An invert emulsion drilling fluid containing an internal phase of a polyol and salt-water solution

摘要

An invert emulsion drilling fluid comprising: an external phase, wherein the external phase comprises a hydrocarbon liquid; an internal phase, wherein the internal phase comprises: (i) a polyol; and (ii) a solution comprising a water-soluble salt and water. A method of using the invert emulsion drilling fluid comprises: introducing the drilling fluid into at least a portion of a subterranean formation.