Patent application number | Description | Published |
20120272206 | ANALYSIS SYSTEM FOR TEST ARTIFACT GENERATION - A requirements testing system facilitates the review and analysis of requirement statements for software applications. The requirements testing system generates test artifacts from the requirement statements. The test artifacts characterize the requirements statements to provide valuable analysis information that aids understanding whether the requirement statements are testable, what the intentions of the requirement statements are, and other useful analysis information. Because the system generates the analysis information from the requirement statements, the system provides benefits in terms of early feedback along the software application development timeline. | 10-25-2012 |
20130185056 | SYSTEM FOR GENERATING TEST SCENARIOS AND TEST CONDITIONS AND EXPECTED RESULTS - A requirements testing system facilitates the review and analysis of requirement statements for software applications. The requirements testing system automatically generates test artifacts from the requirement statements, including test scenarios, test conditions, test hints, and expected results. These test artifacts characterize the requirements statements to provide valuable analysis information that aids understanding what the intentions of the requirement statements are. The automation of the generation of these test artifacts produces numerous benefits, including fewer errors, objectivity, and no dependency on the skills and experience of a creator. | 07-18-2013 |
20140163966 | IDENTIFYING GLOSSARY TERMS FROM NATURAL LANGUAGE TEXT DOCUMENTS - A device may obtain text to be analyzed to identify glossary terms. The device may analyze a linguistic unit to generate multiple linguistic units related to the linguistic unit. The device may analyze the multiple linguistic units to generate potential glossary terms. The device may perform a glossary term analysis on the potential glossary terms to generate glossary terms that include a subset of the potential glossary terms. The device may identify included terms that are included in the glossary terms. The device may identify excluded terms that are excluded from the glossary terms. The device may determine a semantic relatedness score between at least one excluded term and at least one included term. The device may selectively add the excluded linguistic term to the glossary terms to form a final set of glossary terms based on the semantic relatedness score, and may output the final set of glossary terms. | 06-12-2014 |
20150205707 | TEST PATHS GENERATION FOR A PHYSICAL SYSTEM - A system generates a test path set in a very efficient manner. The test path set may be tailored to test a target physical system, such as a complex set of source code, a manufacturing line of multiple process nodes, or other physical system. The system may generate the test path set to meet certain goals in testing the target physical system, for example comprehensive testing of system paths, system nodes, or particular subsets. As one example, the system may efficiently generate a test path set that uses the minimum number of test paths to test a coverage goal, for example traversing each of the prime paths in the target physical system. | 07-23-2015 |
Patent application number | Description | Published |
20090167267 | Power Converter with Monotonic Turn-On for Pre-Charged Output Capacitor - A power converter for and method of producing a monotonic rise in output voltage at start-up. In one embodiment, the power converter includes a switch and an error amplifier coupled to an output terminal of the power converter. The power converter also includes a comparator with an output terminal coupled to a control terminal of the switch and an input terminal coupled to an output terminal of the error amplifier configured to enable the switch to conduct for a duty cycle. Additionally, the switch is configured to be turned off at a start-up of the power converter until a voltage of the output terminal of the error amplifier provides a duty cycle for the switch corresponding to an output characteristic pre-charge condition. | 07-02-2009 |
