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| Number | Title | Issue Date |
| 8182561 | Process to provide a particulate solid material to a pressurised reactor The invention is directed to a process to provide a particulate solid carbonaceous material to a pressurized gasification reactor comprising following steps, (a) transporting the solid material from a first lower pressure zone to a higher pressure zone ... | 05/22/2012 |
| 8181481 | Method and apparatus for cooling a stream, in particular a hydrocarbon stream such as natural gas Method and apparatus for cooling a stream in a heat exchanger against a refrigerant fluid being cycled in a refrigerant circuit. The cycling of the refrigerant fluid includes feeding a first refrigerant fluid into an axial compressor and compressing it to obtain a c... | 05/22/2012 |
| 8178587 | Method for recovering a natural gas contaminated with high levels of CO The present invention provides a method for recovering a natural gas contaminated with high levels of carbon dioxide. A gas containing methane and carbon dioxide is extracted from a reservoir containing natural gas, where carbon dioxide comprises at least 50 vol. % ... | 05/15/2012 |
| 8178468 | Catalysts, preparation of such catalysts, methods of using such catalysts, products obtained in such methods and uses of products obtained A catalyst that includes one or more metals from Column 6 of the Periodic Table and/or one or more compounds of one or more metals from Column 6 of the Periodic Table and a support. The support comprises from 0.01 grams to 0.2 gram of silica and from 0.80 grams to 0... | 05/15/2012 |
| 8177865 | High power diesel fuel compositions comprising metal carboxylate and method for increasing maximum power output of diesel engines using metal carboxylate A high power diesel fuel composition and method for increasing immediate power output of a diesel engine using same, the high power diesel fuel composition comprising: about 50% v/v or more ultra low sulfur diesel fuel; and, from about 40 to about 60 ppmw of one or ... | 05/15/2012 |
| 8177305 | Heater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations A system for treating a subsurface hydrocarbon containing formation includes one or more shafts. At least two substantially horizontal or inclined tunnels extend from one or more of the shafts. A plurality of heat sources are located in at least one heat source well... | 05/15/2012 |
| 8176790 | Pressure sensor assembly and method of using the assembly A pressure sensor assembly comprises a sensor housing having a flexible wall that is configured to deform in response to a pressure difference between the interior and exterior of the sensor housing; -a first fiber optical cable section that is bonded to the flexibl... | 05/15/2012 |
| 8172335 | Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations A system for treating a subsurface hydrocarbon containing formation includes one or more shafts. A first substantially horizontal or inclined tunnel extends from one or more of the shafts. A second substantially horizontal or inclined tunnel extends from one or more... | 05/08/2012 |
| 8168842 | Process for the alkylation of a cycloalkene Process for the alkylation of a cycloalkene, which process comprises alkylating a cycloalkene with an oxygenate under alkylating conditions in the presence of a zeolite; to yield an alkylated cycloalkene. Composition obtainable by such a process and use of such a co... | 05/01/2012 |
| 8168838 | Hydrocarbon compositions useful as lubricants A process for the preparation of a synthetic predominantly single carbon number hydrocarbon fluid comprises the steps of: contacting an alpha olefin having a carbon number of 4 to 30 with a single site catalyst under conditions effective to produce reactive hydrocar... | 05/01/2012 |
| 8168573 | Lubricating oil composition The present invention provides a lubricating oil composition comprising a mixture of both a poly-alpha-olefin and an ester compound, the lubricating oil composition having an SAE viscosity grade of 75W-85, satisfying GL-5 in terms of API gear oil designation and hav... | 05/01/2012 |
| 8168557 | Method of restoring catalytic activity to a spent hydrotreating catalyst, the resulting restored catalyst, and a method of hydroprocessing A method of restoring catalytic activity to a spent hydroprocessing catalyst that has a first carbon concentration. The concentration of carbon on the spent hydroprocessing catalyst is reduced to provide a carbon-reduced catalyst having a second carbon concentration... | 05/01/2012 |
| 8168331 | Electrochemical element for use at high temperatures An electrochemical element for use at a high temperature has an anode, a cathode comprising an intercalation material having an upper reversible potential-limit of at most 4 V versus Li/Li+ as active material, and an electrolyte arranged between the catho... | 05/01/2012 |
