CN210775121U

CN210775121U - Low-permeability reservoir oil-water mobility experimental device under oil reservoir state

Info

Publication number: CN210775121U
Application number: CN201921787525.9U
Authority: CN
Inventors: 盛悦; 李龙龙; 王梦尧; 庞礴; 乔淼瑛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-16
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to an oil reservoir experimental facilities technical field just discloses a hyposmosis reservoir profit mobility experimental apparatus under oil reservoir state, which comprises a base, be provided with a piston section of thick bamboo on the base, the transparent setting of piston section of thick bamboo outward appearance, and be provided with the scale on the piston section of thick bamboo, vent pipe has been seted up to the upper end of a piston section of thick bamboo, and is provided with the manometer on the vent pipe, vent pipe's one end is connected with the trachea, tracheal one end fixedly connected with pressure boost air pump, and the gas outlet fixed connection of trachea and pressure boost air pump, fixed connection between pressure boost air pump and the base, be provided with the piston in the piston section of thick bamboo, be provided with oil inlet pipe on one side. The experimental device for the oil-water fluidity of the low-permeability reservoir in the oil reservoir state can visually see the volume of oil and water in the piston cylinder in unit time under certain pressure, so that the oil-water fluidity is calculated, and the experimental device is convenient and fast.

Description

Low-permeability reservoir oil-water mobility experimental device under oil reservoir state

Technical Field

The utility model relates to an oil reservoir experimental facilities technical field specifically is a hyposmosis reservoir profit mobility experimental apparatus under oil reservoir state.

Background

The oil reservoir refers to the basic accumulation of oil with the same pressure system in a single trap, and if only oil is accumulated in one trap, the oil reservoir is called the oil reservoir; detect out mobility of profit under the oil reservoir state and can help better exploitation oil, but current experimental apparatus adopts hydraulic mode to provide pressure, and it is heavier to lead to the general volume of equipment like this, and it is inconvenient to remove, and the experiment is not visual enough simultaneously, needs to obtain mobility again after weighing the calculation to the oil mass of infiltration out, and it is very troublesome to operate, makes mistakes easily when the step is more simultaneously, wastes time and energy and the error is great.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a hyposmosis reservoir profit mobility experimental apparatus under oil reservoir state possesses the weight and lightly, and it is convenient to detect, and the rock stratum that can alternate the experiment simultaneously and different pressure environment look over advantages such as mobility directly perceivedly, have solved the problem that the background art provided.

(II) technical scheme

For realizing above-mentioned weight is light, it is convenient to detect, can alternate the purpose of the rock stratum and different pressure environment advantage such as mobility of experiment simultaneously directly perceivedly, the utility model provides a following technical scheme: an oil-water fluidity experimental device for a low-permeability reservoir under an oil reservoir state comprises a base, wherein a piston cylinder is arranged on the base, the piston cylinder is transparent in appearance, scales are arranged on the piston cylinder, an air pipe is arranged at the upper end of the piston cylinder, a pressure gauge is arranged on the air pipe, one end of the air pipe is connected with an air pipe, one end of the air pipe is fixedly connected with a booster air pump, the air pipe is fixedly connected with an air outlet of the booster air pump, the booster air pump is fixedly connected with the base, a piston is arranged in the piston cylinder, an oil inlet pipeline is arranged on one side wall of the piston cylinder, an oil outlet pipeline is arranged on one side wall of the piston cylinder, the cross section of the oil outlet pipeline is square, a socket is arranged on the oil outlet pipeline, a clamp plate is arranged in the socket, a rock layer is arranged in the middle of the, and the oil outlet pipeline is communicated with the oil collecting pipeline, and one end of the oil collecting pipeline is fixedly connected with an oil collecting tank.

Preferably, the side wall of the upper end of the piston cylinder is provided with an air outlet pipeline, and the air outlet pipeline is provided with an air valve.

Preferably, a sealing device is arranged at a socket position on the oil outlet pipeline, and the sealing device is a sealing cover with a sealing ring.

