe deep fluid diversion agent can attrition crushing in pore throat; Stretching easy fracture or cut phenomenon.

Description of drawings

Fig. 1 oil reservoir macropore simulation visual model experimental provision schematic flow sheet.

Fig. 2 a band magnetic agitation piston shell structural representation.

Fig. 2 b band magnetic agitation piston container upper cover structural representation.

The macropore combination visual model planar structure synoptic diagram of Fig. 3 a same holes road size

The macropore combination visual model A-A sectional view of Fig. 3 b same holes road size.

The serial or parallel connection macropore combination visual model planar structure synoptic diagram of the different ducts of Fig. 4 a size.

The serial or parallel connection macropore combination visual model A-A sectional view of the different ducts of Fig. 4 b size.

The serial or parallel connection macropore combination visual model B-B sectional view of the different ducts of Fig. 4 c size.

Fig. 5 a porous road combination grid visual model planar structure synoptic diagram.

Fig. 5 b porous road combination grid visual model A-A sectional view.

Fig. 6 a reservoir of porous medium height oozes band analogy model planar structure synoptic diagram.

Fig. 6 b reservoir of porous medium height oozes band analogy model A-A sectional view.

Fig. 7 reservoir of porous medium height oozes the band analog image.

Wherein: 1 oil reservoir macropore simulation visual model, 2 optical glass, 3 stainless-steel tubes, 4 stainless-steel tubes, 5 graduated cylinders, 6 video cameras, 7 distilled water associated lines, 8 band magnetic agitation piston containers, 9 magnetic stir bars, 10 pressure transducer connecting pipes, 11 pressure transducers, 12 double plate root pistons, 13 conical discharge ports, 14 pressure transducer connecting pipe interfaces, 15 external threads, 16 butt-end packing packing grooves, 17 pipeline interfaces, 18 pipeline interfaces, 19 internal threads, the outlet of 20 macropores, pressure tap in the middle of 21 macropores, 22 macropores, 23 macropores combination visual model body, the outlet of 24 macropores, 25 connecting pipes, 26 connecting pipes, 27 connecting pipes, 28 hickeys, 29 hickeys, 30 hickeys, the outlet of 31 macropores, 32 macropores, 33, macroscopic void, 34 macropores, 35 macroscopic voids, 36 macropores, 37 macropores inlet, 38 macropores, 39 macropores inlet, 40 macroscopic voids, 41 macropores, the outlet of 42 macropores, the outlet of 43 macropores, 44 macropores, 45 macropores, 46 macroscopic voids, 47 connecting pipes, 48 connecting pipes, 49 hickeys, 50 hickeys, 51 connecting pipes, 52 connecting pipes, 53 hickeys, 54 hickeys, 55 Raster Data Model combination duct, 56 Raster Data Model combination duct, the outlet of 57 Raster Data Model, 58 Raster Data Model combination duct, 59 Raster Data Model combination duct, 60 hickeys, 61 hickeys, 61 connecting pipes, 63 connecting pipes, 64 Raster Data Model inlet, 65 simulation height ooze band model, 66 height ooze band analogy model inlet, 67 height ooze the outlet of band analogy model, 68 connecting pipes, 69 hickeys, 70 hickeys, 71 connecting pipes.

Embodiment

Oil reservoir macropore simulation visual model test unit of the present utility model comprises: band magnetic agitation piston container, oil reservoir macropore simulation visual model, video camera, graduated cylinder.

The outlet of oil reservoir macropore simulation visual model 1 is located at top, side, be connected with Ф 6mm stainless-steel tube 4, graduated cylinder 5 is placed on stainless-steel tube 4 exits, the inlet of oil reservoir macropore simulation visual model 1 is located at the bottom, side, be communicated with band magnetic agitation piston container 8 by Ф 10mm stainless-steel tube 3, video camera 6 is arranged on the one side that oil reservoir macropore simulation visual model 1 has optical glass 2, connect pressure transducer connecting pipe 10 (with Ф 3mm poly fourfluoroplastics pipe) in band magnetic agitation piston container 8 bottoms, connect pressure transducer 11 then, the top is communicated with (with Ф 3mm poly fourfluoroplastics pipe) with distilled water associated line 7.

