发明申请
US20070169939A1 WELLBORE CASING AND METHOD OF FORMING SAME 审中-公开
井筒铸造及其形成方法

WELLBORE CASING AND METHOD OF FORMING SAME
摘要:
A method of forming a well bore casing for insertion in a well bore, according to which a first casing section is coupled to a second casing section and a seal is provided between the coupled portions of the sections.
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