Patent classifications
C09K8/5755
INCORPORATION OF CLAY INTO CURABLE RESIN SYSTEM
A resin-clay composition includes a first mixture including an epoxy resin and a nano-clay; and a curing agent added to the first mixture to produce a second mixture, wherein a presence of the nano-clay causes a change in curing time of the epoxy resin. The second mixture may be added into a hydrocarbon well for aggregating particulate matter. A percentage of the epoxy resin in the second mixture may include a range of about 10 to about 90 percent. A percentage of the clay in the second mixture may include a range of about 0 to about 20 percent, and wherein a percentage of the curing agent in the second mixture may include a range of about 10 to about 90 percent. The epoxy resin may include Diglycidyl ether of Bisphenol A epoxy resin.
Multi-Component Solid Epoxy Proppant Binder Resins
Methods and materials for sand control in water injection sites are disclosed. Proppant particles may be coated with some particles coated with a solid epoxy and other proppant particles coated with a solid epoxy curative (such as amine, hydroxyl, carboxyl, anhydride) that would bind the particles through an epoxy reaction. The invention may be advantageous for forming underground structures useful in the extraction of hydrocarbons.
Surface modification agent emulsions comprising hydrophobically modified amine-containing polymers for use in subterranean formations
Methods including preparing a surface modification agent emulsion comprising an aqueous base fluid, a surfactant, and a hydrophobically-modified amine-containing polymer (HMAP), the HMAP comprising a plurality of hydrophobic modifications on an amine-containing polymer, and wherein the aqueous base fluid forms an external phase of the surface modification agent emulsion and the HMAP forms an internal phase of the surface modification agent emulsion; and introducing the surface modification agent emulsion into a subterranean formation.
Biodegradable Additive Suitable for Use in Wellbore Fluids
A wellbore fluid comprising an aqueous base fluid and a plurality of particles of a polyhydroxyalkanoate latex polymer having the formula: [OCHR(CH.sub.2).sub.mCO].sub.n, wherein m is a value ranging from 1 to 10 and n is a value equal to or less than 20000.
Methods and compositions of treating subterranean formations with a novel resin system
Embodiments including methods of treating a subterranean formation comprising providing a solvent-based treatment fluid comprising a liquid resin agent, wherein the liquid resin agent comprises the reaction product of a multifunctional electrophilic compound comprising at least two electrophilic reactive groups and at least one nucleophilic compound selected from the group consisting of a dimer acid; a dimer diamine; any derivative thereof; and any combination thereof, and wherein the multifunctional electrophilic compound comprises at least two electrophilic reactive groups; introducing the solvent-based treatment fluid into the subterranean formation; and curing the liquid resin agent.
Polymerizable monomer compositions comprising monomers with high affinity for sand grain surfaces for sand consolidation applications
A method of treating a subterranean formation including providing a treatment fluid comprising an aqueous base fluid, a polyvalent metal salt of a carboxylic acid containing monomer, and a cationic monomer. The treatment fluid is combined with a polymerization initiator and is introduced into a subterranean formation. Upon contacting unconsolidated proppants, the treatment method produces consolidated proppants.
FOAMED CURABLE RESIN FLUIDS
A foamed treatment fluid comprising: an external phase, wherein the external phase comprises: (A) water; (B) a curable resin; and (C) a foaming agent; and an internal phase, wherein the internal phase comprises an inert gas. A method of treating particles of a particle pack located in a subterranean formation comprising: introducing the foam into the subterranean formation; and consolidating the particles of the particle pack after introduction into the subterranean formation.
Methods and systems for sequestering carbon dioxide in a subterranean formation
Carbon dioxide generation in a subterranean formation can be problematic for a number of reasons. Accordingly, it can be desirable to sequester at least a portion of the carbon dioxide that may be present in a subterranean formation, thereby decreasing a quantity of free carbon dioxide. Methods for sequestering carbon dioxide can comprise: providing a CO.sub.2-sequestering polymer, the CO.sub.2-sequestering polymer sequestering carbon dioxide more readily than it does nitrogen; introducing the CO.sub.2-sequestering polymer into a subterranean formation that contains carbon dioxide; and interacting the CO.sub.2-sequestering polymer with the carbon dioxide in the subterranean formation, so as to decrease a quantity of free carbon dioxide that is present in the subterranean formation.
Control of resin curing
Systems and methods of treating a zone of a subterranean formation penetrated by a wellbore are described. A composition may include a first solution including at least one amine containing resin; and citraconic anhydride. The composition may also include a second solution mixed with the first solution, where the second solution includes at least one epoxide containing resin. Methods may include providing the treatment fluid to a subterranean formation.
Delayed curing silane-based curable resin system
Method involving consolidation compositions comprising an aqueous-based fluid, a silane-based resin, a silane-based amine curing agent, and a delaying agent. The silane-based resin is an epoxy-functionalized alkoxysilane selected from the group consisting of: (3 glycidoxypropyl)trimethoxysilane, (3 glycidoxypropyl)triethoxysilane, 5,6 epoxyhexyltriethoxysilane, (3 glycidoxypropyl)methyldiethoxysilane, (3 glycidoxypropyl)methyldimethoxysilane, and (3 glycidoxypropyl)dimethylethoxysilane. The silane-based amine curing agent is selected from the group consisting of: a polyamine, a hydrophobically modified polyamine, a polyimine, a hydrophobically modified polyimine, a polyalcohol, a hydrophobically modified polyacrylamide, a hydrophobically modified polyacrylate, and any combination thereof. The delaying agent is selected from the group consisting of: methyltrichlorosilane, dimethyldichlorosilane, trimethylchlorosilane, and any combination thereof.