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发明名称
FORMING A WELLBORE CASING WHILE SIMULTANEOUSLY DRILLING A WELLBORE
摘要
A wellbore casing is formed simultaneously with the drilling out of the wellbore.
申请公布号
CA2300363(A1)
申请公布日期
2000.09.11
申请号
CA20002300363
申请日期
2000.03.07
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
DUELL, ALAN B.;MACK, ROBERT D.;COOK, ROBERT LANCE;BRISCO, DAVID PAUL;STEWART, R. BRUCE;RING, LEV;HAUT, RICHARD CARL
分类号
E21B7/20;E21B29/10;E21B33/14;E21B43/10;(IPC1-7):E21B17/00;E21B33/03
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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