PDF(11873 KB)
PDF(11873 KB)
PDF(11873 KB)
碎软低渗煤层顶板水平井分段压裂裂缝扩展规律及控制机制
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Research on controlling mechanism of fracture propagation of multi-stage hydraulicfracturing horizontal well in roof of broken soft and low permeability coal seam
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