Resin composition and methods of consolidating particulate solids in wells with or without closure pressure
AssigneeHalliburton Energy Services, Inc.
InventorsBradley L. Todd, Billy F. Slabaugh, Ronald J. Powell, Joseph G. Yaritz
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Abstract
Improved hardenable resin compositions and methods of consolidating particulate solids in subterranean zones penetrated by well bores are provided. The improved hardenable resin compositions of the invention are basically comprised of a hardenable organic resin, an aminosilane resin-to-particulate solid coupling agent, a viscous carrier fluid breaker for breaking separating films of viscous carrier fluid between resin coated particulate solids and a surface active agent for causing the resin composition to flow to the contact points between resin coated particulate solids.
Claims20
A method of consolidating particulate solids in a subterranean zone penetrated by a wellbore when there is a lack of closure pressure exerted on the particulate solids in the zone or when the particulate solids are seperated by films of unbroken viscous carrier fluid in the zone, or both, comprising the steps of:
- (a) preparing a hardenable resin composition comprised of a hardenable organic resin, an aminosilane resin-to-particulate solid coupling agent, a viscous carrier fluid breaker for breaking said carrier fluid films and a surface active agent for causing said resin composition to flow to contact points between said particulate solids;
- (b) injecting said composition prepared in step (a) into said subterranean zone and coating said particulate solids present therein with said hardenable resin composition prepared in step (a);
- and
- (c) allowing said resin composition to harden and consolidate said particulate solids in said zone into a permeable pack of high compressive strength.
A method of consolidating particulate solids placed in a subterranean zone penetrated by a well bore when there is a lack of closure pressure exerted on the particulate solids in the zone or when the particulate solids are separated by films of an unbroken viscous carrier fluid in the zone, or both, comprising the steps of:
- (a) preparing a hardenable resin composition comprised of a hardenable organic resin, an aminosilane resin-to-particulate solid coupling agent, a viscous carrier fluid breaker for breaking said carrier fluid films and a surface active agent for causing said resin composition to flow to contact points between said particulate solids;
- (b) suspending said particulate solids in a viscous carrier fluid;
- (c) coating said particulate solids with said hardenable resin composition prepared in step (a);
- (d) pumping said carrier fluid containing resin coated particulate solids into said zone by way of said well bore and depositing said resin coated particulate solids therein;
- and
- (e) allowing said resin composition to harden and consolidate said particulate solids in said zone into a permeable pack of high compressive strength.
Dependencies are inferred from the claim text.