Floating platform well production apparatus

Details Floating platform well production apparatus Floating platform well production apparatus

1978-12-11

1980-10-21

Leppink, James A.

Wells

Submerged well

Connection or disconnection of submerged members remotely...

166363, 166366, 175 7, E21B 712

Patent

active

042288576

ABSTRACT:
A plurality of wells are clustered around a central riser which is maintained under tension from a floating platform. A plurality of spiders on the riser carry funnels in vertical alignment with the wells. The funnels are sufficiently large to permit the passage of wellhead connectors and master block valves, and the production risers include centralizers which brace the production riser from the funnels through a limited vertical range. Tensioning of the production riser is with a lower force and through a limited range which precludes disengagement of the centralizers from the funnel. Some centralizers are located to facilitate entry and attachment to the wellhead.

REFERENCES:
patent: 3670515 (1972-06-01), Lloyd
patent: 3677016 (1972-07-01), Garrigus
patent: 3789921 (1974-02-01), DeChassy et al.
patent: 4098333 (1978-07-01), Wells et al.
patent: 4119145 (1978-10-01), Tuson
patent: 4126183 (1978-11-01), Walker
patent: 4142584 (1979-03-01), Brewer et al.

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