CN202596722U - Physical simulation experiment device of fractured-vuggy oil deposit independent karst cave unit - Google Patents
Physical simulation experiment device of fractured-vuggy oil deposit independent karst cave unit Download PDFInfo
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- CN202596722U CN202596722U CN2012202679579U CN201220267957U CN202596722U CN 202596722 U CN202596722 U CN 202596722U CN 2012202679579 U CN2012202679579 U CN 2012202679579U CN 201220267957 U CN201220267957 U CN 201220267957U CN 202596722 U CN202596722 U CN 202596722U
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Abstract
The utility model is a physical simulation experiment device of a fractured-vuggy oil deposit independent karst cave unit. The physical simulation experiment device of the fractured-vuggy oil deposit independent karst cave unit comprises a cube container. The cube container includes a body, a top cover which is arranged at the top of the body, and a bottom cover which is arranged at the bottom of the body, and a containing cavity is formed inside the body. A window is arranged on a pair of the side walls of the body, a plurality of ducts which are connected with the containing cavity are evenly distributed on the other pair of the side walls of the body, a lining crack is arranged on the inner surface of the other pair of the side walls, and the ducts on the side walls are connected with the ling crack, and the plurality of thru holes which are used to install a simulated shaft are evenly distributed on the top cover and the bottom cover respectively. The physical simulation experiment device of the fractured-vuggy oil deposit independent karst cave unit overcomes the shortcomings that an existing physical model cannot meet geometric similarity and simulate the connecting relation of a complex fracture cave. The physical simulation experiment device of the joint fractured-vuggy deposit independent karst cave unit can be selectively communicated with the ducts on the side walls, the thru holes on the top cover and the bottom cover, and use a paraffin wax to seal the lining fraction cave, so that a model is diverse and flexible in function. The physical simulation experiment device of the fractured-vuggy oil deposit independent karst cave unit is simple in workmanship and recyclable, and is capable of greatly reducing experiment cost.
Description
Technical field
The utility model is about a kind of experimental facilities that is used for oil reservoir research in oil and the geology oil gas field engineering field, relates in particular to a kind of physical model that stitches hole type oil reservoir independence multiple displacement mode in solution cavity unit and mechanism of oil displacement simulated experiment.
Background technology
Physical analogy is the important channel of understanding oil reservoir development process and research fluid flowing law.Seam hole type oil reservoir is different from conventional sandstone oil reservoir; Solution cavity is that main reservoir space, crack are main flow channels; Matrix not storage is oozed ability; And seam hole reservoir bodies has characteristics such as space random distribution, configuration relation is complicated, the shape dimensional variation is various, has brought huge difficulty for the making of seam hole type physical models of reservoir.The both possible conduct of solution cavity independently reservoir bodies is present in the oil reservoir, possibly be present in the oil reservoir as the part of complicated solution cavity combined system again.Yet; Existing physical model is attempted complete seam hole combined system is made in the smaller space mostly; Thereby cause shortcomings such as the geometric similarity criterion can't satisfy, the complex configurations relation is ignored, visual difficulty, withstand voltage heatproof difference; Finally cause the serious distortion of simulation process, analog result lacks directiveness.
At present, the model about water drive oil mechanism, profit flowing law in solution cavity-crack assembly only is confined to comparatively regular glass tube model and etching flat plate model etc.But because that entity oil reservoir centre joint hole size differs greatly, stitch the hole annexation is complicated, no matter these models aspect geometric similarity, still all exist defective greatly aspect the complex space configuration relation.And the solution cavity shape is various in the oil reservoir, the filling characteristic complicated, and fracture condudtiviy difference is big, and annexation is complicated, and existing model is difficult to control, experimentation very flexible in manufacturing process.
For flow regime and the water drive oil process of real simulated fluid in reservoir bodies more; People constantly attempt improved model preparation method, scale-up model yardstick, adopt new material etc.; Like three-dimensional large-scale model, dull and stereotyped etching model, full-hole core model etc.; Though but these models improve to some extent on geometric similarity, still can't be satisfied fully, and function singleness, complicated, the very flexible of modelling process.
