Drilling fluid compensation device

Details Drilling fluid compensation device Drilling fluid compensation device

1977-04-25

1978-07-11

Novosad, Stephen J.

Boring or penetrating the earth

Boring a submerged formation

175 7, 166 05, E21B 712

Patent

active

040995828

ABSTRACT:
In an offshore oil well system wherein a floating well platform is connected through a telescoping cylindrical member to a marine riser extending down to the drilling area, the telescoping cylindrical member being mounted for slidable, sealable movement within the top of the marine riser, said movement occurring as a result of heave of the floating platform due to wave and tide action, a drilling fluid compensator for compensating for a change in the flow of drilling fluid out of the telescoping cylindrical member into the return system.

REFERENCES:
patent: 2402157 (1946-06-01), Griswold
patent: 2606003 (1952-08-01), McNeill
patent: 3196958 (1965-07-01), Travers et al.
patent: 3313345 (1967-04-01), Fischer
patent: 3313358 (1967-04-01), Postlewaite et al.
patent: 3354950 (1967-11-01), Hyde
patent: 3612176 (1971-10-01), Bauer et al.
patent: 3910110 (1975-10-01), Jefferies et al.
patent: 3976148 (1976-08-01), Maus et al.

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