Method of controlling a well experiencing gas kicks

Details Method of controlling a well experiencing gas kicks Method of controlling a well experiencing gas kicks

2007-07-17

2007-07-17

Gay, Jennifer H. (Department: 3672)

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Measuring or indicating drilling fluid rate of flow

Reexamination Certificate

active

10898079

ABSTRACT:
A method of controlling a well experiencing gas kicks, which includes the step of increasing pressure above maximum allowable casing pressure to offset decreases in circulating pressure. The method includes calculating a difference between initial circulating pressure and present circulating pressure to arrive at a net loss in circulating pressure. Pressure is increased above maximum allowable casing pressure by an amount approximating the net loss in circulating pressure.

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patent: 2005/0096848 (2005-05-01), Hou et al.
patent: 2006/0207795 (2006-09-01), Kinder et al.

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