Thus, the inventor relies on experience and the practice of being engaged in relevant industries for many years, proposes type oil reservoir independence solution cavity unit, a kind of seam hole physical simulation experiment device, to overcome the defective of prior art.
The utility model content
The purpose of the utility model is to provide type oil reservoir independence solution cavity unit, a kind of seam hole physical simulation experiment device; Satisfying under the prerequisite of similarity criterion; Can simulate seam hole type oil reservoir reservoir bodies characteristics such as seam hole complex configurations relation, packing characteristics, so that independent solution cavity unit and complicated seam hole assembly are studied.
Another purpose of the utility model is to provide type oil reservoir independence solution cavity unit, a kind of seam hole physical simulation experiment device, this experimental facilities diverse in function, easy to make simple, flexibility is strong.
The purpose of the utility model is to realize like this; Type oil reservoir independence solution cavity unit, a kind of seam hole physical simulation experiment device; This experimental facilities is made up of a square container; This square container comprises a body, place the top cover of bodies top and place the bottom of body bottom, and body interior constitutes containing cavity; Said body wherein pair of sidewalls is provided with form, and another oppose side wall is evenly distributed with a plurality of respectively and the duct containing cavity conducting, and the inner surface of said another oppose side wall also is respectively equipped with the liner crack, and the duct on said each sidewall is linked to each other by the liner crack; Be evenly distributed with a plurality of open-works that are used to install simulation wellbore hole on said top cover and the bottom respectively.
In a preferred embodiments of the utility model, be provided with in the said containing cavity by top cover and bottom sealing and press the rubber bush of establishing, be provided with particulate porous medium in the said rubber bush; Form seal chamber between the said rubber bush outside and the body sidewall.
In a preferred embodiments of the utility model, said seal chamber passing hole channel links to each other with an intermediate receptacle with body.
In a preferred embodiments of the utility model, the part duct on the said body sidewall is filled and led up by paraffin by the liner crack between the shutoff duct by optionally shutoff.
In a preferred embodiments of the utility model, be provided with particulate porous medium in the said containing cavity.
In a preferred embodiments of the utility model, said particulate porous medium is quartz sand or bead.
In a preferred embodiments of the utility model, said square container is arranged on the three-dimensional rotation device.
In a preferred embodiments of the utility model, the part open-work on said top cover and the bottom is by optionally shutoff.
In a preferred embodiments of the utility model, a simulation wellbore hole is linked in sequence in a switch valve and a displacement pump by body.
In a preferred embodiments of the utility model, another simulation wellbore hole is linked in sequence in six-way valve by body, and said six-way valve links to each other with vacuum pump with the oil-water metering system respectively again.
From the above mentioned, the utility model has been realized multiple complicated displacement process simulation in type oil reservoir independence solution cavity unit, seam hole and visual and local hole assembly complex configurations relation water drive oil mechanism and the characteristic research down of stitching of seam hole oil reservoir.This experimental facilities solved on the one hand existing physical model can't meeting geometric phase Sihe can't Simulation of Complex seam hole annexation shortcoming; Can be communicated with the body sidewall through selectivity on the other hand; Selectivity is installed simulation wellbore hole and is used paraffin sealed liner crack, implementation model functional diversity and flexibility on top cover and bottom; And manufacture craft simple, can reuse, greatly reduce experimental cost.
Description of drawings
Following accompanying drawing only is intended to the utility model is done schematic illustration and explanation, does not limit the scope of the utility model.Wherein:
Fig. 1: be the utility model seam type oil reservoir independence solution cavity unit, hole physical simulation experiment device perspective view.
Fig. 2: be the utility model seam type oil reservoir independence solution cavity unit, hole physical simulation experiment device cross-sectional view.
Fig. 3: carry out the flow chart of water drive development process simulation for utilizing this experimental facilities.
