[EN] SHALE HYDRATION INHIBITION AGENTS FOR UTILIZATION IN WATER-BASED DRILLING FLUIDS<br/>[FR] AGENTS D'INHIBITION DE L'HYDRATATION DU SCHISTE ARGILEUX POUR UNE UTILISATION DANS DES FLUIDES DE FORAGE À BASE D'EAU
申请人:ST FRANCIS XAVIER UNIVERSITY
公开号:WO2010040223A1
公开(公告)日:2010-04-15
Shale hydration inhibition agents of the general formula: wherein R1, R2, R3, R4, R5 and R6 are as defined herein, are described. In addition, the present application is directed to water-based drilling fluids containing these shale hydration inhibition agents and methods of using such agents to inhibit the hydration or swelling of shale during drilling.