Earth boring, well treating, and oil field chemistry
Earth boring
Contains organic component
Inventor
active
Bowling ball return mechanism
Drilling mud comprising tetrapolymer consisting of n-vinyl-2-pyr
Drilling mud comprising tetrapolymer consisting of N-vinyl-2-pyr
Fluid loss additive for cement slurries containing a n-vinyl-2-p
Fluid loss additives for well cementing compositions
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