Patent application number | Description | Published |
20100137169 | Method for Treating a Fractured Formation - The present invention includes compositions and methods of treating a hydrocarbon-bearing formation, the formation having at least one fracture, by contacting the fracture with a composition that includes a solvent and a nonionic fluorinated polymeric surfactant, wherein the composition interacts with at least a portion of the proppants in the fracture. | 06-03-2010 |
20100152071 | Method for Treating a Formation with a Solvent - The present invention includes compositions and methods for treating a hydrocarbon-bearing formation by contacting the hydrocarbon-bearing formation with a fluid that includes at least one of a polyol or polyol ether, wherein the polyol and polyol ether independently have from 2 to 25 carbon atoms; and at least one of a monohydroxy alcohol, ether, or ketone, wherein the monohydroxy alcohol, ether, and ketone independently have from 1 to 4 carbon atoms, and wherein the at least one of a polyol or polyol ether is present in the fluid at at least 50 weight percent, based on the total weight of the fluid. | 06-17-2010 |
20100167964 | Compositions and Methods for Treating a Water Blocked Well - The present invention includes a method of treating a hydrocarbon-bearing clastic formation having non-connate water by contacting the hydrocarbon-bearing clastic formation with a composition that includes a solvent and a nonionic fluorinated polymeric surfactant wherein the solvent at least partially displaces or solubilizes the water in the formation. | 07-01-2010 |
20100224361 | Compositions and Methods for Treating a Water Blocked Well - The present invention includes a method of treating a hydrocarbon-bearing clastic formation having non-connate water, the method includes contacting the hydrocarbon-bearing clastic formation with a composition that includes a solvent and a surfactant wherein the solvent at least partially displaces or solubilizes the water in the formation. | 09-09-2010 |
20100292110 | USE OF FLUOROCARBON SURFACTANTS TO IMPROVE THE PRODUCTIVITY OF GAS AND GAS CONDENSATE WELLS - The present invention includes composition having a nonionic, fluorinated polymeric surfactant, water and solvent. Embodiments of compositions according to the present invention are useful, for example, for recovering hydrocarbons from subterranean clastic formations. | 11-18-2010 |
20100319920 | METHODS FOR IMPROVING THE PRODUCTIVITY OF OIL PRODUCING WELLS - Methods for treating formations bearing brine and at least one of black oil or volatile oil using a composition containing a nonionic polymer and solvent. The solvent at least one of solubilizes or displaces at least one of brine or oil in the formation. Methods for making a composition for treating a formation bearing brine an at least one of black oil or volatile oil are also disclosed. | 12-23-2010 |
20110048721 | DI-FUNCTIONAL SURFACTANTS FOR ENHANCED OIL RECOVERY - The present invention describes the synthesis and use of cleavable di-functional anionic surfactants for enhanced oil recovery applications and/or the use of sacrificial surfactants. | 03-03-2011 |
20110059872 | COMPOSITIONS AND METHODS FOR CONTROLLING THE STABILITY OF ETHERSULFATE SURFACTANTS AT ELEVATED TEMPERATURES - The present invention describes the method of making an ether sulfate surfactant solution hydrolytically stable by adding one or more alkalinity generating agents at levels greater than 0.05%. The surfactant solutions of the present invention have half-lives >8 months at 100° C. and find uses in EOR applications, environmental cleanups, detergent industry, and any other surfactant based high temperature applications. | 03-10-2011 |
20110059873 | PROCESS OF USING HARD BRINE AT HIGH ALKALINITY FOR ENHANCED OIL RECOVERY (EOR) APPLICATIONS - The present invention describes the use of EDTA and/or alkali treated hard brine at high pH for making ASP formulations for EOR applications. | 03-10-2011 |
20110071057 | METHOD OF MANUFACTURE AND USE OF LARGE HYDROPHOBE ETHER SULFATE SURFACTANTS IN ENHANCED OIL RECOVERY (EOR) APPLICATIONS - The present invention describes the method of making anionic ether sulfate surfactants by alkoxylation of a GA using PO and/or EO followed by a sulfation reaction. The GA of the present invention is made by a facile and inexpensive method that involves high temperature base catalyzed dimerization of a linear alcohol. The ether sulfate surfactants of the present invention find uses in EOR applications where it is used for solubilization and mobilization of oil and for environmental cleanup. | 03-24-2011 |
