Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component
Reexamination Certificate
2008-01-22
2008-01-22
Gulakowski, Randy (Department: 1712)
Earth boring, well treating, and oil field chemistry
Earth boring
Contains organic component
C507S110000, C507S212000, C507S209000, C166S305100
Reexamination Certificate
active
10257824
ABSTRACT:
The drilling mud with a lowered coefficient of friction having a silicate-based mud and a lubricant selected from the group consisting of: glycosides, alkylpolyalkoxyalcohols, alcohol ester polymers, amine phosphates, starch and combinations thereof.
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Albrecht Michele Scott
Cowan Kenneth Michael
McNeil, III Robert Irving
Rock, Sr. Ronald Lee
Van Oort Eric
Gulakowski Randy
Kugel Timothy J.
Shell Oil Company
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