Band magnetic agitation piston container 8 is made up of cylindrical shell, loam cake, double plate root piston and magnetic stir bar, magnetic stir bar 9 is contained in the cylindrical shell inner bottom part, pressure transducer associated line interface 14 is located on the sidewall of cylindrical shell bottom with the conical discharge port 13 that is connected stainless-steel tube 3, double plate root piston 12 that can be up and down is located in the cylindrical shell, loam cake is positioned at cylindrical shell top, by internal thread 19 is M88 * 3mm, be spun on the external thread 15 on the cylinder body outer wall, external thread is M88 * 3mm, with sealing joint, the upper surface of loam cake is provided with pipeline interface 17,18 by butt-end packing packing groove 16.

Macropore combination visual model, the serial or parallel connection macropore combination visual model of different ducts size, porous road combination grid visual model, reservoir of porous medium height that oil reservoir macropore simulation visual model can be divided into same holes road size ooze band simulation visual model;

The structure of the macropore combination visual model of same holes road size is by macropore combination visual model body 23, macropore 22, macropore outlet 20, macropore inlet 24 constitutes, macropore 22 1 ends connect macropore outlet 20, the other end is connected with macropore inlet 24, the middle middle pressure tap 21 of macropore that connects, parallel macropore combination visual model body 23 surfaces that are embedded in of many groups upward cover optical glass 2, macropore outlet 20, macropore inlet 24, pressure tap 21 is respectively by passing the connecting pipe 27 of macropore combination visual model body 23 in the middle of the macropore, 26,25 with hickey 28,29,30 connect, hickey 28,29 are connected with stainless-steel tube 3 with stainless-steel tube 4 respectively and are connected, and hickey 30 connects pressure transducer.

The serial or parallel connection macropore combination visual model of different ducts size is by the macropore outlet 31 that connects successively, macropore 32, macroscopic void 33, macropore 34, macroscopic void 35, macropore 36, macropore inlet 37, be embedded in macropore combination visual model body 23 surfaces and go up the series connection macropore combination visual model that constitutes different ducts size, macropore outlet 31 is connected with hickey 49,50 by the connecting pipe 48,47 that passes macropore combination visual model body 23 with macropore inlet 37; By 39 fens two-way of macropore inlet, one the tunnel connects macropore 38, macroscopic void 40, macropore 41, macropore outlet 42 successively, another road connects macropore 44, macroscopic void 46, macropore 45, macropore outlet 43 successively, be embedded in macropore combination visual model body 23 surfaces and go up the macropore visual model in parallel that constitutes different ducts size, macropore inlet 39 is connected with hickey 53,54 by the connecting pipe 52,51 that passes macropore combination visual model body 23 with macropore outlet 42,43, macropore combination visual model body 23 surface coverage optical glass 2.

Porous road combination grid visual model is to connect the grid duct 58,59,55,56 and the grid duct inlet 64 that are embedded in macropore combination visual model body 23 lip-deep different specification sizes successively by grid hole road outlet 57 to constitute, surface coverage optical glass 2, the outlet 57 of grid hole road is connected with hickey 60,61 by the connecting pipe 62,63 that passes macropore combination visual model body with grid duct inlet 64.

It is to ooze by being embedded in macropore combination visual model body 23 lip-deep height that band model 65 is oozed in band analogy model outlet 67, simulation height, height oozes band analogy model inlet 66 and constitutes that the reservoir of porous medium height oozes band simulation visual model, cover optical glass 2 above, height oozes band analogy model outlet 67, height oozes band analogy model inlet 66 and is connected with hickey 70,69 by the connecting pipe 68,71 that passes macropore combination visual model body 23.

1) 1000~1500mL piston container (see figure 2)-can be used for holding deep fluid diversion agent suspending liquid can add magnetic stir bar and stir to prevent solids precipitation.With distilled water is media drive; If use pressure-sustaining gas to drive, need unload lower piston.Unobstructed for fluid diversion agent suspending liquid in deep is flowed out, export processing is become Ф 20mm tapered channel, be connected with Ф 10mm pipeline.

