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Shell Oil Company Patents
Assignee:
Shell Oil Company
Address:
Houston, TX
No. of patents:
6356
Patents:


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Patent Number Title Of Patent Date Issued
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
7317308 System and method for measuring electric current in a pipeline January 8, 2008
A system for measuring a voltage differential in a current-carrying pipe using a propulsion vehicle for conveying the system inside the pipe. The system includes a first contact for maintaining electrical contact with the pipe as the vehicle moves through the pipe, a second contact p
7316525 Vortex induced vibration optimizing system January 8, 2008
There is disclosed a system comprising a structure, a vortex induced vibration monitoring system, adapted to monitor a vortex induced vibration level of the structure, a tensioner connected to the structure, and a controller adapted to calculate a tension on the structure to optimize
7316196 Method and apparatus for handling mooring lines January 8, 2008
Apparatus and methods of monitoring mooring lines of an offshore drilling rig, with the apparatus including a communication system in communication with a global positioning system, providing position coordinates of the apparatus at a first point on the line, and also includes an inertia
7315666 Coiled optical fiber assembly for measuring pressure and/or other physical data January 1, 2008
A method and system are disclosed for measuring pressure and other physical data, such as the temperature, elongation, torsion and bending at any point along the length of an elongate carrier tube by means of one or more coiled optical fibers that are embedded in the wall the tube such
7314100 System for use in a bore hole for axially coupling a tubular end and a mandrel January 1, 2008
System for coupling two tubular ends for use in a well bore, the system comprising a first tubular end, a second tubular end for inserting into the first tubular end in axial alignment thereof, thereby forming an annular space between the first tubular end and the second tubular end,
7314088 System for retrieving a tubular element from a well January 1, 2008
A system is disclosed for retrieving a tubular element extending into a subsea well provided with a wellhead, the tubular element being provided with a hanger suspending the tubular element at the wellhead, the hanger having a larger outer diameter than the tubular element. The system
7312365 Process for low temperature cleavage of an oxidation mixture comprising hydroperoxides December 25, 2007
A process for cleaving an oxidation product comprising s-butyl benzene hydroperoxide and/or cumene hydroperoxide which reduces the production of non-recoverable by-products from dimethylbenzyl alcohol (DMBA) and ethyl methyl benzyl carbinol (EMBA).
7309417 Treating of a crude containing natural gas December 18, 2007
A process for treating a crude containing natural gas comprising supplying the crude to a stabilization unit to obtain a gaseous stream and crude oil; supplying a compressed, gaseous stream at a low temperature to the bottom of a first column; partly condensing the first gaseous overhead
7308755 Apparatus for forming a mono-diameter wellbore casing December 18, 2007
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
7304159 Ligands and catalyst systems thereof for ethylene oligomerisation to linear alpha olefins December 4, 2007
Mixed bis-imine pyridine ligands of formula (I), wherein Z.sub.1, which is different from Z.sub.2, is an optionally substituted aryl group; and Z.sub.2 comprises an optionally substituted heterohydrocarbyl moiety, or an optionally substituted aryl group in combination with a metal, said
7301038 Process for preparing alkylene oxide (epoxid, oxirane) November 27, 2007
A process for the preparation of alkylene oxide, which process involves passing a feed containing an organic hydroperoxide and alkene through a bank of at least two serially connected reactors containing epoxidation catalyst and withdrawing a product stream having alkylene oxide and an
7300993 Process for the preparation of polyether polyols November 27, 2007
The invention relates to a process for the preparation of polyether polyols, which process involves: (a) contacting a phosphorus containing compound having at least one hydroxyl group with alkylene oxide to obtain alkoxylated initiator, (b) contacting the alkoxylated initiator with
7300565 Process to prepare a microcrystalline wax and a middle distillate fuel November 27, 2007
The invention relates to a process to prepare a microcrystalline wax and a middle distillate fuel by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein the weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon ato
7299881 Radial expansion of tubular members November 27, 2007
An apparatus and method for coupling a tubular member to a preexisting structure.
