| http://www.w3.org/ns/prov#value | - A process for drilling a well comprising: preparing a stable oil in water emulsion drilling fluid comprising:(a) 87-93%v aqueous phase; (b) 4-8%v oil phase; (c) 3-5%v of one or more surfactants selected from the group consisting of:(1) ethoxylated amines having the formula: ##STR9## in which R is a hydrophobic aliphatic group and x and y are integers ???1, the sum of which is in the range of from
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