专利名称：THERMAL INSULATION OF WELLS 发明人：FLOYD D. BURNSIDE王勃的故事
成长的记忆申请号：US3650327D
申请日：19700714红糖的成分>梦见蚂蚁是什么预兆
工程机械行业分析公开号：US3650327A
公开日：牛排的腌制方法
19720321
专利内容由知识产权出版社提供
音级
访吓摘要：A method for thermally insulating a well, such as a steam injection well or a well which produces oil through perma-frost formations, by filling an annular space between two strings of casing in the wells with heat insulating vermiculite slurry.
申请人：SHELL OIL CO.
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