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Class 702/14 - Seismology


Subclass of Class 702 - Data processing: measuring, calibrating, or testing
Definition: Subject matter comprising means for detecting and recording
No. of patents: 728
Last issue date: 02/14/2012


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NumberTitleIssue Date
6941204System and method for diagnosing aircraft components for maintenance purposes
Aircraft maintenance and repair work is facilitated, especially for a commercial aircraft, by a diagnostic system and method, wherein an aircraft component or assembly of components is monitored by at least one sensor which produces and preferably also stores compon...
09/06/2005
6937938Method and apparatus for interferometry, spectral analysis, and three-dimensional holographic imaging of hydrocarbon accumulations and buried objects
A methods and apparatus for the detection and exploration of buried objects and hydrocarbons uses two separate signals having different frequency characteristics combined to enable interferometric analysis and imaging systems including radar, sonar, seismological, a...
08/30/2005
6933491Remotely deployed optical fiber circulator
Fiber-optic-based systems and methods for monitoring physical parameters using a remotely deployed circulator are disclosed. In a preferred embodiment the circulator is remotely deployed with respect to an optical source/detector and coupled thereto by two dedicated...
08/23/2005
6934670Virtual test environment
A method of and an apparatus for designing a test environment and of evaluating performance of the test environment and an electronic device during testing of the electronic device. A virtual test environment is created emulating an actual test environment. A virtua...
08/23/2005
6934931System and method for enterprise modeling, optimization and control
A system and method for performing modeling, prediction, optimization, and control, including an enterprise wide framework for constructing modeling, optimization, and control solutions. The framework includes a plurality of base classes that may be used to create p...
08/23/2005
6931335Jitter histogram approximation
For determining a jitter value for a digital data signal, a jitter histogram determined for the digital data signal is substantially approximated using n normal distribution functions. The two outermost normal distribution functions are determine, and the jitter val...
08/16/2005
6931378Method, systems, and program product for selecting and acquiring data to update a geophysical database
Methods and systems for collecting, managing, distributing and updating geophysical data primarily for E&P companies include in one embodiment the sale of subscriptions entitling paid subscribers access to all subscribed data including both preview and full data. In...
08/16/2005
6928399Method and program for simulating a physical system using object-oriented programming
The invention relates to an object-oriented method for simulating a property of at least one fluid in a fluid-containing physical system in which the physical system is represented by a multiplicity of volumetric cells and a multiplicity of connections between cells...
08/09/2005
6928091Opto-electronic oscillator including a tunable electro-optic filter
An opto-electronic oscillator including a modulator for outputting modulated light and a tunable filter for receiving modulated light output from the modulator. ...
08/09/2005
6925031Method of using electrical and acoustic anisotropy measurements for fracture identification
Measurements made by a cross-dipole acoustic logging tool in a borehole are processed to determine the principal directions of azimuthal anisotropy of a subsurface formation. Measurements indicative of azimuthal resistivity variations are also made with a multicompo...
08/02/2005
6925385Wind power management system and method
According to certain disclosed embodiments of the invention, there is provided a wind power management system to monitor performance of wind turbine generators situated in wind farms, each having a number of wind turbine generators. A real-time wind power portfolio ...
08/02/2005
6925386Illumination monitoring process for making infill decisions
In a seismic survey, idealized subsurface illumination is generated using idealized survey data. Then, the following three steps are performed during each of a sequence of time intervals during the seismic survey. First, an incremental portion of actual survey data ...
08/02/2005
6922373Method of estimating relative bearing of a borehole receiver
The invention is a method for determining the orientation of a multi-component receiver where the preferred embodiment of the method makes use of an approximation of the relative bearing angle provided by a relative bearing sensor. The method comprises the steps of ...
07/26/2005
6920083Method intended for detection and automatic classification, according to various selection criteria, of seismic events in an underground formation
A method for automatic classification, according to various selection criteria, of seismic or microseismic events picked up by seismic receivers coupled with an underground formation under development, according to whether the events are purely of microseismic natur...
07/19/2005
6920084Offset transformation to zero dip that preserves angle of incidence
A method and apparatus for compensating acquired seismic data for the presence of dipping events are disclosed. The method includes migrating the acquired, unstacked seismic data; and spatially mapping the migrated seismic data to correct their respective offsets wh...
07/19/2005
6917881Method for determining primary static corrections to be applied to seismic traces
A method is disclosed for determining, without carrying out a well-velocity survey or making a priori assumption on the velocity of the first medium, the primary static corrections to be applied to sets of seismic traces after seismic prospecting operations in an un...
07/12/2005
6917564Method of processing seismic data
A method of processing seismic data, for example surface seismic data such as multi-component OBC (Ocean Bottom Cable) seismic data, comprises using vertical seismic profile (VSP) seismic data to determine a model of the relationship between depth within the earth a...
07/12/2005
6917360System and method for adaptively labeling multi-dimensional images
Techniques for labeling a two-dimensional image of a multi-dimensional object include displaying the two-dimensional image of the multi-dimensional object. A plurality of label regions are calculated in the two-dimensional image, the plurality of label regions being...
07/12/2005
6915212Systems and methods for processing complex data sets
Various systems and methods of the present invention provide for distributing access to a dataset to a plurality of processing nodes where the dataset is processed to produce node specific outputs. Distribution can be accomplished by a chain, or star-chain distribut...
