Patent application number | Description | Published |
20090050315 | RING REDUCTION VIA NATURAL ANAEROBIC MICROBIOLOGICAL ACTIVITY FOR TRANSFORMATION OF CRUDE OIL-ASSOCIATED AROMATIC CHEMICALS - The viscosity of the crude oil is reduced through reductive biotransformation of aromatic components of the crude oil by enhancing the biochemical capabilities of the natural anaerobic microbial populations of the well. | 02-26-2009 |
20090050331 | Method For Enhanced Recovery Of Oil From Oil Reservoirs - The present invention provides a method for enhancing the recovery of oil from a subterranean reservoir using waterflooding, wherein the flooding fluid used in the waterflooding process comprises water and comminuted feathers. The use of comminuted feathers is expected to increase the recovery of oil by improving sweep efficiency. | 02-26-2009 |
20090118464 | PREPARATION OF POLYTRIMETHYLENE ETHER GLYCOL OR COPOLYMERS THEREOF - This invention relates to a process for preparing polytrimethylene ether glycols or copolymers thereof having a number-average molecular weight of at least about 250 g/mole by a polycondensation reaction using at least one acid catalyst. | 05-07-2009 |
20090118465 | PREPARATION OF POLYTRIMTHYLENE ETHER GLYCOL OR COPOLYMERS THEREOF - This invention relates to a process for preparing polytrimethylene ether glycols or copolymers thereof by a polycondensation reaction using at least one acid catalyst, wherein the temperature of the reaction is controlled such that the average temperature during the first half of the reaction is higher than the average temperature during the second half of the reaction. | 05-07-2009 |
20090197779 | METHOD FOR ENHANCED RECOVERY OF OIL FROM OIL RESERVOIRS - The present invention provides a method for recovering oil from a subterranean reservoir using waterflooding, wherein the flooding fluid used in the waterflooding process comprises water and one or more of 1,3-propanediol, oligomers of 1,3-propanediol and polymers of 1,3-propanediol. The use of 1,3-propanediol, oligomers and/or polymers thereof is expected to increase the recovery of oil by improving both the oil/water mobility ratio and the sweep efficiency in reservoirs with a high degree of heterogeneity. | 08-06-2009 |
20090260803 | IDENTIFICATION, CHARACTERIZATION, AND APPLICATION OF SHEWANELLA PUTREFACIENS (LH4:18), USEFUL IN MICROBIALLY ENHANCED OIL RELEASE - The present disclosure relates to isolation, identification and application of | 10-22-2009 |
20090263887 | IDENTIFICATION, CHARACTERIZATION, AND APPLICATION OF PSEUDOMONAS STUTZERI (LH4:15), USEFUL IN MICROBIALLY ENHANCED OIL RELEASE - The present disclosure relates to isolation and identification of unique | 10-22-2009 |
20100034906 | STEAM DISTILLATION OF CATMINT PLANTS - This invention provides processes for improved recovery of essential oil from the catmint (catnip) plant | 02-11-2010 |
20100044031 | METHOD FOR IDENTIFICATION OF NOVEL ANAEROBIC DENITRIFYING BACTERIA UTILIZING PETROLEUM COMPONENTS AS SOLE CARBON SOURCE - A method for the phylogenetic identification of indigenous anaerobic denitrifying bacterial species in an oil well is described. The method avoids the process of enrichment of microbial samples. | 02-25-2010 |
20100078168 | METHOD FOR ENHANCED RECOVERY OF OIL FROM OIL RESERVOIRS - The present invention provides a method for recovering oil from a subterranean reservoir using waterflooding, wherein the flooding fluid used in the waterflooding process comprises water and one or more ionic polyvinyl alcohol copolymers. The use of one or more ionic polyvinyl alcohol copolymers is expected to increase the recovery of oil by improving both the oil/water mobility ratio and the sweep efficiency in reservoirs with a high degree of heterogeneity. | 04-01-2010 |
20100092404 | HYDROGENATION OF CARYOPHELLENE - A process for the hydrogenation of a mixture of caryophyllenes by contact with hydrogen in the presence of a supported catalyst. The resulting products are useful for the application to skin. | 04-15-2010 |
20100116034 | APPARATUS FOR MEASUREMENT OF IN-SITU VISCOSITY - An apparatus for measuring in situ the viscosity of a fluid within a vessel which includes an impeller paddle immersed in the fluid rotated by an electric motor connected to a shaft passing through a wall of the vessel. The impeller paddle is connected to the shaft by a toroidal spring. The electric motor is controlled by a variable voltage power supply controlled by a computer. Sensors are mounted on the impeller paddle and the shaft to sense the rotational positions of each and to generate electronic signals indicative thereof. The electronic signals are processed by signal processing circuitry to determining the deflection angle of the impeller paddle and the results sent to a computer, where the signals are recorded and analyzed to determine the viscosity of the fluid. | 05-13-2010 |
20100121583 | METHOD FOR MEASUREMENT OF IN-SITU VISCOSITY - A method for measuring in-situ the viscosity of a fluid within a vessel using an apparatus using a motor driven impeller paddle immersed in the fluid. A chemical or biological agent is added to the fluid. The impeller paddle is rotated and the rotational positions of impeller drive shaft and the paddle are sensed. The rotational speed of the shaft is determined and the deflection angle of the impeller paddle relative to the shaft is determined. The viscosity of the fluid is determined by a computer from a look up table containing deflection angle for fluids of known viscosities. The measurements are periodically repeated for a predetermined number of iterations to determine the change in viscosity caused by reaction of the fluid with the chemical or biological agent and the results are reported to a user. | 05-13-2010 |
