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Sand filling model pipe

A model pipe and sand filling technology, which is applied in the direction of mining fluid, wellbore/well components, earthwork drilling and production, etc., can solve problems such as flow, low quartz sand, etc., and achieve improved accuracy, accurate experimental results, and good sealing effect Effect

Inactive Publication Date: 2016-01-13
南通市飞宇石油科技开发有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the problem in the prior art that the inner wall roughness of the sand-filled model pipe is relatively low and the quartz sand is prone to flow, the present invention provides a sand-filled model pipe

Method used

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Embodiment Construction

[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] figure 1 , figure 2 and image 3 It is a schematic structural diagram of a sand-filled model pipe in a specific embodiment of the present invention, including a body 1, a plug 4, a pressure cap 3, an inlet 8 and an outlet 9, the body 1 is a hollow pipe, and the body 1 is provided with a sampling tube. Port 6 and pressure measuring port 7, plug 4 is located at both ends of body 1, plug 4 is screwed to body 1, pressure cap 3 is fixed around plug 4, inlet 8 and outlet 9 are located at both ends of the sand filling model pipe, body The roughness of the inner wall 2 of 1 is uniform. The inner wall of the body 1 is roughened by electric sparks. The roughness of the inner wall of the body ...

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Abstract

The invention provides a sand filling model pipe. The sand filling model pipe comprises a main body, plugs, pressing caps, an inlet and an outlet, wherein the main body is a hollow pipe, and is provided with a sampling port and a pressure measuring port; the plugs are positioned at the two ends of the main body, and are connected with the main body through screws; the pressing caps are fixedly connected with the plugs; the inlet and the outlet are positioned at the two ends of the sand filling model pipe; the inner wall of the main body is uniform and consistent in roughness, and is an electrospark roughened inner wall; the roughness of the inner wall of the main body is greater than Ra12.5; the plugs are double-ring sealing plugs; and a temperature sensing heating device is arranged in a shell of the main body, and is fixedly connected with the main body. The sand filling model pipe can effectively prevent the streaming phenomenon between sand particles and the inner wall in the experimental process, so that the precision of experimental results is guaranteed, and the tightness is good; and the sand filling model pipe is provided with the temperature sensing heating device, so that the cleaning is facilitated, and the accuracy of experimental conditions can be guaranteed.

Description

technical field [0001] The invention relates to the technical field of a microbial oil displacement physical simulation experiment device, in particular to a sand filling model pipe. Background technique [0002] In oil recovery experiments in the petroleum industry, sand-packed model tubes are usually used when conducting indoor physical experiments of microbial oil displacement. During the experiment, it is necessary to detect and analyze the produced fluid along the process and at the outlet, and to monitor the pressure. When conducting the distribution of residual oil saturation along the model tube and the adsorption law of quartz sand, it is required to accurately obtain the oil contained in the model tube along the process. Quartz sand samples of formation water and residual oil. Therefore, the quartz sand in the sand-filled model tube cannot be channeled, which has higher requirements on the roughness of the inner wall surface of the sand-filled model tube. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/22
Inventor 马纯刘思齐邰九龙
Owner 南通市飞宇石油科技开发有限公司
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