Full-automatic acquisition unsteady-state relative permeability experimental device

Abstract

The utility model discloses a full-automatic acquisition unsteady-state phase permeability experimental device which comprises a three-axis holder, an outlet pipeline arranged at the bottom of the three-axis holder, an inlet pipeline arranged at the top of the three-axis holder, an inlet liquid path pipeline used for entering of liquid, and an inlet gas path pipeline used for entering of gas. The inlet gas path pipeline is used for gas entering, the inlet valve is used for controlling communication between the inlet liquid path pipeline and the inlet pipeline and communication between the inlet gas path pipeline and the inlet pipeline, and the metering pipe. The three-shaft clamp holder, the inlet pipeline, the inlet liquid path pipeline, the inlet gas path pipeline and the inlet valve are arranged, the inlet valve is arranged at the top end of the inlet pipeline, and the inlet liquid path pipeline and the inlet gas path pipeline are respectively controlled through the inlet valve, so that when liquid or gas is input, the liquid or the gas can be conveyed into the liquid or the gas, and the liquid or the gas can be conveyed into the liquid or the gas. The gas or the liquid does not share the pipeline, so that the problem of volume correction caused when the gas and the liquid are input by sharing the pipeline is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil and gas field development technical field, especially in a kind of full-automatic acquisition non-steady phase permeameter device. BACKGROUND

[0002] When non-steady phase permeameter test, triaxial core holder is needed, for simulating real geological conditions in laboratory environment, various physical and chemical properties of core sample are tested.

[0003] The top and bottom of conventional triaxial core holder are composed of inlet and outlet respectively, when liquid or gas is imported, the same inlet is used, however, the volume of gas and liquid is different, so volume calibration is needed for inlet every time liquid or gas is imported, to ensure the pressure of core sample, volume adjustment is needed every time liquid or gas is imported, which leads to inconvenient use of holder. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of full-automatic acquisition non-steady phase permeameter device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of full-automatic acquisition non-steady phase permeameter device, including triaxial holder, the bottom of the triaxial holder is provided with outlet pipeline, the top of the triaxial holder is provided with inlet pipeline, further including:

[0006] Inlet liquid path pipeline, the inlet liquid path pipeline is used for the entry of liquid, and the inlet liquid path pipeline is arranged at the top end of the inlet pipeline;

[0007] Inlet gas path pipeline, the inlet gas path pipeline is used for the entry of gas, and the inlet gas path pipeline is arranged at the top end of the inlet pipeline;

[0008] Inlet valve, the inlet valve is used to control the communication of inlet liquid path pipeline and inlet gas path pipeline with inlet pipeline, and the inlet valve is arranged at the top end of the inlet pipeline;

[0009] Metering pipe, the metering pipe is arranged at the bottom end of the triaxial holder, and the metering pipe is used for liquid level metering.

[0010] Preferably, the bottom end of the inlet liquid path pipeline and the inlet gas path pipeline is connected with the input port of the inlet valve in penetration, the output port of the inlet valve is connected with the top end of the inlet pipeline in penetration, the bottom end of the inlet pipeline is connected with the top end of the triaxial holder in penetration, and the bottom end of the triaxial holder is connected with the top end of the outlet pipeline in penetration.

[0011] Preferably, the top of the metering pipe is provided with an upper cover, and the top end of the upper cover is connected with the bottom end of the outlet pipeline.

[0012] Preferably, one side of the upper cover is connected with a branch pipeline, and one end of the branch pipeline is provided with a humidity meter.

[0013] Preferably, the bottom end of the metering pipe is provided with a base, and the bottom end of the base is provided with a lifting platform for adjusting the height of the metering pipe.

[0014] Preferably, one side of the base is connected with a drainage pipeline, and the outer wall of one end of the drainage pipeline is sleeved with a drainage valve for controlling the flow of the drainage pipeline.

[0015] Preferably, one side of the metering pipe is provided with a camera for shooting the liquid level of the metering pipe, one end of the camera is provided with a moving module for driving the camera to move, and the other side of the metering pipe is provided with a backlight lamp for providing backlight.

