Method and apparatus for producing viscous crudes,申请号US19870138769-传众专利搜索

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发明名称	Method and apparatus for producing viscous crudes
摘要
申请公布号	US4832127(A)	申请公布日期	1989.05.23
申请号	US19870138769	申请日期	1987.12.29
申请人	SHELL WESTERN E&P INC.	发明人	THOMAS, DAVID W.;CORBY, ROBERT S.
分类号	E21B41/02;E21B43/12	主分类号	E21B41/02
代理机构		代理人
主权项
地址

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