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发明名称
Sealing leaking tubing couplings without removing the tubing from the well
摘要
申请公布号
US2804147(A)
申请公布日期
1957.08.27
申请号
US19540468306
申请日期
1954.11.12
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
PISTOLE HARRY;CALVERT JOHN G.;WILLIAMS ROGER J.;MORSE JOE V.;PRYOR IKE T.;JR. CHARLES B. CORLEY,;EVANS BILLY W.
分类号
E21B33/134
主分类号
E21B33/134
代理机构
代理人
主权项
地址
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