Pumpable epoxy resin composition
AssigneeHalliburton Company
InventorsRobert C. Cole, Ronney R. Koch, Joseph Ramos
Life of this patent
Estimating the term…
Abstract
An epoxy resin composition curable to a hard impermeable solid which contains a liquid aromatic diluent having the general formula: C.sub.6 (R.sub.1).sub.6 wherein R.sub.1 is hydrogen; a straight or branched chain alkyl radical; a cycloparaffin radical or a mixture thereof; wherein the alkyl and cycloparaffin radicals have within the range of about 1 to 10 carbon atoms; and further wherein at least one R.sub.1 group is said alkyl or cycloparaffin radical.
Claims13
A method of completing a well bore penetrating a subterranean formation, comprising the steps of placing in the space between a conduit traversing the well bore penetrating the subterranean formation and the subterranean formation an epoxy composition containing about 20-40 parts by volume of an aromatic diluent composition, wherein said aromatic diluent is selected to prevent premature setting by absorbing heat and to provide a cured epoxy resin composition occupying substantially the same volume as said pumpable epoxy resin;
- maintaining said epoxy resin composition in said space until said epoxy resin composition cures to a high strength, impermeable matrix with a weight loss of less than about 20 parts per 100 parts by weight of said pumpable epoxy resin composition;
- said pumpable epoxy resin composition comprising an epoxy resin, a curing agent and said selected aromatic diluent;
- wherein said selected aromatic diluent is at least one or a mixture containing an aromatic hydrocarbon of the general formula C.sub.6 (R.sub.1).sub.6 wherein R.sub.1 is hydrogen, a straight or branched chain alkyl radical, a cycloparaffin radical or a mixture thereof;
- wherein each alkyl and cycloparaffin radical has about 1-10 carbon atoms;
- and further wherein at least one R.sub.1 group is said radical.
A method of completing a well bore penetrating a subterranean formation, comprising the steps of placing in a space between a conduit traversing the well bore penetrating the subterranean formation and the subterranean formation an epoxy composition containing about 20-40 parts by volume of an aromatic diluent composition, wherein said aromatic diluent is selected to prevent premature setting by absorbing heat and to provide a cured epoxy resin composition occupying substantially the same volume as said pumpable epoxy resin;
- maintaining said epoxy resin composition in said space until said epoxy resin composition cures to a high strength, impermeable matrix with a weight loss of less than about 20 parts per 100 parts by weight of said pumpable epoxy resin composition;
- said pumpable epoxy resin composition comprising an epoxy resin, a curing agent and said selected aromatic diluent;
- wherein said selected aromatic diluent is at least one or a mixture containing an aromatic hydrocarbon of the general formula C.sub.6 H.sub.2 (R.sub.2).sub.4 ;
- wherein R.sub.2 is hydrogen, a straight or branched chain alkyl radical;
- a cycloparaffin radical or a combination of said radicals;
- wherein each of said radicals have about 1-6 carbon atoms and wherein at least two R.sub.2 groups are said radicals.
Dependencies are inferred from the claim text.