Invention Grant
- Patent Title: Drilling fluid and methods
- Patent Title (中): 钻井液和方法
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Application No.: US12025164Application Date: 2008-02-04
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Publication No.: US07989399B2Publication Date: 2011-08-02
- Inventor: Stefan Alexandru Stoian , Carl Keith Smith
- Applicant: Stefan Alexandru Stoian , Carl Keith Smith
- Applicant Address: CA Calgary
- Assignee: Techstar Energy Services Inc.
- Current Assignee: Techstar Energy Services Inc.
- Current Assignee Address: CA Calgary
- Agency: Bennett Jones LLP
- Priority: CA2594108 20070719
- Main IPC: C09K8/035
- IPC: C09K8/035 ; E21B21/06
Abstract:
A drilling fluid comprising: a non-ionic surfactant including at least one of a branched alcohol ethoxylate and a capped alcohol ethoxylate, a detergent builder and a viscosifier.
Public/Granted literature
- US20080217064A1 DRILLING FLUID AND METHODS Public/Granted day:2008-09-11
Information query