07/05/2005
6912468Method and apparatus for contemporaneous utilization of a higher order probe in pre-stack and post-stack seismic domains
A method for contemporaneously utilizing seismic data in the pre-stack seismic domain and the post-stack seismic domain is disclosed. The method includes initiating a higher order probe at a three-dimensional coordinate in a post-stack seismic volume; and instantiat...
06/28/2005
6912491Method and apparatus for mapping uncertainty and generating a map or a cube based on conditional simulation of random variables
A new method is presented for generating a probability map, a cutoff map, and a confidence limit map in one single operation. In addition, the new method can also generate a cube representing a cubic volume of earth formation by using the same method for generating ...
06/28/2005
6912466Method for imaging seismic structures
A process for displaying seismic data that compares the data to a model function, typically a trigonometric sine wave. Sample points from the model function are compared to sample points of the seismic data at each graphic point being displayed. Seismic sample data ...
06/28/2005
6912467Method for estimation of size and analysis of connectivity of bodies in 2- and 3-dimensional data
A method for performing region growing in a data volume that accounts for noise in the data on a probabilistic basis. The data volume is divided into discrete cells, and a probability distribution for each cell's datum value is calculated. Each probability distribut...
06/28/2005
6907348Synthetic acoustic array acquisition and processing
The present invention provides a method of determining a property of an earth formation using an acoustic logging tool on a bottomhole assembly (BHA) in a borehole in the earth formation. At least one transmitter is used in the acoustic logging tool for generating a...
06/14/2005
6906982Marine time-lapse seismic surveying
A method for making a time-lapse seismic survey in a marine environment, the method designed to eliminate multiple surface reflections and changes in sea state and conditions. Seismic sources and receivers are positioned at predetermined conditions for a first set o...
06/14/2005
6906981Method and system for acquiring marine seismic data using multiple seismic sources
A method for seismic surveying is disclosed which includes towing a first seismic energy source and at least one seismic sensor system. A second seismic energy source is towed at a selected distance from the first source. The first seismic energy source and the seco...
06/14/2005
6907349Acoustic 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...
06/14/2005
6904367Petroleum exploration and prediction apparatus and method
A method for predicting the state of a geological formation. The method may include generating a separation key effective to extract a first feature from a signal or signals corresponding to a first state and a second feature, distinct from the first feature, from a...
06/07/2005
6904368Seismic analysis using post-imaging seismic anisotropy corrections
System and method for performing anisotropy corrections of post-imaging seismic data for a subsurface formation. The method may receive seismic data, preferably pre-stack seismic data comprising a plurality of traces, e.g., collected from a plurality of source and r...
06/07/2005
6891776Vibrator sweep shaping method
This invention relates to improved methods to generate shaped sweeps, and for the acquisition of vibroseis data with a shaped pilot sweep. ...
05/10/2005
6885944Method for detecting direction and relative magnitude of maximum horizontal stress in earth's crust
This invention relates to a method for determining direction and relative magnitude of maximum horizontal stress in sedimentary basins within Earth's crust. In particular the method uses seismic reflection data in determining the direction and magnitude of stresses....
04/26/2005
6882938Method for separating seismic signals from two or more distinct sources
A method is disclosed for separating energy resulting from actuating at least two different seismic energy sources from seismic signals. The sources are actuated to provide a variable time delay between successive actuations of a first one and a second one of the so...
04/19/2005
6876598Method for predicting propagation of sound in an ocean
Propagation of sound in an ocean is accurately predicted at all ranges from a source by a computational method that uses a newly created Decomposition Method to make the predictions at long range from the source. The predictions are done in a limited region of the o...
04/05/2005
6876959Method and apparatus for hydraulic fractioning analysis and design
A method and apparatus for designing, monitoring or evaluating the growth of a subterranean hydraulic fracturing procedure is disclosed. The method uses techniques of analysis that are both accurate and efficient in reducing computing resources needed to process dat...
04/05/2005
6870482Systems 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 at least about 3 meters below the surface of the crust of the Earth. The first transducer array includes a first plurality of sei...
03/22/2005
6871146Method for generating P-S and S-S- seismic data and attributes from P-P seismic data
A method for generating P-S or S-S seismic data from P-P AVO data in P-P travel time for a geographic area includes obtaining a plurality of amplitude and angle of incidence pairs of P-P AVO data. The plurality of amplitude and angle of incidence pairs of P-P AVO da...
03/22/2005
6868038Seismic method of performing the time picking step
The present invention provides a method of performing the time picking step in a VSP (vertical seismic profile) survey. In a preferred embodiment of the invention the time picking step is carried out on a combined three-component amplitude of the received seismic en...
03/15/2005
6868039Method for determining a seismic wave velocity model in a heterogeneous underground
A method for determining a velocity model of seismic waves picked up by seismic receivers coupled with an underground formation, in response to the emission of seismic waves in the subsoil by a seismic source, after reflection on geologic interfaces of the formation...
03/15/2005
6865487Method for decimating seismic traces driven by the seismic path
A method for decimating seismic traces in an acquisition of 3D data, recording, for each trace, the corresponding source-receiver couple coordinates (Sa1, Ra1), positioning on a decimation grid (D), divided into cells, the source-receiver coupl...
03/08/2005
6865488Method of using cascaded sweeps for source coding and harmonic cancellation
A method of seismic surveying using one or more vibrational seismic energy sources activated by sweep signals. The highest order harmonic that has sufficient strength to cause significant harmonic distortion of a sweep segment is determined. A number of sweep segmen...
03/08/2005
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