Development characteristics and petroleum geological significance of Permian pyroclastic flow volcanic rocks in Western Sichuan Basin, SW China
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Development characteristics and petroleum geological significance of Permian pyroclastic flow volcanic rocks in Western Sichuan Basin, SW China |
| PENG Hao,YIN Cheng,HE Qinglin,XIA Guoyong,LIU Yong,MA Tinghu,CHEN Kang,LIU Ran,SU Wang |
| Fig. 4. Composite column diagram of lithology and lithofacies of “Emeishan volcanic rock” in Well YT1. GR—Natural gamma ray; RXO—flushed zone resistivity; Rt—resistivity; ϕCNL—neutron porosity; Δt—sonic differential time; ρ—density. |
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