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| Number | Title | Issue Date |
| 7203130 | Methods for deriving shape of seismic data acquisition cables and streamers employing a force model Methods and systems for determining position of one or more portions of a seismic streamer, which portions may be seismic receivers, are disclosed. One method includes measuring one or more characteristics of one or more steering devices positioned at known distance... | 04/10/2007 |
| 7203606 | Information processing apparatus for numerically analyzing incompressible fluid and method therefor During an incompressible fluid movement, three consecutive times during the movement of the fluid are called first, second, and third times in time order, calculation is performed with two different types of lattices for the first and third times and for the second ... | 04/10/2007 |
| 7200492 | Apparent dip angle calculation and image compression based on region of interest The present invention provides a method and apparatus for logging an earth formation and acquiring subsurface information wherein a logging tool is conveyed in borehole to obtain parameters of interest. The parameters of interest obtained may be density, acoustic, m... | 04/03/2007 |
| 7200528 | Method for evaluating a sequence of discrete readings The invention relates to a method for evaluating a sequence of discrete measured values whereby an attribute is assigned to each measured value before evaluation that includes the same properties for all measured values, and whereby a criterion is established for th... | 04/03/2007 |
| 7196969 | Three-dimensional two-way acoustic wave equation pre-stack imaging systems and methods A system and method for pre-stack imaging system that includes multiple processors, with each processor configured to perform two-way wave equation-based forward wave propagation of a source event to obtain a source wave field using high order spatial finite differe... | 03/27/2007 |
| 7196634 | Systems for predicting earthquakes and methods of employing such systems A method of predicting earthquakes includes the step of positioning a first transducer array adjacent to a seismically active region and below the water table, i.e., within the zone of saturation. The first transducer array includes a first plurality of seismometers... | 03/27/2007 |
| 7194474 | Method of processing test information An NDE test data record management system is provided. The test data record management system can include a format conversion server, a local archiving server, a cataloging server, an image and data cache server, and an image query and review station. ... | 03/20/2007 |
| 7194353 | Method and system for route planning of aircraft using rule-based expert system and threat assessment A method and system or determining a flight path for an aircraft between an initial point and a destination point are described. An airspace is divide into a set of grid cells, and a flight path is established between the initial point and the destination point. A c... | 03/20/2007 |
| 7184943 | Evolutionary technique for automated synthesis of electronic circuits An evolvable circuit includes a plurality of reconfigurable switches, a plurality of transistors within a region of the circuit, the plurality of transistors having terminals, the plurality of transistors being coupled between a power source terminal and a power sin... | 02/27/2007 |
| 7184367 | Method to convert seismic traces into petrophysical property logs A method to convert seismic traces to petrophysical properties is disclosed. One embodiment of the method comprises (a) deriving a combined log seismic response from at least one petrophysical log from a well and at least one seismic trace substantially near the wel... | 02/27/2007 |
| 7181380 | System and process for optimal selection of hydrocarbon well completion type and design A process to determine optimal completion type and design prior to drilling of a hydrocarbon producing well utilizing information from hydrocarbon recovery modeling such as reservoir, geo-mechanical, and material modeling over the production life of the well. An emb... | 02/20/2007 |
| 7181347 | Method for the 3-D prediction of free-surface multiples Method and apparatus for predicting surface multiples, which includes (a) selecting a target subsurface line (SSL); (b) selecting an input SSL within an aperture of the target SSL; (c) selecting a point on a line twice the distance between the input SSL and the targ... | 02/20/2007 |
| 7177765 | Method of general elastic inversion by combination of calculated pseudo-shear and measured compressional seismic amplitude information A method designed to combine both pseudo compressional interval velocity and pseudo shear interval velocity from seismic data for predicting fluid type and porosity in oil and gas exploration. The first step is the generation of ψS, pseudo shear reflectivity data, ... | 02/13/2007 |
