| Patent Number |
Title Of Patent |
Date Issued |
| 7504367 |
Method of controlling lubricant properties by means of diluting the same |
March 17, 2009 |
| A process is provided for controlling two or more properties of a lubricant or working fluid for use in a system in which operating conditions change. The process contains the steps of: (i) providing a base fluid in which the two or more properties are optimal for "warm" operating co |
| 7501531 |
Process for the preparation of alkylene carbonate |
March 10, 2009 |
| A process for the preparation of an alkylene carbonate, said process comprising contacting the corresponding alkylene oxide with carbon dioxide in the presence of a metal salt immobilised on a solid support, wherein the metal salt comprises a cation of a metal selected from those in |
| 7501062 |
Process for permeation enhanced reactive extraction of levulinic acid |
March 10, 2009 |
| A process for permeation enhanced reactive extraction of levulinic acid from a liquid aqueous phase comprising levulinic acid, wherein the levulinic acid from the aqueous phase is brought into contact with a liquid alcohol phase at esterification conditions in the presence of a catal |
| 7500528 |
Low temperature barrier wellbores formed using water flushing |
March 10, 2009 |
| A method of forming an opening for a low temperature well is described. The method includes drilling an opening in a formation. Water is introduced into the opening to displace drilling fluid or indigenous gas in the formation adjacent to a portion of the opening. Water is produced f |
| 7497941 |
Process to prepare a lubricating base oil and a gas oil |
March 3, 2009 |
| A process to prepare two or more lubricating base oil grades and a gas oil by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-Tropsch produ |
| 7494535 |
Cyclonic fluid separator |
February 24, 2009 |
| A cyclonic fluid separator for separating condensable, liquid and/or solid components from a fluid mixture includes an upstream fluid inlet section in which the fluid mixture is accelerated to a supersonic velocity to expand and cool the fluid mixture such that one or more condensable fl |
| 7493966 |
System and method for drilling using a modulated jet stream |
February 24, 2009 |
| A system and method for making a hole in an object, the system having jet means for generating an abrasive jet formed of a mixture of a fluid and abrasive particles, and for blasting the abrasive jet with an erosive power into impingement with the object in an impingement area, thereby |
| 7493779 |
Method of removing solid carbon dioxide |
February 24, 2009 |
| The invention provides a method of removing solid carbon dioxide from cryogenic equipment, including the steps of: (a) introducing a stream including ethane to the cryogenic equipment to convert solid carbon dioxide to liquid form whereby a mixture of liquid ethane and liquid carbon |
| 7491859 |
Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful there |
February 17, 2009 |
| Process for the telomerization of a conjugated diene,wherein the conjugated diene is reacted with a compound containing an active hydrogen atom and having a formula R'--H in the presence of a telomerization catalyst based on:(a) a source of group VIII metal,(b) a bidentate ligandwher |
| 7491380 |
Catalytic reactor |
February 17, 2009 |
| The invention relates to a reactor (1), suitable for the catalytic conversion of a feed mixture which is capable of explosion and/or ignition, comprising a feed supply chamber (2), an effluent discharge chamber (3), a catalyst bed (4) having an upstream surface (5) and a downstream s |
| 7491314 |
Process to produce pipeline-transportable crude oil from feed stocks containing heavy hydrocarbo |
February 17, 2009 |
| A process for the production of a pipeline-transportable crude oil from a bitumen feed, the process comprising: (1) dividing the bitumen feed into two fractions, the first fraction comprising between 20 and 80 wt % of the feed, the second fraction comprising between 80 and 20 wt % of the |
| 7490665 |
Variable frequency temperature limited heaters |
February 17, 2009 |
| Certain embodiments provide a heating system configured to heat at least a part of a subsurface formation. The system includes an electrical power supply. A heater section includes one or more electrical conductors electrically coupled to the electrical power supply. The heater section |
| 7488835 |
Process for the preparation of alkylene carbonates |
February 10, 2009 |
