Drilling fluid sedimentation stability testing device

Abstract

The utility model discloses a drilling fluid sedimentation stability testing device which comprises a fluid taking container, the bottom of the fluid taking container is fixedly connected with a fluid taking pipe, the fluid taking pipe is provided with a fluid taking valve, the side face of the fluid taking pipe is fixedly connected with a connector, the bottom of the connector is fixedly connected with a negative pressure device, the connector is provided with a negative pressure valve, and the negative pressure device is provided with a negative pressure valve. A liquid conveying pipe is fixedly connected to the side face of the liquid taking container, and a connecting valve is arranged on the liquid conveying pipe; the upper surface of the base is in threaded connection with a heat preservation barrel, the top of the heat preservation barrel is movably connected with a heat preservation cover, the upper surface of the heat preservation cover is fixedly connected with a power device, and the output end of the power device is fixedly connected with a stirring device. By means of the structure, the sample amount of the detected drilling fluid can be controlled at any time, the operation complexity is reduced, and whether the density of the drilling fluid changes or not under the high-temperature condition is detected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stability test, especially relates to a drilling fluid sedimentation stability testing device. BACKGROUND

[0002] The existing drilling fluid sedimentation stability testing device, because liquid fluidity is strong, different levels of drilling fluid sampling is inconvenient, cannot guarantee the accuracy of data, and the experiment needs to be repeated to take different levels of samples, so that the rigorousness and accuracy of the test data are lost, such as the patent "drilling fluid sedimentation stability testing device" disclosed in China, the application number of which is "CN201921445850.7", the stirring device is arranged, the inner magnetic cylinder is driven to rotate through the outer magnetic cylinder, and then the stirring rod is driven to rotate, the liquid in the stirring cylinder body is stirred, the heating efficiency is improved, the experimental time is shortened, and after the stirring device is additionally arranged, the peripheral surface of the cylinder body is still static sealing, the leakage risk is small, and the safety is high, but during the liquid taking process, different levels of drilling fluid sampling is inconvenient, and the accuracy of data cannot be guaranteed. SUMMARY

[0003] The utility model discloses a drilling fluid sedimentation stability testing device, which realizes the sampling work of drilling fluid by arranging a liquid taking container, a liquid taking pipe, a negative pressure device and a connector, controls the sample amount of the drilling fluid to be detected at any time, and reduces the operation complexity by arranging three valves, i.e., a connecting valve, a negative pressure valve and a liquid taking valve, to facilitate the control of the circulation and cutoff of liquid taking.

[0004] The utility model discloses still provide with above -mentioned drilling fluid sedimentation stability testing device, include: liquid taking container, the liquid taking container bottom fixed connection has liquid taking pipe, be provided with liquid taking valve on the liquid taking pipe, liquid taking pipe side fixed connection has connector, the connector bottom fixed connection has negative pressure device, be provided with negative pressure valve on the connector, liquid taking container side fixed connection has liquid delivery pipe, be provided with connecting valve on the liquid delivery pipe, base, the base upper surface thread connection has heat preservation cylinder, heat preservation lid is movably connected to the heat preservation cylinder top, the power device is fixedly connected to the heat preservation lid upper surface, the power device output end fixedly connected with stirring device, through above device, realized the control of the sample amount of the drilling fluid to be detected at any time, reduced the operation complexity, detected whether the density of drilling fluid under high temperature condition changes.

[0005] The utility model discloses a drilling fluid sedimentation stability testing device, the base upper surface fixedly connected with heating cylinder, heating cylinder side surface fixedly connected with heat pipe, through above device, can detect the stability of drilling fluid sedimentation under high temperature.

[0006] The utility model discloses a drilling fluid sedimentation stability testing device, the heat preservation cover is provided with the communicating hole, and the output end of the communicating hole is connected with the connecting pipe, and through the above device, the liquid taking device and the stirring device are communicated.

[0007] The utility model discloses a drilling fluid sedimentation stability testing device, the base and heat preservation cylinder fixed connection part have the threaded sleeve, and through the above device, the heat preservation cylinder and the base are closely connected and the effect of detachable.

[0008] The utility model discloses a drilling fluid sedimentation stability testing device, and the power device is rotary motor, and the rotary motor output fixedly connected with telescopic link, and the telescopic link away from rotary motor's one end fixedly connected with the stirring vane, through above device, realize the effect that the telescopic link is powered, drive the stirring vane rotation, and the drilling fluid is stirred.

