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发明名称
DOWNHOLE COMBINATION TOOL
摘要
申请公布号
US5064006(A)
申请公布日期
1991.11.12
申请号
US19880264445
申请日期
1988.10.28
申请人
MAGRANGE, INC
发明人
WATERS, ROBERT L.;ROBERTS, GEORGE F.;WALTERS, PHILIP H.;CLARK, HOWARD C.;FITZGERALD, DON D.;STELLY, II, OTIS V.
分类号
E21B7/06;E21B47/00;E21B47/022;G01V3/26
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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