Oil base well treating fluids thickened by block copolymers
Patent
·
OSTI ID:5400714
An oil based well treating fluid, is described which consists of: a liquid mixture of aliphatic and aromatic hydrocarbons containing (1) at least one dissolved or dispersed polymer of the group consisting of at least one arene/diene block copolymer and mixtures of at least one arene/diene block copolymer with one or more solution-compatible thermoplastic polymers, with the block copolymers having at least one elastomeric block portion and one or more thermoplastic block portions and (2) at least one free-radical-forming polymer crosslinking agent of the group consisting of alkyl peroxides, dialkyl peroxides, hydroperoxides, acyl peroxides and peroxy ketals capable of crosslinking at least one of the dissolved or dispersed polymers within the liquid mixture at a temperature between the surface temperature at the well side and the reservoir temperatures.
- Assignee:
- Shell Oil Co., Houston, TX
- Patent Number(s):
- US 4595513
- OSTI ID:
- 5400714
- Country of Publication:
- United States
- Language:
- English
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·
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
ADDITIVES
AROMATICS
CHEMICAL REACTIONS
COPOLYMERS
CROSS-LINKING
DISPERSIONS
DISSOLUTION
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FOSSIL FUELS
FUELS
HYDROCARBONS
MATERIALS
MICROEMULSION FLOODING
MISCIBLE-PHASE DISPLACEMENT
MIXTURES
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM
PETROLEUM PRODUCTS
PLASTICS
POLYMERIZATION
POLYMERS
PUMPING
RECOVERY
RESERVOIR ROCK
RESERVOIR TEMPERATURE
ROCK-FLUID INTERACTIONS
STIMULATION
SYNTHETIC MATERIALS
TEMPERATURE DEPENDENCE
THERMOPLASTICS
TIME DEPENDENCE
VISCOSITY
WELL STIMULATION
WELLS
020300* -- Petroleum-- Drilling & Production
ADDITIVES
AROMATICS
CHEMICAL REACTIONS
COPOLYMERS
CROSS-LINKING
DISPERSIONS
DISSOLUTION
ENERGY SOURCES
ENHANCED RECOVERY
FLUID INJECTION
FOSSIL FUELS
FUELS
HYDROCARBONS
MATERIALS
MICROEMULSION FLOODING
MISCIBLE-PHASE DISPLACEMENT
MIXTURES
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PETROCHEMICALS
PETROLEUM
PETROLEUM PRODUCTS
PLASTICS
POLYMERIZATION
POLYMERS
PUMPING
RECOVERY
RESERVOIR ROCK
RESERVOIR TEMPERATURE
ROCK-FLUID INTERACTIONS
STIMULATION
SYNTHETIC MATERIALS
TEMPERATURE DEPENDENCE
THERMOPLASTICS
TIME DEPENDENCE
VISCOSITY
WELL STIMULATION
WELLS