[0009] The utility model discloses a drilling fluid sedimentation stability testing device, and the heating cylinder top fixedly connected with heating cover, and the heat preservation cylinder is in the heating cylinder interior, and through above device, realize the heat preservation effect of the drilling fluid being stirred.

[0010] The utility model discloses a drilling fluid sedimentation stability testing device, and the stirring device is telescopic link, and the telescopic link away from rotary motor's one end fixedly connected with the stirring vane, and through above device, realize the effect that the drilling fluid is stirred.

[0011] The utility model discloses a drilling fluid sedimentation stability testing device, and the infusion pipe is connected with the connecting pipe. Beneficial effects

[0012] 1, compared with the prior art, the drilling fluid sedimentation stability testing device, through setting up liquid taking container, liquid taking pipe, negative pressure device and joint, realizes the sampling work to the drilling fluid, and through setting up three kinds of valve doors of connecting valve door, negative pressure valve door and liquid taking valve door, the control of the circulation and cut-off of liquid taking is facilitated, and the control of the sample amount of the drilling fluid being detected at any time is realized, and the operation complexity is reduced.

[0013] 2, compared with the prior art, the drilling fluid sedimentation stability testing device, through setting up heat pipe in heating cylinder, can detect the stability of drilling fluid under high temperature when heating, and detect whether the density of drilling fluid under high temperature changes. DRAWINGS

[0014] The utility model is further illustrated below in combination with the drawings and embodiments.

[0015] Figure 1 is the main structure diagram of the drilling fluid sedimentation stability testing device of the utility model;

[0016] Figure 2 is the left sectional structure diagram of the drilling fluid sedimentation stability testing device of the utility model;

[0017] Figure 3 is the right view structure diagram of the drilling fluid sedimentation stability testing device of the utility model.

[0018] Legend:

[0019] 1, base; 2, heating cylinder; 3, heat pipe; 4, heat preservation cylinder; 5, rotary motor; 6, telescopic rod; 7, stirring blade; 8, heating cover; 9, heat preservation cover; 10, communication hole; 11, connecting pipe; 12, liquid taking container; 13, connecting valve; 14, liquid taking pipe; 15, negative pressure device;

[0020] 16, negative pressure valve; 17, joint; 18, liquid taking valve; 19, threaded sleeve; 20, infusion tube. Specific embodiments

[0021] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0022] Referring to Figures 1-3, the drilling fluid sedimentation stability testing device of the utility model embodiment comprises: a liquid taking container 12, the bottom of the liquid taking container 12 is fixedly connected with a liquid taking pipe 14, the liquid taking pipe 14 takes liquid for the drilling fluid, a liquid taking valve 18 is arranged on the liquid taking pipe 14, the liquid taking valve 18 is connected with the liquid taking pipe 14, and the liquid taking valve 18 is used to control the liquid taking pipe 14 to take liquid.

[0023] 18 control the flow and stop of the liquid taking pipe 14, the liquid taking pipe 14 side fixedly connected with the joint 17, the joint 17 connects the negative pressure device 15 and the liquid taking pipe 14, the joint 17 bottom fixedly connected with the negative pressure device 15, the negative pressure device 15 generates negative pressure environment, the drilling fluid enters the liquid taking device from the bottom of the liquid taking pipe 14 under the action of pressure, the joint 17 is provided with negative pressure valve 16, the negative pressure valve 16 is used for controlling the flow and stop between the negative pressure device 15 and the liquid taking pipe 14, the liquid taking container 12 side fixedly connected with the liquid delivery pipe 20, the liquid delivery pipe 20 is provided with the connecting valve 13, the connecting valve 13 controls the flow and stop between the liquid delivery pipe 20 and the connecting pipe 11;The base 1, the base 1 upper surface is threadedly connected with the heat preservation cylinder 4, the heat preservation cylinder 4 carries out heat preservation to the drilling fluid being stirred, the heat preservation cylinder 4 top movably connected with the heat preservation cover 9, the heat preservation cover 9 double heat preservation to the drilling fluid, the heat preservation cover 9 upper surface is fixedly connected with the power device, the power device provides power for the telescopic rod 6, drives the rotary blade 7 to rotate, the power device output end is fixedly connected with the stirring device, and the stirring device stirs the drilling fluid.

