Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7383133 | Diffuse seismic imaging systems and methods Systems and methods are disclosed to construct subsurface images from diffuse seismic energy. Various disclosed system embodiments include multiple seismic sensors that each convert received seismic energy into one or more seismic signals. One or more processor comb... | 06/03/2008 |
| 7376539 | Method for simulating local prestack depth migrated seismic images A method, article of manufacture, and data set for simulating seismic prestack depth migrated images on the basis of a model of a selected GF-node, without the use of real or synthetic recorded data, provides a very efficient and flexible way to calculate a simulate... | 05/20/2008 |
| 7366616 | Computer-based method for while-drilling modeling and visualization of layered subterranean earth formations A computer-based method is provided for modeling and visualizing a property of a subterranean earth formation while drilling a borehole therethrough. The computer-based method gathers electromagnetic signals corresponding to a current measurement station location of... | 04/29/2008 |
| 7366054 | Tau-P filters for removal of noise from seismic data Methods of processing seismic data to remove unwanted noise from meaningful reflection signals are provided for. The methods comprise the steps of assembling seismic data into common geometry gathers in an offset-time domain without correcting the data for normal mo... | 04/29/2008 |
| 7363162 | Gas reservoir evaluation and assessment tool method and apparatus and program storage device A Gas Reservoir Evaluation and Assessment Tool utilizes an Analytical Engine to produce predictions of pressure values and other production data at any point in space and at any point in time in a reservoir. A computer system, such as a workstation, stores a Gas Res... | 04/22/2008 |
| 7340418 | Visual database for linking geography to seismic data A medium having a plurality of computer readable files relating to geophysical seismic data recorded thereon. The files include a map display having multiple levels of geographic detail and including a plurality of surface seismic data lines. A plurality of compress... | 03/04/2008 |
| 7337064 | Electromagnetic surveying for hydrocarbon reservoirs An electromagnetic survey method for surveying an area of seafloor that is thought or known to contain a subterranean hydrocarbon reservoir, comprising obtaining a first survey data set with a vertical electric dipole (VED) antenna for generating vertical current lo... | 02/26/2008 |
| 7333392 | Method for estimating and reconstructing seismic reflection signals A method for reconstructing seismic data signals of poor quality to improve the signal-to-noise ratio of the data for display and analysis in connection with the selection of drilling sites for recovery of hydrocarbons. The method includes providing a signal model b... | 02/19/2008 |
| 7334010 | Feedback digital filter A digital filter includes a data storage section, a filter coefficient storage section, a multiplier, an accumulative adder section, a data output section and a control section. The data storage section stores the latest multiple input data for every channel and out... | 02/19/2008 |
| 7333893 | Method for spatially interpreting electromagnetic data using multiple frequencies Method for removing effects of shallow resistivity structures in electromagnetic survey data to produce a low frequency resistivity anomaly map, or alternatively imaging resistivity structures at their correct depth levels. The method involves solving Maxwell's elec... | 02/19/2008 |
| 7330791 | Method for rapid fault interpretation of fault surfaces generated to fit three-dimensional seismic discontinuity data A method to extract fault surfaces from seismic data (1,3) is disclosed. The method comprises: (a) generating at least two fault sticks (5) from the same fault from at least two slices of the seismic data wherein each slice comprises at least one fault... | 02/12/2008 |
| 7330792 | Method for reconstructing complex wave attributes from limited view measurements A method is disclosed for reconstructing complex wave attributes from limited view measurements of a scattering object. The method involves the analytic continuation of the Fourier transform of the object function into the area in which there is an absence of K-spac... | 02/12/2008 |
| 7325971 | Method and apparatus for locating hydrocarbon deposits A method and apparatus for locating hydrocarbon deposits includes temperature 16 sensor for measuring earth surface temperature at each of a plurality of locations, and a solar absorption sensor 14 for measuring the absorption coefficient of the earth'... | 02/05/2008 |
