| Patent Number |
Title Of Patent |
Date Issued |
| 6830735 |
Separator apparatus |
December 14, 2004 |
| A cyclone separator apparatus for separating solids from a gas-solid containing feed resulting in a gas-rich stream, the cyclone separator comprising an upright hollow circular housing (1) fluidly connected to a dipleg (8) having at its lower end a flapper valve (14), wherein the dip |
| 6830734 |
Separator apparatus |
December 14, 2004 |
| A separator apparatus for separating solids from a gas-solid containing feed resulting in a gas-rich stream, the separator comprising an upright hollow circular housing fluidly connected to a dipleg for discharging solids positioned below the housing; a gas outlet tube for discharging th |
| 6827908 |
Standpipe inlet for enhancing particulate solids circulation for petrochemical and other process |
December 7, 2004 |
| In a fluid catalytic cracking (FCC) unit, a regenerator, a stripper or a withdrawal well connecting to either of the vessels, includes a standpipe for circulating catalyst from one vessel to another, the standpipe having an inlet design which reduces gas entrainment during catalyst trans |
| 6825148 |
Nickel-containing ethylene oligomerization catalyst and use thereof |
November 30, 2004 |
| A process for the oligomerization of ethylene to a mixture of olefinic products having high linearity is provided, by using a catalyst comprising a reaction product of a simple divalent nickel salt; a boron hydride reducing agent; a water soluble base; a ligand selected from the group |
| 6824750 |
Vertical extending liquid/liquid contacting column |
November 30, 2004 |
| A vertical extending liquid/liquid contacting column is disclosed, which column will, when in use, contain a dispersed and a continuous liquid phase, the column having a first liquid feed inlet in the top, a first liquid outlet in the top, a second liquid feed inlet in the bottom, a |
| 6823950 |
Method for formation pressure control while drilling |
November 30, 2004 |
| A method for addressing the problem known as formation breathing occurring during the drilling of a subsea well in an earth formation in performing a series of leak off tests to determine the earth formation fracture propagation pressure and the earth formation fracture reopen pressure a |
| 6823937 |
Wellhead |
November 30, 2004 |
| A wellhead is formed by extruding a plurality of tubular liners off of a mandrel into contact with an outer casing. The first tubular liner and mandrel are positioned within the wellbore with the tubular liner in an overlapping relationship with the outer casing. At least a portion of th |
| 6822013 |
Polyol combination |
November 23, 2004 |
| A polyol combination having up to a total of about 100 parts by weight (1) from about 95.1 to about 99.9 parts by weight of a first polyol having a nominal average functionality higher than about 4.5, an equivalent molecular weight in the range of from about 1500 to about 2500, a hydroxy |
| 6821925 |
Catalysts made from a new aluminum trihydroxide phase and method of making |
November 23, 2004 |
| Catalysts made from a newly discovered phase of aluminum trihydroxide and processes for making such catalysts. This invention also relates to a method for improving the activity of and for regenerating catalysts having a silica-alumina support. |
| 6821501 |
Integrated flameless distributed combustion/steam reforming membrane reactor for hydrogen produc |
November 23, 2004 |
| Disclosed is a new process and apparatus for steam reforming of any vaporizable hydrocarbon to produce H.sub.2 and CO.sub.2, with minimal CO, and no CO in the H.sub.2 stream, using a membrane steam reforming (MSR) reactor and flameless distributed combustion (FDC) which provides great |
| 6820688 |
In situ thermal processing of coal formation with a selected hydrogen content and/or selected H/ |
November 23, 2004 |
| A coal formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. A |
| 6818797 |
Process for the hydroformylation of ethylenically unsaturated compounds in the presence of an ac |
November 16, 2004 |
| The invention pertains to a process for the hydroformylation of an ethylenically unsaturated compound in the presence of an acid with a pKa<+3, and a catalyst of a group VIII metal and a bidentate ligand of the formula:wherein P is a phosphorus atom, X represents a bivalent organic br |
| 6818146 |
Chemical base for engine coolant/antifreeze with improved thermal stability properties |
November 16, 2004 |
| 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. |
| 6817412 |
