CN214464128U - Heavy oil reservoir flow mechanism simulation device - Google Patents

Abstract

The utility model discloses a viscous crude oil reservoir flow mechanism simulator, wherein one end of the top of a transparent pipe is fixedly connected with a branch pipe, one end of the branch pipe is fixedly connected with a discharge pipe, one end of the bottom of a shell far away from a protective door is fixedly provided with a storage box body, the middle part of the storage box body is fixedly provided with a filter plate, the bottom end of a steel pipe is fixedly provided with a protective sleeve, and the surface wall of the protective sleeve is provided with a through hole. And the discharged thick oil is filtered and purified again to ensure that the thick oil is kept clean.

Description

Heavy oil reservoir flow mechanism simulation device

Technical Field

The utility model relates to an oil recovery analog device technical field specifically is a viscous crude oil reservoir flow mechanism analogue means.

Background

The heavy oil is crude oil with high content of asphaltene and colloid and high viscosity, and in terms of the exploitation technology, the colloid, the asphaltene and the long-chain paraffin cause the mobility of the crude oil in a reservoir and a shaft to be deteriorated, and a high-investment tertiary oil recovery process method is required to be implemented, so that Chinese patent discloses an in-situ exploitation three-dimensional well pattern experiment simulation device for a heavy oil reservoir, and an ultrasonic generator and a pulse generator are adopted to exploit the heavy oil reservoir in the patent application No. 201820527698.6 so as to further research the flowing and extraction mechanism of the heavy oil reservoir; observing and recording the real-time flowing state of the thick oil in the transparent pipe by adopting a high-speed camera; adopting 4 multiplied by 4 square matrix arrangement to simulate oil extraction of different well patterns and research the oil extraction effect; the inclination angle of the experimental box is changed through the hand wheel, in-situ exploitation of heavy oil reservoirs with different inclination angles is simulated, better experimental data are provided, and a better scheme design basis is further provided for heavy oil reservoir development;

but this patent exists following shortcoming, need place the required grit of simulation exploitation environment in simulation box inside during the experiment, and the steel pipe bore that the experiment used is less, is blockked up by the grit easily, influences the normal flow of viscous crude, leads to the experimental data inaccurate, so the utility model provides a viscous crude oil reservoir flow mechanism analogue means satisfies people's demand.

SUMMERY OF THE UTILITY MODEL

The utility model provides a viscous crude oil reservoir flow mechanism analogue means need place the required grit of simulation exploitation environment in simulation box inside when can effectively solving the experiment that proposes in the above-mentioned background art, and the steel pipe bore that the experiment used is less, is blockked up by the grit easily, influences the normal flow of viscous crude, leads to the unsafe problem of experimental data.

In order to achieve the above object, the utility model provides a following technical scheme: a thick oil reservoir flow mechanism simulation device comprises a shell, wherein one end of the shell is connected with a protective door through a hinge, a simulation box body is fixedly installed inside the shell, a pulse generator is fixedly installed at the top end inside the shell, a camera is fixedly installed on one side wall inside the shell, transparent pipes are fixedly connected with the bottom end of the pulse generator at equal intervals, a connecting sleeve is movably sleeved at the bottom of each transparent pipe, a steel pipe is movably installed at the bottom of the connecting sleeve, an upper sealing ring is fixedly bonded at the bottom end of each transparent pipe, a lower sealing ring is fixedly bonded at the top end of each steel pipe, and rubber sealing gaskets are fixedly installed at positions, corresponding to the steel pipes, of the top of the simulation box body;

the one end fixedly connected with branch pipe at hyaline tube top, the one end fixedly connected with discharge pipe of branch pipe, the one end fixed mounting that the guard gate was kept away from to the casing bottom has the storage box, the middle part fixed mounting who stores the box has the filter, the bottom fixed mounting of steel pipe has the protective sheath, the through-hole has been seted up to the table wall of protective sheath, the bottom of simulation box is provided with the mounting groove, the inside fixed mounting of mounting groove has supersonic generator.

Preferably, all pass through threaded connection between transparent pipe, the steel pipe and the connecting sleeve, the steel pipe runs through in rubber seal pad, the bottom of steel pipe extends to the inside of simulation box.

Preferably, the edges of the upper sealing ring and the lower sealing ring are tightly attached to the inner wall of the connecting sleeve, the camera and the transparent pipe are located on the same vertical plane, and the input ends of the pulse generator, the camera and the ultrasonic generator are electrically connected with the output end of the external power supply.

Preferably, one end of the discharge pipe extends to the inside of the storage tank body, and the bottom end of the discharge pipe is positioned above the filter plate.

