Drilling fluid thinner
Patent
·
OSTI ID:5536226
A drilling fluid additive is described comprising a mixture of: (a) a sulfoalkylated tannin and (b) chromium acetate selected from the group consisting of chromium (III) acetate and chromium (II) acetate, wherein the chromium acetate is present in a weight ratio of the chromium acetate to the sulfoalkylated tannin in the range of from about 1:20 to about 1:1.
- Assignee:
- Phillips Petroleum Co., Bartlesville, OK
- Patent Number(s):
- US 4842770
- OSTI ID:
- 5536226
- Country of Publication:
- United States
- Language:
- English
Similar Records
Drilling fluid
Drilling fluids and thinners therefor
Water-based drilling fluids having enhanced fluid loss control
Patent
·
Mon Nov 02 23:00:00 EST 1987
·
OSTI ID:5701122
Drilling fluids and thinners therefor
Patent
·
Tue Oct 21 00:00:00 EDT 1986
·
OSTI ID:5058488
Water-based drilling fluids having enhanced fluid loss control
Patent
·
Mon Mar 16 23:00:00 EST 1987
·
OSTI ID:6670891
Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
ACETATES
ADDITIVES
AROMATICS
CARBOXYLIC ACID SALTS
CARBOXYLIC ACIDS
CHEMICAL COMPOSITION
CHROMIUM COMPOUNDS
DRILLING FLUIDS
FLUIDS
HYDROXY COMPOUNDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
PHENOLS
POLYPHENOLS
QUANTITY RATIO
TANNIC ACID
TRANSITION ELEMENT COMPOUNDS
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
ACETATES
ADDITIVES
AROMATICS
CARBOXYLIC ACID SALTS
CARBOXYLIC ACIDS
CHEMICAL COMPOSITION
CHROMIUM COMPOUNDS
DRILLING FLUIDS
FLUIDS
HYDROXY COMPOUNDS
ORGANIC ACIDS
ORGANIC COMPOUNDS
PHENOLS
POLYPHENOLS
QUANTITY RATIO
TANNIC ACID
TRANSITION ELEMENT COMPOUNDS