2) oil reservoir macropore simulation visual model can be processed into following form according to demand:

A. the macropore of same holes road size makes up the model 1 (Fig. 3) of visual model.This model is used for independent macropore and the hole that simulating oil deposit has same holes road size, and the duct is respectively: 1. 0.2 * 0.2 * 6mm; 2. 0.5 * 0.5 * 6mm; 3. 1 * 1 * 6mm; 4. 2 * 2 * 6mm, the hole between the duct is Ф 6 * 2mm.Have at the back side of macropore combination visual model every group of duct inlet, outlet be connected to φ 6mm pipeline and middle pressure tap is connected to φ 3mm pressure measurement pipeline, when does not use in the duct with the shutoff of countersunk head plug.

The model 2 (Fig. 4) of the serial or parallel connection macropore combination visual model of B. different ducts size.This model is made up of two parts, and what the first was used for that simulating oil deposit has a different ducts size gangs up macropore and hole, and the duct size is respectively: 1. 0.5 * 0.5 * 6mm; 2. 1 * 1 * 6mm; 3. 2 * 2 * 6mm.Link to each other with Ф 6 * 2mm hole between the duct.It two is the macropore in parallel and the hole of two kinds of duct sizes in the simulating oil deposit, and the duct is respectively: 1. 0.5 * 0.5 * 6mm; 2. 2 * 2 * 6mm.Link to each other with Ф 6 * 2mm hole between the duct.Have at the back side of model every group of duct entrance and exit be connected to φ 6mm pipeline, when does not use in the duct with the shutoff of countersunk head plug.

C. the porous road makes up the model 3 (Fig. 5) of grid visual model.This model is used for the macropore of simulating oil deposit random distribution, and the duct size is respectively: 1. 2 * 2 * 5mm; 2. 1 * 1 * 5mm; 3. 0.5 * 0.5 * 5mm; 4. 0.2 * 0.2 * 5mm.Be separated by with groove between the duct.

D. the reservoir of porous medium height oozes band analogy model 4 (Fig. 6).The making of this model can use the macropore that produces in the actual reservoir cores porous medium to prepare analog image, perhaps select with the glued synthetic core that forms of bulky grain oil-sand fillings such as (or gravels) according to the reservoir physical property parameter of target reservoir, cutting is also made sectional view, obtains the analog image (see figure 7) of macropore in the porous medium.Use numerically-controlled machine then,, produce macropore analogy model in the actual reservoir of porous medium by means of the simulation process technology.

3) cover with Ф 80 * 10mm optical glass above the simulating oil deposit macropore visual model, be coated on the duct with pyroceram glue near groove produce sealing function, add the sealing of O type circle in addition in the outer rim joint portion.

Claims (6)