20100145077 | HYDROGENATION OF CATMINT OIL - Disclosed are methods for treating catmint oil. The treated catmint oil can be used for the production of hydrogenated catmint oil, which is enriched in the insect repellent, dihydronepetalactone. | 06-10-2010 |
20110030956 | ALTERING THE INTERFACE OF HYDROCARBON-COATED SURFACES - Methods and compositions are provided wherein microorganisms are used to alter the interface of hydrocarbons and hydrocarbon-coated surfaces to increase oil recovery, for improved bioremediation and/or pipeline maintenance. | 02-10-2011 |
20110152498 | PROCESSES FOR PRODUCING POLYTRIMETHYLENE ETHER GLYCOL AND COPOLYMERS THEREOF - Processes for producing polytrimethylene ether glycol and copolymers thereof are provided wherein, by condensing and recycling at least a portion of the vapor phase produced as the reaction progresses, the yield loss and polymer color are reduced. | 06-23-2011 |
20110160102 | METHOD FOR ENHANCED RECOVERY OF OIL FROM OIL RESERVOIRS - The present invention provides a method for recovering oil from a subterranean reservoir using waterflooding, wherein the flooding fluid used in the waterflooding process comprises water and one or more ionic polyvinyl alcohol copolymers. The use of one or more ionic polyvinyl alcohol copolymers is expected to increase the recovery of oil by improving both the oil/water mobility ratio and the sweep efficiency in reservoirs with a high degree of heterogeneity. | 06-30-2011 |
20120006534 | METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS - A method to improve the effectiveness of MEOR or bioremediation processes has been disclosed. In this method toxic chemicals accumulated in subterranean sites adjacent to the water injection wells are either dispersed or removed prior to introduction of microbial inocula for enhanced microbial oil recovery or bioremediation of these sites. | 01-12-2012 |
20120006535 | METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS - A method to improve the effectiveness of MEOR or bioremediation processes has been disclosed. In this method toxic chemicals accumulated in subterranean sites adjacent to the water injection wells are either dispersed or removed prior to introduction of microbial inocula for enhanced microbial oil recovery or bioremediation of these sites. | 01-12-2012 |
20120006536 | METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS - A method to improve the effectiveness of MEOR or bioremediation processes has been disclosed. In this method toxic chemicals accumulated in subterranean sites adjacent to the water injection wells are either dispersed or removed prior to introduction of microbial inocula for enhanced microbial oil recovery or bioremediation of these sites. | 01-12-2012 |
20120006537 | METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS - A method to improve the effectiveness of MEOR or bioremediation processes has been disclosed. In this method toxic chemicals accumulated in subterranean sites adjacent to the water injection wells are either dispersed or removed prior to introduction of microbial inocula for enhanced microbial oil recovery or bioremediation of these sites. | 01-12-2012 |
20120006538 | METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS - A method to improve the effectiveness of MEOR or bioremediation processes has been disclosed. In this method toxic chemicals accumulated in subterranean sites adjacent to the water injection wells are either dispersed or removed prior to introduction of microbial inocula for enhanced microbial oil recovery or bioremediation of these sites. | 01-12-2012 |
20120006539 | METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS - A method to improve the effectiveness of MEOR or bioremediation processes has been disclosed. In this method toxic chemicals accumulated in subterranean sites adjacent to the water injection wells are either dispersed or removed prior to introduction of microbial inocula for enhanced microbial oil recovery or bioremediation of these sites. | 01-12-2012 |
20120006540 | METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS - A method to improve the effectiveness of MEOR or bioremediation processes has been disclosed. In this method toxic chemicals accumulated in subterranean sites adjacent to the water injection wells are either dispersed or removed prior to introduction of microbial inocula for enhanced microbial oil recovery or bioremediation of these sites. | 01-12-2012 |
20120006541 | METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS - A method to improve the effectiveness of MEOR or bioremediation processes has been disclosed. In this method toxic chemicals accumulated in subterranean sites adjacent to the water injection wells are either dispersed or removed prior to introduction of microbial inocula for enhanced microbial oil recovery or bioremediation of these sites. | 01-12-2012 |
