| Patent Number |
Title Of Patent |
Date Issued |
| 7374663 |
Process for vaporizing a heavy hydrocarbon feedstock with steam |
May 20, 2008 |
| A process for the preparation of lower olefins from a heavy hydrocarbon feedstock by vaporizing said heavy hydrocarbon feedstock with steam in a nozzle wherein a two-phase mixture is passed through a device having a frusto-conically-shaped element which is capable of inducing a gentle |
| 7370704 |
Triaxial temperature limited heater |
May 13, 2008 |
| Certain embodiments provide a heater. The heater includes an inner electrical conductor. A heater section at least partially surrounds the inner electrical conductor. The heater section is configured to generate an electrically resistive heat output during application of time-varying |
| 7364661 |
Method and device for separating a mixture of fluids |
April 29, 2008 |
| A mixture of fluids is separated into at least two phases, one of which has a higher density than the other, passing the mixture through a normally horizontal supply pipe, by creating a stratified flow in the supply pipe, by passing the mixture through an inclined pipe, whilse mainta |
| 7363691 |
Method and apparatus for forming a mono-diameter wellbore casing |
April 29, 2008 |
| A mono-diameter wellbore casing. The mono-diameter wellbore casing is formed by plastically deforming and radially expanding a first tubular member within a wellbore. A second tubular member is then plastically deformed and radially expanded in overlapping relation to the first tubul |
| 7363690 |
Method and apparatus for forming a mono-diameter wellbore casing |
April 29, 2008 |
| A mono-diameter wellbore casing. The mono-diameter wellbore casing is formed by plastically deforming and radially expanding a first tubular member within a wellbore. A second tubular member is then plastically deformed and radially expanded in overlapping relation to the first tubul |
| 7360604 |
Expander system for stepwise expansion of a tubular element |
April 22, 2008 |
| An expander system for radially expanding a tubular element having an unexpanded portion of a first inner diameter, the expander system including an expander movable between a radially retracted mode and a radially expanded mode, the expander being operable to expand the tubular elem |
| 7360588 |
Thermal processes for subsurface formations |
April 22, 2008 |
| A process may include providing heat from one or more heaters to at least a portion of a subsurface formation. Heat may transfer from one or more heaters to a part of a formation. In some embodiments, heat from the one or more heat sources may pyrolyze at least some hydrocarbons in a par |
| 7359830 |
Method for automatic on-line calibration of a process model |
April 15, 2008 |
| A method is disclosed for collecting and processing raw process data. The method includes processing the raw data through a process model to obtain a prediction of the process quality; processing this prediction through two dynamic transfer functions thus creating two intermediate signal |
| 7358411 |
Hydrocracking of diphenylalkanes |
April 15, 2008 |
| The invention relates to a hydrocracking process involving the steps of reacting a diphenyl alkane having a formulation of R1R2C(Ph)-(C)n(H)m-C(Ph)R3R4 with hydrogen using a catalyst containing a metal selected from the group consisting of Group IB and Group VIII metal compounds, pre |
| 7357825 |
Cyclonic fluid separator with vortex generator in inlet section |
April 15, 2008 |
| A cyclonic fluid separator of the type comprising a tubular throat portion in which a fluid mixture is accelerated to a subsonic or supersonic speed and thereby expanded and cooled down so that condensable components condense and/or solidify and then swirl into a diverging fluid outlet |
| 7357190 |
Radial expansion of tubular members |
April 15, 2008 |
| An apparatus and method for coupling a tubular member to a preexisting structure. |
| 7357188 |
Mono-diameter wellbore casing |
April 15, 2008 |
| A mono-diameter wellbore casing is formed by radially expanding a first tubular liner off of a mandrel into contact with a second tubular liner. The first and second tubular liners are positioned within the wellbore in an overlapping relationship. The overlapping portions of the tubular |
| 7357180 |
Inhibiting effects of sloughing in wellbores |
April 15, 2008 |
| Certain embodiments provide a method for treating a subsurface formation. The method includes providing one or more explosives into portions of one or more wellbores selected for the explosion in the formation. The wellbores are formed in one or more zones in the formation. The explo |
