Patent application number | Description | Published |
20090107667 | DOWNHOLE SPECTROSCOPIC HYDROGEN SULFIDE DETECTION - Methods and related apparatuses and mixtures are described for detecting hydrogen sulfide in a formation fluid downhole. A detection mixture is combined with the formation fluid downhole. The detection mixture includes metal ions for reacting with hydrogen sulfide forming a metal sulfide, and charged nanoparticles sized so as to inhibit significant aggregation of the metal sulfide so as to enable spectroscopic detection of the metal sulfide downhole. The combined mixture and formation fluid is then spectroscopically interrogated so as to detect the presence of the metal sulfide thereby indicating the presence of hydrogen sulfide in the formation fluid. The mixture also includes chelating ligands for sustaining thermal endurance of the mixture under downhole conditions. | 04-30-2009 |
20110104809 | DOWNHOLE SPECTROSCOPIC HYDROGEN SULFIDE DETECTION - Methods and related apparatuses and mixtures are described for detecting hydrogen sulfide in a formation fluid downhole. A detection mixture is combined with the formation fluid downhole. The detection mixture includes metal ions for reacting with hydrogen sulfide forming a metal sulfide, and charged nanoparticles sized so as to inhibit significant aggregation of the metal sulfide so as to enable spectroscopic detection of the metal sulfide downhole. The combined mixture and formation fluid is then spectroscopically interrogated so as to detect the presence of the metal sulfide thereby indicating the presence of hydrogen sulfide in the formation fluid. The mixture also includes chelating ligands for sustaining thermal endurance of the mixture under downhole conditions. | 05-05-2011 |
20110111507 | DOWNHOLE SPECTROSCOPIC HYDROGEN SULFIDE DETECTION - Methods and related apparatuses and mixtures are described for detecting hydrogen sulfide in a formation fluid downhole. A detection mixture is combined with the formation fluid downhole. The detection mixture includes metal ions for reacting with hydrogen sulfide forming a metal sulfide, and charged nanoparticles sized so as to inhibit significant aggregation of the metal sulfide so as to enable spectroscopic detection of the metal sulfide downhole. The combined mixture and formation fluid is then spectroscopically interrogated so as to detect the presence of the metal sulfide thereby indicating the presence of hydrogen sulfide in the formation fluid. The mixture also includes chelating ligands for sustaining thermal endurance of the mixture under downhole conditions. | 05-12-2011 |
20140339412 | Solid State Lasers - Solid state lasers are disclosed herein. An example laser disclosed herein includes a monolithic body having a first end and a second end. The monolithic body includes a first reflector disposed on the first end, a second reflector disposed on the second end, and a solid state gain medium and a Q-switch disposed between the first reflector and the second reflector. The example laser also includes a pump source to cause a population inversion in the solid state gain medium to cause the monolithic body to output a laser pulse. Various applications of the solid state laser are also disclosed herein. | 11-20-2014 |
20150021020 | Zonal Compositional Production Rates in Commingled Gas Wells - A production logging tool (PLT) is conveyed within production tubing containing production fluid flow established by zonal fluid flow from formation zones. The PLT measures a flow rate of the production fluid flow at each of a plurality of depths associated with a corresponding one of the zones. A flow rate of the zonal fluid flow from each zone is determined based on the flow rates of the production fluid flow measured at each of the depths. The PLT measures proportions of compositional components of the production fluid flow at each of the depths. A flow rate of each compositional component of the zonal fluid flow from each zone is determined based on the determined flow rate of the zonal fluid flow from each zone and the proportions of compositional components of the production fluid flow measured at each of the depths. | 01-22-2015 |
20150046090 | SYSTEM AND METHOD OF DETERMINING ROCK PROPERTIES USING TERAHERTZ-BAND DIELECTRIC MEASUREMENTS - A method of analyzing physical properties of a sample includes obtaining the sample and obtaining an electromagnetic spectrum of the sample using terahertz spectroscopy. A sample complex permittivity is computed from the electromagnetic spectrum of the sample. The method further includes estimating the constituents and the constituent fractions and computing an estimated effective complex permittivity based upon a model and the constituent fractions. The method further includes comparing the computed sample complex permittivity with the estimated effective complex permittivity in order to determine the physical properties the sample. | 02-12-2015 |
Patent application number | Description | Published |
20090039255 | METHOD AND APPARATUS FOR OIL SPILL DETECTION - The invention relates to a method for detecting the presence of hydrocarbons near an unmanned offshore oil platform. The method steps include monitoring reflected atmospheric and thermal radiation, detecting the presence of hydrocarbons, and generating an alert based on the presence of hydrocarbons. | 02-12-2009 |
20120095683 | METHOD AND APPARATUS FOR OIL SPILL DETECTION - The invention relates to a method for detecting the presence of hydrocarbons near an unmanned offshore oil platform. The method steps include monitoring reflected atmospheric and thermal radiation, detecting the presence of hydrocarbons, and generating an alert based on the presence of hydrocarbons. | 04-19-2012 |
20130100453 | MEASUREMENT OF LIQUID FRACTION DROPOUT USING MICROPATTERNED SURFACES - Accurate, real-time detection of dew point of a gaseous sample can be accomplished using the systems and techniques described herein. A gaseous sampling chamber defining an interior volume includes a patterned structure having a roughened surface exposed to the gaseous sampling chamber. The patterned structure includes an open volume accessible by the roughened surface, for example, representing at least about 10% of the interior volume of the gaseous sampling chamber. An illumination source is configured to illuminate at least a portion of the patterned structure. A light detector is configured to receive at least a portion of illumination returned from the patterned structure. A condensate detector is configured to determine a presence of a condensate on the roughened surface in response to an optical property of the patterned surface as modified by the presence of dew. | 04-25-2013 |