[0016] The technical effects and advantages of the utility model are as follows:

[0017] The utility model discloses a three-axis holder, inlet pipeline, inlet liquid pipeline, inlet gas pipeline and the setting of inlet valve, through the setting of inlet valve at the top end of inlet pipeline, and through inlet valve control inlet liquid pipeline and inlet gas pipeline respectively, so that when inputting liquid or gas, gas or liquid does not share pipeline, so that the problem of volume correction caused by sharing pipeline when inputting gas and liquid can be saved, and the bottom of three-axis holder is directly communicated with metering pipe without extra pipeline, thereby reducing the outlet dead volume of three-axis holder. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model.

[0019] In the drawing: 1, backlight lamp, 2, lifting platform, 3, base, 4, metering pipe, 5, upper cover, 6, outlet pipeline, 7, branch pipeline, 8, camera, 9, moving module, 10, drainage pipeline, 11, drainage valve, 12, three-axis holder, 13, humidity meter, 14, inlet pipeline, 15, inlet valve, 16, inlet liquid pipeline, 17, inlet gas pipeline. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] The utility model provides a kind of full-automatic acquisition non-steady phase permeameter as Figure 1 As shown in a kind of full-automatic acquisition non-steady phase permeameter, including triaxial holder 12, the bottom of triaxial holder 12 is provided with outlet pipeline 6, the top of triaxial holder 12 is provided with inlet pipeline 14, still include:

[0022] Inlet liquid path pipeline 16, inlet liquid path pipeline 16 is used for the entry of liquid, inlet liquid path pipeline 16 is arranged at the top end of inlet pipeline 14;

[0023] Inlet gas path pipeline 17, inlet gas path pipeline 17 is used for the entry of gas, inlet gas path pipeline 17 is arranged at the top end of inlet pipeline 14;

[0024] Inlet valve 15, inlet valve 15 is used to control the communication of inlet liquid path pipeline 16 and inlet gas path pipeline 17 with inlet pipeline 14, inlet valve 15 is arranged at the top end of inlet pipeline 14;

[0025] Metering pipe 4, metering pipe 4 is arranged at the bottom end of triaxial holder 12, and metering pipe 4 is used for liquid level metering.

[0026] Specifically, the bottom end of inlet liquid path pipeline 16 and inlet gas path pipeline 17 is connected with the input port of inlet valve 15 respectively, the output port of inlet valve 15 is connected with the top end of inlet pipeline 14, the bottom end of inlet pipeline 14 is connected with the top end of triaxial holder 12, and the bottom end of triaxial holder 12 is connected with the top end of outlet pipeline 6.

[0027] Further, the working principle of inlet valve 15 is the same as that of the existing two-outlet water distribution valve, the water inlet end of the water distribution valve is changed into the output end of inlet valve 15, the water outlet end of the water distribution valve is changed into the input end of inlet valve 15, and the valves on the two sides of inlet valve 15 control the flow communication of inlet liquid path pipeline 16 and inlet gas path pipeline 17 with inlet pipeline 14 respectively, triaxial holder 12 is the existing triaxial core holder, the core sample is placed in triaxial holder 12, triaxial holder 12 provides axial and radial pressure for the core, simulates the triaxial stress state of the core in the well, when it is needed to inject gas or liquid into triaxial holder 12, injection is carried out through inlet gas path pipeline 17 or inlet liquid path pipeline 16 respectively, so that separate pipe injection is realized, the volume calibration problem caused by shared pipeline is avoided, and the workload and time of the experiment are reduced.

[0028] Specifically, the top of the metering pipe 4 is provided with an upper cover 5, the top end of the upper cover 5 is connected with the bottom end of the outlet pipeline 6 in a penetrating manner, the bottom end of the metering pipe 4 is provided with a base 3, the bottom end of the base 3 is provided with a lifting platform 2 for adjusting the height of the metering pipe 4, one side of the upper cover 5 is connected with a branch pipeline 7 in a penetrating manner, and one end of the branch pipeline 7 is provided with a wet gas meter 13.

[0029] Further, the outlet of the three-axis gripper 12 is connected with the upper cover 5 through the outlet pipeline 6, the upper cover 5 is connected with the branch pipeline 7 at the same time, after the gas-liquid separation is completed at the top of the metering pipe 4, the liquid enters the metering pipe 4, and the gas enters the wet gas meter 13 through the branch pipeline 7 for metering, the base 3 is placed on the lifting platform 2, the lifting platform 2 can adjust the position of the metering pipe 4, so that the metering pipe 4 is closest to the outlet of the three-axis gripper 12 without extra pipeline, thereby reducing the dead volume of the outlet of the three-axis gripper 12.

