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发明名称
METHOD AND APPARATUS FOR FLUID BYPASS OF A WELL TOOL
摘要
申请公布号
EP1828538(A4)
申请公布日期
2011.08.03
申请号
EP20050855218
申请日期
2005.12.22
申请人
BJ SERVICES COMPANY, U.S.A.
发明人
HILL, THOMAS G., JR.;BOLDING, JEFFREY, L.;SMITH, DAVID, R.
分类号
E21B43/25
主分类号
E21B43/25
代理机构
代理人
主权项
地址
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