20130151159 | METHODS FOR CHARACTERIZATION OF PETROLEUM RESERVOIRS EMPLOYING PROPERTY GRADIENT ANALYSIS OF RESERVOIR FLUIDS - A methodology for reservoir understanding employs analysis of fluid property gradients to investigate and distinguish between non-compartmentalization of the reservoir, compartmentalization of the reservoir, and lack of thermodynamic equilibrium in the reservoir. | 06-13-2013 |
Patent application number | Description | Published |
20110063079 | Enhancements to meterless remote parking monitoring systems - A remote meterless parking monitoring system including a plurality of individual parking spaces, a plurality of vehicle detector/RFID units for monitoring the status of the individual parking spaces; at least one Gateway device responsive to the plurality of vehicle detector/RFID units; a Command and Control Server for employing numerous security provisions at least including encryption of data, Virtual Privacy Networks, firewalls and authenticated connections and responsive to data from said Cellular gateway via the internet; and the Command and Control Server uses the status of each space and the ID from the motorist's RFID tag to cross reference data according to a Policy database and identifying the motorist through a Motorist Database including information about the motorist's mailing address, vehicle payment account balance or other information. | 03-17-2011 |
20130103460 | ENHANCEMENTS TO METERLESS REMOTE PARKING MONITORING SYSTEMS - A remote meterless parking monitoring system including a plurality of individual parking spaces, a plurality of vehicle detector/RFID units for monitoring the status of the individual parking spaces; at least one Gateway device responsive to the plurality of vehicle detector/RFID units; a Command and Control Server for employing numerous security provisions at least including encryption of data, Virtual Privacy Networks, firewalls and authenticated connections and responsive to data from said Cellular gateway via the internet; and the Command and Control Server uses the status of each space and the ID from the motorist's RFID tag to cross reference data according to a Policy database and identifying the motorist through a Motorist Database including information about the motorist's mailing address, vehicle payment account balance or other information. | 04-25-2013 |
20150066608 | ENHANCEMENTS TO METERLESS REMOTE PARKING MONITORING SYSTEMS - A remote meterless parking monitoring system including a plurality of individual parking spaces, a plurality of vehicle detector/RFID units for monitoring the status of the individual parking spaces; at least one Gateway device responsive to the plurality of vehicle detector/RFID units; a Command and Control Server for employing numerous security provisions at least including encryption of data, Virtual Privacy Networks, firewalls and authenticated connections and responsive to data from said Cellular gateway via the internet; and the Command and Control Server uses the status of each space and the ID from the motorist's RFID tag to cross reference data according to a Policy database and identifying the motorist through a Motorist Database including information about the motorist's mailing address, vehicle payment account balance or other information. | 03-05-2015 |
Patent application number | Description | Published |
20090005531 | Solid state polymerization process for polyester - Disclosed is a method for increasing the solid state polymerization (SSP) rates of organic titanate catalyzed polyester. The method comprises in a first step, reacting a dicarboxylic acid or a C | 01-01-2009 |
20090143561 | Process for producing polyester with metal phosphonic acid complex catalysts - Disclosed is a method for the preparation of a polyester, which method comprises in a first step, reacting a dicarboxylic acid or a C | 06-04-2009 |
20090253888 | Solid state polymerization process for polyester with phosphinic acid compounds - Disclosed is a method for increasing the solid state polymerization (SSP) rates of metal catalyzed polyesters. The method comprises in a first step, reacting a dicarboxylic acid or a C | 10-08-2009 |
20100233405 | Stabilized Blends of Polyester and Polyamide - Disclosed are stabilized blends of polyester and polyamide. The polymer blends are stabilized with A) a combination of stabilizers a) acetaldehyde scavengers and b) stabilizers selected from phenolic antioxidants, organic phosphorus stabilizers and lactone stabilizers or B) a combination of c) lactone stabilizers and d) stabilizers selected from phenolic antioxidants and organic phosphorus stabilizers. The present blends exhibit reduced color formation, a high level of whiteness/brightness and acceptably low haze formation upon heat treatment. The blends are useful to make bottles, containers and films for drinks, food and cosmetics and the like. The polyester is in particular polyethylene terephthalate, PET, and the polyamide is in particular polyamide-MXD6. Heat treatment is for example melt extrusion or solid state polymerization, SSP. | 09-16-2010 |
20100233406 | Stabilized Blends of Polyester and Polyamide - Disclosed are stabilized blends of polyester and polyamide. The polymer blends are stabilized with A) one or more lactone stabilizers, B) one or more di-hydrocarbyl hydrogen phosphonates or one or more di-hydrocarbyl hydrogen phosphonites or C) one or more monoacrylate esters of 2,2′-alkylidenebisphenol antioxidants. The present blends exhibit reduced color formation, a high level of whiteness/brightness and acceptably low haze formation upon heat treatment. The blends are useful to make bottles, containers and films for drinks, food and cosmetics and the like. The polyester is in particular polyethylene terephthalate, PET, and the polyamide is in particular polyamide-MXD6. Heat treatment is for example melt extrusion or solid state polymerization, SSP. | 09-16-2010 |
20110306710 | Solid State Polymerization Process for Polyester with Phosphinic Acid Compounds - Disclosed is a method for increasing the solid state polymerization (SSP) rates of metal catalyzed polyesters. The method comprises in a first step, reacting a dicarboxylic acid or a C | 12-15-2011 |
20130035451 | Solid State Polymerization Process for Polyester with Phosphinic Acid Compounds - Disclosed are phosphinic acid compounds of formula I, II or III | 02-07-2013 |