| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 7276634 |
Reduction of the viscosity of reactive heavy byproducts during the production of 1,3-propanediol |
October 2, 2007 |
| The present invention is an improvement upon the process for the production of 1,3-propanediol wherein an aqueous solution of 3-hydroxy propanal is formed, catalyst, if any, used in said formation is removed from the solution, sodium hydroxide is added to the solution to neutralize a |
| 7275601 |
Radial expansion of tubular members |
October 2, 2007 |
| An apparatus and method for coupling a tubular member to a preexisting structure. The tubular member is anchored to the preexisting structure and an expansion member is pulled through the tubular member to radially expand the tubular member. |
| 7273959 |
Catalytic trimerization of olefinic monomers |
September 25, 2007 |
| A catalyst composition suitable for the trimerization of olefinic monomers, wherein the catalyst composition comprises: a) a source of chromium, molybdenum or tungsten; b) a ligand of general formula (I); (R.sup.1)(R.sup.2)P--X--P(R.sup.3)(R.sup.4) (I) wherein: X is a bivalent org |
| 7273106 |
Surface flow controlled valve and screen |
September 25, 2007 |
| An adjustable well screen assembly having a pipe which is connectable to a production pipe, wherein the pipe comprises a hole extending from the ID of the pipe to the OD of the pipe; a screen connected to the pipe adjacent the hole of the pipe; a valve connected to the pipe, wherein the |
| 7273096 |
Gel release device |
September 25, 2007 |
| The invention relates to a device for holding and releasing an object, such device having a body with a cavity in which the object is accommodatable, an elastic retaining member for retaining the object in the cavity, and, a pushing member for pushing the object out of the body past |
| 7270188 |
Radial expansion of tubular members |
September 18, 2007 |
| An apparatus and method for coupling a tubular member to a preexisting structure. The tubular member is anchored to the preexisting structure and an expansion member is pulled through the tubular member to radially expand the tubular member. |
| 7268180 |
Surface tinting composition and method of use |
September 11, 2007 |
| A tinting composition for tinting a surface which includes a solvent and a pigment selected from the group consisting of iron oxide, titanium dioxide, mica, calcium sodium borosilicate, organic constituent containing pigments, inorganic constituent containing pigments, fluorescent co |
| 7266975 |
Process of Liquefying a gaseous, methane-rich feed to obtain liquefied natural gas |
September 11, 2007 |
| A process of liquefying a gaseous, methane-rich feed to a liquefied product is provided that includes adjusting the composition and the amount of refrigerant and controlling the liquefaction process using an advanced process controller based on model predictive control to determine s |
| 7265242 |
Process for the carbonylation of ethylenically or acetylenically unsaturated compounds |
September 4, 2007 |
| A process for the carbonylation of unsaturated compounds by contacting the unsaturated compound with carbon monoxide in the presence of a catalyst system comprising: (a) a source of palladium and/or platinum; and (b) an unsymmetrical bidentate diphosphine ligand of formula I, R.sup |
| 7265239 |
Process for the conversion of furfuryl alcohol into levulinic acid or alkyl levulinate |
September 4, 2007 |
| A process for the conversion of furfuryl alcohol into levulinic acid or alkyl levulinate comprising contacting furfuryl alcohol and water or an alkyl alcohol with a porous heterogeneous catalyst comprising strong acid ion-exchange resin, wherein the catalyst has pores with an average por |
| 7262153 |
Method and composition for enhanced hydrocarbons recovery |
August 28, 2007 |
| A method of treating a hydrocarbon containing formation is described. The method may include providing a hydrocarbon recovery composition to the hydrocarbon containing formation. Hydrocarbons in the hydrocarbon containing formation may interact with the hydrocarbon recovery compositi |
| 7261808 |
Upgrading of pre-processed used oils |
August 28, 2007 |
| A process to further upgrade a pre-processed used lubricating oil by: (a) contacting the partially upgraded used oil in the presence of hydrogen with a hydrodemetallization catalyst; (b) contacting the effluent of step (a) in the presence of hydrogen with a hydrotreating catalyst; (c) |
| 7261806 |
Process to prepare a base oil from slack-wax |
August 28, 2007 |
| A process to prepare a base oil starting from a slack wax containing feedstock by (a) contacting the feedstock in the presence of hydrogen with a sulphided hydrodesulphurisation catalyst having nickel and tungsten on an acid amorphous silica-alumina carrier and (b) performing a pour |
