skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Water based drilling mud additive

Patent ·
OSTI ID:7151706

A water based fluid additive useful in drilling mud used during drilling of an oil or gas well is disclosed, produced by reacting water at temperatures between 210/sup 0/-280/sup 0/ F. with a mixture comprising in percent by weight: gilsonite 25-30%, tannin 7-15%, lignite 25-35%, sulfonating compound 15-25%, water soluble base compound 5-15%, methylene-yielding compound 1-5%, and then removing substantially all of the remaining water to produce a dried product.

Assignee:
Icarus, Inc.
Patent Number(s):
US 4420405
OSTI ID:
7151706
Resource Relation:
Patent File Date: Filed date 10 Aug 1981; Other Information: PAT-APPL-291396
Country of Publication:
United States
Language:
English