Method and apparatus for the optimal predistortion of an electromagnetic signal in a downhole co |
November 16, 2004 |
| A method and apparatus for communicating a desired target signal along a piping structure is provided. Because of a lossy communication path presented by the piping structure, an input signal, which is transmitted from a first location on the piping structure, is consciously predistorted |
| 6817081 |
Process for providing a surface with a fire-proof and/or wear resistant lining |
November 16, 2004 |
| A process to provide a surface with a fire-proof and/or wear resistant lining involving the following steps: a) mechanically fixing anchoring means to the surface, which anchoring means are pre-coated with a coating that melts at a temperature in the range from 40.degree. C. to 100.de |
| 6814146 |
Annulus for electrically heated pipe-in-pipe subsea pipeline |
November 9, 2004 |
| Apparatus and method for electrically heating a segment of a subsea pipeline are provided. The annulus between the pipes electrically isolates the pipes, but at the ends of the segment the concentric pipes are electrically connected. The inner pipe may be thermally insulated. Electri |
| 6808632 |
In situ method and apparatus for biodegradation of alkyl ethers and tertiary butyl alcohol |
October 26, 2004 |
| A method and apparatus for the in situ purification of aquifers contaminated with ethers and/or alcohols using a bacterial culture, a method of delivering the culture to the subsurface, and an oxygen delivery system. |
| 6806391 |
Process for the carbonylation of ethylenically unsaturated compounds and bidentate diphosphine c |
October 19, 2004 |
| Process for the carbonylation of optionally substituted ethylenically unsaturated compounds by reaction with carbon monoxide and a coreactant in the presence of a catalyst system. The catalyst system includes (a) a source of Pt group metal cations, (b) a certain bidentate diphosphine c |
| 6806297 |
Process for the production of liquid hydrocarbons |
October 19, 2004 |
| A process for producing normally liquid hydrocarbon products from a hydrocarbonaceous feedstock, especially from normally gaseous hydrocarbon feed, having the following steps: (a) partial oxidation of the normally gaseous hydrocarbon feed at elevated pressure using air or oxygen enriched |
| 6805195 |
In situ thermal processing of a hydrocarbon containing formation to produce hydrocarbon fluids a |
October 19, 2004 |
| A hydrocarbon containing formation may be treated using an in situ thermal process. A mixture of hydrocarbons, H.sub.2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolys |
| 6802375 |
Method for plugging a well with a resin |
October 12, 2004 |
| A method for carrying out well construction, repair and abandonment operations, the method involves introducing a resin into a well and curing the same to form a seal, plug or connection, wherein the cured resin is expanded to at least the volume occupied by the resin prior to curing |
| 6800718 |
Process for producing polytrimethylene terephthalate (PTT) |
October 5, 2004 |
| Process of producing polytrimethylene terephthalate (PTT) by esterification of terephthalic acid (TPA) with trimethylene glycol (TMG) in the presence of a catalytic, titanium compound, precondensation and polycondensation. The esterification is effected in at least two stages, where in t |
| 6800595 |
Grease composition with improved rust prevention and abrasion resistance properties |
October 5, 2004 |
| A grease composition having a base oil and a thickener, which grease additionally has from 0.05% to 30% by weight of sodium thiosulphate and at least 0.1% by weight of one or more additives selected from the group of: calcium salicylate, magnesium salicylate, calcium phenate, and calcium |
| 6799645 |
Method and apparatus for drilling and completing a well with an expandable sand control system |
October 5, 2004 |
| A system for controlling sand has an expandable screen an an inner string to isolate the sand screen allowing for drilling fluids to be circulated to the bottom of the drilling assembly, before returning up the annulus in normal fashion. Both ends of the expandable screen are mount on an |
| 6799634 |
Tracer release method for monitoring fluid flow in a well |
October 5, 2004 |
| A tracer release method for monitoring fluid flow in a well utilizes a deformable container having a liquid tracer material which container has an outlet which debouches into the neck portion of a venturi in a well conduit. The container has a wall which is at least partly exposed to the |
| 6797239 |