Preferably, the clamping plate is provided with a pulling block, and the outer side wall of the pulling block is provided with anti-skid grains.

Preferably, the rock layer inlays to be established at the middle part of splint, and rotates on the lateral wall of one side of splint and is connected with the pin.

Preferably, the oil collecting pipeline is connected with the side wall of the oil collecting tank through threads, and an oil discharge port is formed in the side wall of the oil collecting tank.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of mobility experimental apparatus of hyposmosis reservoir profit under oil reservoir state, the transparent piston barrel that has the scale through setting up can be seen out directly perceivedly under certain pressure, the volume that the interior oil and water of piston barrel reduced in the unit interval to calculate the mobility that reachs the profit, convenient and fast.

2. This kind of hyposmosis reservoir profit mobility experimental apparatus under oil reservoir state through the mode of gas supply pressure, has replaced current hydraulic pressure, has reduced the weight of hydraulic oil, has reduced the whole weight of equipment, lets the experimental facilities be convenient for transport and remove.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

fig. 3 is a schematic view of the connection structure between the splint and the rock layer according to the present invention;

in the figure: 1. a base; 2. a pressurization air pump; 3. an air tube; 4. an air duct; 5. a pressure gauge; 6. a piston cylinder; 7. an oil outlet pipeline; 8. an oil collecting pipe; 9. an oil collecting tank; 10. an oil inlet pipeline; 11. an air outlet pipe; 12. a splint; 13. a sealing device; 14. a piston; 15. a rock layer; 16. pulling the block; 17. a stop lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an oil-water fluidity testing device for a low permeability reservoir under an oil reservoir state comprises a base 1, a piston cylinder 6 is arranged on the base 1, the piston cylinder 6 is transparent in appearance, scales are arranged on the piston cylinder 6, an air pipe 4 is arranged at the upper end of the piston cylinder 6, a pressure gauge 5 is arranged on the air pipe 4, an air pipe 3 is connected at one end of the air pipe 4, a booster pump 2 is fixedly connected at one end of the air pipe 3, the air pipe 3 is fixedly connected with an air outlet of the booster pump 2, the booster pump 2 is fixedly connected with the base 1, a piston 14 is arranged in the piston cylinder 6, an air outlet pipe 11 is arranged on the upper end side wall of the piston cylinder 6, a gas valve is arranged on the air outlet pipe 11, gas in the piston cylinder 6 can be safely and quickly discharged after an experiment is finished through the arranged gas valve, an oil inlet pipe 10 is, and be provided with oil outlet pipe 7 on the lateral wall of piston tube 6 one side, and oil outlet pipe 7's cross-section is square setting, be provided with the socket on the oil outlet pipe 7, and be provided with splint 12 in the socket, the socket position on the oil outlet pipe 7 is provided with sealing device 13, sealing device 13 is the sealed lid that has the sealing washer, the sealing device 13 of setting can prevent that the profit from leaking from the socket and then influencing the experimental data, splint 12's middle part is provided with lithosphere 15, lithosphere 15 inlays and establishes at splint 12's middle part, and it is connected with pin 17 to rotate on splint 12's the lateral wall of one side, pin 17 of setting can prevent roll-off splint 12 when lithosphere 15 receives great pressure, be provided with on splint 12 and draw piece 16, and set up anti-skidding line on the lateral wall of. The piece 16 that draws of setting can be convenient for the experimenter to take out splint 12, thereby be convenient for change lithosphere 15 and gain multiunit data, oil outlet pipe 7's one end welding has oil collecting pipe 8, and oil outlet pipe 7 is linked together with oil collecting pipe 8, oil collecting pipe 8's one end fixedly connected with oil sump tank 9, pass through threaded connection between oil collecting pipe 8 and oil sump tank 9's the lateral wall, and set up the oil discharge opening on oil sump tank 9's the lateral wall, the threaded connection through setting can be convenient for the installation and the dismantlement of oil sump tank 9, the oil water of collection can be transferred out to the oil discharge opening simultaneously under the condition of oil sump tank 9 not taking off, be convenient for the.

