Method and apparatus for compensating well control instrumentati

Details Method and apparatus for compensating well control instrumentati Method and apparatus for compensating well control instrumentati

1979-06-20

1981-08-11

Leppink, James A.

Boring or penetrating the earth

Boring a submerged formation

Boring from floating support with submerged independent...

175 48, 73155, E21B 712

Patent

active

042829399

ABSTRACT:
A method and apparatus is disclosed for determining the flow rate of drilling fluid flowing from a subaqueous well. The invention may also be used to determine the presence of an abnormal drilling condition during heaving motion of an offshore vessel from which the drilling operation is conducted. The invention measures the volume of fluid passing predetermined locations in the drilling system at particular points in time so as to eliminate the influence that the expansion and contraction of a telescoping section has on the total volume of drilling fluid within the system.

REFERENCES:
patent: 3602322 (1971-08-01), Gorsuch
patent: 3760891 (1973-09-01), Gadbois
patent: 3809170 (1974-05-01), Ilfrey et al.
patent: 3811322 (1974-05-01), Swenson
patent: 3815673 (1974-06-01), Bruce et al.
patent: 3910110 (1975-10-01), Jefferies et al.
patent: 3976148 (1976-08-01), Maus et al.
patent: 4099536 (1978-07-01), Dower

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