Preferably, four corner position departments of casing bottom all fixed mounting have the fixed plate, the middle part movable mounting of fixed plate has movable post, buffer spring has been cup jointed to the bottom of activity post, the bottom fixed mounting of activity post has the connecting plate, the gyro wheel is installed to the bottom of connecting plate, the one end fixedly connected with extension plate of connecting plate, the middle part movable mounting of extension plate has adjusting screw, adjusting screw's bottom fixedly connected with ground connection piece.

Preferably, the adjusting screw rod is in threaded connection with the extension plate, and a rubber pad is fixedly bonded to the bottom end of the grounding block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. be provided with the branch pipe, the discharge pipe, store the box, the filter, protective sheath and through-hole, cooperation through branch pipe and discharge pipe is used, will be discharged to storing the box inside by the inside viscous crude of extracting of simulation box, retrieve, with the used repeatedly who supplies follow-up experiment, cooperation through protective sheath and through-hole is used, guarantee that the viscous crude can smoothly be extracted, and the inside foreign matter that is used for simulating the underground environment of simulation box can not be discharged along with the viscous crude together, make the steel pipe can not blockked up and lead to the unable normal flow of viscous crude, simultaneously, through the use of filter, once more filter purification is carried out to discharged viscous crude, guarantee that the viscous crude keeps clean.

2. Be provided with the hyaline tube, connecting sleeve, the steel pipe, go up the sealing washer, lower seal circle and rubber packing pad, cooperation through connecting sleeve and rubber packing pad is used, be convenient for adjust the position of steel pipe bottom, make the high difference that many steel pipe bottoms locate, the different degree of depth of simulation that can be better is to the adoption of viscous crude, improve the accuracy of experimental data, use through the cooperation of last sealing washer and lower seal circle simultaneously, make the junction between hyaline tube and the steel pipe remain sealed all the time, viscous crude seepage in the avoidance test process.

3. Be provided with buffer spring, the gyro wheel, the extension plate, adjusting screw and ground connection piece, utilize the gyro wheel to be convenient for transport and mobile device to predetermined position department, and buffer spring has played the absorbing effect of buffering to equipment, when guaranteeing to remove and use equipment, equipment remains stable throughout, avoid equipment internals's interconnecting link to drop, use through the cooperation of adjusting screw and ground connection piece simultaneously, the effect of location support has wholly been played to equipment, make equipment position keep unchangeable in the use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the mounting structure of the filter plate of the present invention;

FIG. 3 is a schematic view of the mounting structure of the connecting sleeve of the present invention;

FIG. 4 is a schematic view of the installation structure of the protective sheath of the present invention;

fig. 5 is a schematic view of an installation structure of the extension plate of the present invention;

reference numbers in the figures: 1. a housing; 2. a protective door; 3. simulating a box body; 4. a pulse generator; 5. a camera; 6. a transparent tube; 7. a connecting sleeve; 8. a steel pipe; 9. an upper sealing ring; 10. a lower seal ring; 11. a rubber gasket; 12. a branch pipe; 13. a discharge pipe; 14. a storage box body; 15. a filter plate; 16. a protective sleeve; 17. a through hole; 18. mounting grooves; 19. an ultrasonic generator; 20. a fixing plate; 21. a movable post; 22. a buffer spring; 23. a connecting plate; 24. a roller; 25. an extension plate; 26. adjusting the screw rod; 27. and a grounding block.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-5, the utility model provides a technical scheme, a viscous crude oil reservoir flow mechanism simulation device, comprising a shell 1, one end of the shell 1 is connected with a protective door 2 through a hinge, a simulation box 3 is fixedly arranged in the shell 1, a pulse generator 4 is fixedly arranged at the top end in the shell 1, a camera 5 is fixedly arranged on one side wall in the shell 1, transparent tubes 6 are fixedly connected with the bottom end of the pulse generator 4 at equal intervals, a connecting sleeve 7 is movably sleeved at the bottom of the transparent tubes 6, a steel tube 8 is movably arranged at the bottom of the connecting sleeve 7, an upper sealing ring 9 is fixedly bonded at the bottom end of the transparent tubes 6, a lower sealing ring 10 is fixedly bonded at the top end of the steel tube 8, rubber sealing gaskets 11 are fixedly arranged at positions of the top of the simulation box 3 corresponding to the steel tube 8, the transparent tubes 6, the steel tube 8 are both connected with the connecting sleeve 7 through threads, the steel pipe 8 penetrates through the rubber sealing gasket 11, the bottom end of the steel pipe 8 extends into the simulation box body 3, the edges of the upper sealing ring 9 and the lower sealing ring 10 are tightly attached to the inner wall of the connecting sleeve 7, the position of the bottom end of the steel pipe 8 is convenient to adjust through the matching use of the connecting sleeve 7 and the rubber sealing gasket 11, the bottom ends of the steel pipes 8 are different in height, the thick oil sampling at different depths can be better simulated, the accuracy of experimental data is improved, meanwhile, the upper sealing ring 9 and the lower sealing ring 10 are matched for use, so that the joint between the transparent pipe 6 and the steel pipe 8 is always sealed, the leakage of thick oil in the experimental process is avoided, the camera 5 and the transparent pipe 6 are positioned on the same vertical plane, the camera 5 can directly observe the flowing condition of the thick oil in the transparent pipe 6, and the input ends of the pulse generator 4, the camera 5 and the ultrasonic generator 19 are electrically connected with the output end of an external power supply;

