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Shell Oil Company Patents
Assignee:
Shell Oil Company
Address:
Houston, TX
No. of patents:
5893
Patents:


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Patent Number Title Of Patent Date Issued
6729397 In situ thermal processing of a hydrocarbon containing formation with a selected vitrinite refle May 4, 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
6729396 In situ thermal processing of a coal formation to produce hydrocarbons having a selected carbon May 4, 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. An
6729395 In situ thermal processing of a hydrocarbon containing formation with a selected ratio of heat s May 4, 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
6727399 Process for separating linear alpha olefins from saturated hydrocarbons April 27, 2004
A process for separating linear alpha olefins from a feedstock containing linear alpha olefins, saturated hydrocarbons, internal olefins, branched olefins, and alcohols, in particular, from a Fisher-Tropsch stream is provided.
6726831 Corrosion protection of electrically heated pipe-in-pipe subsea pipeline April 27, 2004
Apparatus and method for providing corrosion protection of subsea pipe-in-pipe electrically heated pipeline are provided. The exterior surface of the outer pipe is coated with a thick protective coating in and near the splash zone and near the bulkhead of the heated line. A discharge
6725928 In situ thermal processing of a coal formation using a distributed combustor April 27, 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. He
6725921 In situ thermal processing of a coal formation by controlling a pressure of the formation April 27, 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
6725920 In situ thermal processing of a hydrocarbon containing formation to convert a selected amount of April 27, 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
6725919 Forming a wellbore casing while simultaneously drilling a wellbore April 27, 2004
A wellbore casing is formed simultaneously with the drilling out of the wellbore.
6725688 Controlling the production of a liquefied natural gas product stream April 27, 2004
Controlling the production of a liquefied natural gas consist of 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
6725174 Edge-preserving enhancement of seismic images by nonlinear anisotropic diffusion April 20, 2004
A method for preserving edges in an image data set utilizing a modified anisotropic diffusion technique which can be applied multiple times to the image data to improve edge definition. The modified anisotropic diffusion technique may be applied to a filtered data set as well.
6723404 Inhibition of ethylene oxide autopolymerization April 20, 2004
A method for reducing the formation of non-volatile residue (NVR) in alkylene oxide, preferably ethylene oxide, comprising contacting the alkylene oxide with fresh electron source material effective to convert ferric ions to ferrous ions. Iron (Fe.sup.0), chromium, and a combination
6723231 Propene recovery April 20, 2004
Process to separate propene from gaseous fluid catalytic cracking products by performing the following steps: a) separating a feed mixture comprising the gaseous products, propene and other saturated and unsaturated hydrocarbons obtained in a fluid catalytic cracking process into a h
6723227 Fluidized catalytic cracking process April 20, 2004
Fluidized catalytic cracking process which process comprises: (a) separating the hydrocarbon product from the spent catalyst by means of one or more gas-solid separation steps; (b) stripping the spent catalyst in a dense phase fluidized stripping zone by introducing a stripping medium in
6723141 Additive concentration April 20, 2004
The invention provides an additive concentrate which comprises an oil soluble hydrocarbyl poly(oxyalkylene) aminocarbamate having a number average molecular weight (M.sub.n) in the range 600 to 10,000 having at least one basic nitrogen atom wherein said hydrocarbyl group contains 1-30
6722431 In situ thermal processing of hydrocarbons within a relatively permeable formation April 20, 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 a first portion of the formation to mobilize hydrocarbons within the formation. Heat may be
6722430 In situ thermal processing of a coal formation with a selected oxygen content and/or selected O/ April 20, 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
6722429 In situ thermal processing of a hydrocarbon containing formation leaving one or more selected un April 20, 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
6720461 Removal of salts in the manufacture of phenolic compound April 13, 2004
