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发明名称
METHOD OF WELL CEMENTING
摘要
申请公布号
SU1659630(A1)
申请公布日期
1991.06.30
申请号
SU19894683867
申请日期
1989.04.28
申请人
SIBIRSKIJ NII NEFTYANOJ PROMYSHLENNOSTI
发明人
NEGOMEDZYANOV VALERIJ R,SU
分类号
E21B33/14;E21B33/12
主分类号
E21B33/14
代理机构
代理人
主权项
地址
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