| A process for the catalytic carboxylation of alkylene oxides with carbon dioxide, in the presence of a catalyst composition and water, wherein the catalyst composition comprises an alkali metal halide and a macrocyclic chelating compound. |
| 7488372 |
Process for inhibiting deposition of solids from a gaseous stream |
February 10, 2009 |
| The present invention relates to a process for degassing an aqueous solution containing a hydroformylation product and separating a volatile metal species from gaseous stream to inhibit or prevent deposition of a solid material from the gaseous stream. To separate the volatile metal |
| 7485597 |
Method for improving the selectivity of a catalyst and a process for the epoxidation of an olefi |
February 3, 2009 |
| 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 m.sup.2 surface area of the support, which method comprises contacting the catalyst, or a precursor of the catalyst comprising the silver |
| 7485353 |
Silicon rubber comprising an extender oil and process to prepare said extender oil |
February 3, 2009 |
| A silicon rubber composition containing a hydrocarbon extender oil, wherein the oil is a Fischer-Tropsch derived oil. A process to prepare a silicon rubber extender oil having a CN number as measured according to IEC 590 of between 15 and 30%, a kinematic viscosity at 40.degree. C. of |
| 7482312 |
Engine oils for racing applications and method of making same |
January 27, 2009 |
| An automotive racing oil and method of making same, the automotive racing oil comprising base oil comprising polyalphaolefin and racing oil components effective to produce automotive racing oil properties comprising a kinematic viscosity of from about 3.2 centistokes (cSt) to about 2 |
| 7481274 |
Temperature limited heaters with relatively constant current |
January 27, 2009 |
| Certain embodiments provide a system configured to heat a subsurface formation. The system includes an electrical power supply. A heater section includes one or more electrical conductors electrically coupled to the electrical power supply. At least one of the electrical conductors i |
| 7479565 |
Process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, or an alkanolamine |
January 20, 2009 |
| A process is provided for the epoxidation of an olefin comprising the steps of: contacting a feed comprising an olefin and oxygen with a catalyst comprising a silver component deposited on a fluoride-mineralized carrier; and producing a product mix comprising an olefin oxide, wherein |
| 7478536 |
Floating hydrocarbon treating plant |
January 20, 2009 |
| A floating hydrocarbon treating plant containing a vessel having a hull and a deck and having tanks located below the deck for storing hydrocarbons, and a plant for treating hydrocarbons located at the deck of the vessel is provided. The plant for treating hydrocarbons includes space |
| 7478483 |
Adjustable support apparatus and method |
January 20, 2009 |
| An adjustable support comprising: a first gripper, a second gripper separated from the first gripper by a distance, a first block connectable to the first gripper, a second block connectable to the second gripper, an alignment element connectable to the first block and the second block, |
| 7475724 |
Method of determining a fluid inflow profile of wellbore |
January 13, 2009 |
| A method of determining a fluid inflow profile along the length of a permeable inflow region of an underground wellbore comprising: transferring heat into or from the permeable inflow region of the wellbore during a well shut period; starting production of hydrocarbon fluids via the |
| 7474969 |
Method and system for production metering of oil wells |
January 6, 2009 |
| The present invention relates to a method and system for determining multiphase fluid streams flowing from individual wells of a cluster of crude oil, gas and/or other fluid production wells, wherein the fluid streams produced by the individual wells are commingled and routed via a f |
| 7474221 |
Marking of pipe joints |
January 6, 2009 |
| An improved method of permanently marking the location of a tubular joint, the method including creating a cavity into the end surface of one of the tubular ends that are to be joined by a forge weld or screw thread connection, inserting a marker into said cavity and subsequently joining |
| 7473347 |
Process to prepare a lubricating base oil |
January 6, 2009 |
| Process to prepare two or more base oil grades, which base oil grades have different kinematic viscositys at 100.degree. C. from a waxy paraffinic Fischer-Tropsch product having a content of non-cyclic iso-paraffins of more than 70 wt % by: (a) obtaining from the waxy paraffinic Fisc |
| 7470644 |
Process for combusting coke |
