Drilling composition, process for its preparation, and applications thereof

US9745502B2 · kind B2 · utility

Assignees

• Emery Oleochemicals GmbH · DE
• Suncor Energy Inc. · CA

Inventors

• Heinz-Joachim Muller · Burgkirchen an der Alz, DE
• Nadja Herzog · Korschenbroich, DE
• Diana Maker · Mettmann, DE
• Michael Fefer · Whitby, CA
• Jun Liu · South San Francisco, US

Key dates

• Filing date: Oct 28, 2013
• Grant date: Aug 29, 2017
• Expiry date: Apr 10, 2035

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E21B43/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a drilling composition comprising an organic phase having at least one linear or branched, cyclic or non-cyclic, saturated hydrocarbon, at least one ester, water or aqueous phase, and at least one additive.The present invention additionally relates to the use and preparation of the drilling composition, to a drilling system, to a process for making a borehole, to a process for conveying cuttings, to a process for treating a drill head, and to a process for production of oil and/or gas.