FIELD: devices for turning downhole tools, for instance, perforators, core samplers. SUBSTANCE: device has body, turning hollow shaft with connecting tool head, cable head for connection with logging cable. One end of hollow shaft is connected with electric drive, and the other end is placed in movable sleeve and spring-loaded in it. Body and sleeve have aligned through slots in which supporting members are located. Movable sleeve has supporting roller, and turning shaft is made with cam protection. EFFECT: higher efficiency. 3 dwg
Authors
Dates
1997-09-20—Published
1994-06-20—Filed