The working principle is as follows: an operator injects oil and water into the piston cylinder 6 through the oil inlet pipeline 10, then closes the oil inlet pipeline 10, selects a proper rock layer to be embedded into the clamping plate 12, shifts the stop lever 17 to limit the rock layer 15 in the clamping plate 12, then inserts the clamping plate 12 into the socket in the oil outlet pipeline 7, fixes the sealing device 13, opens the booster pump 2, gas enters the piston cylinder 6 through the

gas pipes

3 and 4, pushes the piston to move downwards and far, and further extrudes the oil and water to pass through the oil outlet pipeline 7, after a certain time, an experimenter obtains the volume of oil and water change by observing the scales on the piston cylinder 6, then obtains a group of data of oil and water fluidity according to the sectional area of the rock layer 15 and a liquid flow calculation formula, obtains a plurality of groups of data by changing different pressures, and obtains the oil and water fluidity of different positions under an oil reservoir state through experiments by changing different rock layers 15, the operation is convenient and fast;

further, after the experiment, pull out splint 12, emit the profit of experiment usefulness, open the gas valve on 11 simultaneously, safe swift gas that emits, equipment weight resumes, because gas weight is lighter, removal and transport that can be lighter.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The oil-water flowability experimental device for the low-permeability reservoir under the oil reservoir state comprises a base (1) and is characterized in that a piston cylinder (6) is arranged on the base (1), the piston cylinder (6) is transparent in appearance, scales are arranged on the piston cylinder (6), an air pipe (4) is arranged at the upper end of the piston cylinder (6), a pressure gauge (5) is arranged on the air pipe (4), an air pipe (3) is connected to one end of the air pipe (4), a booster air pump (2) is fixedly connected to one end of the air pipe (3), the air pipe (3) is fixedly connected with an air outlet of the booster air pump (2), the booster air pump (2) is fixedly connected with the base (1), a piston (14) is arranged in the piston cylinder (6), and an oil inlet pipeline (10) is arranged on one side wall of the piston cylinder (6), and be provided with oil outlet pipeline (7) on piston cylinder (6) one side lateral wall, and the cross-section of oil outlet pipeline (7) is square setting, be provided with the socket on oil outlet pipeline (7), and be provided with splint (12) in the socket, the middle part of splint (12) is provided with lithosphere (15), the one end welding of oil outlet pipeline (7) has oil collecting pipe (8), and oil outlet pipeline (7) is linked together with oil collecting pipe (8), the one end fixedly connected with sump oil tank (9) of oil collecting pipe (8).

2. The experimental device for oil-water fluidity of low-permeability reservoir under oil reservoir state according to claim 1, characterized in that: the upper end side wall of the piston cylinder (6) is provided with an air outlet pipeline (11), and an air valve is arranged on the air outlet pipeline (11).

3. The experimental device for oil-water fluidity of low-permeability reservoir under oil reservoir state according to claim 1, characterized in that: a socket position on the oil outlet pipeline (7) is provided with a sealing device (13), and the sealing device (13) is a sealing cover with a sealing ring.

4. The experimental device for oil-water fluidity of low-permeability reservoir under oil reservoir state according to claim 1, characterized in that: the clamping plate (12) is provided with a pulling block (16), and the outer side wall of the pulling block (16) is provided with anti-skid grains.

5. The experimental device for oil-water fluidity of low-permeability reservoir under oil reservoir state according to claim 1, characterized in that: the rock layer (15) is embedded in the middle of the clamping plate (12), and a stop lever (17) is rotatably connected to the side wall of one side of the clamping plate (12).

6. The experimental device for oil-water fluidity of low-permeability reservoir under oil reservoir state according to claim 1, characterized in that: the oil collecting pipeline (8) is connected with the side wall of the oil collecting tank (9) through threads, and an oil discharging port is formed in the side wall of the oil collecting tank (9).