Wells – With electrical means
Patent
1986-01-22
1987-10-06
Novosad, Stephen J.
Wells
With electrical means
166250, 166237, E21B 4300
Patent
active
046976388
ABSTRACT:
Disclosed is a downhole logging and servicing system with manipulatable logging and servicing tools. The system includes a conveyor for running the tools into and out of the well bore and a manipulating apparatus operable responsive to fluid pressure to manipulate the tools. The manipulating apparatus includes a fluid operated incremental rotating device connected to the conveyor and control device operated by the rotating device to manipulate the tools.
REFERENCES:
patent: 3519075 (1970-07-01), Mullins
patent: 4200297 (1980-04-01), Tricon
patent: 4349072 (1982-09-01), Escaron et al.
patent: 4388969 (1983-06-01), Marshall et al.
patent: 4457370 (1984-07-01), Wittrisch
patent: 4566535 (1986-01-01), Sanford
Bui Thuy M.
Gearhart Industries, Inc.
Novosad Stephen J.
LandOfFree
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