Patent · US Active

Invert drilling fluids having enhanced rheology and methods of drilling boreholes

US9127192B2 · kind B2 · utility

50Cited by

14References

13Claims

0Family size

Assignee

Halliburton Energy Services, Inc. · US

Inventors

Shadaab Syed Maghrabi · Summerville, US
Vikrant Wagle · Dhahran, SA
Kushabhau D. Teke · East Chicago, US
Dhanashree Gajanan Kulkarni · Pune, IN

Key dates

Filing date	Jan 2, 2012
Grant date	Sep 8, 2015
Priority date	—
Expiry date	Feb 10, 2034

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B43/16
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

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 hydrophobic amines, most preferably dimer diamines.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.