Spent catalyst distributor |
September 28, 2004 |
| The present invention is related to methods and apparatus for improving distributions of both spent catalyst and transport gas into a regenerator of a fluid catalytic cracking unit. Spent catalyst and transport gases move upwardly through a spent catalyst riser and are diverted in a |
| 6797238 |
Apparatus and process for vaporizing a heavy hydrocarbon feedstock with steam |
September 28, 2004 |
| Apparatus for the vaporization of a heavy hydrocarbon feedstock with steam includes a frusto-conically-shaped element which is capable of inducing a gentle swirl pattern to a liquid-containing stream, which device is connected to the feed inlet pipe of the mixing nozzle. This swirl-induc |
| 6796741 |
In-situ bioremediation process and apparatus |
September 28, 2004 |
| A process and apparatus for the in-situ bioremediation of aquifers contaminated with chemicals by delivering a chemical degrading bacterial culture using a bacterial slurry delivery apparatus, which is designed to prevent backflow of soil and clogging of the apparatus, and a networked |
| 6796390 |
Method and device for moving a tube in a borehole in the ground |
September 28, 2004 |
| A tube (1) in a borehole (2) in the ground (3) is displaced. The tube is simultaneously displaced along and about its axis, such that it is axially introduced into or retracted from the borehole. According to the invention, displacing the composed tube about its axis comprises an osc |
| 6794553 |
Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful there |
September 21, 2004 |
| 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 |
| 6789625 |
In situ thermal processing of a hydrocarbon containing formation using exposed metal heat source |
September 14, 2004 |
| A hydrocarbon containing formation may be treated using an in situ thermal process. Hydrocarbons, H.sub.2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation from heat sources to raise a temperature of a portion of the formation to a |
| 6789394 |
Controlling the production of a liquefied natural gas product system |
September 14, 2004 |
| Controlling the production of a liquefied natural gas comprising measuring the temperature and the flow rate of the liquefied natural gas; maintaining the flow rate of the heavy mixed refrigerant at an operator manipulated set point; and determining the flow rate of the light mixed r |
| 6788619 |
Concentrating seismic energy in a selected target point in an underground formation |
September 7, 2004 |
| Providing a set of seismic sources in a focusing array to enable concentrating seismic energy in a selected target point (k) in an underground formation, by performing a standard seismic survey of the underground formation using a set of impulsive seismic sources and a set of downhol |
| 6787027 |
Breaking of oil/water emulsion |
September 7, 2004 |
| Process for separating an emulsion of a bituminous oil and water into a liquid water phase and a liquid bituminous oil phase, wherein the following steps are performed: (a) raising the temperature of the bituminous oil/water emulsion having a temperature of below 100 .degree. C. to a |
| 6786086 |
Determining the in situ effective mobility and the effective permeabilty of a formation |
September 7, 2004 |
| A method for determining the in-situ effective mobility of hydrocarbons in a formation layer, in which a formation test tool, having a fluid analyzer, induces sample fluid to flow from the formation, the sample being analyzed and discarded where it includes fluid from the invaded zon |
| 6782947 |
In situ thermal processing of a relatively impermeable formation to increase permeability of the |
August 31, 2004 |
| A method for treating a relatively low permeability formation containing heavy hydrocarbons in situ may include providing heat from one or more heat sources to a portion of the formation. The heat may be allowed to transfer from the heat sources to a selected section of the formation. Th |
| 6779602 |
Seal |
August 24, 2004 |
| A sealing device is provided for making a seal against an annular surface. The device includes at least one flexible seal ring having a relaxed position in which the seal ring is out of contact with the surface and an active position in which the seal ring is in sealing contact with the |
| 6777579 |
Hydroformylation process |
August 17, 2004 |
| A hydroformylation process is provided that involves reacting a compound having at least one olefinic carbon-to-carbon bond with hydrogen and carbon monoxide in the presence of a cobalt catalyst and a sulfur-containing additive which suppresses the formation of cobalt carbide in the |