Fig. 4: carry out the flow chart of single well stimulation development process simulation for utilizing this experimental facilities.
Fig. 5: carry out the flow chart of solution cavity-crack complicated injection-production relation water drive development process simulation for utilizing this experimental facilities.
Fig. 6: simulate the flow chart of seam hole type oil reservoir bottom water drive development process simulation for utilizing this experimental facilities.
Fig. 7: carry out the flow chart of water drive oil mechanism research in the assembly of complicated seam hole for utilizing this experimental facilities.
The specific embodiment
Understand for technical characterictic, purpose and effect to the utility model have more clearly, contrast the specific embodiment of description of drawings the utility model at present.
Like Fig. 1, shown in Figure 2; The utility model proposes type oil reservoir independence solution cavity unit, a kind of seam hole physical simulation experiment device 100; This experimental facilities 100 is made up of a square container; This square container comprises a body 1, place the top cover 2 at body 1 top and place the bottom 3 of body 1 bottom, and body 1 is inner to constitute containing cavity 4; Said body 1 wherein pair of sidewalls is provided with form 11, and form 11 is processed by tempered glass; Another oppose side wall is evenly distributed with respectively a plurality of (in this embodiment being 25) and the duct 12 of containing cavity 4 conductings; The inner surface of said another oppose side wall also is respectively equipped with liner crack 13, and the duct 12 in said another oppose side wall on each sidewall is linked to each other (said liner crack is for connecting the linear crack in said sidewall duct 12) by liner crack 13; Be evenly distributed with the open- work 21 and 31 that a plurality of (in this embodiment being 9) are used to install simulation wellbore hole 5 respectively on said top cover 2 and the bottom 3.
In this embodiment, be provided with the rubber bush of establishing by top cover 2 and bottom 3 sealing pressures 6 in the said containing cavity 4, be provided with particulate porous medium 7 in the said rubber bush 6; Form seal chamber between said rubber bush 6 outsides and the body sidewall.Said seal chamber passing hole channel 12 links to each other with an intermediate receptacle 16 with body.
Said particulate porous medium 7 also can directly be filled in the containing cavity 4, and said particulate porous medium 7 can be full of or partly be full of containing cavity 4; Said particulate porous medium 7 is quartz sand or bead.
In this embodiment, part duct on said body 1 sidewall 12 is by optionally shutoff, filled and led up by paraffin by the liner crack between the shutoff duct 13.
Part open-work on said top cover 2 and the bottom 3 is by optionally shutoff.
The utility model seam type oil reservoir independence solution cavity unit, hole physical simulation experiment device; Through rubber bush is installed; Selectivity is communicated with the duct and the intermediate receptacle of sidewall, optionally on the top cover of top, simulation wellbore hole is installed, and realizes independent solution cavity unit single well stimulation process simulation; Through the open-work that shutoff base side wall part duct and lower bottom cover, optionally on the top cover of top, simulation wellbore hole is installed, realize complicated injection-production relation water drive oil process simulation; Through optionally being communicated with the duct of sidewall, selectivity is installed simulation wellbore hole on the top cover of top, realizes the complicated injection-production relation water drive development process simulation of solution cavity crack; Through optionally on top cover and bottom, simulation wellbore hole being installed, the type oil reservoir bottom water drive development process simulation of seam hole is realized in shutoff sidewall duct; Through optionally being communicated with the base side pit canal, the open-work on all top covers of shutoff and the bottom is realized water drive oil mechanism research in the assembly of complicated seam hole;
The utility model has been realized multiple complicated displacement process simulation in type oil reservoir independence solution cavity unit, seam hole and visual and local hole assembly complex configurations relation water drive oil mechanism and the characteristic research down of stitching of seam hole oil reservoir.This experimental facilities solved on the one hand existing physical model can't meeting geometric phase Sihe can't Simulation of Complex seam hole annexation shortcoming; Can be communicated with the body sidewall through selectivity on the other hand; Selectivity is installed simulation wellbore hole and is used paraffin sealed liner crack, implementation model functional diversity and flexibility on top cover and bottom; And manufacture craft simple, can reuse, greatly reduce experimental cost.