| 7177232 | Wireless radio frequency hydrophone system A wireless hydrophone system includes a hydrophone joined to a preamplifier. A serial A/D converter receives the amplified hydrophone signal and provides a serial digital output representative of the signal. The A/D converter is joined to a processor which provides ... | 02/13/2007 |
| 7177764 | Simulation method and apparatus for determining subsidence in a reservoir A reservoir simulator first estimates rock displacement parameters (u, v, and w) representing rock movement in the x, y, and z directions. When the rock displacement parameters (u, v, w) are determined, “εx,y,z” (the ‘x,y,z elongation strains’) a... | 02/13/2007 |
| 7173749 | Opto-electronic feedback for stabilizing oscillators This application describes use of an opto-electronic feedback in oscillators to suppress phase noise based on the high Q factor of the opto-electronic feedback. ... | 02/06/2007 |
| 7171309 | Downhole tool controller using autocorrelation of command sequences The present invention provides for an apparatus and method of use to control a downhole tool remotely based on the autocorrelation of command sequences. Repeating signals of a priori unknown or undefined shape can be correlated to themselves to reliably distinguish ... | 01/30/2007 |
| 7169040 | Crop measuring arrangement A crop measuring arrangement is arranged on a harvesting vehicle to interact with a material that is to be investigated in order to detect at least one component of the material, and that can be fastened to a vehicle by means of a retaining arrangement, so that the ... | 01/30/2007 |
| 7167414 | Amplitude preserving prestack migration method A method is disclosed for amplitude preserving Kirchhoff time migration. The method includes calculating estimates of the geometrical spreading terms using a constant velocity approximation. Takeoff and emergence angles are accurately calculated based on a model of ... | 01/23/2007 |
| 7154812 | Method for retrieving local near-surface material information The invention concerns a method for retrieving local near-surface material information including the steps of:—providing a group of receivers comprising at least one buried receiver and at least one surface receiver positioned either at or very near the Earth surf... | 12/26/2006 |
| 7145497 | Robust detection technique of fixed and moving ground targets using a common waveform Detection of moving targets in SAR images is improved by a radar on a moving platform for generating a focused synthetic aperture image of a scene The scene contains a target described by pixels within the SAR image. The radar has a monopulse antenna having a sum ch... | 12/05/2006 |
| 7127353 | Method and apparatus for imaging permeability pathways of geologic fluid reservoirs using seismic emission tomography The application of SET for the imaging and analysis of seismic energy emission induced during production of fluid resources from their reservoirs allows 4 dimensional measurements of the components of the permeability field of the reservoir. The seismic energy emiss... | 10/24/2006 |
| 7124028 | Method and system for transmission of seismic data The transmission method utilizes multiple seismic acquisition units within an array as intermediate short range radio receivers/transmitters to pass collected seismic data in relay fashion back to a control station. Any one seismic unit in the array is capable of tr... | 10/17/2006 |
| 7120541 | Sonic well logging methods and apparatus utilizing parametric inversion dispersive wave processing Methods and related apparatus for generating dispersion curves and conducting shear slowness logging are set forth. The methods include backpropagating detected dispersive waveforms in the Fourier domain while accounting for dispersion in an anisotropic and inhomoge... | 10/10/2006 |
| 7117093 | Method, media, and signals for processing seismic data to obtain a velocity field A method and apparatus for estimating a seismic velocity field from seismic data including time-amplitude representations associated with source-receiver locations spaced apart by an offset distance and having a midpoint therebetween, the seismic data being arranged... | 10/03/2006 |
| 7117094 | Seismic measuring system including GPS receivers A system for analyzing three-dimensional seismic data includes a plurality of digitizer units, each with a configuration of geophones, a data recording and control center, a base GPS receiver with an associated antenna with a substantially unrestricted view of the s... | 10/03/2006 |
| 7113869 | Method for prospect identification in asset evaluation 3D seismic classification is a breakthrough technology to determine the three-dimensional distribution of pore fluid, lithology, and faults/fractures from multiple seismic attribute volumes. This method provides an innovative, timesaving solution for identification ... | 09/26/2006 |
