Glycerol based drilling fluids

Details Glycerol based drilling fluids Glycerol based drilling fluids

2008-11-26

2011-12-06

Kugel, Timothy J. (Department: 1761)

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

C507S103000, C507S117000, C507S118000, C507S119000, C507S136000, C507S139000, C507S141000, C507S145000, C175S065000, C175S072000, C166S305100

Reexamination Certificate

active

08071509

ABSTRACT:
The present invention relates to glycerol based drilling fluids. In particular, the invention relates to drilling fluids comprising a 95-20 volume % glycerol/water solution capable of stabilizing water-sensitive formations during drilling and the use of such solutions for drilling a well having water-sensitive formations.

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