December 30, 2008 |
| The invention pertains to a process for combusting coke of a coke-containing FCC catalyst in a regeneration unit of a FCC unit having the introduction of oxygen-containing gas through a gas-transport unit into the regeneration unit and combusting the coke by means of an oxygen-contai |
| 7470410 |
Support system for reactor vessel internals |
December 30, 2008 |
| The invention is a support system for use with a reactor vessel that defines a reactor zone and has an inlet manway providing an opening into the reactor zone. The support system comprises a manway insert that is supported by the inlet manway and extends through the opening of the in |
| 7470304 |
Process for the manufacture of sulphur-containing ammonium phosphate fertilizers |
December 30, 2008 |
| The invention relates to a process for the manufacture of sulphur-containing fertilizers comprising the steps of: (a) mixing ammonia, phosphoric acid and water in a reactor unit to obtain an ammonium phosphate mixture; (b) introducing the mixture obtained in step (a) into a granulato |
| 7467913 |
Faired truss spar |
December 23, 2008 |
| A spar structure is disclosed for offshore hydrocarbon recovery operations having a vertically oriented elongated floating hull with a buoyant upper section, a ballasted lower section, and a truss member separating the floating hull from the lower ballasted section. A anchoring system |
| 7467671 |
Drill bit with protection member |
December 23, 2008 |
| A method is provided for removing a body of selected material from the interior of a casing extending into a borehole formed in an earth formation. The method comprises lowering a drill bit for further drilling of the borehole, into the casing, the drill bit having a longitudinal axi |
| 7465840 |
Process for the preparation of alkylene glycol |
December 16, 2008 |
| A process for the preparation of an alkylene glycol, said process comprising reacting the corresponding alkylene carbonate with water and/or an alcohol in the presence of a metalate immobilised on a solid support, wherein the solid support is a strongly basic ion exchange resin havin |
| 7464774 |
Drill bit and system for drilling a borehole |
December 16, 2008 |
| A drill bit for drilling a borehole in an object, the drill bit having a central longitudinal axis and comprising: a pilot section for drilling a pilot bore section of the borehole in the object; an under-reaming section in a following position with respect to the pilot section, the |
| 7464763 |
Method of injecting lift gas and gas lift flow control device |
December 16, 2008 |
| A method is disclosed for injecting lift gas or other fluid into a production conduit of an oil well via one or more wear resistant downhole gas lift flow control devices which each comprise: a tubular valve housing (1) comprising a flow passage (2) having an upstream end (9) which i |
| 7462752 |
Process to convert linear alkanes into alpha olefins |
December 9, 2008 |
| This invention provides for a process to convert branched or linear alkanes to branched or linear alpha olefins (AO) of the same carbon number. The process comprises the steps of: a) halogenating linear alkanes, branched alkanes, or a mixture of linear and branched alkane to produce |
| 7462748 |
Process for the preparation of alkylene glycol |
December 9, 2008 |
| A process for the preparation of an alkylene glycol, said process comprising reacting the corresponding alkylene carbonate with water in the presence of a catalyst, wherein the catalyst comprises bicarbonate as active phase, immobilized on a solid support, having one or more electrop |
| 7462730 |
Branched ester composition |
December 9, 2008 |
| A branched ester composition obtainable by the reaction of a carboxylic acid with a branched alcohol composition under esterification reaction conditions wherein the branched alcohol composition has from about 8 to about 36 carbon atoms and an average number of branches per molecule of |
| 7462209 |
Reactor for performing a steam reforming reaction and a process to prepare synthesis gas |
December 9, 2008 |
| A reactor vessel for performing a steam reforming reaction having a vessel inlet for natural gas and steam; a vessel inlet for a hot gaseous medium; a vessel outlet for the steam reforming product; and a reactor space which is a bed of steam reforming catalyst, which reactor space inlet |
| 7461691 |
In situ recovery from a hydrocarbon containing formation |
December 9, 2008 |
