Patent application number | Description | Published |
20090032437 | Catalytic Distillation Process for Primary Haloalkanes - A process for making primary haloalkanes by catalytic distillation of internal haloalkanes which comprises a) introducing an internal haloalkane feed into a catalytic distillation column; b) isomerizing at least a portion of the internal haloalkane feed in the presence of an internal haloalkane isomerization catalyst at a temperature at or above the boiling point of the internal haloalkanes and below the temperature and pressure at which hydrogen halide is formed to form primary haloalkanes; and removing the primary haloalkanes from the catalytic distillation column. | 02-05-2009 |
20090054274 | Formation of Heteroatom Containing Derivatives of Paraffins - A process by which alkyl halides may be reacted (coupled) with nucleophilic materials in the presence of a homogeneous catalyst system. The process comprises reacting (coupling) alkyl halides with a nucleophilic material in the presence of a homogeneous catalyst system to produce derivatives of alkyl halides, wherein the homogeneous catalyst system comprises at least one metal or metal compound which has the ability to form metal-halogen bonds. | 02-26-2009 |
20090203557 | METHOD AND COMPOSITION FOR ENHANCED HYDROCARBONS RECOVERY - The present invention provides a method of treating a hydrocarbon containing formation comprising (a) providing a hydrocarbon recovery composition to at least a portion of the hydrocarbon containing formation, wherein the composition comprises one or more internal olefin sulfonates having 17 or more carbon atoms, (b) adding water and/or brine from the hydrocarbon formation to the composition, (c) adding a solubilizer which comprises an ethoxylated alcohol wherein the alcohol before ethoxylation had an average molecular weight of at least about 220 and (d) allowing the composition to interact with hydrocarbons in the hydrocarbon containing formation. The solubilizer may comprise less than about 0.1 wt %, preferably from about 0.02 to about 0.05 wt %, of the total composition and it may have from about 5 to about 9 moles of ethylene oxide per mole of alcohol. | 08-13-2009 |
20090203558 | METHOD AND COMPOSITION FOR ENHANCED HYDROCARBONS RECOVERY - A method of treating a hydrocarbon containing formation is described. The method includes (a) providing a hydrocarbon recovery composition to at least a portion of the hydrocarbon containing formation, wherein (i) when the salinity of the brine is from about 2 wt % to about 4 wt %, the composition comprises a blend of a C | 08-13-2009 |
20090270655 | Conversion of Alkylhalides Into Alcohol Alkoxylates - A process for converting alkyl halides to alkyl alcohol alkoxylates is described. This is a direct alkoxylation because the alkyl alcohol alkoxylates are made without going through an alkyl alcohol intermediate. The process comprises direct alkoxylation coupling of alkyl halides with a nucleophilic material in the presence of a homogeneous catalyst system to produce alkyl alcohol alkoxylates, wherein the homogeneous catalyst system comprises at least one metal or metal compound which has the ability to form metal-halogen bonds. A process for converting alkanes (paraffins) to alkyl alcohol alkoxylates is also described. This method comprises a) halogenation of at least one alkane to produce at least one alkyl halide; and b) direct alkoxylation coupling of at least a portion of the alkyl halide with a nucleophilic material in the presence of a homogeneous catalyst system to produce alkyl alcohol alkoxylates, wherein the homogeneous catalyst system comprises at least one metal or metal compound which has the ability to form metal-halogen bonds. | 10-29-2009 |
20110017462 | METHOD AND COMPOSITION FOR ENHANCED HYDROCARBONS RECOVERY - A method of treating a hydrocarbon containing formation, comprising (a) providing a composition to at least a portion of the hydrocarbon containing formation, wherein the composition comprises a glycerol sulfonate of a propoxylated primary alcohol having a branched aliphatic group with an average carbon number from 10 to 24 and having an average number of branches per aliphatic group of from 0.7 to 2.5 and having at least 0.5 moles of propylene oxide per mole of primary alcohol; and (b) allowing the composition to interact with hydrocarbons in the hydrocarbon containing formation. | 01-27-2011 |
