Close proximity wellheads

Details Close proximity wellheads Close proximity wellheads

1997-09-11

1999-07-06

Neuder, William

Wells

Submerged well

Connection or disconnection of submerged members remotely...

166313, 166366, 175 5, E21B 4301

Patent

active

059186755

ABSTRACT:
A guidance system comprising two guide tubes is lowered into a well with a conductor. The guide tubes are connected together by partitions which are about 100 feet apart and divide the conductor into two halves. Each partition comprises two symmetrically formed, semi-cylindrical sections facing in opposite directions. A threaded collar is secured to the upper end of each of the guide tubes. The collars are then landed on a lower plate at the upper end of the conductor. An upper plate is secured to the upper end of the conductor on top of the lower plate. The operator lowers a string of drill pipe through holes in the plates into the conductor to drill a first smaller diameter well at the bottom of the conductor. After drilling to the desired depth, the operator runs a first string of casing down the conductor and through the new well bore. The casing is located on one side of each partition and cemented in place. The operator then lowers the drill pipe down the other side of the partitions and repeats the drilling and casing of a second well. After each well is cased, the operator pumps cement down one of the guide tubes to cement the interior of the lower end of the conductor.

REFERENCES:
patent: 4068729 (1978-01-01), Peevey
patent: 4136996 (1979-01-01), Burns
patent: 5330007 (1994-07-01), Collins et al.
patent: 5458199 (1995-10-01), Collins et al.
patent: 5560435 (1996-10-01), Sharp
patent: 5810086 (1998-09-01), Bridges

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