Drilling fluids and thinners therefor
Patent
·
OSTI ID:5058488
This patent describes an aqueous drilling fluid comprising water, finely divided solids and a first agent and a second agent. The first agent comprises a sulfoalkylated tannin containing no complexing heavy metal. The second agent comprises at least one at least partly water-soluble metal compound comprising tin. The weight ratio of the first agent to the second agent is in the range from about 100;1 to about 1:1.
- Assignee:
- Phillips Petroleum Co., Bartlesville, OK
- Patent Number(s):
- US 4618433
- OSTI ID:
- 5058488
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
ADDITIVES
ALKYLATION
AQUEOUS SOLUTIONS
AROMATICS
CARBOXYLIC ACIDS
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
DISPERSIONS
DRILLING FLUIDS
FLUIDS
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
MIXTURES
ORGANIC ACIDS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PHENOLS
POLYPHENOLS
QUANTITY RATIO
SOLIDS
SOLUBILITY
SOLUTIONS
SULFONATION
TANNIC ACID
TIN COMPOUNDS
WATER
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
ADDITIVES
ALKYLATION
AQUEOUS SOLUTIONS
AROMATICS
CARBOXYLIC ACIDS
CHEMICAL COMPOSITION
CHEMICAL REACTIONS
DISPERSIONS
DRILLING FLUIDS
FLUIDS
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
MIXTURES
ORGANIC ACIDS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PHENOLS
POLYPHENOLS
QUANTITY RATIO
SOLIDS
SOLUBILITY
SOLUTIONS
SULFONATION
TANNIC ACID
TIN COMPOUNDS
WATER