1. an oil reservoir macropore is simulated the visual model test unit, comprising: band magnetic agitation piston container, oil reservoir macropore simulation visual model, video camera, graduated cylinder is characterized in that:
The outlet of oil reservoir macropore simulation visual model (1) is located at top, side, be connected with stainless-steel tube (4), graduated cylinder (5) is placed on stainless-steel tube (4) exit, the inlet of oil reservoir macropore simulation visual model (1) is located at the bottom, side, be communicated with band magnetic agitation piston container (8) by stainless-steel tube (3), video camera (6) is arranged on the one side that oil reservoir macropore simulation visual model (1) has optical glass (2), connect pressure transducer connecting pipe (10) in band magnetic agitation piston container (8) bottom, connect pressure transducer (11) then, the top is communicated with distilled water associated line (7).
2. oil reservoir macropore simulation visual model test unit according to claim 1, it is characterized in that: band magnetic agitation piston container (8) is by cylindrical shell, loam cake, double plate root piston and magnetic stir bar are formed, magnetic stir bar (9) is contained in the cylindrical shell inner bottom part, pressure transducer connecting pipe interface (14) is located on the sidewall of cylindrical shell bottom with the conical discharge port that is connected stainless-steel tube (3) (13), double plate root piston (12) that can be up and down is located in the cylindrical shell, loam cake is positioned at cylindrical shell top, be spun on the external thread (15) on the cylinder body outer wall by internal thread (19), with sealing joint, the upper surface of loam cake is provided with pipeline interface (17) by butt-end packing packing groove (16), (18).
3. oil reservoir macropore simulation visual model test unit according to claim 1, it is characterized in that: oil reservoir macropore simulation visual model is the macropore combination visual model of same holes road size, the structure of the macropore combination visual model of same holes road size is by macropore combination visual model body (23), macropore (22), macropore outlet (20), macropore inlet (24) constitutes, macropore (22) one ends connect macropore outlet (20), the other end is connected with macropore inlet (24), the middle middle pressure tap (21) of macropore that connects, parallel being embedded on macropore combination visual model body (23) surface of many groups covers optical glass (2), macropore outlet (20), macropore inlet (24), pressure tap (21) is respectively by passing the connecting pipe (27) of macropore combination visual model body (23) in the middle of the macropore, (26), (25) with hickey (28), (29), (30) connect, hickey (28), (29) be connected with stainless-steel tube (3) with stainless-steel tube (4) respectively and be connected, hickey (30) connects pressure transducer.
4. oil reservoir macropore simulation visual model test unit according to claim 1, it is characterized in that: oil reservoir macropore simulation visual model is the serial or parallel connection macropore combination visual model of different ducts size, the serial or parallel connection macropore combination visual model of different ducts size is by the macropore outlet (31) that connects successively, macropore (32), macroscopic void (33), macropore (34), macroscopic void (35), macropore (36), macropore inlet (37), be embedded in the series connection macropore combination visual model that constitutes different ducts size on macropore combination visual model body (23) surface, macropore outlet (31) and macropore inlet (37) are by passing the connecting pipe (48) of macropore combination visual model body (23), (47) with hickey (49), (50) connect; Divide two-way by macropore inlet (39), one the tunnel connects macropore (38) successively, macroscopic void (40), macropore (41), macropore outlet (42), another road connects macropore (44) successively, macroscopic void (46), macropore (45), macropore outlet (43), be embedded in the macropore visual model in parallel that constitutes different ducts size on macropore combination visual model body (23) surface, macropore inlet (39) and macropore outlet (42), (43) by passing the connecting pipe (52) of macropore combination visual model body (23), (51) with hickey (53), (54) connect macropore combination visual model body (23) surface coverage optical glass (2).
5. oil reservoir macropore simulation visual model test unit according to claim 1, it is characterized in that: oil reservoir macropore simulation visual model is a porous road combination grid visual model, porous road combination grid visual model is to connect the grid duct (58) that is embedded in the lip-deep different specification size of macropore combination visual model body (23) successively by grid hole road outlet (57), (59), (55), (56) and grid duct inlet (64) constitute, surface coverage optical glass (2), grid hole road outlet (57) and grid duct inlet (64) are by passing the connecting pipe (62) of macropore combination visual model body, (63) with hickey (60), (61) connect.
6. oil reservoir macropore simulation visual model test unit according to claim 1, it is characterized in that: oil reservoir macropore simulation visual model is that the reservoir of porous medium height oozes band simulation visual model, it is to ooze band analogy model outlet (67) by being embedded in the lip-deep height of macropore combination visual model body (23) that the reservoir of porous medium height oozes band simulation visual model, the simulation height oozes band model (65), height oozes band analogy model inlet (66) and constitutes, cover optical glass (2) above, height oozes band analogy model outlet (67), height oozes band analogy model inlet (66) by passing the connecting pipe (68) of macropore combination visual model body (23), (71) with hickey (70), (69) connect.
CNU2007201731847U 2007-09-18 2007-09-18 An oil-hiding big hole simulation visual model testing device CN201096768Y (en)

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CN102305045A (en) * 2011-08-05 2012-01-04 中联煤层气国家工程研究中心有限责任公司 Shaft crack simulator
CN102493776A (en) * 2011-12-02 2012-06-13 中煤科工集团重庆研究院 Hole sealing bag with magnetic stirring function
CN101393188B (en) * 2007-09-18 2012-07-18 中国石油天然气股份有限公司 Method for characterization research of depth fluid flowing diverting agent in oil field
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CN106404600A (en) * 2015-07-31 2017-02-15 中国石油化工股份有限公司 Method for discriminating percolation behavior of visco-elastic granular oil displacement agent in porous medium
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Publication number Priority date Publication date Assignee Title
CN101393188B (en) * 2007-09-18 2012-07-18 中国石油天然气股份有限公司 Method for characterization research of depth fluid flowing diverting agent in oil field
CN102305045A (en) * 2011-08-05 2012-01-04 中联煤层气国家工程研究中心有限责任公司 Shaft crack simulator
CN102493776A (en) * 2011-12-02 2012-06-13 中煤科工集团重庆研究院 Hole sealing bag with magnetic stirring function
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