Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7386996 | Natural gas liquefaction process The invention relates to a natural gas liquefaction process and particularly to one suited to use offshore. The invention provides a natural gas liquefaction apparatus wherein a carbon dioxide based pre-cooling circuit is provided in a cascade arrangement with a mai... | 06/17/2008 |
| 6967182 | Catalysts consisting of metals on hydrotalcite-based carrier materials, and method for the preparation thereof The present invention relates to a catalyst comprising at least one metal loaded on a hydrotalcite-based carrier material which has the following formula in its uncalcined form: M2+aM3+b(An−)(OH)2a+3 | 11/22/2005 |
| 6899859 | Method for preparing a H2-rich gas and a CO2-rich gas at high pressure The present invention concerns a method for preparing a CO2-rich gas stream for injection purposes or deposition, and a hydrogen rich gas stream, the method comprising the following steps: a) natural gas and H2O are fed into a one-step reformin... | 05/31/2005 |
| 6875358 | Water cleaning process Method and system for extraction of fat or oil-soluble components, e.g. PAH, NDP and/or BTX, from produced water being separated from an oil or gas plant. The method is characterized by injection of a liquid consisting of hydrocarbons from the oil or gas plant into ... | 04/05/2005 |
| 6838071 | Process for preparing a H2-rich gas and a CO2-rich gas at high pressure The present invention comprises a method for production of a CO2-rich gas stream and a H2-rich gas stream, the method comprising the following steps: a) natural gas and water are fed to a reforming reactor and are converted to synthesis gas und... | 01/04/2005 |
| 6813564 | Method for monitoring seafloor subsidence and for gravity monitoring an underground hydrocarbon reservoir The invention is a method for monitoring subsidence of the sea-bed (14) of a survey area (8) caused by compaction of an underground hydrocarbon reservoir (1), and comprises the following steps: Conducting at least two series (S1, . . ... | 11/02/2004 |
| 6735526 | Method of combining directional seismic attributes using a supervised learning approach A method of combining directional seismic attributes using a supervised learning approach which may include extracting seismic information from acquired data in a direction along the spatial direction of a body of interest. The method is applicable both to onshore a... | 05/11/2004 |
| 6714153 | Device for electromagnetic detection of geological properties in a well The invention is a well radar for detecting, by electromagnetic wave reflection, resistivity horizons in production zones in oil wells. Transmitter and receiver antennas are combined in a tubing string antenna module. Two dipole transmitter antenna are positioned in... | 03/30/2004 |
| 6700835 | System for subsea diverless metrology and hard-pipe connection of pipelines Device for subsea metrology of distance and relative orientation of a first termination (10) with a local reference system (xr, yr, zr) and which by means of a jumper spool piece (5) is going to be connected to a separate ... | 03/02/2004 |
| 6631763 | Method and system for testing a borehole by the use of a movable plug A method and a system for testing a borehole in an underground formation by the use of so-called closed chamber testing. When carrying out the method, a test or production pipe (5) is carried down the borehole, where the test pipe can be closed at its upp... | 10/14/2003 |
| 6626240 | Device for annular well isolation Device for annular isolation in oil/gas wells comprising a production tube, the production tube comprises coaxially positioned, cylindrical sleeve (5) having in one end an at least partially radially directed opening slot (2), said sleeve including a cyli... | 09/30/2003 |
| 6628119 | Method and apparatus for determining the content of subterranean reservoirs A system for determining the nature of a subterranean reservoir 12 whose position and geometry is known from previous seismic surveys. An electromagnetic field 24, 25, 26, 27 is applied by a transmitter 18 on the seabed 14 and detected by antennea 21, 22,... | 09/30/2003 |
| 6607043 | Down hole motors and methods for their operation A down hole motor assembly includes a hydraulic drive portion, a drill bit operatively connected to the drive portion and a disengage mechanism (11) arranged to disengage drive to the drill bit. The disengage mechanism (11) is arranged to be actuated by s... | 08/19/2003 |
| 6573008 | Battery system The present invention relates to a cell for the production of electric energy by reaction between hydrogen peroxide or oxygen, and aluminium or lithium or a mixture thereof, and hydroxyl ions in water, where the cathodes are cylindrical and based on radia... | 06/03/2003 |
| 6556014 | Device and method for measurement by guided waves on a metal string in a well A device for detecting changes of resistivity or dielectrical properties due to changes of fluid composition in the near-well area about a well in a geological formation, comprising an electrically conductive tubing string, an electrical energy source, a ... | 04/29/2003 |
| 6546962 | Introduction of air into injection water Air is introduced into the injection water for microbial enhanced oil recovery. The injection water is passed through an ejector where it is entrained and the oxygen subsequently dissolves in the water.... | 04/15/2003 |
| 6544420 | Tube apparatus for outlet of liquid from a container A tube apparatus for outlet of liquid from a container, adapted to receive at least two different fluids with intermediate interface(s), where liquid outlet openings are located above and/or underneath the interface(s). At least one tube member is adapted... | 04/08/2003 |
| 6525540 | Method and device for detection of em waves in a well A method for detecting electrical properties in a geological formation in a well which has within it a tubing string comprising the steps of mounting a transmitter antenna outside of the tubing string in a fixed position with respect to the geological for... | 02/25/2003 |
| 6497811 | Reduction of sulphur content in FCC-naphtha The present invention comprises a composition for reducing the sulphur content in a hydrocarbon composition, wherein the composition comprises a hydrotalcite material, which has been impregnated with a Lewis acid, and optionally a FCC-catalyst. The hydrot... | 12/24/2002 |
| 6480000 | Device and method for measurement of resistivity outside of a wellpipe The invention is a device for measuring and surveillance of resistivity in a petroleum reservoir in a geological formation with an injection-, observation- or production well comprising an electrically conductive metallic well tubing, with the new and inv... | 11/12/2002 |
