公开/公告号WO2022105945A1
专利类型
公开/公告日2022-05-27
原文格式PDF
申请/专利权人 CHINA UNIVERSITY OF PETROLEUM (EAST CHINA);DRILLING TECHNOLOGY SERVICE BRANCH OF CNPC BOHAI DRILLING ENGINEERING CO. LTD;SECOND CEMENTING BRANCH OF CNPC BOHAI DRILLING ENGINEERING CO. LTD.;
申请/专利号WO2022CN72468
发明设计人 WANG XUERUI;SUN BAOJIANG;WANG ZHIYUAN;MA JINSHAN;QI JINTAO;XI FENGLIANG;ZHAO SHUXUN;LIN ZHIHUI;FU JIAWEN;
申请日2022-01-18
分类号G06F30/28;E21B33/13;G06F113/08;G06F119/14;
国家 CN
入库时间 2022-08-25 01:17:49