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WO/2004/029500A1 |
Metallic pipe section (10) for a pipe coil, made from one piece of pipe, comprising at least two pipe elbows (11, 12).
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WO/2004/026995A1 |
A method of inhibiting fouling and viscosity increase in hydrocarbon streams including ethylenically unsaturated monomers is disclosed. The method includes the step of adding to the hydrocarbon stream an effective amount of one or more q...
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WO/2004/017009A1 |
Process tubes (14) of a fired process heater (12) are provided with a more equal heat flux distribution about an exterior circumferential surface region thereof. More specifically, according to the present invention, there is provided on...
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WO/2004/015029A1 |
The invention relates to a method for thermally cleaving hydrocarbons in the presence of steam, during which the feed mixture is guided through externally heated tubes with helical inner ribs, and a swirling flow is produced inside the g...
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WO/2004/007642A1 |
The present invention includes methods for improving the operational parameters in primary fractionators which are experiencing diminished operation efficiencies due to deposits of polymerized hydrocarbon species. The invention comprises...
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WO/2004/005432A1 |
A process for treating hydrocarbon feed in a furnace, the process comprising: (a) heating hydrocarbon feed, (b) adding water to the heated feed, (c) adding dilution steam to the heated feed to form a mixture, (d) heating the resulting mi...
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WO/2004/005431A1 |
A process to increase the non-volatile removal efficiency in a flash drum in the steam cracking system. The gas flow from the convection section is converted from mist flow to annular flow before entering the flash drum to increase the r...
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WO/2004/005433A1 |
A process for feeding or cracking heavy hydrocarbon feedstock containing non-volatile hydrocarbons comprising: heating the heavy hydrocarbon feedstock, mixing the heavy hydrocarbon feedstock with a fluid and/or a primary dilution steam s...
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WO/2004/000974A1 |
A process is provided for the production of xylenes from reformate. The process is carried out by methylating under conditions effective for the methylation, the benzene/toluene present in the reformate outside the reforming loop, to pro...
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WO/2003/104356A1 |
An aqueous solution of alkali metal hydroxide is heated until the mixture of water steam and molten hydroxide is formed by the indirect heat exchange thereof with a heated substance flow. Said hydroxide is supplied to the surface of a co...
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WO/2003/095590A1 |
A hydrocarbon cracking process and apparatus for recovering ethylene from hydrocarbon raw material streams. More particularly, the hydrocarbon cracking process and apparatus of this invention utilizes a furnace with a convection section ...
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WO/2003/091360A1 |
The present invention relates to a process for pyrolysis of hydrocarbons for olefin preparation, and particularly to a process for pyrolysis of hydrocarbons comprising pyrolyzing paraffin hydrocarbons in the presence of steam to prepare ...
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WO/2003/089388A1 |
A process for upgrading a Fischer-Tropsch feedstock which comprises (a) recovering from a Fischer-Tropsch reactor (4) a Fischer-Tropsch wax fraction (6) and a Fischer-Tropsch condensate fraction (8), wherein the Fischer-Tropsch condensat...
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WO/2003/089548A1 |
A process for converting a blend of plastic waste and a Fischer-Tropsch waxy fraction into high VI lube oils. A Fischer-Tropsch wax is separated into a 1000°F+ fraction and a 1000°F- fraction. The higher boiling fraction is combined wi...
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WO/2003/087267A1 |
A process and apparatus for removing particulate material from a flash zone gas oil stream produced in a delayed coking unit. The process and apparatus of the invention employ cyclonic separation to remove particulate material from the f...
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WO/2003/087268A2 |
A cracking furnace for the pyrolysis heating of an organic feedstock includes a heating section and at least one convection section. In one embodiment the furnace includes first and second convection sections positioned along opposite si...
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WO/2003/085069A1 |
The present invention relates to a process for increasing the capacity for processing residua and obtaining higher yields of liquids having an average boiling point equal to or less than about 510°C. A residual feedstock is introduced w...
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WO/2003/078914A1 |
The invention relates to a method and device for at least partially removing carbon deposits from a heat exchanger. The inventive method consists in performing an oxidation treatment comprising at least one controlled oxidation step, at ...
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WO/2003/072836A1 |
A copper-base alloy, which is resistant or immune to carburization, metal dusting and coking, resistant to oxidation and said alloy having the following composition (all contents in weight-%): Al > 0-15; Si ≥ 0-6; Mg ≥ 0-6, one or mo...
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WO/2003/072837A1 |
A copper−base alloy, which is resistant or immune to carburization, metal dusting and cooking, resistant to oxidation and said alloy having the following composition (all contents in weight−%): Al >0 − 15 Si ≥0 − 6 Mg ≥0 − ...
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WO/2003/062352A2 |
Method for the preparation of lower olefines by steam cracking, wherein the feed comprises heavy hydrocarbons obtained by Fischer-Tropsch synthesis are subjected to steam cracking in a naphtha designed steam cracking furnace for steam cr...
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WO/2003/059851A1 |
Provided is a process for converting methane at a remote natural gas site into ethylene and other products. Methane is converted into syngas which is converted into a low−sulfur liquid hydrocarbon mixture containing less than 1 ppm sul...
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WO/2003/057802A2 |
Disclosed is a method for steam-cracking naphtha, according to which a charge of hydrocarbons containing a portion of paraffinic naphtha, which is modified by adding a combination of a first component containing a portion of gasoline and...
