Abstract
The Cretaceous reservoir in the Kelasu structural belt of Kuqa depression in Tarim Basin is deeply buried and is in the environment of high temperature, high pressure and high stress. The relationship between deep rock mechanical parameters and stress is not clear. Therefore, the deep field outcrop and downhole core are obtained, the geological essence of the rock is fully considered, and the rock mechanics experiments under alternating loads under different stress environments are set, the variation law of rock mechanical parameters under different axial pressure and confining pressure is clarified. This time, aiming at the ultra-deep rock mechanics experiment, the problem of lack of calibration data in rock mechanics parameter modeling is solved, which is of great significance to study the dynamic change analysis of rock mechanics parameters in the process of repeated injection of gas storage and water injection and gas injection.
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