Embodiment 1:
Present embodiment is a Simulation of Complex injection-production relation independence solution cavity unit water drive development process, describes below in conjunction with Fig. 1, Fig. 2, Fig. 3.
In the present embodiment, the duct 12 of said body 1 sidewall is all with dead stifled 37 shutoff, and the open-work 31 of bottom 3 is all with dead stifled 37 shutoff, and the open-work 21 in top cover 2 centres and four bights is installed simulation wellbore hole 5, extremely stifled 37 shutoff of all the other open-work 21 usefulness.The width and the degree of depth in said liner crack 13 are filled and led up with paraffin fully.
The said containing cavity 4 of said particulate porous medium 7 part fillings.
Said square container is arranged on the three-dimensional rotation device 50.
In the present embodiment, the simulation wellbore hole 5 that is provided with on the duct, said top cover 2 centre injects well and links to each other with a displacement pump 18 through a switch valve 32 for injecting well; The simulation wellbore hole that is provided with on the duct in 2 four bights of said top cover is a producing well, and producing well links to each other with a six-way valve 17 through pressure duct, and six-way valve 17 1 interfaces link to each other with an oil-water metering system 33, and another interface links to each other with a vacuum pump 34.
The utility model Simulation of Complex injection-production relation independence solution cavity unit water drive development process is following:
(1) back-up sand:
Physical simulation experiment device 100 is arranged on the three-dimensional rotation device 50, and swivel bolt 8 takes off top cover 2; With the open-work 31 of sidewall duct 12 and bottom 3 all with extremely blocking up 37 shutoff; The paraffin filling is all used in side crack 13; A certain amount of particulate porous medium 7 of filling in the containing cavity 4 of physical simulation experiment device 100 is according to this medium of requirement of experiment compacting; The tubing string that is drilled with eyelet on the tube wall is inserted the duct 21 in said top cover centre and four bights, the simulation producing well with inject well, and on the tubing string that injects well, load onto switch valve 32; Cover top cover 2, tighten swivel bolt 8.
(2) saturated oils experiment:
(3) complicated injection-production relation independence solution cavity unit water drive development process simulation:
Connect to simulate and inject aboveground switch valve 32 and displacement pump 18, open simulation and inject well and producing well upper switches valve, open the switch valve of six-way valve 17 and oil-water metering system 33 connected interfaces.In physical simulation experiment device 100, inject distilled water through displacement pump 18 with certain injection rate, through the oil mass and the water yield that oil-water metering system 33 metering producing wells are produced, the profit displacement rule of observing containing cavity 4 inside through form 11 simultaneously.
Embodiment 2:
Present embodiment describes below in conjunction with Fig. 1, Fig. 2, Fig. 4 for the independent solution cavity of simulation unit single well stimulation development process.
In the present embodiment, shutoff and connection all can be realized as required with open- work 21,31 in said duct 12.The width and the degree of depth in said liner crack 13 are filled and led up with paraffin fully.
Be provided with rubber bush 6 in the said containing cavity 4, the complete said particulate porous medium 7 of filling in the said rubber bush 6; Form cavity between said rubber bush 6 and the said body sidewall, cavity links to each other with outside intermediate receptacle 16 through said duct 12, pressure duct, six-way valve 17.
In the present embodiment; The duct 12 in centre, said two side connects pressure duct, and pressure duct links to each other with a six-way valve 17, and six-way valve 17 links to each other with intermediate receptacle 16; All the other ducts 12 of two side are all with dead stifled 37 shutoff; Also all with dead stifled 37 shutoff, the open-work 21 in top cover centre is installed simulation wellbore hole 5 to the open-work 31 of bottom 3, extremely stifled 37 shutoff of all the other open-work 21 usefulness.Simulation wellbore hole 5 is connected with another six-way valve 17 ' through a switch valve 32, and this another six-way valve 17 ' connects a displacement pump 18, and this another six-way valve 17 ' one interface links to each other with an oil-water metering system 33, and another interface links to each other with a vacuum pump 34.