20110190174 | Styrylphenol Alkoxylate Sulfate as a New Surfactant Composition for Enhanced Oil Recovery Applications - A method of making a styryl phenol alkoxylate sulfate surfactant by alkoxylation of a styryl phenol using propylene oxide (PO) and/or ethylene oxide (EO) followed by a sulfation reaction. The styrylphenol alkoxylate sulfate surfactant of the present invention is made by a facile and inexpensive method. The large hydrophobe surfactants of the present invention find uses in EOR applications where it is used for solubilization and mobilization of oil optionally containing asphaltene, and for environmental cleanup. Further, the unsulfated version of the large hydrophobe styrylphenol alkoxylate surfactant of the present invention can be used as an ultra-high molecular weight non-ionic surfactant. | 08-04-2011 |
20110201531 | Method for Treating Hydrocarbon-Bearing Formations with Fluorinated Epoxides - A method of treating a hydrocarbon-bearing formation with a fluorinated epoxide and a treated hydrocarbon-bearing formation. A method of making proppants is also disclosed, which includes combining a plurality of particles with a fluorinated epoxide. The particles comprise at least one of sand, resin-coated sand, ceramic, thermoplastic, clay, bauxite, nut or seed shells, fruit pits, or wood. A particle treated with a ring-opened product of a fluorinated epoxide is also disclosed, wherein the particle comprises one of sand, resin-coated sand, ceramic, thermoplastic, clay, bauxite, nut or seed shells, fruit pits, or wood. | 08-18-2011 |
20110281779 | Novel Anionic Polyalkoxy Group Comprising Surfactants on Basis of Guerbet-Alcohols, Method of Manufacture and Use in Enhanced Oil Recovery (EOR) Applications - Compositions and methods of synthesis of anionic surfactants by alkoxylation of a Guerbet alcohol (GA) having 12 to 36 carbon atoms using butylene oxide, and optionally propylene oxide and/or ethylene oxide followed by the incorporation of a terminal anionic group are described herein. The GA of the present invention is made by a facile and inexpensive method that involves high temperature base catalyzed dimerization of alcohols with 6 to 18 carbon atoms. The large hydrophobe ether surfactants of the present invention find uses in enhanced oil recovery (EOR) applications where it is used for solubilization and mobilization of oil and for environmental cleanup. Further, the hydrophobe alkoxylated GA without anionic terminal group can be used as an ultra-high molecular weight non-ionic surfactant. | 11-17-2011 |
20110290482 | Surfactant-Less Alkaline-Polymer Formulations for Recovering Reactive Crude Oil - Compositions and methods for oil recovery using a surfactant-less alkaline-polymer system in hard water or hard brine is described in the instant invention. The formulation further includes a chelating agent, an alkaline agent (which can be the same as the chelating agent), and a co-solvent. The formulations as disclosed herein are capable of forming a surfactant in-situ resulting in Winsor Type III micro-emulsions of low interfacial tension. | 12-01-2011 |
20120038174 | Storing Carbon Dioxide and Producing Methane and Geothermal Energy from Deep Saline Aquifers - A novel idea involving the coupling of CO | 02-16-2012 |
20120101010 | ALKOXY CARBOXYLATE SURFACTANTS - Provided herein are inter alia novel compositions and methods having application in a variety of fields including the field of enhanced oil recovery, the cleaning industry as well as groundwater remediation. In particular, the alkoxy carboxylate compounds and mixtures thereof presented herein can be used, inter alia, for the recovery of a large range of crude oil compositions from challenging reservoirs. | 04-26-2012 |
20130150269 | LIGHT CO-SOLVENT COMPOSITIONS - Provided herein are inter alia non-surfactant aqueous compositions and methods having application in the field of enhanced oil recovery. In particular, non-surfactant compositions including light co-solvents and an alkali agent presented herein can be used, inter alia, for the recovery of a large range of crude oil compositions from challenging reservoirs. | 06-13-2013 |
