Process for cleaning drilling mud contaminated with hydrocarbons

Details Process for cleaning drilling mud contaminated with hydrocarbons Process for cleaning drilling mud contaminated with hydrocarbons

1992-01-15

1993-03-23

Taylor, Dennis L.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

208 13, 210708, 210787, 175 66, 252331, C09K 702

Patent

active

051958473

ABSTRACT:
A process for recovering hydrocarbon contaminants from a drilling mud by adding a hydrocarbon diluent along with a wash water to create an emulsion. The wash water having a surfactant dissolved therein. The resultant emulsion is subjected to centrifugation which produces three distinct layers that can be easily separated to produce a clean drilling mud, a clear wash water, and a hydrocarbon phase containing the hydrocarbon contaminant and the hydrocarbon diluent.

REFERENCES:
patent: 4451377 (1984-05-01), Luxemburg
patent: 4599117 (1986-07-01), Luxemburg
patent: 4645608 (1987-02-01), Rayborn
patent: 4812225 (1989-03-01), Gorti et al.
patent: 5039450 (1991-08-01), Kupfer et al.
patent: 5080721 (1992-01-01), Flanigan et al.

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