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
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