| 6776910 |
In situ method and apparatus for biodegradation of alkyl ethers and tertiary butyl alcohol |
August 17, 2004 |
| A method and apparatus for the in situ purification of aquifers contaminated with ethers and/or alcohols using a bacterial culture, a method of delivering the culture to the subsurface, and an oxygen delivery system. |
| 6776825 |
Supersonic separator apparatus and method |
August 17, 2004 |
| An apparatus and method of removing a selected component from a stream of fluid containing a plurality of components is provided. The stream is induced to flow at supersonic velocity through a conduit so as to decrease the temperature of the fluid to below a selected temperature at which |
| 6774806 |
Monitoring an element of a plant |
August 10, 2004 |
| A method of monitoring an element of a plant is disclosed which comprises the steps of: (a) producing an image representing the state of the element and recording the image in the form of a data set; (b) comparing the data set with a norm in order to determine a change in the state |
| 6773598 |
Method and apparatus for biodegradation of oxygenates |
August 10, 2004 |
| The present invention provides a method of treating groundwater or other water stream(s) contaminated with an oxygenate to degrade said oxygenate which comprises: a) inoculating a biodegrader capable of degrading said oxygenate on a packed activated carbon bed through a rigid tubular |
| 6773235 |
Rotodynamic multi-phase flow booster pump |
August 10, 2004 |
| A method and system for optimizing the performance of a rotodynamic multi-phase flow booster, such as a wet gas compressor, utilizes a meter which measures the fluid density .rho. upstream of the booster and controls the speed of rotation .OMEGA. of the rotor(s) of the booster, such |
| 6770191 |
Process for the preparation of linear olefins and use thereof to prepare linear alcohols |
August 3, 2004 |
| Process for the preparation of a mixture comprising C.sub.5 + linear olefins, which process comprises the steps of (a) reacting carbon monoxide and hydrogen in the presence of an effective amount of Fischer-Tropsch catalyst under Fischer-Tropsch reaction conditions; (b) separating |
| 6769485 |
In situ production of synthesis gas from a coal formation through a heat source wellbore |
August 3, 2004 |
| A coal formation may be treated using an in situ thermal process. Hydrocarbons, H.sub.2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation to raise a temperature of a portion of the formation to a synthesis gas production temperature. |
| 6769483 |
In situ thermal processing of a hydrocarbon containing formation using conductor in conduit heat |
August 3, 2004 |
| A hydrocarbon containing formation may be treated using an in situ thermal process. Hydrocarbons, H.sub.2, and/or other formation fluids may be produced from the formation. Heat may be applied to the formation from heat sources to raise a temperature of a portion of the formation to a |
| 6768020 |
Method for the catalytic conversion of organic carbonate and the use of a lanthanum catalyst the |
July 27, 2004 |
| A method for the catalytic conversion of organic carbonate, wherein organic carbonate is contacted with alcohol and/or water in the presence of a lanthanum catalyst comprising at least about 7 wt. % of lanthanum supported on a support. |
| 6766772 |
Apparatus for heating steam |
July 27, 2004 |
| An apparatus for heating steam formed from cooling water in a heat exchanger for hot gas, having a superheater arranged in the heat exchanger vessel; a process for heating steam performed in such an apparatus; and a process for gasification of a hydrocarbonaceous feedstock involving such |
| 6765116 |
Process of preparing a fluid rare earth alkoxylation catalyst |
July 20, 2004 |
| A process to prepare an improved fluid rare earth phosphate catalyst composition useful in preparing alkylene oxide adducts of organic compounds having active hydrogen atoms is provided. The catalyst is prepared by dissolving a rare earth salt in a C.sub.9 -C.sub.30 active hydrogen c |
| 6765106 |
Process for preparing a branched olefin, a method of using the branched olefin for making a surf |
July 20, 2004 |
| A process for preparing branched olefins comprising 0.5% or less quaternary aliphatic carbon atoms, which process comprises dehydrogenating an isoparaffinic composition over a suitable catalyst which isoparaffinic composition comprises paraffins having a carbon number in the range of |
