发明名称 WATERPROOF HALF-COUPLING FOR CONNECTING LOGGING CABLE TO WELL DEVICE
摘要 FIELD: geophysical wells examination. SUBSTANCE: waterproof half-coupling has a body with bolt head for fixing logging cable armor, candle bridge with a cylinder and piston, to which a bushing with a bore for placing nesting part of plug is rigidly connected, and electrical inlets in the piston having a housing for isolated cable conductor with sealing ring. Electrical inlet body is modular, and between its parts additional sealing ring and thrust isolating bushing with stop for cut off end of cable conductor isolation are located. EFFECT: increased reliability of devices in wells with high temperature and pressure. 4 dwg
申请公布号 RU2224885(C1) 申请公布日期 2004.02.27
申请号 RU20020119242 申请日期 2002.07.16
申请人 STVENNOE PREDPRIJATIE NAUCHNO-ISSLEDOVATEL'SKIJ IOTKRYTOE AKTSIONERNOE OBSHCHESTVO NAUCHNO-PROIZVODPROEKTNO-KONSTRUKTORSKIJ INSTITUT GEOFIZICHESKIKHISSLEDOVANIJ GEOLOGORAZVEDOCHNYKH SKVAZHIN "VNIIGIS";ZAKRYTOE AKTSIONERNOE OBSHCHESTVO NAUCHNO-PROIZVODSTVENNAJA FIRMA "SEJSMOSETSERVIS";STVENNAJA SEJSMOSETSERVIS FA;N PROIZV AOZT 发明人 SAFIULLIN G.G.
分类号 E21B47/00;H02G15/02 主分类号 E21B47/00
代理机构 代理人
主权项
地址