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发明名称
Casing centraliser
摘要
A casing centraliser and assembly comprising a tubular and a centraliser, the centraliser comprising a plastics material.
申请公布号
AU6301098(A)
申请公布日期
1998.09.09
申请号
AU19980063010
申请日期
1998.02.23
申请人
DOWNHOLE PRODUCTS PLC
发明人
IAN ALASTAIR KIRK;WILLIAM BARRON;ALISTAIR BERTRAM CLARK
分类号
E21B17/10;E21B17/22
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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