INTERNATIONAL PATENT: CHINA UNIVERSITY OF PETROLEUM (EAST CHINA), 中国石油大学（华东）, TIANJIN DAGANG DRILLING TECHNOLOGY CO., LTD., 天津大港油田石油工程研究院钻采技术开发有限公司 FILES APPLICATION FOR "ARTIFICIALLY-ASSISTED PACKING METHOD FOR SAND CONTROL AND WATER CONTROL IN FRACTURED RESERVOIR AND PACKING EFFECT EVALUATION METHOD"

GENEVA, Nov. 30 -- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA) (No. 271, North Second RoadDongying, Shandong 257000), 中国石油大学（华东） (中国山东省东营市北二路271号), TIANJIN DAGANG DRILLING TECHNOLOGY CO., LTD. (Tianjin Dagang Oilfield No. 3 HospitalBinhai New Area, Tianjin 300280), 天津大港油田石油工程研究院钻采技术开发有限公司 (中国天津市滨海新区天津大港油田三号院)...