Foamed fluid additive for underbalance drilling

Details Foamed fluid additive for underbalance drilling Foamed fluid additive for underbalance drilling

2011-08-09

2011-08-09

Wright, Giovanna C (Department: 3672)

Boring or penetrating the earth

Processes

Boring with specific fluid

C166S309000, C166S372000

Reexamination Certificate

active

07992653

ABSTRACT:
A method of drilling or gas-lifting is disclosed where the methods including the use of a foaming agent and a gas, where the foaming agent is a keratin and the hydrostatic pressure of the fluid in the well is for a portion of the drilling or gas-lift operation less than an hydrostatic pressure of the formation being drilled or under production.

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