7297655 Catalyst and its use in desulphurisation November 20, 2007
A catalyst is provided comprising nickel in a reduced valence state on a carrier comprising zinc oxide and alumina, wherein the Zn:Ni atomic ratio is at least 12, and the catalyst particles are prepared by a) mixing zinc oxide in the form of a powder and alumina or an alumina precursor i
7297402 Shaped particle having an asymmetrical cross sectional geometry November 20, 2007
A shaped particle suitable for use as a catalyst support or, alternatively, a dehydrogenation catalyst system in the form of a shaped particle, wherein said shaped particle has a geometry including a length and a cross sectional geometry at at least one point along said length, where
7296639 Wellstring assembly November 20, 2007
A wellstring assembly comprising a tubular first wellstring part with a passageway; a second wellstring part co-operating with the first wellstring part; and a releasable wellstring-interconnecting means for selectively interconnecting the first and second wellstring parts; an auxili
7294727 Catalyst preparation November 13, 2007
The invention relates to a process for the preparation of an epoxidation catalyst which process involves (a) drying a silica gel carrier having a weight average particle size of from 0.1 mm to 2 mm at a temperature of from more than 200.degree. C. to 300.degree. C., and (b) contacting th
7294726 Process for preparing alkylene oxide November 13, 2007
Process for the preparation of alkylene oxide which process comprises contacting organic hydroperoxide and alkene with a heterogeneous epoxidation catalyst and withdrawing a product stream comprising alkylene oxide and an alcohol as reaction products, in which process fresh catalyst
7291320 Process for the selective oxidation of hydrogen sulfhide November 6, 2007
A process for the selective oxidation of hydrogen sulphide in a hydrogen sulphide containing feed gas to elemental sulphur, wherein the hydrogen sulphide containing feed gas (3), an inert liquid medium (5), and a molecular-oxygen containing gas (4) are supplied to a reaction zone (1)
7288688 Process for preparing styrene October 30, 2007
A process for preparing styrene by contacting a gaseous feed which contains 1-phenylethanol and at least 0.1% wt of phenol and/or ethylphenol with a heterogeneous dehydration catalyst in the presence of at least 0.40% wt of benzylalcohol and at a molar ratio of benzylalcohol to total
7287609 Drilling a borehole October 30, 2007
A method of drilling a borehole into a subsurface earth formation, using a tubular drill string which includes at its lower end a bottom hole assembly comprising a drill bit, a drill steering system, and a surveying system. The drill string includes a selectively closable passageway for
7285693 Process to prepare a catalytically dewaxed gas oil or gas oil blending component October 23, 2007
A process to prepare a catalytically dewaxed gas oil or gas oil blending component by performing the following steps:(a) hydrocracking/hydroisomerizing a Fischer-Tropsch product;(b) separating the product of step (a) into at least one or more fuel fractions and a gas oil precursor fr
7285206 Process to prepare a lubricating base oil and a gas oil October 23, 2007
A process to prepare a lubricating base oil 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 product is at least
7284614 Wellbore system for simultaneous drilling and production October 23, 2007
A wellbore system for simultaneously drilling a wellbore into an earth formation and producing hydrocarbon fluid from the wellbore, is provided. The system comprises a production tubing extending into the wellbore and having a hydrocarbon fluid inlet arranged in a first part of the wellb
7284601 Casing conveyed well perforating apparatus and method October 23, 2007
Disclosed is a device and method for externally perforating a well-bore casing. The perforating apparatus is attached to the outside of the casing itself and is conveyed along with the casing when it is inserted into the well bore. The perforation is accomplished using two groups of
7284598 Support for a tube bundle October 23, 2007
A support for a bundle of parallel tubes, comprising at least two spaced apart transverse support plates, wherein each plate is provided with a plurality of openings of substantially rhombical or substantially frustro-rhombical shape, each of which openings having a maximum of two mi
7284489 Casing conveyed well perforating apparatus and method October 23, 2007
Disclosed is a device and method for externally perforating a well-bore casing. The perforating apparatus is attached to the outside of the casing itself and is conveyed along with the casing when it is inserted into the well bore. The perforation is accomplished using two groups of
7282663 Forge welding process October 16, 2007
An automated method for forge welding tubulars including heating the tubular ends to be joined in a welding chamber while the heated tubular ends are maintained aligned and parallel relative to each other and at a small spacing, whereupon the heated tubular ends are pressed together
7282619 Method of operating a dehydrogenation reactor system October 16, 2007
Described is a method for operating and shutting down a dehydrogenation reactor that contains a volume of dehydrogenation catalyst. After termination of the introduction of a dehydrogenation feed into the dehydrogenation reactor that is operated under dehydrogenation reaction conditi
7282613 Process for producing phenol and methyl ethyl ketone October 16, 2007
A process for producing phenol and methyl ethyl ketone (MEK).
7282474 Process for the preparation of detergents October 16, 2007
A process for the preparation of detergents involving separating the hydrocarbonaceous product stream from a Fischer-Tropsch process producing normally liquid and normally solid hydrocarbons into a light fraction and one or more heavy fractions, hydrogenating at least part of the light
7282467 Catalysts support, a supported group VIII metal catalyst and precursor thereof, processes for th October 16, 2007
A process for preparing a catalyst support or a supported Group VIII metal catalyst or a precusor of the supported Group VIII metal catalyst, which process comprises (a) exerting mechanical power on a mixture comprising a refractory oxide and a first liquid to obtain a dough, (b) admixin
7281592 Injecting a fluid into a borehole ahead of the bit October 16, 2007
A method and system for introducing a fluid into a borehole, in which there is arranged a tubular drill string including a drill bit, wherein the drill bit is provided with a passageway between the interior of the drill string and the borehole, and with a removable closure element for
7279610 Method for the preparation of lower olefines by steam cracking October 9, 2007
A method for the preparation of lower olefins by steam cracking, wherein the feed containing heavy hydrocarbons obtained by Fischer-Tropsch synthesis is subjected to steam cracking in a naphtha designed steam cracking furnace for steam cracking the Fischer-Tropsch hydrocarbons into t
7278481 Method and system for producing an oil and gas mixture through a well October 9, 2007
A method and system are provided for controlling the production of oil and gas in a well such that the well operates at the edge of gas coning. Thereto the flow rate and/or pressure of the produced well effluents are controlled by a dynamically controlled choke such that continously a
7278211 Bore hole tool assembly and method of designing same October 9, 2007
A bore hole tool assembly utilizes a multi-stage bearing system deployed between an inner mandrel and an outer tool housing wherein each bearing stage includes bearing element deployed between two deformable elements. The deformable elements are selected, based on the design and material
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