| 7328139 | Device and software package for extracting a geological horizon and related properties The invention concerns a method for extracting a geological horizon and related properties of a seismic representation, comprising a step (100) which consists in digital modeling with continuous local seismic traces, calculating the optimal offset and definin... | 02/05/2008 |
| 7321526 | Method and apparatus for water velocity decomposition The present invention provides a method for analyzing traces collected along a plurality of adjacent sail lines in a marine seismic survey area. The method comprises selecting a plurality of trace groups, at least one trace in each group sharing a common midpoint wi... | 01/22/2008 |
| 7319637 | System and methods for enhancing an image of post-stack seismic data with pre-stack seismic data features A system and methods for enhancing an image of post-stack seismic data, with pre-stack seismic data features, and displaying the enhanced image with the image of the post-stack seismic data are disclosed. ... | 01/15/2008 |
| 7310287 | Method and apparatus for seismic data acquisition A marine seismic exploration method and system comprised of continuous recording, self-contained ocean bottom pods characterized by low profile casings. An external bumper is provided to promote ocean bottom coupling and prevent fishing net entrapment. Pods are teth... | 12/18/2007 |
| 7304645 | System and method for improving signal to noise ratio in 3-D point data scenes under heavy obscuration A method comprises loading LADAR point data into a three-dimensional voxel array as a plurality of components (304); determining connected components in the array (306); determining a size for each component and a hit count of occupied voxels (316 | 12/04/2007 |
| 7302373 | System and method for visualizing data in a three-dimensional scene A method for displaying a plurality of measurement data along a borehole trajectory includes displaying a borehole model representing the borehole trajectory; and displaying the plurality of measurement data as at least one layer overlaying the borehole model, where... | 11/27/2007 |
| 7295929 | Process, device and software package for locally determining the shape of geological horizons A method for locally determining a profile of geological horizons includes a step (100) which consists in digital modeling with continuous local seismic traces, calculating an optimal offset and defining a conditional neighborhood of a reference central conti... | 11/13/2007 |
| 7292241 | Process for calculating meshed realizations of a reservoir A process for calculating a meshed description of a realization of an oil-bearing reservoir takes as its starting point a reference realization of the reservoir with a plurality of stratigraphic surfaces, a meshed reference description for the reference realization ... | 11/06/2007 |
| 7286690 | Method for imaging of pre-stack seismic data Prestack seismic data is imaged by calculating an individual reflectivity for each frequency in the seismic data. Then, a mean reflectivity is calculating over the individual reflectivities. A variance is calculated for the set of reflectivities versus frequency. A ... | 10/23/2007 |
| 7286214 | Method and program product for determining a radiance field in an optical environment A hybrid method is presented by which Monte Carlo techniques are combined with iterative relaxation techniques to solve the Radiative Transfer Equation in arbitrary one-, two- or three-dimensional optical environments. The optical environments are first divided into... | 10/23/2007 |
| 7283911 | System and method for interpreting reverse faults and multiple z-valued seismic horizons A system and method for interpreting reverse faults and multiple z-valued seismic horizons. A platform executable on a computer is provided for interpreting seismic data. The platform includes a user input module for accepting user inputs related to interpretation o... | 10/16/2007 |
| 7283941 | Computer system and method for modeling fluid depletion A method for modeling fluid depletion in a reservoir is disclosed. A map is divided into cells. For each of the cells a value is stored that is based at least in part on a physical characteristic of the cell. At least one cell that contains a depletion location is i... | 10/16/2007 |
| 7280952 | Well planning using seismic coherence A system for predicting hydrocarbon production from a subterranean region of interest using reflection seismic data. The system sets a drainage area around reference traces and defines drainage pathways extending outwardly from the reference trace towards the perime... | 10/09/2007 |
| 7268696 | Directional signal and noise sensors for borehole electromagnetic telemetry system An electromagnetic borehole telemetry system providing improved signal to noise ratio. Adaptive filters use noise channels as references to remove noise from the signal channel. Directional detectors provide a signal channel with reduced noise content and improved n... | 09/11/2007 |
