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DETERMINING THE IMMINENT ROCK FAILURE STATE FOR IMPROVING MULTI-STAGE TRIAXIAL COMPRESSION TESTS
DETERMINING THE IMMINENT ROCK FAILURE STATE FOR IMPROVING MULTI-STAGE TRIAXIAL COMPRESSION TESTS
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机译:确定用于改进多级三轴压缩试验的即将发生的岩石破坏状态
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摘要
Methods and apparatus for evaluation of an earth formation including evaluating a core sample obtained from the formation. Methods include using a change in measurements of at least one stress parameter of the core sample, such as radial strain, axial stress, and acoustic emission counts, over time responsive to an applied stress to estimate imminent rock failure in the core sample. This may include estimating the imminent rock failure using differences between portions of a curve generated based on the measurements.
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