20100164449 | Power Converter with a Dynamically Configurable Controller and Output Filter - A controller and an output filter for a power converter, and a power converter employing at least one of the same. In one embodiment, the controller includes an error amplifier with first and second input terminals coupled to one of an operating characteristic and a reference voltage of the power converter, and a switch configured to couple the first and second input terminals to one of the operating characteristic and the reference voltage as a function of a power conversion mode of the power converter. In one embodiment, the output filter includes an output filter capacitor with a first terminal coupled to a first output terminal of a power converter, and an output filter inductor coupled between a second terminal of the output filter capacitor and a second output terminal of the power converter. | 07-01-2010 |
20100164650 | Power Converter with a Dynamically Configurable Controller and Output Filter - A controller and an output filter for a power converter, and a power converter employing at least one of the same. In one embodiment, the controller includes an error amplifier with first and second input terminals coupled to one of an operating characteristic and a reference voltage of the power converter, and a switch configured to couple the first and second input terminals to one of the operating characteristic and the reference voltage as a function of a power conversion mode of the power converter. In one embodiment, the output filter includes an output filter capacitor with a first terminal coupled to a first output terminal of a power converter, and an output filter inductor coupled between a second terminal of the output filter capacitor and a second output terminal of the power converter. | 07-01-2010 |
Patent application number | Description | Published |
20090111717 | ENHANCED OIL RECOVERY SURFACTANT FORMULATION AND METHOD OF MAKING THE SAME - The present invention is directed to an enhanced oil recovery formulation which comprises:
| 04-30-2009 |
20090151941 | Method For Enhancing Oil Recovery With An Inproved Oil Recovery Surfactant - A method for enhancing oil recovery includes the step of providing a subsurface reservoir containing hydrocarbons therewithin. A wellbore is provided in fluid communication with the subsurface reservoir. A surfactant-polymer solution is formed for injection into the reservoir. The surfactant-polymer solution is formed by mixing a composition with at least one surfactant, at least one polymer, and at least one co-solvent or co-surfactant such that the surfactant-polymer solution is clear and aqueous stable. The surfactant-polymer solution is injected through the wellbore into the reservoir. A chaser solution is formed for injection into the reservoir. The chaser solution has an additional predetermined quantity of the co-solvent or co-surfactant. The chaser solution is injected through the injection wellbore into the reservoir to increase the production of hydrocarbons from the reservoir while maintaining the clear and aqueous stability of the surfactant-polymer solution. | 06-18-2009 |
20120097389 | NON-IONIC ALKALI POLYMER SOLUTIONS FOR ENHANCED OIL RECOVERY IN A SUBTERRANEAN FORMATION - A method for enhancing oil recovery is disclosed. The method includes providing a subsurface reservoir containing hydrocarbons therewithin and a wellbore in fluid communication with the subsurface reservoir. A solution for injection into the reservoir is formed by mixing a composition with at least one non-ionic chemical, at least one polymer, and at least one alkali. The non-ionic chemical can be alcohol alkoxylates such as alkylaryl alkoxy alcohols or alkyl alkoxy alcohols. The solution is solution is clear and aqueous stable when mixed. The solution is injected through the wellbore into the subsurface reservoir. | 04-26-2012 |
20120152536 | HEAT GENERATING SYSTEM FOR ENHANCING OIL RECOVERY - The instant invention pertains to a composition which may be useful for enhancing oil recovery. The composition typically comprises the reaction mixture of at least (a) two or more compounds capable of generating at least about 20 kcal to about 150 kcal per mole when contacted; (b) one or more suitable surfactants or one or more suitable polymers or a mixture thereof; and (c) oil. The invention also pertains to a method for enhancing oil recovery wherein a suitable system is injected through a wellbore into a reservoir to enhance mobility of oil. | 06-21-2012 |
20120322699 | Method of Preventing Scale Formation During Enhanced Oil Recovery - A method for preventing scale formation during an alkaline hydrocarbon recovery process is disclosed. An aqueous solution (e.g., recovered sea water, water produced from the subterranean reservoir, or a combination thereof) having a concentration of metal cations (e.g., calcium, magnesium) is provided. A stoichiometric amount of an organic complexing agent relative to the concentration of metal cations is introduced into the aqueous solution such that the organic complexing agent forms aqueous soluble cation-ligand complexes with the metal cations. At least one alkaline is introduced into the aqueous solution to form an injection fluid having a pH value of at least 10. The cation-ligand complexes remain soluble in the injection fluid such that scale formation is prevented when the injection fluid is injected into a subterranean reservoir. | 12-20-2012 |