| 7266041 | Multi-attribute background relative scanning of 3D geophysical datasets for locally anomaluous data points Methods for scanning geophysical data sets to find geological entities with specific geophysical responses entail selecting a focus sub-volume and a background sub-volume proximal to the focus sub-volume. The sub-volumes include discrete sampling locations and are l... | 09/04/2007 |
| 7266479 | System and method for high-order accurate device model approximation An system and method are disclosed for efficiently approximating analytical circuit device models. A preferred embodiment includes a method for obtaining smooth and accurate approximations of analytical device models, comprising the steps of identifying a first set ... | 09/04/2007 |
| 7251567 | Electronically calibrated beacon for a horizontal directional drilling machine A monitoring system for use with a horizontal directional drilling machine and adapted to determine the roll and/or pitch orientation of the downhole tool assembly by detecting signals from a sensor assembly supported by the downhole tool assembly. In a preferred em... | 07/31/2007 |
| 7249059 | Internet advertising system and method An internet advertising system and method that enables a third party professional to manage the creation, publication, and display of advertisements on internet media venues owned or controlled by entities other than the seller and other than the third party profess... | 07/24/2007 |
| 7248539 | Extrema classification A method for automated extraction of surface primitives from seismic data is presented. A preferred embodiment of the method includes defining, typically with sub-sample precision, positions of seismic horizons through an extrema representation of a 3D seismic input... | 07/24/2007 |
| 7248259 | Three dimensional geological model construction A method for modeling geological structures includes identifying fault planes in a geologic structure, and creating a set of substantially vertically oriented pillars along the fault plane. The pillar grids are then combined into a common three-dimensional grid pill... | 07/24/2007 |
| 7243029 | Systems and methods of hydrocarbon detection using wavelet energy absorption analysis Disclosed herein are systems and methods of hydrocarbon detection based on wavelet energy absorption analysis. One disclosed hydrocarbon detection method embodiment includes: a) obtaining seismic trace data for a region of interest; and b) processing the seismic tra... | 07/10/2007 |
| 7228906 | Propellant ignition assembly and process Method and apparatus for stimulating a subterranean formation that is penetrated by a well bore in fluid communication with the formation. At least one length of propellant is assembled with at least one shaped explosive charge that is aimed axially along the well b... | 06/12/2007 |
| 7218573 | Interpretation of shot gather and stack of seismic data Interpretation of a shot gather and a stack of seismic data. In one implementation, the shot gather is sorted into a first component shot gather, a second component shot gather and a third component shot gather. The first component shot gather is represented as a fi... | 05/15/2007 |
| 7216020 | Method and system for controlling an irrigation scheduling engine using computed evapotranspiration values A system for providing irrigation control is provided. The system includes a number of non-local data sources for providing data, a processor and an irrigation system. The processor is configured to receive data from one or more of the non-local data sources and cal... | 05/08/2007 |
| 7206782 | Method for deriving a GrAZ seismic attribute file The method for deriving a GrAZ seismic attribute file entails inputting a horizon file and an attribute file, obtaining the gradient of the horizon file thereby producing a horizon vector file, indexing from the attribute file data at corresponding geographic locati... | 04/17/2007 |
| 7203599 | Method for acquiring transient electromagnetic survey data A method for controlled source electromagnetic Earth surveying includes deploying a plurality of electromagnetic sensors in a selected pattern at the top of an area of the Earth's subsurface to be surveyed. At least one of a transient electric field and a transient ... | 04/10/2007 |
| 7197441 | Method for generating progressive solid models based on cellular topology Disclosed is a method for generating progressive solid models based on a cellular topology. A cellular model generating section 10, if a specific feature-based model is inputted, performs a mapping operation on the input feature-based model with reference to ... | 03/27/2007 |