It is following that the utility model is simulated independent solution cavity unit single well stimulation development process:
(1) back-up sand:
Physical simulation experiment device 100 is arranged on the three-dimensional rotation device 50, and swivel bolt 8 takes off top cover 2 and bottom 3, and rubber bush 6 is installed, and swivel bolt 8 is installed bottom 3; Duct, centre, two side 12 is connected pressure duct; Pressure duct links to each other with a six-way valve 17; Six-way valve 17 and intermediate receptacle 16 link to each other through pressure duct, and all the other ducts 12 of two side are all with dead stifled 37 shutoff, and the open-work 31 of bottom 3 is all with extremely blocking up 37 shutoff; Top cover 2 centre open-works 21 are used for installing simulation and inject well or producing well 5, extremely stifled 37 shutoff of all the other open-work 21 usefulness; The particulate porous medium 7 of filling in the rubber bush 6 in physical simulation experiment device 100 containing cavities 4 is according to this medium 7 of requirement of experiment compacting; The tubing string that is drilled with eyelet on the tube wall is inserted in the open-work 21 in said top cover 2 centres,, and on tubing string, load onto switch valve 32, be used for the switch well in order to simulation producing well or injection well 5; Cover top cover 2, tighten swivel bolt 8.
(2) saturated oils experiment:
Well 5 upper switches valves 32 and another six-way valve 17 ' are injected in the simulation that connects top cover 2 centres through pressure duct, and six-way valve 17 ' each interface links to each other with displacement pump 18, oil-water metering system 33 and vacuum pump 34 respectively; Open simulation and inject well 5 upper switches valves 32, open six-way valve 17 ' and the interface that vacuum pump 34 links to each other, close the switch valve of six-way valve 17 and intermediate receptacle 16 connected interfaces.Opening vacuum pump 34 vacuumizes; Close vacuum pump 34 and corresponding switch valve; Open the interface that six-way valve 17 ' links to each other with displacement pump 18, in physical simulation experiment device 100, inject simulated oil with certain injection rate,, close simulation and inject well 5 upper switches valves 32 up to saturated through displacement pump 18.
(3) independent solution cavity unit single well stimulation development process simulation:
Open simulation and inject well and producing well 5 upper switches valves 32, open the switch valve of six-way valve 17 ' and oil-water metering system 33 connected interfaces; Open the interface of six-way valve 17, the cavity that forms between intermediate receptacle 16 that certain gas is housed and rubber bush 6 and the body sidewall is linked to each other, under the effect of cavity internal pressure; Crude oil in the body containing cavity 4 flows out; Until no fluid output, close the switch valve of six-way valve 17 ' and oil-water metering system 33 connected interfaces, open the switch valve of six-way valve 17 ' and displacement pump 18 connected interfaces; In physical simulation experiment device 100, inject a certain amount of distilled water through displacement pump 18 with certain injection rate; Close the switch valve of six-way valve 17 ' and displacement pump 18 connected interfaces then, open the switch valve of six-way valve 17 ' and oil-water metering system 33 connected interfaces, measure the oil mass and the water yield that producing wells are produced through oil-water metering system 33; This process constantly repeats, and simulates independent solution cavity unit single well stimulation development process.
Embodiment 3:
Present embodiment describes below in conjunction with accompanying drawing 1, Fig. 2 and Fig. 5 for simulation solution cavity crack complicated injection-production relation water drive development process.
In the present embodiment, the duct 12 whole shutoff on the said sidewall; Four ducts 12 on another sidewall are communicated with a six-way valve 17 through pipeline, and six-way valve 17 links to each other with displacement pump 18 through pressure duct, and all the other ducts 12 on this sidewall are by shutoff; Said by the filling of the 13 usefulness paraffin of the liner crack between the duct of shutoff, kept (liner crack 13 is for connecting the straight line in said sidewall duct), to form the runner of given shape by the liner crack between the duct 12 of shutoff 13.