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WO2003035811A9 |
A method for treating a hydrocarbon containing formation is provided. In one embodiment, heat from one or more heaters may be provided to at least a portion of the formation. Heat may be allowed to transfer from the one or more heaters t...
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WO/2003/054114A2 |
A fluid catalytic cracking catalyst made from microspheres that initially contain kaolin, a dispersible boehmite alumina and a sodium silicate or silica sol binder. The kaolin portion contains hydrous kaolin and optionally spinel, or mul...
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WO/2003/050206A1 |
The invention relates to a method for improving yield in petroleum streams derived from coking processes. In a preferred embodiment, the invention relates to a method for regenerating filters employed to remove particulate matter from co...
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WO/2003/048271A1 |
A delayed coking process wherein substantially all of the coke produced is free-flowing anisotropic shot coke. A coker feedstock, such as a vacuum residuum, is treated with an oxidizing agent, such as air, to increase the level of one or...
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WO/2003/046111A1 |
The present invention provides a process for the preparation of an electrode binder, which process comprises: - (a) thermally cracking a non-hydrotreated thermal tar feedstock having an aromatic content of less than 65 % wt; (b) separati...
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WO/2003/044125A2 |
A process is provided to produce a dilute ethylene stream and a dilute propylene stream to be used as feedstocks for producing olefin-based derivatives. Specifically, the dilute ethylene stream is used as a feedstock to produce ethylbenz...
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WO/2003/040262A2 |
The present invention provides a process for the production of olefins wherein a synthetic naphtha is passed to a steam cracker. The synthetic naphtha is derived from the fractionation of a Fischer-Tropsch product stream. The Fischer-Tro...
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WO/2003/040513A2 |
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 m...
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WO/2003/036034A1 |
A system to heat a hydrocarbon containing formation includes a conduit placed within an opening in the formation. A conductor is placed within the conduit. The conductor provides heat to a portion of the formation. An electrically conduc...
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WO/2003/036040A2 |
An in situ process for treating a hydrocarbon containing formation includes providing heat from one or more heat sources to a portion of the formation. Heat sources include a natural distributed combustor. The natural distributed combust...
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WO/2003/036038A2 |
A process for producing hydrocarbons through a heater wellbore positioned in a hydrocarbon containing formation. The in situ treatment process may include providing heat from one or more heaters to at least a portion of the formation. Th...
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WO/2003/036032A2 |
A process for utilizing the heat from fluids produced from a hydrocarbon containing formation, which has been treated in situ. The in situ treatment process may include providing heat from one or more heaters to at least a portion of the...
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WO/2003/036031A2 |
A method for controlling an in situ system of treating a hydrocarbon containing formation may include monitoring an acoustic event within the formation. More than one acoustic event may be monitored. An acoustic detector placed within a ...
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WO/2003/036024A2 |
In an embodiment, a method for heating a hydrocarbon containing formation may include providing heat from one or more heaters to an opening in the formation. A first end of the opening may contact the earth's surface at a first location ...
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WO/2003/036043A2 |
A method for forming openings in a hydrocarbon containing formation is described. A plurality of magnets is provided along a portion of a first opening. A second opening in the formation is formed using magnetic tracking of the series of...
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WO/2003/036037A2 |
A system includes a heater placed in an opening in a formation to heat hydrocarbons contained in that formation. The system allows heat to transfer from the heater to a part of the formation. The transferred heat may pyrolyze at least so...
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WO/2003/036033A1 |
Systems and methods of using a computer system to simulate a process for in situ treatment of a hydrocarbon containing formation are provided. The in situ process may include providing heat from one or more heat sources to at least one p...
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WO/2003/036039A1 |
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 reaction...
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WO/2003/035801A2 |
A method for treating a hydrocarbon containing formation is provided. In one embodiment, heat from one or more heaters may be provided to at least a portion of the formation. Heat may be allowed to transfer from the one or more heaters t...
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WO/2003/036030A2 |
A method for hydrotreating a fluid in a heated formation in situ is described. The in situ treatment 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 ...
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WO/2003/036035A2 |
A method for treating a coal formation to alter properties of coal in the formation is provided. In one embodiment, heat from one or more heaters may be provided to at least a portion of the formation. Heat may be allowed to transfer fro...
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WO/2003/036041A2 |
A method is described for inhibiting migration of fluids into and/or out of a treatment area undergoing an in situ conversion process. Barriers in the formation proximate a treatment area may be used to inhibit migration of fluids. Inhib...
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WO/2003/036036A1 |
A method for treating lean and rich zones of a hydrocarbon containing formation is provided. In one embodiment, heat from one or more heaters may be provided to at least a portion of the formation. Heat may be allowed to transfer from th...
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WO/2003/033444A1 |
A process for converting natural gas to a liquid hydrocarbon wherein the natural gas feed stream is admixed with a hot gas stream, the hot gas stream being at a temperature sufficient to effect a chemical reaction forming an intermediate...
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WO/2003/027209A1 |
Method for preventing fouling and corrosion caused by ammonium chloride and ammonium sulphates, characterised in that it comprises injecting as an additive a choline or a derivative thereof.
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WO/2003/016210A1 |
An novel apparatus as a suitable embodiment, wherein a reactor (102) has a nozzle (a means for supplying a raw material, an oxidizing agent and water)(103), a high temperature and high pressure gas formed by reacting the raw material wit...
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WO/2003/016415A1 |
The invention relates to the method for processing hydrocarbon stock including heavy petrol residues which contain fractions boiling at a temperature equal or higher than 350 °C. The inventive method consists in generating a high temper...
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