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发明名称
IN-SITU PRODUCTION OF BITUMEN
摘要
申请公布号
CA2252192(A1)
申请公布日期
1998.12.29
申请号
CA19982252192
申请日期
1998.10.29
申请人
SHELL CANADA LIMITED
发明人
PARSONS, LESLIE JAMES
分类号
E21B43/24;E21B43/30;(IPC1-7):E21B43/243
主分类号
E21B43/24
代理机构
代理人
主权项
地址
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