BOP control system and methods for using same

Details BOP control system and methods for using same BOP control system and methods for using same

1990-06-26

1991-12-10

Rivell, John

Fluid handling

Combined

137 1, 174 9F, H01B 100

Patent

active

050709046

ABSTRACT:
A BOP subsea control system utilizes hydraulic control of non-critical functions, and electro-hydraulic control of selected critical functions, such as the closing mode of one or more shear ram BOPs, one or more pipe ram BOPs and one or more annular type BOPs. In an alternative embodiment, the use of a conductive fluid in a hydraulic hose enables electric signals and hydraulic signals to be transmitted in the same hose.

REFERENCES:
patent: 1792973 (1931-02-01), Frenz
patent: 1955005 (1934-04-01), Maloney
patent: 3601519 (1971-08-01), Wanner et al.
patent: 3866678 (1975-02-01), Jeter
patent: 3878312 (1975-04-01), Bergh et al.
patent: 4095421 (1978-06-01), Silcox

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