| 7110323 | Method, system and apparatus for interpreting seismic data using duplex waves A Method for Interpreting Seismic Data Using Duplex Waves is described. Whereas substantially horizontal boundaries are readily identified using conventional processing methods based on primary reflections, it has been difficult or impossible to use such methods for... | 09/19/2006 |
| 7099235 | Geophone and method of manufacturing a geophone A vibration transducer such as a geophone, comprising a central pole piece (110) with a magnet (112) and coil (118) concentrically arranged around it. The position of the magnet (112) is fixed relative to the pole piece (110) and t... | 08/29/2006 |
| 7099800 | Method and a computer for handling operational data of wind power plants Example embodiments of the present invention relate to a method for collecting data from a wind turbine plant, where data are collected regularly. The collected data made can be stored, where corrections are performed on the stored data. The method also maintains or... | 08/29/2006 |
| 7096961 | Method and apparatus for performing diagnostics in a wellbore operation A wired drill pipe telemetry system includes a surface computer; and a drill string telemetry link comprising a plurality of wired drill pipes each having a telemetry section, at least one of the plurality of wired drill pipes having a diagnostic module electrically... | 08/29/2006 |
| 7096172 | System and method for automated reservoir targeting Methods and systems for reservoir targeting, the systems implementing methods comprising filtering a plurality of values in a three-dimensional model to eliminate values which are below a threshold to create a filtered three-dimensional model; developing a first mat... | 08/22/2006 |
| 7095678 | Method for seismic imaging in geologically complex formations A method for multipath imaging of three-dimensional volumes of seismic data, given the subsurface velocity distribution. Ray tracing is used to generate the volumes of information needed for migration, but using coarse-scaled grids for computational efficiency. Inte... | 08/22/2006 |
| 7095677 | Crossplot analysis of A.V.O. anomolies in seismic surveying A method of seismic data analysis to provide clustering of A.V.O. data into A.V.O. anomaly types, the method comprising: obtaining successive values of a plurality of seismic attributes, each seismic attribute comprising a respective property of a seismic reflection... | 08/22/2006 |
| 7092824 | Methods and systems for interactive investigation of geophysical data Methods and systems are provided for investigating an image set of geophysical data distributed over a first N-dimensional volume where N≧2. A subvolume that encloses a known feature of interest within a target set of geophysical data distributed over a second N-d... | 08/15/2006 |
| 7092823 | Method of forming a model representative of the distribution of a physical quantity in an underground zone, free of the effect of correlated noises contained in exploration data The invention is a method of estimating, from data obtained by exploration of a zone of a heterogeneous medium, a model representative of a distribution, in the zone, of at least one physical quantity, the model being free of a presence of correlated noises that may... | 08/15/2006 |
| 7089152 | System and method for assisting shoe selection A system for assisting shoe selection can select and present a shoe type that fits a customer by estimating the anatomical characteristics of a foot from the state of the foot. The system includes the following: a measured data input portion for measuring and inputt... | 08/08/2006 |
| 7089166 | Method of modeling of faulting and fracturing in the earth A computer implemented method for modeling of faulting and fracturing uses “small scale rules” to produce large-scale results. One part of the method is a user interface for inputting deformations, preexisting faults and fractures, and material rock properties. ... | 08/08/2006 |
| 7088639 | Method for determining formation quality factor from well log data and its application to seismic reservoir characterization A method for seismic characterization of subsurface Earth formations includes determining at least one of compressional velocity and shear velocity, and determining reservoir parameters of subsurface Earth formations, at least including density, from data obtained f... | 08/08/2006 |
| 7089119 | Acoustic signal processing method using array coherency A system and method is provided for characterizing earth formations. In one embodiment, the method includes passing a logging tool through a borehole and repeatedly: (a) triggering an acoustic wave generator; (b) recording acoustic waveforms received by receivers in... | 08/08/2006 |
