CN203362126U - Core reservoir oil displacement experimental device - Google Patents

Abstract

The utility model discloses a core reservoir oil displacement experimental device which comprises a displacement device, a fat oil experimental device and a saturated water experimental device. The core reservoir oil displacement experimental device is reasonable in structure, good in working performance, and capable of achieving different experiments of water flooding, polymer flooding and combination flooding and the like.

Description

Core flooding experimental device

technical field

The utility model relates to a rock core flooding experiment device.

Background technique

The existing core flooding experimental device has complex structure and unsatisfactory working effect, which needs further improvement.

Contents of the invention

The purpose of the utility model is to provide a rock core flooding experimental device with reasonable structure, good working performance and easy operation.

The technical solution of the utility model is:

A core oil displacement experimental device, including a displacement device, a saturated oil experimental device, and a saturated water experimental device, is characterized in that: the displacement device includes a liquid storage bottle connected to a pump, and the pump is connected to a plurality of pistons through a liquid inlet pipeline. The lower chamber of the piston-type container communicates with the lower chamber, and a liquid inlet valve is provided on the liquid inlet pipe. The upper chamber of the piston-type container is filled with reagents, and the upper chamber of the piston-type container communicates with the holder through the liquid outlet pipe. There is a discharge valve on the top, a discharge pipe is provided at the outlet of the gripper, and a discharge control valve is provided on the discharge pipe;

The saturated oil experimental device includes a liquid storage bottle connected to a pump, the pump communicates with the lower chambers of a plurality of piston-type containers through liquid inlet pipes, a liquid inlet valve is arranged on the liquid inlet pipes, and the upper chamber of the piston-type containers is equipped with There is oil, and the upper cavity of the piston container communicates with the holder through the oil outlet pipeline, and a discharge valve is provided on the oil outlet pipeline, and an oil discharge pipeline is provided at the outlet of the holder, and an oil discharge control valve is provided on the oil discharge pipeline ;

The saturated water experiment device includes a pump, the pump communicates with the upper cavity of a plurality of piston-type containers through the liquid inlet pipeline, a liquid inlet valve is arranged on the liquid inlet pipeline, water is housed in the lower chamber of the piston-type container, and the piston-type The lower cavity of the container communicates with the holder through the water outlet pipe, and a discharge valve is arranged on the water outlet pipe, and a drainage pipe is arranged at the outlet of the holder, and a drainage control valve is arranged on the drainage pipe; a vacuum pump is connected to the drainage pipe.

The holder in the displacement device and the holder in the saturated oil experiment device are all connected with ring pressure devices.

Each piston container is equipped with a pressure acquisition instrument, and each holder is equipped with a temperature sensor. The pressure acquisition instrument and temperature sensor are connected to the control system, and the control system is connected to each pump and valve to control the work of each pump and valve. .

The utility model has the advantages of reasonable structure, good working performance and convenient use, and can realize different experiments such as water flooding, polymer flooding, compound flooding and the like.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a schematic structural view of an embodiment of the utility model.

Detailed ways

A kind of core flooding experimental device, comprises displacing device 1, saturated oil experimental device 2, saturated water experimental device 3; Described displacing device comprises the liquid storage bottle 5 that is connected with pump 4, and pump is connected with a plurality of The lower cavity of the piston container 6 is connected, and a liquid inlet valve 7 is arranged on the liquid inlet pipeline. Reagents are housed in the upper cavity of the piston container, and the upper cavity of the piston container communicates with the holder 9 through the liquid outlet pipeline. A discharge valve 8 is provided on the liquid outlet pipe, a liquid discharge pipe is provided at the outlet of the holder, and a liquid discharge control valve 10 is provided on the liquid discharge pipe;

Described saturated oil experimental device comprises the liquid storage bottle 12 that is connected with pump 11, and pump communicates with the lower cavity of a plurality of piston type containers 13 through liquid inlet pipeline, is provided with liquid inlet valve 14 on the liquid inlet pipeline, and the piston type container Oil is housed in the upper cavity, and the upper cavity of the piston container communicates with the holder 15 through the oil outlet pipeline, and the oil outlet pipeline is provided with a discharge valve 16, and the holder outlet is provided with an oil discharge pipeline, and the oil discharge pipeline is provided with an oil discharge pipeline. An oil discharge control valve 17 is provided;

Described saturated water experimental device comprises pump 18, and pump communicates with the upper chamber of a plurality of piston-type containers 19 through liquid inlet pipeline, is provided with liquid inlet valve 20 on the liquid inlet pipeline, and water is housed in the lower cavity of piston-type container, And the lower cavity of the piston type container communicates with the clamper 21 through the water outlet pipeline, is provided with a drain valve 22 on the water outlet pipeline, is provided with a drainage pipeline at the outlet of the clamper, and is provided with a drainage control valve 23 on the drainage pipeline; There is a vacuum pump 28 .

The holder in the displacement device and the holder in the saturated oil experiment device are respectively connected with ring pressure devices 24 and 25 .

Each piston container is provided with a pressure acquisition instrument 26, and each holder is provided with a temperature sensor 27. The pressure acquisition instrument and temperature sensor are connected with the control system, and the control system is connected with each pump and valve to control each pump and valve. work.

During the experiment, the vacuum pump 28 was used to evacuate first, then the saturated water test was carried out, then the saturated oil test was carried out, and finally the displacement test was carried out.

Claims (3)

1. a rock core oil displacement experiment device, comprise driving device, saturated oils experimental facilities, saturated water test device, it is characterized in that: described driving device comprises the liquid storage bottle be connected with pump, pump communicates with the cavity of resorption of a plurality of piston type containers by input duct, be provided with liquid feed valve on input duct, in the epicoele of piston type container, reagent is housed, and the epicoele of piston type container communicates with clamper by the fluid pipeline, be provided with valve on the fluid pipeline, the clamper outlet is provided with Drainage pipe, and Drainage pipe is provided with the discharge opeing control valve;

Described saturated oils experimental facilities comprises the liquid storage bottle be connected with pump, pump communicates with the cavity of resorption of a plurality of piston type containers by input duct, be provided with liquid feed valve on input duct, in the epicoele of piston type container, oil is housed, and the epicoele of piston type container communicates with clamper by flowline, be provided with valve on flowline, the clamper outlet is provided with oil-drain pipe, and oil-drain pipe is provided with the oil extraction control valve;

Described saturated water test device comprises pump, pump communicates with the epicoele of a plurality of piston type containers by input duct, be provided with liquid feed valve on input duct, in the cavity of resorption of piston type container, water is housed, and the cavity of resorption of piston type container communicates with clamper by outlet conduit, be provided with valve on outlet conduit, the clamper outlet is provided with drainage pipe, and drainage pipe is provided with draining control valve; Be connected to vacuum pump on drainage pipe.

2. rock core oil displacement experiment device according to claim 1, it is characterized in that: the clamper in the clamper in driving device, saturated oils experimental facilities all is connected to the ring pressure device.

3. rock core oil displacement experiment device according to claim 1 and 2, it is characterized in that: on each piston type container, be provided with the pressure acquisition instrument, be provided with temperature pick up on each clamper, pressure acquisition instrument, temperature pick up are connected with control system, control system is connected with each pump, valve, controls the work of each pump, valve.

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