20130252855 | NOVEL USE OF A MILD ALKALINE AGENT IN CHEMICAL EOR - Aqueous compositions including a mild alkaline agent (i.e. compound of formula (I) or (V)) and a surfactant are provided. The compositions and methods of using the same are particularly useful in the field of enhanced oil recovery. | 09-26-2013 |
20130277276 | QUATERNARY AMMONIUM SURFACTANTS - Provided herein, inter alia, are novel compositions and methods having application in the field of enhanced oil recovery. In particular, the quaternary ammonium compounds and mixtures thereof presented herein can be used, inter alia, for the recovery of a large range of crude oil compositions from challenging reservoirs. | 10-24-2013 |
20130281327 | ALKYL HYDROPHOBE SURFACTANTS - Provided herein are inter alia novel compositions and methods having application in the field of enhanced oil recovery. In particular, the short hydrophobe compounds and mixtures thereof presented herein can be used, inter alia, for the recovery of a large range of crude oil compositions from challenging reservoirs. | 10-24-2013 |
20140182851 | NOVEL ANIONIC POLYALKOXY GROUP COMPRISING SURFACTANTS ON BASIS OF GUERBET-ALCOHOLS, METHOD OF MANUFACTURE AND USE IN ENHANCED OIL RECOVERY (EOR) APPLICATIONS - Compositions and methods of synthesis of anionic surfactants by alkoxylation of a Guerbet alcohol (GA) having 12 to 36 carbon atoms using butylene oxide, and optionally propylene oxide and/or ethylene oxide followed by the incorporation of a terminal anionic group are described herein. The GA of the present invention is made by a facile and inexpensive method that involves high temperature base catalyzed dimerization of alcohols with 6 to 18 carbon atoms. The large hydrophobe ether surfactants of the present invention find uses in enhanced oil recovery (EOR) applications where it is used for solubilization and mobilization of oil and for environmental cleanup. Further, the hydrophobe alkoxylated GA without anionic terminal group can be used as an ultra-high molecular weight non-ionic surfactant. | 07-03-2014 |
20140238671 | PHENOL-ALKOXYLATE CO-SOLVENT SURFACTANT COMPOSITION - Provided herein are, inter alia, compositions including a surfactant and a phenol-alkoxylate co-solvent useful in enhanced oil recovery. The compositions and methods provided herein are particularly useful for oil recovery under a broad range of reservoir conditions (e.g. high to low temperatures, high to low salinity, highly viscous oils). | 08-28-2014 |
20140238679 | TRANSPORT OF HEAVY OIL - Provided herein are, inter alia, heavy crude oil emulsion compositions and methods of making the same. The compositions and methods provided herein are particularly useful for the transport of heavy crude oils. | 08-28-2014 |
20140317999 | USE OF AMINES IN RECOVERY OF ACTIVE OILS - Provided herein, inter alia, are methods and compositions useful for heavy crude oil recovery. The emulsion compositions and non-surfactant aqueous compositions provided herein may be particularly useful for the recovery of heavy crude oils under a broad range of reservoir conditions (e.g. high to low temperatures, high to low salinity, highly viscous oils). | 10-30-2014 |
20140319026 | SHORT CHAIN ALKYLAMINE ALKOXYLATE COMPOSITIONS - Provided herein are, inter alia, compositions including a surfactant and a novel compound useful in enhanced oil recovery. The compositions and methods provided herein may be particularly useful for oil recovery under a broad range of reservoir conditions (e.g. high to low temperatures, high to low salinity, highly viscous oils). | 10-30-2014 |
20140323369 | USE OF AMINES IN HEAVY OIL TRANSPORT - Provided herein are, inter alia, heavy crude oil emulsion compositions and methods of making the same. The compositions and methods provided herein are particularly useful for the transport of heavy crude oils. | 10-30-2014 |
20140364347 | DI-FUNCTIONAL ANIONIC SURFACTANTS FOR ENHANCED OIL RECOVERY - The present invention describes the synthesis and use of cleavable di-functional anionic surfactants for enhanced oil recovery applications and/or the use of sacrificial surfactants. | 12-11-2014 |
20150048007 | MULTIVALENT MINERAL CATION TOLERANT ALKALI SYSTEM FOR CHEMICAL EOR - Provided herein are, inter alia, compositions and methods for enhanced oil recovery in the presence of multivalent mineral cations. The aqueous and emulsion compositions provided herein include a boron oxygenate and may be useful for the recovery of unrefined petroleum materials from mineral-bearing reservoirs. | 02-19-2015 |