An experimental study of the correlation between P-wave velocity and the physical properties of weakly cemented formations
Dong Lin, Yuhuan Bu, Huajie Liu, Chang Lu, Shenglai Guo, Hongzhi Xu · 2023
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Description
Dong Lin and co-authors published this 2023 lab study on weak rock layers found under deep water. Such layers are loose, mixed, and prone to collapse, which makes drilling risky. Crews need to learn the rock's traits without hauling up endless samples. Sound speed through the rock may offer a shortcut, so the team tested how it links to other traits.
They made model rock samples and varied sound pitch, density, grain size, and strength. Sound speed rose in a straight line with pitch and with crushing strength. It fell as grain size and pore space grew, and rose with density in a curved pattern. Sample height also mattered, since tall cores slowed the wave a bit. The links let crews read rock traits from sound checks.
Catalog record
| CREATOR | Dong Lin, Yuhuan Bu, Huajie Liu, Chang Lu, Shenglai Guo, Hongzhi Xu |
|---|---|
| YEAR | 2023 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 25 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |