Boring or penetrating the earth – With signaling – indicating – testing or measuring
Patent
1991-03-19
1992-02-04
Suchfield, George A.
Boring or penetrating the earth
With signaling, indicating, testing or measuring
175 50, 175 65, E21B 2100, E21B 4900
Patent
active
050852825
ABSTRACT:
Oil in water emulsion drilling fluid properties are enhanced by incorporation thereinto of an alcohol such as glycerol or polycyclicpolyetherpolyol and salt.
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Blytas George C.
Hale Arthur H.
Shell Oil Company
Suchfield George A.
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