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1. (WO2017147712) COMPOSITIONS AND METHODS FOR SHALE STABILIZATION

Pub. No.:    WO/2017/147712    International Application No.:    PCT/CA2017/050287
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Fri Mar 03 00:59:59 CET 2017
IPC: C09K 8/05
E21B 21/00
E21B 33/138
Applicants: SECURE ENERGY (DRILLING SERVICES) INC.
Inventors: HANSON, Devon Erick
MA, Kuangbiao
DUBBERLEY, Stuart
DEWIT, Matthew
Title: COMPOSITIONS AND METHODS FOR SHALE STABILIZATION
Abstract:
Drilling fluid compositions comprising a formate salt and a silicate salt, as well as methods and uses thereof in drill operations, are provided. The drilling fluid compositions may comprise, for example, sodium silicate and potassium formate, and may be used as a shale stabilizing agent, a fluid loss reduction agent, a drilled formation stabilizer, and/or a coal stabilizer. Processes for the preparation of such drilling fluid compositions are also provided.