WATERPROOF HALF-COUPLING FOR CONNECTING LOGGING CABLE TO WELL DEVICE Russian patent published in 2004 - IPC

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