METHODS AND MATERIALS TO ENHANCE HIGH TEMPERATURE RHEOLOGY IN INVERT EMULSIONS
摘要
An invert emulsion drilling fluid, and a method of drilling with such fluid, having improved rheology at low mud weights and high temperatures. The improved rheology is effected with addition of a rheology additive of the invention comprising fatty dimer diamines or dimer diamines and an organic acid or ester of the acid. A nonlimiting example of such a rheology additive comprises a C36 fatty dimer diamine and adipic acid or dimethyl adipate.
申请公布号
CA2872864(C)
申请公布日期
2016.09.20
申请号
CA20132872864
申请日期
2013.03.17
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
WAGLE, VIKRANT BHAVANISHANKAR;MAGHRABI, SHADAAB SYED;SAVARI, SHARATH;KULKARNI, SANDEEP D.