Method and system for producing hydrocarbons from a tension-leg

Details Method and system for producing hydrocarbons from a tension-leg Method and system for producing hydrocarbons from a tension-leg

1995-11-14

1997-12-16

Tsay, Frank

Wells

Submerged well

Means removably connected to permanent well structure

166358, E21B 7128

Patent

active

056974469

ABSTRACT:
The present invention relates to a method and to a system for producing hydrocarbons from marginal offshore fields. The invention includes a baseplate (2) fastened to the bottom and a small-size floating support (9) anchored to the baseplate by tendons (10). The baseplate comprises locations (31) for wellheads (7,8) and at least one receptacle (22,32) for a pumping device (21). The floating support comprises hoisting device allowing workover operations in the wells and maintenance operations on the pumping device to be performed.

REFERENCES:
patent: 3115933 (1963-12-01), Haeber
patent: 3163224 (1964-12-01), Haeber et al.
patent: 3189093 (1965-06-01), Vries
patent: 3871184 (1975-03-01), Schirtzinger
patent: 3983706 (1976-10-01), Kalinowski
patent: 4305468 (1981-12-01), Goldsmith
patent: 4913238 (1990-04-01), Danazcko et al.
patent: 5226482 (1993-07-01), Giannesini et al.
patent: 5526882 (1996-06-01), Parks et al.

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