| An in situ process for treating a hydrocarbon containing formation is provided. The process may include providing heat from one or more heaters to at least a portion of the formation. The heat may be allowed to transfer from the one or more heaters to a part of the formation such tha |
| 7461580 |
Casing conveyed well perforating apparatus and method |
December 9, 2008 |
| Disclosed is a casing conveyed perforating system and methods for externally perforating a wellbore and casing. The perforating system is attached to the outside of the casing and is conveyed along with the casing when it is inserted into the wellbore. The perforation may be accompli |
| 7461561 |
Apparatuses and methods for monitoring stress in steel catenary risers |
December 9, 2008 |
| The invention describes apparatuses and methods of monitoring fatigue, structural response, and operational limits in structural components. More particularly, the present invention relates to fatigue, response, and operational monitoring systems on steel catenary risers using optical |
| 7459589 |
Process for the preparation of an alkylene glycol |
December 2, 2008 |
| The invention provides for the utilization of microchannel apparatus in a process for the preparation of an alkylene glycol by the reaction of a corresponding alkylene oxide and water. |
| 7459226 |
Solid oxide fuel cell |
December 2, 2008 |
| The invention relates to a solid oxide fuel cell having an inlet for fuel, an inlet for air, an outlet for product gas, an outlet for depleted air, a fuel flow path between the inlet for fuel and the outlet for product gas, an air flow path between the inlet for air and the outlet for ai |
| 7456299 |
Process for the production of alkylene carbonate and use of alkylene carbonate thus produced in |
November 25, 2008 |
| An alkylene carbonate is produced by the reaction of an alkylene oxide with carbon dioxide in the presence of a phosphonium compound as catalyst in a process in which (a) the alkylene oxide, carbon dioxide and the phosphonium catalyst are continuously introduced into a reaction zone |
| 7455126 |
Percussive drill bit, drilling system comprising such a drill bit and method of drilling a bore |
November 25, 2008 |
| A percussion drill bit for drilling into a subterranean earth formation. The drill bit has a central longitudinal axis and is operable by applying axial percussive motion along the axis and rotary motion about the axis. The drill bit is provided with a plurality of blades protruding from |
| 7453015 |
Process for the preparation of alkylene glycols |
November 18, 2008 |
| A process for the conversion of an alkylene oxide to the corresponding alkylene glycol in the presence of a catalytic composition, carbon dioxide and water, wherein the catalytic composition comprises a halide, a metalate and optionally a macrocyclic chelating compound. |
| 7453014 |
Process for the preparation of alkylene glycol |
November 18, 2008 |
| The invention provides a process for the preparation of an alkaline glycol from an alkaline carbonate, wherein alkaline carbonate is hydrolyzed in the presence of catalyst in a baffled reactor. The baffled reactor has at least four compartments, the compartments are formed by internal ba |
| 7452516 |
Distribution device |
November 18, 2008 |
| The invention relates to a distribution device (1) for distributing liquid over an underlying catalyst bed comprising a horizontal collection tray (2) provided with at least one gas chimney (3) for upward or downward passage of gas and with liquid dosing nozzles (4) for downward passage |
| 7452479 |
Chemical base for fuel cell engine heat exchange coolant/antifreeze comprising 1,3-propanediol |
November 18, 2008 |
| A nontoxic fuel cell engine coolant which has an electrical resistivity of greater than 250 kOhm-cm, a boiling point of greater than 90.degree. C., a freezing point of less than -40.degree. C., a thermal conductivity of greater than 0.4 W/m-k, a viscosity of less than 1 cPs at 80.degree. |
| 7451818 |
Method of reducing sand production from a wellbore |
November 18, 2008 |
| A method is provided for the reduction of inflow of rock particles from an earth formation into a wellbore for the production of hydrocarbon fluid. The method comprises creating a zone of reduced compressive stiffness around the wellbore by removing rock material from the wall of the |
| 7451811 |
Expanding a tubular element to different inner diameters |
November 18, 2008 |
| A method of expanding a tubular element is provided, the tubular element having a first portion to be expanded to a first inner diameter and a second portion to be expanded to a second inner diameter larger than the first inner diameter. The method comprising: a) arranging an expandable |
