Methods and materials to enhance high temperature rheology in invert emulsions

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United States of America Patent

PATENT NO 9988569
SERIAL NO

15098980

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Abstract

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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.

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Patent Owner(s)

  • HALLIBURTON ENERGY SERVICES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kulkarni, Sandeep D Pune, IN 33 517
Maghrabi, Shadaab Syed Thane, IN 16 392
Savari, Sharath Hyderabad, IN 35 723
Wagle, Vikrant Bhavanishankar Mumbai, IN 34 433

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