Chevron U.S.A. Patent applications |
Patent application number | Title | Published |
20140130581 | METHOD FOR DETERMINING THE EFFECTIVENESS OF ASPHALTENE DISPERSANT ADDITIVES FOR INHIBITING OR PREVENTING ASPHALTENE PRECIPITATION IN A HYDROCARBON-CONTAINING MATERIAL SUBJECTED TO ELEVATED TEMPERATURE AND PRESSURE CONDITIONS - Disclosed herein is a method for determining the effectiveness of one or more asphaltene dispersant additives for inhibiting or preventing asphaltene precipitation in a hydrocarbon-containing material subjected to elevated temperature and pressure conditions. | 05-15-2014 |
20130055757 | METHOD AND SYSTEM TO PREVENT CARRY-OVER OF HYDROCARBON MIST FROM AN NGL COLUMN OF AN LNG PLANT - The present disclosure is directed to a method and system for preventing carry-over of C | 03-07-2013 |
20130029893 | Process for Preparing a Turbine Oil Comprising an Ester Component - Provided is a process for preparing a turbine oil formulation comprised of a base oil selected from the group consisting of Group II, III and IV base oils and mixtures thereof, and an ester component comprised of at least one diester or triester species having ester links on adjacent carbons. The formulation exhibits less than 6 mg of sludge/100 ml of turbine oil and is imminently suitable for use as a turbine oil. | 01-31-2013 |
20130029891 | TURBINE OIL COMPRISING AN ESTER COMPONENT - Provided is a turbine oil formulation comprised of a base oil selected from the group consisting of Group II, III and IV base oils and mixtures thereof, and an ester component comprised of at least one diester or triester species having ester links on adjacent carbons. The formulation exhibits less than 6 mg of sludge/100 ml of turbine oil, and is imminently suitable for use as a turbine oil. | 01-31-2013 |
20130001128 | PROCESS AND SYSTEM FOR REDUCING THE OLEFIN CONTENT OF A FISCHER-TROPSCH PRODUCT STREAM - A method is provided for converting synthesis gas to liquid hydrocarbon mixtures useful as distillate fuel and/or lube base oil. The synthesis gas is contacted with a synthesis gas conversion catalyst comprising a Fischer-Tropsch synthesis component in an upstream catalyst bed thereby producing an intermediate hydrocarbon mixture containing olefins and C | 01-03-2013 |
20120308438 | OLIGOMERIZATION REACTOR AND CONTROL SYSTEM - A process unit, having:
| 12-06-2012 |
20120279222 | METHOD AND SYSTEM FOR STORING ENERGY AND GENERATING POWER HEAT IN A SUBSEA ENVIRONMENT - Systems and methods are disclosed for storing energy and generating power and/or heat within a subsea environment. The systems and methods utilize stored compressed air within an air storage chamber to drive an engine/generator system in order to generate power. The engine may or may not utilize combustion. Alternatively, the systems and methods utilize stored compressed air to supply air to a combustor to generate heat. The heat generated can be used for variety of purposes, including to generate steam and to heat heavy oil. | 11-08-2012 |
20120171094 | Aqueous solutions of amine functionalized ionic compounds for carbon capture processes - An aqueous ionic absorbent solution is disclosed containing (a) about 15 wt. % to about 80 wt. % of one or more diluents, based on the total weight of the aqueous ionic absorbent solution; and (b) an ionic absorbent containing a cation and an anion comprising an amine moiety. | 07-05-2012 |
20120167766 | Process for the separation of carbon dioxide from flue gas - A process and system for separating CO | 07-05-2012 |
20110319696 | HYDROISOMERIZATION PROCESS USING MOLECULAR SIEVE SSZ-81 - The present invention is directed to a hydroisomerization process using a new crystalline molecular sieve designated SSZ-81, which is synthesized using a structure directing agent selected from 1,5-bis(1-azonia-bicyclo[2.2.2]octane)pentane dications, 1,5-bis(1,4-diazabicyclo[2.2.2]octane)pentane dications, and mixtures thereof. | 12-29-2011 |
20110318263 | MOLECULAR SIEVE SSZ-81 - The present invention is directed to a new crystalline molecular sieve designated SSZ-81, which is synthesized using a structure directing agent selected from 1,5-bis(1-azonia-bicyclo[2.2.2]octane)pentane dications, 1,5-bis(1,4-diazabicyclo[2.2.2]octane)pentane dications, and mixtures thereof. | 12-29-2011 |
20110318262 | METHOD FOR PREPARING MOLECULAR SSZ-81 - The present invention is directed to a method for preparing a new crystalline molecular sieve designated SSZ-81 using a structure directing agent selected from 1,5-bis(1-azonia-bicyclo[2.2.2]octane)pentane dications, 1,5-bis(1,4-diazabicyclo[2.2.2]octane)pentane dications, and mixtures thereof. | 12-29-2011 |
20100152074 | Lubricating oil compositions - A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 400 ppm of boron; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1. | 06-17-2010 |
20100152073 | Lubricating oil compositions - A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 600 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having no more than about 800 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of about 5:1 to about 500:1. | 06-17-2010 |
20100152072 | Lubricating oil compositions - A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having greater than 400 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1. | 06-17-2010 |