| 6434948 | LNG load transfer system This invention concerns a unitary system for export of liquid natural gas (LNG) from a floating production vessel (FPSO vessel) (1), with the new and inventive consists of the combination of the following points: an LNG buffer tank in the FPSO vessel, wit... | 08/20/2002 |
| 6390478 | Sealing arrangement for a swivel A sealing arrangement for a swivel (1) comprising inner and outer mutually rotatable swivel members (2, 3), wherein the swivel members have respective inner fluid paths communicating with each other through one or more associated annular spaces (7) at the... | 05/21/2002 |
| 6314900 | High-velocity rudder A rudder, especially for water vessels, which in its one end is connected with the vessel's hull (1) and comprising a main rudder blade (3) and rudder flaps (5, 6) arranged to be turnable with respect to the main rudder blade (3). The new traits of the in... | 11/13/2001 |
| 6253574 | Method for liquefying a stream rich in hydrocarbons The invention relates to a method for liquefying a stream rich in hydrocarbons, especially a stream of natural gas, by the indirect exchange of heat with the refrigerants in a closed-circuit cascade of mixed refrigerants. According to the invention, said ... | 07/03/2001 |
| 6240160 | System for inspection of pipelines A system for inspecting pipelines, especially in the coupling between pipe parts, comprises a radiation source and a detector device or a photographic film. The pipeline includes indicators which are laid into the pipeline material and have a differing ab... | 05/29/2001 |
| 6227138 | System for anchoring ships System for mooring ships, in particular for operations in connection with oil and gas activity, whereby a ship is equipped with a mooring device at its bow portion. There is included an anchor device located at the seabed, as well as at least one anchorin... | 05/08/2001 |
| 6211255 | Fischer-tropsch synthesis The present invention provides a reaction system for a Fischer-Tropsch synthesis which has high mass transfer characteristics at the catalyst. The reactor comprises a monolithic catalyst comprising a solid body defining discrete and continuous channels ex... | 04/03/2001 |
| 6209650 | Subsea well Subsea well arrangement for offshore production of oil or gas, comprising a wellhead, a christmas tree mounted on the wellhead and at least one riser for connection with a production vessel at the sea surface. At the top of the christmas tree there is pro... | 04/03/2001 |
| 6182763 | Subsea module Subsea unit for offshore production of oil or gas, comprising one or more wellheads with associated christmas trees provided on or at a bottom frame (template). On or at the template there is mounted a swivel device, having fluid connection to the christm... | 02/06/2001 |
| 6180684 | Process and an integrated plant for the production of synfuel and electrical power The present invention relates to a process and an integrated plant to be used in the process for the preparation of synthetic fuel (synfuel) and production of electrical energy. A part of the energy produced is used for the operation of the energy requiri... | 01/30/2001 |
| 6162105 | Two-part ship for use in oil transport in arctic waters A two-part vessel for use in oil transport in waters where ice may occur, comprising a first part constituting a barge part having a bow portion and a stern portion and containing a number of loading tanks, the bow portion having a submerged receiving spa... | 12/19/2000 |
| 6155193 | Vessel for use in the production and/or storage of hydrocarbons A vessel for use in the production and/or storage of hydrocarbons, including a receiving device having a downwardly open space for receiving and releasably securing a submerged buoy connected to at least one riser, a rotatable connector for connection wit... | 12/05/2000 |
| 6109197 | System for loading ships at sea This invention relates to a system for loading or unloading a ship at sea, in particular for operations in connection with oil and gas activity, whereby the ship concerned is equipped with a mooring device at its bow. There is included an anchor device lo... | 08/29/2000 |
| 6094937 | Process, plant and overall system for handling and treating a hydrocarbon gas from a petroleum deposit A method of liquefaction/conditioning of a compressed gas/condensate flow extracted from a petroleum deposit, for transport in liquefied form with a transport vessel, especially for such processing of a compressed gas/condensate flow which has been separa... | 08/01/2000 |
| 6085680 | Device for increasing the steering effect of a rudder An apparatus for enhancing the steering effect of ship rudders comprising a rudder with at least one passageway for supplying seawater to ducts in the rudder, and a profile element extending substantially vertically at a leading edge of the rudder and bei... | 07/11/2000 |
| 6053787 | Multi-course swivel A rotating coupling device or connector for interconnection between a number of risers (12) suspended from a submerged buoy and a pipe system on a floating vessel for the production of hydrocarbons, comprising a swivel unit consisting of a pair of concent... | 04/25/2000 |
| 6050747 | Rotating connector for operative connection between a buoy and a floating vessel for the production of hydrocarbons A rotating connector or coupling device for interconnection between at least one fluid passage (9) through a submerged buoy (1, 2) and a pipe system on a floating vessel for the production of hydrocarbons, comprising a pair of cooperating, fluid-transferr... | 04/18/2000 |
| 5984026 | Pressure converter A pressure converter for mounting above the drill bit on a drill pipe for generating a higher fluid pressure in a portion of a drilling fluid flow, comprises a piston moveable in a cylinder. The piston has a large piston area and an opposite small piston ... | 11/16/1999 |
| 5983931 | Rotating connector with integrated LNG course A rotating connector comprising a swivel device (5, 6) having a number of fluid courses (16) for interconnecting a buoy (1) and a pipe system on a floating vessel for production of hydrocarbons, wherein the swivel device comprises a female member (5) and ... | 11/16/1999 |
| 5941325 | Pressure converter (B) Pressure converter for mounting above the drill bit at the lower end of a drill pipe for generating a higher fluid pressure in a portion of a drilling fluid flow, including a piston which is moveable in a cylinder. The piston has a large piston area which... | 08/24/1999 |
