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Apparatus and method for visual seepage experiment

An experiment and seepage technology, which is applied in the field of visual seepage experiment equipment, can solve the problems of large dead volume, large thickness and size, and can not meet the experimental requirements, etc., and achieve the effect of reducing dead volume

Active Publication Date: 2022-04-12
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The main problems of the existing visual percolation device are: the dead volume is too large, resulting in large test errors, which cannot meet the experimental requirements; the thickness is large, occupying the microscope stroke, and the microscope cannot be accurately focused; the structure is not reasonable, resulting in difficult operation

Method used

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  • Apparatus and method for visual seepage experiment
  • Apparatus and method for visual seepage experiment

Examples

Experimental program
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Embodiment

[0073] figure 1 A schematic structural diagram of a device for a visualized percolation experiment is shown according to an exemplary embodiment of the present invention.

[0074] like figure 1 As shown, a device for visual seepage experiment of this embodiment includes:

[0075] A plurality of pipe joints 5 are symmetrically arranged on the radial periphery of the reactor body 6; the reactor upper cover 2 is connected to the reactor body 6, and the center of the reactor upper cover 2 is provided with an observation hole; the diffuse reflection plate 9 is arranged at the bottom of the reactor body 6; The sapphire window 4 is set on the upper part of the reaction kettle body 6, opposite to the observation hole; the three-way clamp assembly 7 is connected to the symmetrically arranged pipe joint 5 through the pipeline, and is used to clamp the slide glass 8, and the model to be tested is set on the slide glass 8 superior.

[0076] Place the first sealing ring, the sapphire wi...

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Abstract

The invention discloses a device and method for a visualized seepage experiment, wherein the device comprises: a reactor body, a plurality of pipe joints arranged symmetrically around the radial periphery of the reactor body; an upper cover of the reactor, connected to the reactor body, There is an observation hole in the center of the upper cover of the reactor; a diffuse reflection plate, the diffuse reflection plate is set at the bottom of the reactor body; a sapphire window, the sapphire window is set on the upper part of the reactor body, opposite to the observation hole; tee clamp assembly, tee clamp assembly The pipeline is connected with symmetrically arranged pipe joints for clamping the glass slide, and the model to be tested is set on the glass slide. The advantages are: the distribution of different fluids in the porous medium can be visually observed, the dead volume of the device is small, the precision is high, and the operation is convenient.

Description

technical field [0001] The invention relates to the field of oil and gas field development, and more specifically, to a device and method for a visualized seepage experiment. Background technique [0002] Visualization experiment is an important experimental method to evaluate the process of oil and gas field development and enhanced oil recovery. Through visualization experiment, the distribution of fluid in porous media can be directly observed and the displacement mechanism of different fluids can be studied. The visualized seepage experimental device is the core of the visualized experiment, which is mainly used to observe the flow field shape of different media flowing through different pores under the environment of temperature and pressure. [0003] Literature (Comparison and Mechanism Research of Polymer Flooding and Multi-element Flooding Microscopic Experiments, Oilfield Chemistry, 2015, 32(3)) used the microscopic visualization device to carry out the evaluation e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B47/002E21B43/16E21B47/10
CPCE21B43/16E21B47/10E21B47/002
Inventor 伦增珉王海涛吕成远王锐陈少华骆铭许关利周国华
Owner CHINA PETROLEUM & CHEM CORP
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