发明名称 Installation for cleaning the zone near the drill hole
摘要 The installation for cleaning the zone near the drill hole contains a hollow body (1) in which is arranged a subassembly for generating hydrodynamic waves that is designed in the form of a turbulence chamber (3) that has, arranged tangentially in its upper part, entry channels (4) with which the subassembly is connected to the cavity of the body (1). The outlet channel (5) of the turbulence chamber (3) is designed with a conical taper.
申请公布号 US5311955(A) 申请公布日期 1994.05.17
申请号 US19920878476 申请日期 1992.05.05
申请人 WAVE TEC GES.M.B.H. 发明人 GANIJEW, RIFNER W.;MUFASALOW, ROBERT S.;WASILIEW, REMUS C.;SACHAROW, JURIJ P.;MUCHUTDINOW, RASCHID G.
分类号 E21B37/04;E21B7/24;E21B21/00;E21B41/00;(IPC1-7):E21B7/18 主分类号 E21B37/04
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