A Test Simulator for CO2 Injection to Enhance Coalbed Methane Recovery
A carbon dioxide and coal bed methane technology, which is applied in the fields of mining fluid, earthwork drilling, wellbore/well components, etc., can solve problems such as being in the exploration stage, unable to objectively evaluate the pros and cons of the process, and increasing the risk of project investment
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[0019] Figure 1 to Figure 5 The thicker lines in the middle show the fluid lines, and the thinner lines to the computer show the signal (control) lines.
[0020] Such as Figure 1 to Figure 5 As shown, the test simulation device of carbon dioxide injection to enhance coal bed methane recovery of the present invention includes the following systems and devices:
[0021] Coal reservoir simulation system for simulating coal reservoir pressure and temperature conditions;
[0022] A gas injection system for injecting methane gas or helium gas into the coal reservoir simulation system through the gas main pipe 49;
[0023] A fracturing simulation carbon dioxide injection system for injecting high-pressure liquid into the coal reservoir simulation system through the fracturing pipeline 43, enabling the coal reservoir simulation system to simulate the degree of fracture development, and injecting carbon dioxide into the coal reservoir simulation system;
[0024] A carbon dioxide a...
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