The open-work 31 of bottom 3 is all with dead stifled 37 shutoff, and top cover 2 centre open-works 21 are installed simulation wellbore hole 5, extremely stifled 37 shutoff of all the other open-work 21 usefulness.
The utility model simulation solution cavity crack complicated injection-production relation water drive development process is following:
(1) saturated oils experiment:
Connect four ducts 12 and six-way valve 17 of a sidewall through pressure duct, six-way valve 17 links to each other with displacement pump 18, and all the other ducts 12 are all with extremely blocking up 37 shutoff; Simulation wellbore hole 5 links to each other with oil-water metering system 33 through upper switches valve 32.Open the interface that six-way valve 17 links to each other with displacement pump 18; In physical simulation experiment device 100, inject simulated oil through displacement pump 18 with certain injection rate; Up to saturated, close the interface that simulation wellbore hole 5 upper switches valves 32 and six-way valve 17 link to each other with displacement pump 18.
(2) the complicated injection-production relation water drive in solution cavity crack development process simulation:
Open simulation wellbore hole 5 upper switches valves 32; Open the interface that six-way valve 17 links to each other with displacement pump 18; In physical simulation experiment device 100, inject distilled water through displacement pump 18 with certain injection rate; Through the oil mass and the water yield that oil-water metering system 33 metering producing wells are produced, the profit displacement rule of observing containing cavity 4 inside through form 11 simultaneously.
Embodiment 4:
Present embodiment describes below in conjunction with accompanying drawing 1, Fig. 2 and Fig. 6 for simulation seam hole type oil reservoir bottom water drive development process.
In the present embodiment, the duct 12 of said sidewall is all with dead stifled 37 shutoff; Also fill with paraffin fully in said liner crack 13.
All open-works 31 on the bottom 3 are installed simulation wellbore hole 5, inject well with simulation, inject well and link to each other with a six-way valve 17 through pressure duct, and six-way valve 17 links to each other with displacement pump 18 through pressure duct.
Centre open-work 21 is installed simulation wellbore hole 5 ' on the top cover 2, with the simulation producing well; Producing well is communicated with a six-way valve 17 ', and this six-way valve 17 ' one interface is connected with oil-water metering system 33, and another interface links to each other with vacuum pump 34.
The said containing cavity 4 of said particulate porous medium 7 part fillings; Said particulate porous medium 7 is quartz sand or bead.
The utility model simulation seam hole type oil reservoir bottom water drive development process is following:
(1) back-up sand:
Physical simulation experiment device 100 is arranged on the three-dimensional rotation device 50, and swivel bolt 8 takes off top cover 2; The duct 12 that sidewall is communicated with is all with dead stifled 37 shutoff, and open-work 21 installation simulation wellbore holes 5 ' in centre on the top cover 2 are to simulate producing well; All open-works 31 are installed simulation wellbore hole 5 on the bottom 3, inject well with simulation, inject well and link to each other with a six-way valve 17 through pressure duct, three way cock 36, and six-way valve 17 links to each other with displacement pump 18 through pressure duct.A certain amount of particulate porous medium 7 of filling in the containing cavity 4 of physical simulation experiment device 100 is according to this medium 7 of requirement of experiment compacting; Injecting upward dress switch valve 32 of well 5 ', be used for the switch well; Cover top cover 2, tighten swivel bolt 8.
(2) saturated oils experiment:
Through simulation producing well 5 ' the upper switches valve 32 and six-way valve 17 ' in pressure duct connection top cover 2 centres, six-way valve 17 ' each interface links to each other with vacuum pump 34 with oil-water metering system 33 respectively; Open simulation producing well 5 ' upper switches valve 32, open the interface that six-way valve 17 ' links to each other with vacuum pump 34.Opening vacuum pump 34 vacuumizes; Close vacuum pump 34 and corresponding switch valve; Open the interface that bottom six-way valve 17 links to each other with displacement pump 18, in physical simulation experiment device 100, inject simulated oil with certain injection rate,, close analogsimulation pit shaft 5 ' upper switches valve 32 and displacement pump 18 up to saturated through displacement pump 18.
