Deep water hydrostatic head control

Details Deep water hydrostatic head control Deep water hydrostatic head control

1982-05-10

1984-01-24

Novosad, Stephen J.

Wells

Submerged well

Including disaster feature

137893, E21B 4301

Patent

active

044270739

ABSTRACT:
Hydrostatic head control in the marine riser or sub-sea BOP stack of a deep water drilling unit is maintained through use of an eductor, or similar means, connected to the sub-sea BOP stack choke line for drawing salt water from the sea or mud from the sub-sea BOP stack kill line.

REFERENCES:
patent: 2109251 (1938-02-01), Jacobsson
patent: 3201049 (1965-08-01), Hayes
patent: 4046191 (1977-09-01), Neath
patent: 4186772 (1980-02-01), Handleman
patent: 4310050 (1982-01-01), Bourgoyne, Jr.
patent: 4310058 (1982-01-01), Bourgoyne, Jr.
patent: 4320541 (1982-03-01), Neanan
"Well Control Procedure for Deepwater Initiation of Well Control Operations", by A. T. Bourgoyne et al. and published in Ocean Resources Engineering, Dec. 1978.
"Well Control Procedures for Deep Water Drilling Part II-Control of Shallow Kicks", by A. T. Bourgoyne et al., where published is not known.

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