| 7355087 |
Production of 1-alkenes from mixed olefin streams using catalytic distillation |
April 8, 2008 |
| A catalytic distillation process for isomerizing and separating 1-alkenes from a mixed alkene stream. The process comprises contacting a mixed alkene stream comprising the 1-alkene and homologs thereof with a supported isomerization catalyst under isomerization/distillation condition |
| 7354531 |
Polymer electrolyte composition |
April 8, 2008 |
| A composition for use as a polymer electrolyte, wherein said composition includes one or more polar materials and one or more polyesters of formula III, ##STR00001## wherein each unit A may be identical or different and is of the structure IV, ##STR00002## wherein each unit B may b |
| 7354508 |
Process to prepare a heavy and a light lubricating base oil |
April 8, 2008 |
| The invention relates to a process to prepare a heavy and a light lubricating base oil from a partly isomerized Fischer-Tropsch derived feedstock, the feedstock having an initial boiling point of below 400.degree. C. and a final boiling point of above 600.degree. C. by (a) separating |
| 7353872 |
Start-up of temperature limited heaters using direct current (DC) |
April 8, 2008 |
| Certain embodiments provide a method for heating a subsurface formation. The method includes applying direct electrical current (DC) to a heater section below a first selected temperature to provide an electrically resistive heat output. The heater section includes one or more electrical |
| 7351873 |
Continuous process to separate colour bodies and/or asphalthenic contaminants from a hydrocarbon |
April 1, 2008 |
| A continuous process to separate color bodies and/or asphalthenic contaminants from a hydrocarbon mixture by passing part of the hydrocarbon mixture through a membrane over which membrane a pressure difference is maintained thereby obtaining a hydrocarbon permeate having a reduced co |
| 7351392 |
Process for the high recovery efficiency of sulfur from an acid gas stream |
April 1, 2008 |
| A combined process for the recovery of sulfur from an acid gas stream. The combined process includes both a Claus unit and a unit for treating the Claus tail gas with caustic to remove hydrogen sulfide therefrom and to biologically oxidize the hydrogen sulfide using certain types of sulf |
| 7350448 |
Perforating apparatus, firing assembly, and method |
April 1, 2008 |
| A firing assembly for activating a perforating device comprising a module having a first chamber and a second chamber. The firing assembly comprises a firing head for transferring ballistic energy to the perforating device, said firing head having a detonator and a plurality of balli |
| 7348465 |
Selective alkylation of aromatic hydrocarbons |
March 25, 2008 |
| A method for increasing selectivity of alkylation to monoalkylation comprising: providing a feedstream consisting essentially of alkylating agent and a stoichiometric excess of benzene, the alkylating agent consisting essentially of a molar blend of propylene and one or more linear b |
| 7348462 |
Process for preparing branched olefins from a paraffinic wax |
March 25, 2008 |
| A process for preparing branched alkyl aromatic hydrocarbons, which process comprises contacting branched olefins with an aromatic hydrocarbon under alkylating conditions, which branched olefins have been obtained by a process which comprises dehydrogenating an isoparaffinic composit |
| 7348454 |
Process for the hydrocarboxylation of ethylenically unsaturated carboxylic acids |
March 25, 2008 |
| A process for the hydrocarboxylation of an ethylenically unsaturated carboxylic acid, by reacting it with carbon monoxide and a co-reactant selected from the group of water and carboxylic acids in the presence of a catalyst system including: (a) a source of palladium; (b) a bidentate |
| 7348444 |
Process for the production of an olefin oxide |
March 25, 2008 |
| A process for the production of an olefin oxide, which process comprises reacting a feed comprising an olefin and oxygen in the presence of a silver-containing catalyst, wherein before the catalyst has reached an advanced stage of ageing the reaction temperature is above 255.degree. C. |
| 7347928 |
Process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade from |
March 25, 2008 |
| A process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade by: (a) performing a separate catalytic dewaxing on a spindle oil fraction, a light machine oil fraction and a medium machine oil fraction as obtained in a vacuum distillation of a bottoms fract |
| 7347282 |