[0024] The base 1 upper surface is fixedly connected with the heating cylinder 2, the heating cylinder 2 side surface is fixedly connected with the heat pipe 3, and the stability of the drilling fluid settlement under high temperature can be detected.The heat preservation cover 9 is provided with the communication hole 10, the output end of the communication hole 10 is connected with the connecting pipe 11, and the connection of the connecting pipe 11 and the communication hole 10 realizes the communication effect of the liquid taking device and the stirring device.The base 1 and the heat preservation cylinder 4 fixedly connected part have a threaded sleeve 19, and the threaded sleeve 19 realizes the effect of tightly connecting and being detachable between the heat preservation cylinder and the base.The power device is a rotary motor 5, the rotary motor 5 output end is fixedly connected with the telescopic rod 6, the telescopic rod 6 far away from the rotary motor 5 one end is fixedly connected with the stirring blade 7, the power device realizes the effect of providing power for the telescopic rod, drives the stirring blade to rotate, and stirs the drilling fluid.The heating cylinder 2 top is fixedly connected with the heating cover 8, and the heat preservation cylinder 4 is in the heating cylinder 2.The stirring device is the telescopic rod 6, the telescopic rod 6 far away from the rotary motor 5 one end is fixedly connected with the stirring blade 7, and the stirring device realizes the effect of stirring the drilling fluid.The liquid delivery pipe 20 is connected with the connecting pipe 11.

[0025] Working principle: in use, open negative pressure device 15, negative pressure device 15 generates negative pressure environment, under the action of pressure, the drilling fluid to be detected enters the liquid taking pipe 14 through the bottom of the liquid taking pipe 14 under the action of pressure, close the negative pressure valve 16, after taking the required drilling fluid, close the liquid taking valve 18, stop sampling the drilling fluid, the drilling fluid enters the liquid taking container 12 from the liquid taking pipe 14, and then enters the liquid conveying pipe 20 from the liquid taking container 12, enters the connecting pipe 11 from the liquid conveying pipe 20, closes the connecting valve 13, the drilling fluid enters the inside of the heat preservation cylinder 4 through the connecting pipe 11, the heat conducting pipe 3 starts to heat, the stirring device starts to stir the drilling fluid, after stirring, stand, and the heat preservation effect of the device guarantees the accuracy of the detected drilling fluid.

[0026] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A device for testing the settling stability of a drilling fluid, characterized in that Include: Liquid container (12), the bottom of the liquid container (12) is fixedly connected with a liquid taking pipe (14), the liquid taking pipe (14) is provided with a liquid taking valve (18), the liquid taking pipe (14) is fixedly connected with a connector (17) on the side, the connector (17) is fixedly connected with a negative pressure device (15) on the bottom, the connector (17) is provided with a negative pressure valve (16), the liquid container (12) is fixedly connected with a transfusion pipe (20) on the side, the transfusion pipe (20) is provided with a connecting valve (13); Base (1), the upper surface of the base (1) is threadedly connected with a heat preservation cylinder (4), the top of the heat preservation cylinder (4) is movably connected with a heat preservation cover (9), the upper surface of the heat preservation cover (9) is fixedly connected with a power device, and the output end of the power device is fixedly connected with a stirring device.

2. The drilling fluid settling stability testing apparatus of claim 1, wherein, The upper surface of the base (1) is fixedly connected with a heating cylinder (2), and the side surface of the heating cylinder (2) is fixedly connected with a heat conducting pipe (3).

3. The drilling fluid settling stability testing apparatus of claim 1, wherein, The heat preservation cover (9) is provided with a communication hole (10), and the output end of the communication hole (10) is connected with a connecting pipe (11).

4. The drilling fluid settling stability testing apparatus of claim 1, wherein, The base (1) and the heat preservation cylinder (4) are fixedly connected with a threaded sleeve (19).

5. The drilling fluid settling stability test apparatus of claim 1, wherein, The power device is a rotary motor (5), the output end of the rotary motor (5) is fixedly connected with a telescopic rod (6), and the end of the telescopic rod (6) away from the rotary motor (5) is fixedly connected with a stirring blade (7).

6. The drilling fluid settling stability test apparatus of claim 2, wherein, The top of the heating cylinder (2) is fixedly connected with a heating cover (8), and the heat preservation cylinder (4) is in the heating cylinder (2).

7. The drilling fluid settling stability test apparatus of claim 1, wherein, The stirring device is a telescopic rod (6), and the end of the telescopic rod (6) away from the rotary motor (5) is fixedly connected with a stirring blade (7).

8. The drilling fluid settling stability testing apparatus of claim 1, wherein, The transfusion pipe (20) is connected with the connecting pipe (11).

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