There is provided a process for the manufacture of phenolic compounds by separating a neutralized aralkyl hydroperoxide cleavage mass stream containing salts of neutralization into a crude ketone stream and a crude phenolic stream containing the salts of neutralization; separating the
6719496 ROV installed suction piles April 13, 2004
A method is disclosed for deploying a suction pile anchor in which flood valves are opened on the top of a suction pile and the suction pile anchor is off loaded from the anchor boat and lowered it to the sea floor. The suction pile anchor is set down and the rate of feed is adjusted to
6719047 In situ thermal processing of a hydrocarbon containing formation in a hydrogen-rich environment April 13, 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
6717001 Process for operating the epoxidation of ethylene April 6, 2004
A process for the vapor phase oxidation of ethylene to ethylene oxide, which process involves reacting a reaction mixture having ethylene and oxygen in the presence of a supported highly selective silver-based catalyst by: operating at an initial operation phase wherein fresh catalys
6716788 Preparation of a double metal cyanide catalyst April 6, 2004
The present invention relates to a process for the preparation of a double metal cyanide (DMC) catalyst, which process involves: (a) combining an aqueous solution of a metal salt with an aqueous solution of a metal cyanide salt and reacting these solutions; and (b) recovering the DMC c
6715550 Controllable gas-lift well and valve April 6, 2004
A gas-lift well having a controllable gas-lift valve is provided. The well uses the tubing and casing to communicate with and power the controllable valve from the surface. Induction chokes at the surface and downhole electrically isolate the tubing from the casing. A high band-width,
6715549 In situ thermal processing of a hydrocarbon containing formation with a selected atomic oxygen t April 6, 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
6715548 In situ thermal processing of a hydrocarbon containing formation to produce nitrogen containing April 6, 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
6715547 In situ thermal processing of a hydrocarbon containing formation to form a substantially uniform April 6, 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 to raise a temperature of a portion of the formation to a pyrolysis temperatur
6715546 In situ production of synthesis gas from a hydrocarbon containing formation through a heat sourc April 6, 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 to raise a temperature of a portion of the formation to a synthesis gas produc
6714018 Method of commissioning and operating an electrically heated pipe-in-pipe subsea pipeline March 30, 2004
Methods for determining electrical and thermal properties of a heated pipeline are provided. During commissioning or at any time thereafter, a base curve of impedance versus temperature of the pipeline is determined, so that impedance measurements can thereafter be used to measure te
6712882 Process for the purification of industrial waste water from a propylene oxide production process March 30, 2004
A process for treating waste water from an industrial process for producing propylene oxide, which process involves the steps of: (a) subjecting the waste water to a multi-effect evaporation treatment resulting in a vaporous top fraction and a liquid bottom fraction containing the no
6712137 In situ thermal processing of a coal formation to pyrolyze a selected percentage of hydrocarbon March 30, 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. He
6712136 In situ thermal processing of a hydrocarbon containing formation using a selected production wel March 30, 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
6712135 In situ thermal processing of a coal formation in reducing environment March 30, 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
6710006 Non-symmetrical ligands and catalyst systems thereof for ethylene oligomerization to linear alph March 23, 2004
Non-symmetrical ligands of formula (I); ##STR1##bis-aryliminepyridine MX.sub.n complexes comprising a non-symmetrical ligand of formula (I), wherein M is a metal selected from Fe or Co, n is 2 or 3, and X is halide, optionally substituted hydrocarbyl, alkoxide, amide, or hydride; [bi
6709570 Method for preparing a catalyst March 23, 2004
A method for preparing a catalyst comprising a zeolite and a low acidity refractory oxide binder which is essentially free of alumina which method comprises: (a) preparing an extrudable mass comprising a substantially homogenous mixture of zeolite, water, a source of the low acidity r
6708758 In situ thermal processing of a coal formation leaving one or more selected unprocessed areas March 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. An
6707296 Method for detecting cracks in electrically conducting material March 16, 2004