(3) seam hole type oil reservoir bottom water drive development process simulation:
Open simulation producing well 5 ' upper switches valve 32, open the switch valve of six-way valve 17 ' and oil-water metering system 33 connected interfaces; Open the switch valve of bottom six-way valve 17 and displacement pump 18 connected interfaces; In physical simulation experiment device 100, inject a certain amount of distilled water through displacement pump 18 with certain injection rate; Through the oil mass and the water yield that oil-water metering system 33 metering producing wells are produced, the profit displacement rule of observing containing cavity 4 inside through form 11 simultaneously.
Embodiment 5:
Present embodiment describes below in conjunction with accompanying drawing 1, Fig. 2 and Fig. 7 for water drive oil mechanism in the assembly of the complicated seam of research hole.
In the present embodiment, said left side wall has five ducts 12 to link to each other with a six-way valve 17 through pressure duct, and six-way valve 17 another interfaces link to each other with displacement pump 18 through pressure duct; Right side wall has four ducts 12 to link to each other with another six-way valve 17 ' through pressure duct, and six-way valve 17 ' two other interface links to each other with vacuum pump 34 with oil-water metering system 33 respectively; The open-work 21 of remaining sidewall duct 21, top cover 2 and the open-work 31 of bottom 3 are all with dead stifled 37 shutoff.
Said by the filling of the 13 usefulness paraffin of the liner crack between the duct of shutoff, kept (liner crack 13 is for connecting the straight line in said sidewall duct), to form the runner of given shape by the liner crack between the duct 12 of shutoff 13.
Water drive oil mechanism detailed process is following in the assembly of the complicated seam of the utility model research hole:
(1) saturated oils experiment:
Physical simulation experiment device 100 is arranged on the three-dimensional rotation device 50, and swivel bolt 8 takes off top cover 2; Through 5 ducts 21 and six-way valve 17 of pressure duct connection left side wall, six-way valve 17 another interfaces link to each other with displacement pump 18 through pressure duct; 4 ducts 21 and another six-way valve 17 ' that connect right side wall through pressure duct; Six-way valve 17 ' two other interface links to each other with vacuum pump 34 with oil-water metering system 33 respectively, and the open-work 21 of other sidewall ducts, top cover and the open-work 31 of bottom are all with dead stifled 37 shutoff.Liner crack with non-5 ducts 21 of paraffin shutoff left side wall and non-4 ducts 21 of right side wall.Cover top cover 2, tighten swivel bolt 8.Close the switch valve of left side six-way valve 17 and displacement pump 18 connected interfaces, close the switch valve of right side six-way valve 17 ' and oil-water metering system 33 connected interfaces, open the switch valve of right side six-way valve 17 ' and vacuum pump 34 connected interfaces.Open vacuum pump 34 and vacuumize, vacuumize and close vacuum pump 34 and corresponding switch valve after finishing.Open the switch valve of left side six-way valve 17 and displacement pump 18 connected interfaces; In physical simulation experiment device 100, inject simulated oil through displacement pump 18 with certain injection rate; Up to saturated, close the switch valve and the displacement pump 18 of left side six-way valve 17 and displacement pump 18 connected interfaces.
(2) seam hole type oil reservoir bottom water drive development process simulation:
Open the switch valve of left side six-way valve 17 and displacement pump 18 connected interfaces, open the switch valve of right side six-way valve 17 ' and oil-water metering system 33 connected interfaces; In physical simulation experiment device 100, inject a certain amount of distilled water through displacement pump 18 with certain injection rate, through the oil mass and the water yield that oil-water metering system 33 metering producing wells are produced, the profit displacement rule of observing containing cavity 4 inside through form 11 simultaneously.