one end of the top of the transparent pipe 6 is fixedly connected with a branch pipe 12, one end of the branch pipe 12 is fixedly connected with a discharge pipe 13, one end of the bottom of the shell 1 far away from the protective door 2 is fixedly provided with a storage box body 14, the middle part of the storage box body 14 is fixedly provided with a filter plate 15, the filter plate 15 is used for filtering and purifying the discharged thick oil again to ensure that the thick oil is kept clean, one end of the discharge pipe 13 extends into the storage box body 14, the bottom end of the discharge pipe 13 is positioned above the filter plate 15, the bottom end of the steel pipe 8 is fixedly provided with a protective sleeve 16, the surface wall of the protective sleeve 16 is provided with a through hole 17, the thick oil extracted from the simulation box body 3 is discharged into the storage box body 14 through the matching use of the branch pipe 12 and the discharge pipe 13 to be recovered for the repeated use of subsequent experiments, and through the matching use of the protective sleeve 16 and the through hole 17 to ensure that the thick oil can be extracted smoothly, foreign matters used for simulating an underground environment in the simulation box body 3 cannot be discharged together with the thick oil, so that the steel pipe 8 cannot be blocked to cause the thick oil to flow normally, a mounting groove 18 is formed in the bottom end of the simulation box body 3, and an ultrasonic generator 19 is fixedly mounted in the mounting groove 18;

the fixed plate 20 is fixedly installed at four corner positions at the bottom end of the shell 1, the movable post 21 is movably installed in the middle of the fixed plate 20, the movable post 21 plays a role in fixing the buffer spring 22, the buffer spring 22 is sleeved at the bottom of the movable post 21, the connecting plate 23 is fixedly installed at the bottom end of the movable post 21, the roller 24 is installed at the bottom of the connecting plate 23, the roller 24 is used for facilitating carrying and moving equipment to a preset position, the buffer spring 22 plays a role in buffering and damping the equipment, the equipment is guaranteed to be always stable when the equipment is moved and used, connection circuits of internal parts of the equipment are prevented from falling off, the extension plate 25 is fixedly connected to one end of the connecting plate 23, the adjusting screw 26 is movably installed in the middle of the extension plate 25, the grounding block 27 is fixedly connected to the bottom end of the adjusting screw 26, and the extension plate 25 are connected through threads, the bottom mounting of ground connection piece 27 has the rubber pad, and rotatory adjusting screw 26 can drive ground connection piece 27 activity from top to bottom, at equipment during operation for ground connection piece 27 laminates with ground mutually, has played the effect that the location supported to equipment is whole, guarantees that gyro wheel 24 can not rock again, makes equipment position in the use remain unchanged.

The utility model discloses a theory of operation and use flow: in the process of using the viscous oil reservoir flow mechanism simulation device, firstly, the roller 24 is utilized to move the device to a preset position, the adjusting screw 26 is screwed, the adjusting screw 26 can drive the grounding block 27 to move downwards until the grounding block 27 is contacted with the ground, the adjusting screw 26 is screwed, the adjusting screw 26 and the grounding block 27 play a positioning role in setting, so that the roller 24 cannot continue to move, the buffer spring 22 can absorb the vibration generated by the device, so that the device is always stable, then, gravels required by simulating the underground environment are filled into the simulation box body 3, viscous oil is injected, the connecting sleeve 7 and the steel pipe 8 are rotated, the position of the bottom end of the steel pipe 8 is adjusted, so that the bottom ends of a plurality of steel pipes 8 are all positioned at different horizontal heights, the influence of different depths on the viscous oil flow can be tested, and the upper sealing ring 9 and the lower sealing ring 10 are always attached to the inner wall of the connecting sleeve 7, the transparent pipe 6, the steel pipe 8 and the connecting sleeve 7 are always kept sealed;