20120006542 | METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS - A method to improve the effectiveness of MEOR or bioremediation processes has been disclosed. In this method toxic chemicals accumulated in subterranean sites adjacent to the water injection wells are either dispersed or removed prior to introduction of microbial inocula for enhanced microbial oil recovery or bioremediation of these sites. | 01-12-2012 |
20120006552 | METHOD FOR PRE-TREATMENT OF SUBTERRANEAN SITES ADJACENT TO WATER INJECTION WELLS - A method to improve the effectiveness of MEOR or bioremediation processes has been disclosed. In this method toxic chemicals accumulated in subterranean sites adjacent to the water injection wells are either dispersed or removed prior to introduction of microbial inocula for enhanced microbial oil recovery or bioremediation of these sites. | 01-12-2012 |
20120241148 | CONTROL OF FLUID FLOW DURING TREATMENT OF SUBTERRANEAN SITES USING WELL FLUID INJECTION - Disclosed herein is a method to control distribution of injected microorganisms, nutrients or other chemical treatment fluids from a single injection well to multiple production wells. The sweep efficiency is improved preventing premature production of fluids from production wells with short breakthrough times. This is a useful technique for treatment of subterranean target sites for practice of Microbial Enhanced Oil Recovery and bioremediation. | 09-27-2012 |
20120277126 | METHODS, STRAINS, AND COMPOSITIONS USEFUL FOR MICROBIALLY ENHANCED OIL RECOVERY: PSEUDOMONAS STUTZERI - Methods, microorganisms, and compositions are provided wherein oil reservoirs are inoculated with microorganisms belonging to | 11-01-2012 |
20120277127 | METHODS, STRAINS, AND COMPOSITIONS USEFUL FOR MICROBIALLY ENHANCED OIL RECOVERY: ARCOBACTER CLADE 1 - Methods, microorganisms, and compositions are provided wherein oil reservoirs are inoculated with microorganisms belonging to | 11-01-2012 |
20120295335 | PREVENTION OF CONTAMINATION OF NUTRIENT FEED RESERVOIRS & FEED LINES IN BIOREACTOR - A method to prevent contamination of feed line(s) and nutrient feed reservoirs(s) is disclosed. In this method the growth medium which flows from the nutrient feed reservoir through the feed line to the bioreactor contains at least one nutritional component supplied at a concentration which is inhibitory to cell growth. The inhibitory nutritional component in the growth medium prevents back growth of cells from the bioreactor into the feed line(s). The growth medium with inhibitory nutritional component is diluted in the bioreactor. | 11-22-2012 |
20120301951 | PREVENTION OF CONTAMINATION OF NUTRIENT FEED RESERVOIRS & FEED LINES IN BIOREACTOR SYSTEMS - A method to prevent contamination of feed line(s) and nutrient feed reservoirs(s) is disclosed. In this method the growth medium which flows from the nutrient feed reservoir through the feed line to the bioreactor contains at least one nutritional component supplied at a concentration which is inhibitory to cell growth. The inhibitory nutritional component in the growth medium prevents back growth of cells from the bioreactor into the feed line(s). The growth medium with inhibitory nutritional component is diluted prior to or at entering the bioreactor. | 11-29-2012 |
20130056203 | REDUCING SULFIDE IN OIL RESERVOIR PRODUCTION FLUIDS - Methods are provided for treating production fluid in an oil reservoir to reduce the amount of sulfide in the production fluid. The production fluid is treated with nitrate and/or nitrite ions in an aqueous solution that is added to an injection well that is in contact with the production well. | 03-07-2013 |
20130056214 | REDUCING SULFIDE IN PRODUCTION FLUIDS DURING OIL RECOVERY - Methods are provided for treating production fluid in a production well in an oil reservoir to reduce the amount of sulfide in the production fluid. The production fluid is treated with nitrate and/or nitrite ions in an aqueous solution that is added to the well casing. | 03-07-2013 |
20130160994 | REDUCING SULFIDE IN PRODUCTION FLUIDS DURING OIL RECOVERY - Methods are provided for treating production fluid in a production well in an oil reservoir to reduce the amount of sulfide in the production fluid. The production fluid is treated with nitrate and/or nitrite ions or inorganic oxidizing agent in an aqueous solution that is added to the well casing. | 06-27-2013 |
20140000874 | REDUCING SULFIDE IN OIL RESERVOIR PRODUCTION FLUIDS | 01-02-2014 |
20140018551 | HYDROGENATION OF CATMINT OIL - Disclosed are methods for treating catmint oil. The treated catmint oil can be used for the production of hydrogenated catmint oil, which is enriched in the insect repellent, dihydronepetalactone. | 01-16-2014 |
20140116706 | ALTERING THE INTERFACE OF HYDROCARBON-COATED SURFACES - Methods and compositions are provided wherein microorganisms are used to alter the interface of hydrocarbons and hydrocarbon-coated surfaces to increase oil recovery, for improved bioremediation and/or pipeline maintenance. | 05-01-2014 |
20150087698 | SOLVENT ADDITION AND REMOVAL IN THE HYDROGENATION OF CATMINT OIL - Disclosed are methods for treating catmint oil. The treated catmint oil can be used for the production of hydrogenated catmint oil, which is enriched in the insect repellent, dihydronepetalactone, and from which formulated products may be prepared. | 03-26-2015 |