Sand consolidation method employing latex

Patent · Tue Mar 17 04:00:00 EST 1987

OSTI ID:6677263

Friedman, R H

A method is described of treating a subterranean, unconsolidated sand and petroleum containing formation penetrated by at least one well, which is in fluid communication with at least a portion of the unconsolidated sand containing subterranean formation. This forms a flexible, permeable barrier around the well which restrains the movement of sand particles into the well while permitting the passage of formation fluids including petroleum there through. The method comprises: a. forming a predetermined quantity of a treating fluid comprising a water external phase emulsion having as its dispersed or discontinuous phase, a predetermined amount of an oil-insoluble rubber. The emulsion also contains a predetermined quantity of a material which hydrolyzes at reservoir temperature to form an acid; b. injecting the treating fluid into the formation to be consolidated; and c. leaving the fluid undisturbed in the formation for a predetermined period of time sufficient to allow the emulsion to break so the oil insoluble rubber coats the sand grains, forming a competent permeable barrier around the wellbore.

• Assignee: Texaco, Inc., White Plains, NY
• Patent Number(s): US 4649998
• OSTI ID: 6677263
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
CHEMICAL REACTIONS
COATINGS
COLLOIDS
DECOMPOSITION
DEPOSITION
DISPERSIONS
ELASTOMERS
EMULSIONS
FLEXIBILITY
FLUID FLOW
FLUID INJECTION
FLUIDS
GEOLOGIC DEPOSITS
HYDROGEN COMPOUNDS
HYDROLYSIS
LATEX
LYSIS
MECHANICAL PROPERTIES
MINERAL RESOURCES
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
OXYGEN COMPOUNDS
PERMEABILITY
PETROLEUM DEPOSITS
POLYMERS
PROTECTIVE COATINGS
RESERVOIR FLUIDS
RESERVOIR TEMPERATURE
RESOURCES
RUBBERS
SAND CONSOLIDATION
SOLUBILITY
SOLVOLYSIS
SURFACE COATING
TENSILE PROPERTIES
TIME DEPENDENCE
WATER
WELL COMPLETION
WELLS