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Aqueous drilling fluid additive, composition and process

Patent ·
OSTI ID:5771522
; ;
The invention relates to an aqueous drilling fluid composition, a filtration control agent for utilization in said aqueous drilling fluid, and a method of forming a filter cake on the wall of a well for the reduction of filtrate from said drilling fluid, which are effective at high temperatures and pressures, by utilization of a terpolymer of: (1) a monovalent alkali metal salt of acrylic acid; (2) an hydroxy alkyl acrylate; and (3) acrylamide.
Assignee:
Milchem Inc
Patent Number(s):
US 4288582
OSTI ID:
5771522
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
ACRYLAMIDE
ACRYLATES
ACRYLIC ACID
ADDITIVES
AMIDES
AQUEOUS SOLUTIONS
CARBOXYLIC ACID SALTS
CARBOXYLIC ACIDS
CONTROL
DISPERSIONS
DRILLING FLUIDS
FILTRATION
FLUIDS
HIGH TEMPERATURE
MIXTURES
MONOCARBOXYLIC ACIDS
NATURAL GAS WELLS
OIL WELLS
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
POLYMERS
SALTS
SEPARATION PROCESSES
SOLUTIONS
WELLS