Method of detecting cracks in an object of an electrically conducting material that is covered by a non-conductive layer using a probe comprising a transmitter coil for inducing eddy currents in the object and a receiver coil comprising selecting a set of points of the object which a
6707012 Power supply for electrically heated subsea pipeline March 16, 2004
A power supply system for electrically heated pipelines is provided. A variable frequency drive supplies power to the pipeline from an external source of electrical power. An isolation transformer and a contactor or isolating switch may be used between the variable frequency drive and th
6706931 Branched primary alcohol compositions and derivatives thereof March 16, 2004
A detergent composition having cold water solubility and exhibiting high calcium tolerance can be produced from biodegradable branched ether derivative compositions derived from a branched ether primary alcohol represented by the formula: ##STR1##wherein R.sub.1 represents hydrogen o
6706912 Process for the carbonylation of ethylenically unsaturated compounds March 16, 2004
Process for the carbonylation of ethylenically unsaturated compounds having 3 or more carbon atoms by reaction with carbon monoxide and an hydroxyl group containing compound in the presence of a catalyst system. The catalyst system includes (a) a source of palladium cations; (b) a
6706656 One step process for preparing a 1,3-diol March 16, 2004
The invention provides a process for an improved oxirane hydroformylation catalyst, the improved oxirane hydroformylation catalyst, and a one step process for preparing a 1,3-diol in the presence of such a catalyst. One process for preparing the hydroformylation catalyst involves: a)
6705395 Wellbore casing March 16, 2004
An apparatus and method for forming a wellbore casing. An annular piston is displaced in the axial direction by pressurizing an annular piston chamber. The axial displacement of the piston radially expands a tubular member into contact with a preexisting tubular member. The radially
6705358 System and method for diluting a super-concentrated detergent in situ at customer locations March 16, 2004
A solution to the problem of reducing the bulk and weight of detergents for delivery to users by providing in at least one embodiment an in situ, discrete, batch mixing method and system for a diluent and concentrated detergent at a point of dispense. While some systems are designed to m
6705085 Downhole electric power generator March 16, 2004
A power generator for use in a wellbore formed in an earth formation, comprising an internal combustion engine having a cylinder and a piston defining a combustion chamber in the cylinder, the engine being arranged to induce a reciprocating movement to the piston relative to the cylinder
6702960 Catalytic partial oxidation with a rhodium-iridium alloy catalyst March 9, 2004
The present invention relates to a process for the catalytic partial oxidation of a hydrocarbonaceous feedstock, which process consists of contacting a feed consisting of the hydrocarbonaceous feedstock and an oxygen-containing gas with a catalyst having metals of Group VIII of the P
6702940 Device for transporting particles of magnetic material March 9, 2004
A device for transporting particles of a magnetic material in a selected direction, having a support member having a support surface for supporting the particles, the support surface extending in a selected direction, a magnet arranged to generate a magnetic field retaining the magnetic
6702864 Process for making high stretch and elastic knitted fabrics from polytrimethylene terephthalate March 9, 2004
This invention relates to a process of making high stretch elastic knitted fabrics from (PTT) which comprises: (a) making a drawn textured yarn with an elongation to break of 30 to 60 percent by: (i) spinning a polytrimethylene terephthalate polymer into a partially oriented yarn,
6702041 Combined logging and drilling system March 9, 2004
A system is provided for drilling and logging of a wellbore formed in an earth formation. The system comprises a drill string provided with an external recess extending in longitudinal direction of the drill string, a fluid passage for flow of drilling fluid from an upper end of the dril
6702026 Methods and systems for reducing drag and vortex-induced vibrations on cylindrical structures March 9, 2004
Apparatus for controlling drag and vortex-induced vibration exerted onto a substantially cylindrical element of a fixed position subjected to a fluid flowing environment. Apparatus of the invention comprise a sleeve comprising an ultra-smooth surface. Methods for installing such apparatu
6702016 In situ thermal processing of a hydrocarbon containing formation with heat sources located at an March 9, 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
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