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7603238 |
Analysis of time-series data using singularities
A method for acquiring and analyzing time-series data using singularities is described. This method allows for the analysis of data over a wide spectrum of frequencies. Once the data is acquired in...
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7586811 |
Subsalt velocity model building
Method for building a subsalt velocity model. In one implementation, the method may include determining a velocity of a sedimentary area surrounding a salt body, determining an initial velocity of...
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7574303 |
Seismogram correction for absorption effects
Correcting seismograms to compensate for absorption or dissipative effects that occur in the earth. In one implementation, a ratio of traveltime (t) to absorption parameter (Q) may be computed for...
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7555389 |
Creating an Absorption Parameter Model
To generate an absorption parameter model, estimated values of an effective absorption parameter are received, where the estimated effective absorption parameter values represent absorption...
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7554883 |
Fault filter for seismic discontinuity data
Various methods are disclosed for identifying faults in a seismic data volume. In some method embodiments, the fault identification method comprises determining a planarity value for each of...
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7548487 |
Diagonal gather trace interpolation
Diagonal gather trace interpolation systems and methods are disclosed. In some embodiments, the method includes obtaining seismic traces from a marine seismic survey performed using typically two...
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7539578 |
VH signal integration measure for seismic data
A method and system of processing seismic data includes acquiring three-component seismic data and combining horizontal components of the three-component seismic data to obtain a merged horizontal...
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7523003 |
Time lapse marine seismic surveying
In a first aspect, a method for use in a time lapse, marine seismic survey includes accessing a set of baseline seismic data; accessing a set of acquired, time lapse seismic data; and interpolating...
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7480205 |
3D fast fault restoration
Solutions to the problem of reversing seismic fault movements are formulated using a model based on elasticity theory, and using finite element and boundary element methods for generating a...
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7460436 |
Apparatus and method for hydraulic fracture imaging by joint inversion of deformation and seismicity
A method for hydraulic fracture imaging consistently integrates ground deformation data and microseismic data. A time sequence of hydraulic fracture images is computed from the combined data by...
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7453765 |
Scattering diagrams in seismic imaging
The analysis of scattering diagrams of the correlation-type representation theorem in inhomogeneous media is improved by the use of virtual events. Virtual events here are events which are not...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7136757 |
Frequency-dependent processing and interpretation (FDPI) of seismic data for identifying, imaging and monitoring fluid-saturated underground reservoirs
A method for identifying, imaging and monitoring dry or fluid-saturated underground reservoirs using seismic waves reflected from target porous or fractured layers is set forth. Seismic imaging the...
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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...
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7079953 |
Method for creating facies probability cubes based upon geologic interpretation
A method for creating a facies probability cube is disclosed. A S-grid containing facies is first created. The grid includes layers of cells and columns of cells. Vertical facies proportion data...
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7069149 |
Process for interpreting faults from a fault-enhanced 3-dimensional seismic attribute volume
A computer implemented method for interpreting faults from a fault-enhanced 3-D seismic attribute cube. The method includes the steps of extracting faults from a 3-D seismic attribute cube, and of...
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7059180 |
Water cut rate of change analytic method
A method of measuring a water effect on an underground non-water well includes the steps of assembling a history of water cut (WC) measurements for the well over an extended period of time,...
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7054753 |
Method of locating oil and gas exploration prospects by data visualization and organization
The present invention relates to a method of locating oil and gas exploration prospects. A digital model of each of the many geologic strata that compose a basin is created for all or a portion of...
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7031842 |
Systems and methods for collaboratively viewing and editing seismic data
In one embodiment, a computer-implemented seismic viewing/editing collaboration method includes performing real-time collaborative cursor tracking, copaging, picking, and image manipulation in a...
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7024021 |
Method for performing stratigraphically-based seed detection in a 3-D seismic data volume
The invention is a method for performing a stratigraphically-based seed detection in a 3-D seismic data volume. The method incorporates criteria that honor the layered nature of the subsurface so...
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7020558 |
Method of measuring local similarities between several seismic trace cubes
A Method of measuring local similarities between seismic trace cubes (3D survey) obtained from a volume of an underground zone, corresponding to prestack data or to repeated seismic surveys (4D...
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7013218 |
System and method for interpreting repeated surfaces
A method of managing a repeated surface comprising seismic data as one surface is disclosed where a plurality of horizons is analyzed and a determination made as to which of the plurality of...
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7003400 |
Apparatus and method for displaying subsurface anomalies and surface features
The present invention provides a method of combining various types of data and software in order to arrive at a composite graphical representation of a construction site, including surface and...
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6993434 |
Method for multi-region data processing and visualization
A method for processing data sets is disclosed. In one embodiment, the method comprises; (a) defining at least two primary region constraints in the data sets by creating a corresponding constraint...
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6987706 |
Removal of noise from seismic data using high resolution radon transformations
Methods of processing seismic data to remove unwanted noise from meaningful reflection signals are provided for. The seismic data is transformed from the offset-time domain to the time-slowness...
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6985838 |
System for estimating thickness of thin subsurface strata
The invention comprises a method for processing seismic data to generate data related to the location of thin beds in the earth's subsurface. Seismic data windows are defined extending over...
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6977866 |
Method and process for prediction of subsurface fluid and rock pressures in the earth
A method of determination of fluid pressures in a subsurface region of the earth uses seismic velocities and calibrations relating the seismic velocities to the effective stress on the subsurface...
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6968274 |
Use of cutting velocities for real time pore pressure and fracture gradient prediction
Disclosed is a new method for providing accurate real time predictions of pore pressure and fracture gradient, at the rig site by determining the wave velocity from drill cuttings by a portable...
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6950786 |
Method and apparatus for generating a cross plot in attribute space from a plurality of attribute data sets and generating a class data set from the cross plot
A workstation stores a novel seismic classification software package (known as the “Seisclass software”). During execution of the Seisclass software by a processor of the workstation, the...
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6950751 |
Method and apparatus for the assimilation and visualization of information from 3D data volumes
The present invention provides a method and apparatus for displaying selected characteristics of geological features. Color-features, for example, hue, saturation and intensity, or other use...
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6947842 |
Normalized and animated inundation maps
Methods and systems for normalizing flood warnings and potential flood levels across multiple river gauges by converting localized flood stage levels to a datum-based normalized value are...
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6941227 |
Frequency-dependent processing and interpretation (FDPI) of seismic data for identifying, imaging and monitoring fluid-saturated underground reservoirs
A method for identifying, imaging and monitoring dry or fluid-saturated underground reservoirs using seismic waves reflected from target porous or fractured layers is set forth. Seismic imaging the...
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6941228 |
Method and system and program storage device for analyzing compressional 2D seismic data to identify zones of open natural fractures within rock formations
The Fracture Trend Identification method is practiced by the Fracture Trend Identification software adapted for analyzing compressional 2-D seismic data in order to identify zones in a rock...
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6937938 |
Method 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...
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