20110021389 | METHOD AND COMPOSITION FOR ENHANCED HYDROCARBONS RECOVERY - A method of treating a hydrocarbon containing formation, comprising (a) providing a hydrocarbon recovery composition to at least a portion of the hydrocarbon containing formation, wherein the hydrocarbon recovery composition comprises a propoxylated composition which comprises (1) a glycerol sulfonate of a propoxylated primary alcohol having a branched aliphatic group with an average carbon number from 10 to 24 and having an average number of branches per aliphatic group of from 0.7 to 2.5 and having at least 0.5, preferably from 3 to 12, moles of propylene oxide per mole of primary alcohol and (2) polypropylene glycol; provided that the primary alcohol is propoxylated by contacting the alcohol with propylene oxide in the presence of a catalytically effective amount of one or more of the phosphate salts of lanthanum series elements or the rare earth elements, preferably a carbonate salt thereof, wherein the propoxylated composition comprising the propoxylated alcohol and from 1 to 30 wt % of polypropylene glycol is produced; and (b) allowing the composition to interact with hydrocarbons in the hydrocarbon containing formation. | 01-27-2011 |
20110028359 | METHOD AND COMPOSITION FOR ENHANCED HYDROCARBONS RECOVERY - A method of treating a hydrocarbon containing formation, comprising (a) providing a composition to at least a portion of the hydrocarbon containing formation, wherein the composition comprises a derivative selected from the group consisting of a carboxylate or a sulfate or glycerol sulfonate of an ethoxylated/propoxylated primary alcohol having a branched aliphatic group with an average carbon number from 10 to 24 and having an average number of branches per aliphatic group of from 0.7 to 2.5 and having at least 0.5 moles of propylene oxide per mole of primary alcohol and having at least 0.5 moles of ethylene oxide per mole of primary alcohol; and (b) allowing the composition to interact with hydrocarbons in the hydrocarbon containing formation. | 02-03-2011 |
20120160487 | METHOD AND COMPOSITION FOR ENHANCED HYDROCARBON RECOVERY FROM A FORMATION CONTAINING A CRUDE OIL WITH SPECIFIC SOLUBILITY GROUPS AND CHEMICAL FAMILIES - A method of treating a formation containing crude oil with specific solubility groups and chemical families is described. The method includes (a) providing a hydrocarbon recovery composition to at least a portion of a formation containing crude oil with specific solubility groups and chemical families, wherein the composition comprises a C | 06-28-2012 |
20120181025 | METHOD AND COMPOSITION FOR ENHANCED HYDROCARBONS RECOVERY FROM A VERY HIGH SALINITY, HIGH TEMPERATURE FORMATION - A method of treating a very high salinity high temperature hydrocarbon containing formation is described. The method includes (a) providing a hydrocarbon recovery composition to at least a portion of a hydrocarbon containing formation having a brine salinity of above about 13 wt % and a temperature of above about 7° C., wherein the composition comprises a C | 07-19-2012 |
20130199788 | METHOD AND COMPOSITION FOR ENYHANCED HYDROCARBONS RECOVERY - A method of treating a formation containing crude oil is described. The method includes (a) providing a hydrocarbon recovery composition to at least a portion of a formation containing crude oil wherein the composition comprises a high molecular weight internal olefin sulfonate and a viscosity reducing compound; and (b) allowing the composition to interact with hydrocarbons in the crude oil containing formation. | 08-08-2013 |
20130296201 | METHOD AND COMPOSITION FOR ENHANCED HYDROCARBONS RECOVERY - An injectable fluid for treating a hydrocarbon containing formation is described. The injectable fluid includes ((i) when the salinity of the brine is from about 2 wt % to about 4 wt %, a composition that comprises a blend of a C | 11-07-2013 |
20140005082 | METHOD AND COMPOSITION FOR ENHANCED HYDROCARBONS RECOVERY FROM A FORMATION CONTAINING A CRUDE OIL | 01-02-2014 |
20140353250 | USE OF LONG CHAIN INTERNAL OLEFIN SULFONATES - The present invention provides a method for treating a formation containing crude oil hydrocarbons, comprising injecting an aqueous composition comprising an internal olefin sulfonate with a nominal carbon chain length between 24 to 44 into said formation and displacing said crude oil hydrocarbons toward one or more production wells. The invention further provides a method for treating a formation containing crude oil hydrocarbons, a method for improving the wettability of a subsurface surface in an subsurface formation containing crude oil hydrocarbons, and a method for separating crude oil hydrocarbons from crude oil hydrocarbons compositions. | 12-04-2014 |