发明名称 HEAD ARRANGEMENT OF BORE-HOLE
摘要 FIELD: oil and gas production industry. SUBSTANCE: head arrangement can be used in measuring surplus pressure of bed fluids in observation, piezometric and geothermal wells. Head arrangement incorporates body with control pressure gauge. Located in upper part of body is valve with float. Control pressure gauge is located below float. Application of aforesaid head arrangement allows to undertake more accurate measurements of head pressure of bed fluids in bore-holes. EFFECT: higher efficiency. 1 dwg
申请公布号 RU2129204(C1) 申请公布日期 1999.04.20
申请号 RU19960123592 申请日期 1996.12.15
申请人 RIRODNYKH GAZOV I GAZOVYKH TEKHNOLOGIJ ROSSIJSKOGO AKTSIONERNOGO OBSHCHESTVA "GAZPROM" 发明人 KIR'JASHKIN V.M.;JAKOVLEV JU.I.
分类号 E21B33/04 主分类号 E21B33/04
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