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1.发明申请NON-CRYOGENIC PRODUCTION OF NITROGEN FOR ON-SITE INJECTION IN DOWNHOLE DRILLING 审中-公开用于在井下钻孔中进行现场注射的氮的非低温生产
公开(公告)号：WO1994029566A1
公开(公告)日：1994-12-22
申请号：PCT/US1994006729
申请日：1994-06-14
Applicant: THE DOW CHEMICAL COMPANY
Inventor： THE DOW CHEMICAL COMPANY , MICHAEL, Keith
IPC: E21B21/00
CPC classification number: E21B43/122 , C08K7/08 , E21B21/14 , E21B21/16
Abstract: There is disclosed a method for oil or gas drilling or the drilling of a geothermal well in which a compressed inert gas, produced by the non-cryogenic separation of air is delivered to the drilling region of the downhole.
Abstract translation: 公开了一种用于油气钻井或钻井地热井的方法，其中通过非低温分离空气产生的压缩惰性气体被输送到井下钻井区域。
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2.发明公开NON-CRYOGENIC PRODUCTION OF NITROGEN FOR ON-SITE INJECTION IN DOWNHOLE DRILLING 失效氮钻井现场没有冷却工艺在EINPUMPEM孔生产
公开(公告)号：EP0702745A1
公开(公告)日：1996-03-27
申请号：EP94919493.0
申请日：1994-06-14
Applicant: THE DOW CHEMICAL COMPANY
Inventor： MICHAEL, Keith
CPC classification number: E21B43/122 , C08K7/08 , E21B21/14 , E21B21/16
Abstract: There is disclosed a method for oil or gas drilling or the drilling of a geothermal well in which a compressed inert gas, produced by the non-cryogenic separation of air is delivered to the drilling region of the downhole.
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