Steerable soil penetration system |
March 25, 2008 |
| A steerable soil penetration system having a steerable penetration head, which compacts and does not cut away the surrounding soil and which is connected to an elongate flexible tubing such that the orientation of the penetration head can be varied relative to the tubing. The elongate |
| 7345106 |
Composition comprising EPDM and a paraffinic oil |
March 18, 2008 |
| The invention relates to a composition having a ethylene-propylene-diene rubber component and a Fischer-Tropsch derived process oil. The process oil preferably has a flash point of above 260.degree. C. and an evaporation loss at 107.degree. C. during 22 hours of less than 0.05 wt %. |
| 7344783 |
Durable hydrophobic surface coatings using silicone resins |
March 18, 2008 |
| A hydrophobic coating including solid silsesquioxane silicone resins to increase durability is provided. The hydrophobic coating is any composition that increases the contact angle to a surface, preferably glass. The durability of the hydrophobic coating is preferably increased to on |
| 7344633 |
Process to prepare a base oil having a high saturates content |
March 18, 2008 |
| A process to prepare a base oil having a saturates content of more than 90 wt %, a sulphur content of less than 0.03 wt %, and, a viscosity index of between 80 and 120 from a solvent refined base oil feedstock, which process comprises: (a) contacting the solvent refined base oil feedstoc |
| 7343974 |
Method and apparatus for performing chemical treatments of exposed geological formations |
March 18, 2008 |
| A method for strengthening a wellbore with an exposed geological formation, the method including: determining or estimating material properties of the exposed geological formation; determining changes necessary in material properties of the exposed geologic formation to achieve desir |
| 7342143 |
Polyalphaolefin having a low halide concentration and a method of manufacturing thereof |
March 11, 2008 |
| A method for the processing of a polyalphaolefin feedstock having a concentration of organic halide to thereby yield a polyalphaolefin end-product having a low concentration of organic halide. The method includes a hydrogenation step whereby the polyalphaolefin feedstock is contacted |
| 7342141 |
Process for the preparation of alkanediol |
March 11, 2008 |
| The invention provides a process for the preparation of alkanediol comprising the steps: (i) contacting alkylene oxide with carbon dioxide in the presence of a carbonation catalyst to obtain a reaction mixture containing alkylene carbonate at a reaction temperature of from 100 to 2 |
| 7339087 |
Pyrolysis |
March 4, 2008 |
| Process for pyrolyzing a light feed in a pyrolysis furnace designed for pyrolyzing heavy feed, in which process part of the light feed is introduced at the feed inlet of the convection zone of the pyrolysis furnace and further light feed is introduced into the convection zone togethe |
| 7338644 |
Fuel processor |
March 4, 2008 |
| A compact fuel processor for converting a hydro-carbonaceous fuel into hydrogen and carbon dioxide having in series a hydrocarbon conversion zone for converting the hydro-carbonaceous fuel into a product gas of carbon monoxide and hydrogen, a water-gas shift reaction zone containing |
| 7335802 |
Methods of preparing branched aliphatic alcohols |
February 26, 2008 |
| Systems and methods to produced branched aliphatic alcohols are described. Systems may include a dehydrogenation-isomerization unit, an olefin dimerization unit, an olefin isomerization unit, a hydroformylation unit, a dehydrogenation unit, a hydrogenation unit and/or combinations thereo |
| 7335800 |
Hydrogenation catalyst and hydrogenation method |
February 26, 2008 |
| The present invention provides a hydrogenation catalyst effective for hydrogenating 3-hydroxypropionaldehyde to 1,3-propanediol. The hydrogenation catalyst comprises an .alpha.-alumina support, nickel, ruthenium, and a promoter. The nickel is deposited on the .alpha.-alumina support, |
| 7335253 |
Process for preparing a sulphur cement product |
February 26, 2008 |
| The invention provides a process for preparing a sulphur cement product comprising the following steps: (a) selectively oxidising hydrogen sulphide to elemental sulphur by contacting, in a reaction zone, a hydrogen sulphide containing feed gas and a molecular-oxygen containing gas |
| 7332131 |
Apparatus and method for achieving a desireable feed/catalyst contacting condition in fluid cata |
February 19, 2008 |