| 8167976 | Gas separation membrane system and a method of preparing or reconditioning and the use thereof A gas separation membrane system and a method of preparing such gas separation membrane system by providing a porous support upon which is supported a membrane layer comprising a first gas-selective material and having a membrane thickness and removing therefrom a s... | 05/01/2012 |
| 8167058 | Method and assembly for abrasive jet drilling A method for supplying a jet of abrasive fluid for the purpose of providing a borehole by removing earth formation material through abrasion comprises a drill string and a drilling assembly connected to the drill string. The drilling assembly comprises a jetting dev... | 05/01/2012 |
| 8166832 | Oil sampling device having a flexible piston and chamber A device, system, and method for retrieving a sample of oil from an engine, comprising, a chamber having an inside wall and at least one oil inlet, a piston head received in said chamber and slidable between an empty position in which it is disposed substantially at... | 05/01/2012 |
| 8163167 | Process for the deep desulfurization of heavy pyrolysis gasoline A process for the deep desulfurization of a heavy pyrolysis gasoline to very low levels of organic sulfur, e.g., 30 ppmv or less, with minimal octane number loss through aromatics saturation. The deep desulfurization is accomplished by contacting the heavy pyrolysis... | 04/24/2012 |
| 8163166 | Systems and methods of producing a crude product The present invention is directed to a crude product composition. The crude product composition has, per gram of crude product: at least 0.001 grams of hydrocarbons with a boiling range distribution of at most 204° C. at 0.101 MPa, at least 0.001 grams of hydrocarb... | 04/24/2012 |
| 8162405 | Using tunnels for treating subsurface hydrocarbon containing formations A system for treating a subsurface hydrocarbon containing formation includes one or more tunnels having an average diameter of at least 1 m. At least one tunnel is connected to the surface. Two or more wellbores extend from at least one of the tunnels into at least ... | 04/24/2012 |
| 8162059 | Induction heaters used to heat subsurface formations A heating system for a subsurface formation includes an elongated electrical conductor located in the subsurface formation. The electrical conductor extends between at least a first electrical contact and a second electrical contact. A ferromagnetic conductor at lea... | 04/24/2012 |
| 8158565 | Molybdenum alkylxanthates and lubricating compositions The present invention provides a molybdenum pentakis-alkylxanthate having general formula (1) which is indicated below. In this formula R1 to R5 each represent a group individually selected from linear... | 04/17/2012 |
| 8157481 | Method for templateless foundation installation A method of installing a foundation system for securing the tendons of a TLP to the ocean floor. The foundation system is installed in templateless operations in which a pile is secured to the ocean floor and a tendon receptacle is secured to the pile such that the ... | 04/17/2012 |
| 8156884 | Vessel mooring systems and methods A mooring system comprising a structure in a body of water; a vessel in the body of water; a first anchor in the body of water; a second anchor in the body of water; a first line connecting the first anchor and the vessel; a second line connecting the second anchor ... | 04/17/2012 |
| 8152869 | Fuel compositions Middle distillate fuel composition is provided containing (a) a middle distillate base fuel, in particular a diesel base fuel, and (b) a Fischer-Tropsch derived paraffinic base oil component with a viscosity of at least 8 mm2/s at 100° C. In component (b... | 04/10/2012 |
| 8152868 | Fuel compositions Middle distillate fuel composition is provided containing (a) a middle distillate base fuel comprising at least in part a biodiesel fuel component, and (b) a Fischer-Tropsch derived paraffinic base oil component with a viscosity of at least 8 mm2/s at 100... | 04/10/2012 |
| 8151907 | Dual motor systems and non-rotating sensors for use in developing wellbores in subsurface formations A method for forming a subsurface wellbore is disclosed. The method includes operating a drilling string in a first direction of rotation. A first motor located near the end of the drilling string is operated in a direction of rotation opposite that of the drilling ... | 04/10/2012 |
| 8151880 | Methods of making transportation fuel A method for producing alkylated hydrocarbons is disclosed. Formation fluid is produced from a subsurface in situ heat treatment process. The formation fluid is separated to produce a liquid stream and a first gas stream. The first gas stream includes olefins. The l... | 04/10/2012 |