[0030] Specifically, one side of the base 3 is connected with a liquid discharge pipeline 10 in a penetrating manner, the outer wall of one end of the liquid discharge pipeline 10 is sleeved with a liquid discharge valve 11 for controlling the flow of the liquid discharge pipeline 10, one side of the metering pipe 4 is provided with a camera 8 for shooting the liquid level of the metering pipe 4, one end of the camera 8 is provided with a moving module 9 for driving the camera 8 to move, and the other side of the metering pipe 4 is provided with a backlight lamp 1 for providing backlight.

[0031] Further, the metering pipe 4 is connected with the base 3, the base 3 is provided with the liquid discharge pipeline 10 and the liquid discharge valve 11, so that the excess liquid can be discharged, the backlight lamp 1 provides backlight, the camera 8 is connected to the output end of the moving module 9, the moving module 9 is a linear motion module, and can move linearly up and down, through the existing video recognition technology, the center of the camera 8 and the lowest point of the liquid level concave surface in the metering pipe 4 are in the same plane, so that the camera 8 can shoot, the liquid level in the metering pipe 4 is identified through the scale of the metering pipe 4, then the camera 8 is automatically moved along with the moving module 9, the change of the liquid volume in the metering pipe 4 is recorded in real time, and the automatic metering of the gas and the liquid in the whole gas-liquid unsteady-state relative permeability experiment is realized.

[0032] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A fully automated experimental device for collecting unsteady-state phase permeation data, comprising a triaxial clamp (12), wherein an outlet pipeline (6) is provided at the bottom of the triaxial clamp (12), and an inlet pipeline (14) is provided at the top of the triaxial clamp (12), characterized in that, Also includes: An inlet liquid line (16) is used for the entry of liquid, and the inlet liquid line (16) is located at the top of the inlet line (14); An inlet gas line (17) is used for the entry of gas and is located at the top of the inlet line (14). An inlet valve (15) is used to control the connection between the inlet liquid line (16) and the inlet gas line (17) and the inlet line (14). The inlet valve (15) is located at the top of the inlet line (14). Measuring tube (4) is located at the bottom of the triaxial clamp (12) and is used for liquid level measurement.

2. The fully automated experimental device for collecting unsteady-state phase permeation data according to claim 1, characterized in that, The bottom ends of the inlet liquid line (16) and the inlet gas line (17) are respectively connected to the inlet port of the inlet valve (15), the outlet port of the inlet valve (15) is connected to the top end of the inlet line (14), the bottom end of the inlet line (14) is connected to the top end of the triaxial clamp (12), and the bottom end of the triaxial clamp (12) is connected to the top end of the outlet line (6).

3. The fully automated experimental device for collecting unsteady-state phase permeation data according to claim 1, characterized in that, The metering tube (4) is provided with a top cover (5), and the top of the top cover (5) is connected to the bottom of the outlet pipeline (6).

4. The fully automated experimental device for collecting unsteady-state phase permeation data according to claim 3, characterized in that, A branch line (7) is connected through one side of the upper cover (5), and a moisture meter (13) is installed at one end of the branch line (7).

5. The fully automated experimental device for collecting unsteady-state phase permeation data according to claim 3, characterized in that, The bottom end of the metering tube (4) is provided with a base (3), and the bottom end of the base (3) is provided with a lifting platform (2) for adjusting the height of the metering tube (4).

6. The fully automated experimental apparatus for collecting unsteady-state phase permeation data according to claim 5, characterized in that, A drain line (10) is connected through one side of the base (3), and a drain valve (11) for controlling the flow of the drain line (10) is sleeved on the outer wall of one end of the drain line (10).

7. The fully automated experimental device for collecting unsteady-state phase permeation data according to claim 3, characterized in that, A camera (8) for photographing the liquid level of the metering tube (4) is provided on one side of the metering tube (4), and a moving module (9) for moving the camera (8) is provided at one end of the camera (8), and a backlight (1) for providing backlight is provided on the other side of the metering tube (4).

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