发明名称 METHOD AND TUBE FOR RECOVERY OF OIL OR GAS
摘要 FIELD: oil and gas production industry. SUBSTANCE: method relates to extraction of oil or gas from well at oil or gas deposit or for injection of liquids into well. Used for recovery of oil or gas is recovery tube and drain tube located below it. Drain tube is divided into sections having at least one inflow limiting device. Inflow of liquid into well or injection of liquid into well is restricted. Supply of oil or gas into drain pipe is kept under control. EFFECT: improved pressure profile in drain tube. 9 cl, 7 dwg
申请公布号 RU2126882(C1) 申请公布日期 1999.02.27
申请号 RU19930053763 申请日期 1993.09.17
申请人 NORSK KHJUDRO A.S. 发明人 KRISTIAN BREKKE;JON PETTER SARGEANT
分类号 E21B43/00;E21B17/18;E21B43/08;E21B47/12;(IPC1-7):E21B43/00 主分类号 E21B43/00
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