| A feed nozzle assembly located near the bottom of an FCC riser reactor includes a plurality of feed nozzles, each feed nozzle including a discharge end which is angled toward the center of the riser. The angled discharged ends provide a combined discharge of hydrocarbon feed and atom |
| 7332072 |
Process to prepare a waxy raffinate |
February 19, 2008 |
| A process to prepare a waxy raffinate product by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch derived feed, 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 product is at least 0.2 a |
| 7329785 |
Process for the production of 1,3-propanediol by catalytic hydrogenation of 3-hydroxypropanal in |
February 12, 2008 |
| A process for preparing 1,3-propanediol comprising the steps of: (a) preparing an aqueous mixture of 3-hydroxypropanal, (b) passing said aqueous 3-hydroxypropanal mixture to a hydrogenation zone wherein the hydrogenation zone is comprised of at least two stages wherein the hydrogenat |
| 7329783 |
Hydroformylation process |
February 12, 2008 |
| A hydroformylation process comprising reacting a feedstock composition comprising a compound having at least one olefinic carbon-to-carbon bond with hydrogen and carbon monoxide in the presence of an organophosphine modified cobalt hydroformylation catalyst, wherein the hydroformylation |
| 7325602 |
Method and apparatus for forming a mono-diameter wellbore casing |
February 5, 2008 |
| A mono-diameter wellbore casing. The mono-diameter wellbore casing is formed by plastically deforming and radially expanding a first tubular member within a wellbore. A second tubular member is then plastically deformed and radially expanded in overlapping relation to the first tubul |
| 7322433 |
Tool for excavating an object |
January 29, 2008 |
| A Tool for excavating an object, the tool having a jetting system arranged to impinge the object to be excavated with a jetted stream of a drilling fluid mixed with abrasive particles, the jetting system being provided with at least a mixing chamber with a drilling fluid inlet, a second |
| 7322410 |
Controllable production well packer |
January 29, 2008 |
| An apparatus and method for operating an electrically powered device in a packer using the piping structure of the well as an electrical conductor for providing power and/or communications. The electrically powered device may comprise an electrically controllable valve, a communications |
| 7320951 |
Silica-based drilling mud comprising glycoside lubricants with amino-linked alkyl chains |
January 22, 2008 |
| The drilling mud with a lowered coefficient of friction having a silicate-based mud and a lubricant selected from the group consisting of: glycosides, alkylpolyalkoxyalcohols, alcohol ester polymers, amine phosphates, starch and combinations thereof. |
| 7320364 |
Inhibiting reflux in a heated well of an in situ conversion system |
January 22, 2008 |
| Certain embodiments provide a method for treating a subsurface formation. The method includes using heaters to form a heated portion of the subsurface formation. A production conduit is used to direct formation fluid in a vapor phase from the heated portion of the subsurface formatio |
| 7318849 |
Cyclonic fluid separator equipped with adjustable vortex finder position |
January 15, 2008 |
| A cyclonic fluid separator for separating one or more condensable components, such as water, and/or solids, such as smoke or sand particles, from a fluid mixture has a tubular housing having a fluid inlet section in which the fluid mixture is accelerated to a supersonic velocity and |
| 7318489 |
Hydraulic motor arrangement and method of operating a hydraulic motor |
January 15, 2008 |
| A hydraulic motor for use in subterranean drilling operations in which a drive fluid within a first reservoir is forced through the motor by a high pressure working fluid, such as drilling mud, the drive fluid entering a second reservoir upon exiting the motor. Upon a change in valvi |
| 7318387 |
Water intake riser |
January 15, 2008 |
| A water intake riser that can be suspended from a vessel having a riser connected to a riser hanger, which riser hanger includes a first tubular element, a second tubular element to which the riser is connected, a flexible load transfer element joining the tubular elements, and a hose |
| 7318343 |
System for detecting gas in a wellbore during drilling |
January 15, 2008 |
| A system is provided for detecting the presence of formation gas in a stream of drilling fluid flowing through a wellbore during drilling of the wellbore. The system has at least one sensor chamber connectable to a drill string for drilling the wellbore, each sensor chamber containing a |