starting an ultrasonic generator 19, increasing temperature of thick oil by sound waves, reducing viscosity after emulsification, injecting a displacing agent into the inside of the simulation box body 3 from the steel pipe 8, driving out the thick oil in sand by the steel pipe 8 through the displacing agent, flowing into the inside of the transparent pipe 6 through the connecting sleeve 7, filtering the thick oil entering the inside of the steel pipe 8 by a protective sleeve 16, enabling the thick oil to pass through a through hole 17, preventing the sand used in the simulation environment from blocking the steel pipe 8, starting the pulse generator 4, enabling the sent pulse to act on the thick oil, improving the flowing capacity of the thick oil, enabling a worker to observe the flowing condition of the thick oil in the inside of the transparent pipe 6 through a camera 5, discharging the thick oil into the storage box body 14 through a branch pipe 12 and a discharge pipe 13, enabling the thick oil to fall on the surface of a filter plate 15, purifying and filtering the thick oil again by the filter plate 15, keeping impurities mixed in the thick oil on the surface of the filter plate 15, the thick oil is collected at the bottom of the storage tank 14 for the next experiment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a heavy oil reservoir flow mechanism analogue means, includes casing (1), its characterized in that: one end of the shell (1) is connected with a protective door (2) through a hinge, a simulation box body (3) is fixedly arranged in the shell (1), a pulse generator (4) is fixedly arranged at the top end inside the shell (1), a camera (5) is fixedly arranged on one side wall inside the shell (1), transparent tubes (6) are fixedly connected with the bottom end of the pulse generator (4) at equal intervals, the bottom of the transparent tube (6) is movably sleeved with a connecting sleeve (7), the bottom of the connecting sleeve (7) is movably provided with a steel tube (8), an upper sealing ring (9) is fixedly bonded at the bottom end of the transparent tube (6), a lower sealing ring (10) is fixedly bonded at the top end of the steel tube (8), rubber sealing gaskets (11) are fixedly arranged at positions, corresponding to the steel pipes (8), of the top of the simulation box body (3);

the utility model discloses a steel pipe, including transparent pipe (6), one end fixedly connected with branch pipe (12) at transparent pipe (6) top, the one end fixedly connected with discharge pipe (13) of branch pipe (12), the one end fixed mounting that protective door (2) were kept away from to casing (1) bottom has storage box (14), the middle part fixed mounting who stores box (14) has filter (15), the bottom fixed mounting of steel pipe (8) has protective sheath (16), through-hole (17) have been seted up to the table wall of protective sheath (16), the bottom of simulation box (3) is provided with mounting groove (18), the inside fixed mounting of mounting groove (18) has supersonic generator (19).

2. The heavy oil reservoir flow mechanism simulation device according to claim 1, wherein the transparent pipe (6) and the steel pipe (8) are in threaded connection with the connecting sleeve (7), the steel pipe (8) penetrates through the rubber sealing gasket (11), and the bottom end of the steel pipe (8) extends into the simulation box body (3).

3. The heavy oil reservoir flow mechanism simulation device according to claim 1, wherein edges of the upper sealing ring (9) and the lower sealing ring (10) are tightly attached to an inner wall of the connecting sleeve (7), the camera (5) and the transparent pipe (6) are located on the same vertical plane, and input ends of the pulse generator (4), the camera (5) and the ultrasonic generator (19) are electrically connected with an output end of an external power supply.

4. The heavy oil reservoir flow mechanism simulation device according to claim 1, wherein one end of the discharge pipe (13) extends to the inside of the storage tank (14), and the bottom end of the discharge pipe (13) is located at a position above the filter plate (15).

5. The heavy oil reservoir flow mechanism simulation device according to claim 1, wherein a fixing plate (20) is fixedly mounted at each of four corner positions of the bottom end of the shell (1), a movable column (21) is movably mounted in the middle of the fixing plate (20), a buffer spring (22) is sleeved at the bottom of the movable column (21), a connecting plate (23) is fixedly mounted at the bottom end of the movable column (21), rollers (24) are mounted at the bottom of the connecting plate (23), an extension plate (25) is fixedly connected to one end of the connecting plate (23), an adjusting screw (26) is movably mounted in the middle of the extension plate (25), and a grounding block (27) is fixedly connected to the bottom end of the adjusting screw (26).

6. The heavy oil reservoir flow mechanism simulator according to claim 5, wherein the adjusting screw rod (26) is in threaded connection with the extension plate (25), and a rubber pad is fixed to the bottom end of the grounding block (27).

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