Well cement slurries and dispersants therefor

Details Well cement slurries and dispersants therefor Well cement slurries and dispersants therefor

1990-03-12

1991-08-20

Chaudhuri, Olik

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfonic acids or salts thereof

C07C14342

Patent

active

050416308

ABSTRACT:
Well cement slurries, water soluble dispersants therefor and methods of producing the dispersants are provided. The dispersants prevent high initial cement slurry viscosities and friction losses when the slurries are pumped, and are comprised of water soluble sulfoalkylated naphthols in which the naphthol molecules are alkylated with at least one group having the formula --C(R).sub.2 --SO.sub.3 M wherein R is selected from hydrogen and alkyl radicals containing from 1 to 5 carbon atoms and M is an alkali metal.

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