Data from: Friction of Longmaxi shale gouges and implications for seismicity during hydraulic fracturing

Mengke An, Fengshou Zhang, Derek Elsworth, Zhengyu Xu, Zhaowei Chen & Lianyang Zhang
Longmaxi formation shales are the major target reservoir for shale gas extraction in the Sichuan Basin, southwest China. Swarms of earthquakes accompanying hydraulic fracturing are observed at depths typified by the Longmaxi formation. Mineral composition varies broadly through the stratigraphic section due to different depositional environments. The section is generally tectosilicate-poor and phyllosilicate-rich with a minor portion (~5 wt.%) the converse. We measure the frictional and stability properties of shale gouges taken from the full...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
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