The utility model seam type oil reservoir independence solution cavity unit, hole physical simulation experiment device, solved existing physical model can't meeting geometric phase Sihe can't Simulation of Complex seam hole annexation shortcoming; This experimental facilities can be communicated with open-work on sidewall duct, top cover and the bottom, use paraffin sealed liner crack through selectivity, implementation model functional diversity and flexibility, and manufacture craft simple, can reuse, greatly reduce experimental cost.
The above is merely the schematic specific embodiment of the utility model, is not in order to limit the scope of the utility model.Any those skilled in the art, equivalent variations of under the prerequisite of design that does not break away from the utility model and principle, having done and modification all should belong to the scope that the utility model is protected.
Claims (10)
1. one kind is stitched type oil reservoir independence solution cavity unit, hole physical simulation experiment device; It is characterized in that: this experimental facilities is made up of a square container; This square container comprises a body, place the top cover of bodies top and place the bottom of body bottom, and body interior constitutes containing cavity; Said body wherein pair of sidewalls is provided with form, and another oppose side wall is evenly distributed with a plurality of respectively and the duct containing cavity conducting, and the inner surface of said another oppose side wall also is respectively equipped with the liner crack, and the duct on said each sidewall is linked to each other by the liner crack; Be evenly distributed with a plurality of open-works that are used to install simulation wellbore hole on said top cover and the bottom respectively.
2. type oil reservoir independence solution cavity unit, seam as claimed in claim 1 hole physical simulation experiment device is characterized in that: be provided with in the said containing cavity by top cover and bottom sealing and press the rubber bush of establishing, be provided with particulate porous medium in the said rubber bush; Form seal chamber between the said rubber bush outside and the body sidewall.
3. type oil reservoir independence solution cavity unit, seam as claimed in claim 1 hole physical simulation experiment device, it is characterized in that: said seal chamber passing hole channel links to each other with an intermediate receptacle with body.
4. according to claim 1 or claim 2 type oil reservoir independence solution cavity unit, seam hole physical simulation experiment device, it is characterized in that: the part duct on the said body sidewall is filled and led up by paraffin by the liner crack between the shutoff duct by optionally shutoff.
5. type oil reservoir independence solution cavity unit, seam as claimed in claim 1 hole physical simulation experiment device is characterized in that: be provided with particulate porous medium in the said containing cavity.
6. type oil reservoir independence solution cavity unit, seam as claimed in claim 5 hole physical simulation experiment device, it is characterized in that: said particulate porous medium is quartz sand or bead.
7. type oil reservoir independence solution cavity unit, seam as claimed in claim 1 hole physical simulation experiment device, it is characterized in that: said square container is arranged on the three-dimensional rotation device.
8. type oil reservoir independence solution cavity unit, seam as claimed in claim 1 hole physical simulation experiment device is characterized in that: the part open-work on said top cover and the bottom is by optionally shutoff.
9. type oil reservoir independence solution cavity unit, seam as claimed in claim 1 hole physical simulation experiment device, it is characterized in that: a simulation wellbore hole is linked in sequence in a switch valve and a displacement pump by body.
10. type oil reservoir independence solution cavity unit, seam as claimed in claim 1 hole physical simulation experiment device, it is characterized in that: another simulation wellbore hole is linked in sequence in six-way valve by body, and said six-way valve links to each other with vacuum pump with the oil-water metering system respectively again.
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| CN2012202679579U CN202596722U (en) | 2012-06-07 | 2012-06-07 | Physical simulation experiment device of fractured-vuggy oil deposit independent karst cave unit |
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| CN2012202679579U CN202596722U (en) | 2012-06-07 | 2012-06-07 | Physical simulation experiment device of fractured-vuggy oil deposit independent karst cave unit |
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| CN103615241A (en) * | 2013-12-10 | 2014-03-05 | 西南石油大学 | Fully-three-dimensional simulated visualized displacement simulation experiment system of fractured-vuggy oil reservoir |
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2012
- 2012-06-07 CN CN2012202679579U patent/CN202596722U/en not_active Expired - Fee Related
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