| 8148555 | Method for improving the selectivity of a catalyst and a process for the epoxidation of an olefin A method for improving the selectivity of a supported highly selective epoxidation catalyst comprising silver in a quantity of at most 0.17 g per m2 surface area of the support, which method comprises contacting the cata... | 04/03/2012 |
| 8146669 | Multi-step heater deployment in a subsurface formation A method for installing a horizontal or inclined subsurface heater includes placing a heating section of a heater in a horizontal or inclined section of a wellbore with an installation tool. The tool is uncoupled from the heating section. A lead in section is mechan... | 04/03/2012 |
| 8146661 | Cryogenic treatment of gas Systems and methods of treating a gas stream are described. A method of treating a gas stream includes cryogenically separating a first gas stream to form a second gas stream and a third stream. The third stream is cryogenically contacted with a carbon dioxide strea... | 04/03/2012 |
| 8143887 | Apparatus and method for real time and real flow-rate measurement of multi-phase fluids with MRI A method for measuring flow rate of at least one fluid in a multi-phase fluid comprises: providing a magnetic resonance module through which the fluid phases flow and at least one pre-polarization module of variable effective length upstream of the magnetic resonanc... | 03/27/2012 |
| 8142748 | Catalyst composition useful in the catalytic reduction of sulfur compound contained in a gas stream and a method of making and using such composition Disclosed is a composition useful in the hydrolysis of sulfur compounds that are contained in a gas stream. The composition comprises alumina, a group VI metal component and a group VIII metal component. The composition has a pore structure such that a large percent... | 03/27/2012 |
| 8142644 | Process for hydrocracking and hydro-isomerisation of a paraffinic feedstock A process for hydrocracking and hydro-isomerization of a paraffinic feedstock obtained by Fischer-Tropsch hydrocarbon synthesis comprising at least 50 wt % of components boiling above 370° C. to obtain a hydro-isomerized feedstock, the process comprising contacting... | 03/27/2012 |
| 8141647 | Method of radially expanding a tubular element A method is provided of radially expanding a tubular element. The method comprises inducing the wall of the tubular element to bend radially outward and in axially reverse direction so as to form an expanded section of the tubular element extending around an unexpan... | 03/27/2012 |
| 8138381 | Method for recovering a natural gas contaminated with high levels of CO The present invention provides a method for recovering a natural gas contaminated with high levels of carbon dioxide. A gas containing methane and carbon dioxide is extracted from a reservoir containing natural gas, where carbon dioxide comprises greater than 40 vol... | 03/20/2012 |
| 8137536 | Method for producing a crude product Methods and systems for contacting a crude feed that has a total acid number (TAN) of at least 0.3 with one or more catalysts produces a total product that includes a crude product are described. The one or more catalysts may include a first catalyst and a second ca... | 03/20/2012 |
| 8137456 | Process for the preparation of sulphur cement or a sulphur cement-aggregate composite The present invention provides a process for the preparation of sulphur cement or a sulphur cement-aggregate composite comprising the following steps: (a) admixing at least an inorganic filler and/or aggregate and a polysulphide-containing organosilane having... | 03/20/2012 |
| 8136592 | Methods for producing oil and/or gas A method for producing oil and/or gas comprising injecting a miscible enhanced oil recovery formulation into fractures, karsts, and/or vugs of a formation for a first time period from a first well; producing oil and/or gas from the fractures, karsts, and/or vugs fro... | 03/20/2012 |
| 8136590 | Systems and methods for producing oil and/or gas A system for producing oil and/or gas from an underground formation comprising a first array of wells dispersed above the formation; a second array of wells dispersed above the formation; wherein the first array of wells comprises a mechanism to inject a miscible en... | 03/20/2012 |
| 8136345 | Internal combustion engine exhaust treatment having a single valve directing exhaust to dual NOx traps A single valve (23, 50) directs engine exhaust (11, 12) toward alternative NOx traps (19, 20) which are adjacent to either diesel particulate filters (40, 41) or low temperature water gas shift catalysts (63, 64). Syngas is either ... | 03/20/2012 |
