Wells – Processes – Placing or shifting well part
Patent
1989-01-27
1990-07-24
Novosad, Stephen J.
Wells
Processes
Placing or shifting well part
166 50, 166 664, 166250, 166369, 166375, E21B 2300, E21B 4312, E21B 4314
Patent
active
049429264
ABSTRACT:
A method and device for carrying out operations and/or manipulations in a well which has a casing with the well being and drilled in geological formations having at least two distinct zones.
The device according to the invention is characterized in particular by casing (3) having, in its interior, a first connector (10) usable in a liquid medium, the first connector being connected by lines (40) to at least one instrument and/or tool (11, 14, 16, 18, 34, 35, 36, 37) disposed in each of zones (30, 31, 32, 33), the first connector (10) being designed to cooperate with a second connector (21) connected by a transmission cable (22) to the surface of the ground, casing (3) being designed to permit the second connector to be lowered from the surface and connect with the first connector. The casing has, in an interior thereof, a first connector usable in a liquid medium, with the first connector being connected by lines to at least one instrument and/or two disposed in each of the zones. The first connector is adapted to cooperate with a second connector connected by a transmission cable to the surface of the ground. The casing is constructed such that the second connector may be lowered from the surface and connected with the first connector. The device is suitable for measurements and/or manipulations carried out in a well drilled into the ground when fluids from geological formation such as oil-bearing and gas-bearing formations are being exploited.
REFERENCES:
patent: 4457370 (1984-07-01), Wittrisch
patent: 4574892 (1986-03-01), Grigar et al.
patent: 4690214 (1987-09-01), Wittrisch
patent: 4753291 (1988-06-01), Smith et al.
patent: 4759406 (1988-07-01), Smith et al.
patent: 4767349 (1988-08-01), Pottier et al.
Institut Francais du Pe'trole
Novosad Stephen J.
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