Invention Grant
- Patent Title: Foamed fluid additive for underbalance drilling
- Patent Title (中): 泡沫液添加剂用于欠平衡钻孔
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Application No.: US11736992Application Date: 2007-04-18
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Publication No.: US07992653B2Publication Date: 2011-08-09
- Inventor: Frank Zamora , Sarkis Kakadjian
- Applicant: Frank Zamora , Sarkis Kakadjian
- Applicant Address: US DE
- Assignee: Clearwater International
- Current Assignee: Clearwater International
- Current Assignee Address: US DE
- Agent Robert W Strozier
- Main IPC: E21B43/00
- IPC: E21B43/00
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.
Public/Granted literature
- US20080257554A1 FOAMED FLUID ADDITIVE FOR UNDERBALANCE DRILLING Public/Granted day:2008-10-23
Information query