20130068457 | Method of Manufacture of Guerbet Alcohols For Making Surfactants Used In Petroleum Industry Operations - A method is disclosed for manufacturing surfactants for utilization in petroleum industry operations. The method comprises providing a bio-lipid. The bio-lipid can include one or more medium-chain or long-chain fatty acids, such as Lauric acid, Myristic acid, Palmitic acid, Stearic acid, Palmitoleic acid, Oleic acid, Ricinoleic acid, Vaccenic acid, Linoleic acid, Alpha-Linoleic acid, or Gamma-Linolenic acid. Fatty acid alkyl esters are produced by reacting the bio-lipid with a low-molecular weight alcohol. The fatty acid alkyl esters are reduced to a fatty alcohol. The fatty alcohol is dimerized to form a Guerbet alcohol, which is a precursor to producing surfactant for utilization in a petroleum industry operation, such as an enhanced oil recovery process. | 03-21-2013 |
20130298644 | Apparatus and Method For Measuring Viscosity of a Fluid - An apparatus and method are provided for measuring the viscosity of a fluid. The apparatus typically includes an inlet line that is configured to receive a flow of the fluid, and at least one porous medium column that receives the flow of the fluid from the inlet line and resists the flow so that a pressure of the fluid at the outlet is less than a pressure of the fluid at the inlet. A pressure sensor is configured to measure a pressure differential between an inlet and outlet of the column, and the sensor is adapted to determine the viscosity of the fluid according to the pressure differential and the permeability of the porous medium. | 11-14-2013 |
20140202927 | METHOD OF BREAKING OIL-WATER MICELLAR EMULSIONS - A method is disclosed for enhancing the separation of oil-water micellar emulsion, such as those found in production fluid. Specifically, an embodiment of the invention is separating oil and water phases in recovered production fluid by adding an ionic salt such as sodium chloride, calcium chloride, sodium carbonate, sodium bicarbonate, and/or a high-molecular weight alcohol, such as 2-ethyl hexanol or decanol, to the production fluid. The production fluid may include fluids produced from an enhanced oil recovery method. | 07-24-2014 |
20140262275 | ALKALI POLYMER SURFACTANT SANDWICH - Aspects of the invention relate to methods for enhancing the amount of oil recovered from subterranean reservoirs or reducing the amount of surfactant needed. The method includes injecting a first alkali-polymer slug through a wellbore into a reservoir, followed by injecting a alkali-polymer-surfactant slug through the wellbore into the reservoir, and then injecting a second alkali-polymer slug through the wellbore into the reservoir. | 09-18-2014 |
20140262286 | COMPOSITION AND METHOD FOR REMEDIATION OF NEAR WELLBORE DAMAGE - Aspects of the invention relate to compositions and methods that are used for remediation of near-wellbore damage. A specific aspect is a composition comprising an olefin sulfonate, a sulfosuccinate, and a chemical selected from the group consisting of an alcohol alkoxylated sulfate, an alcohol alkoxylated carboxylate, or a combination thereof. | 09-18-2014 |
20150203740 | MIXED CARBON LENGTH SYNTHESIS OF PRIMARY GUERBET ALCOHOLS - In an embodiment of the disclosure, mixtures of different carbon length alcohols are used as the primary feedstock for Guerbet alcohols. Specifically, embodiments relate to a method of synthesizing mixed molecular weight additives from a mixture of primary alcohols comprising, receiving a mixture of primary alcohols comprising at least two different chain length primary alcohols and reacting the mixture of primary alcohols to produce a mixture of Guerbet alcohols. The mixture of Guerbet alcohols is then used to produce an additive composition comprising additives of different molecular weights. | 07-23-2015 |
20150275068 | Multicarboxylate Compositions And Method Of Making The Same - The present disclosure generally relates to a multicarboxylate, such as an alkyl alkoxy dicarboxylate a method of making the multicarboxylate, and methods to use the multicarboxylate. A specific embodiment of the disclosure is a compound comprising the chemical formula: R | 10-01-2015 |