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9043155 
Matching pursuitbased apparatus and technique to construct a seismic signal using a predicted energy distribution
A technique includes processing seismic data indicative of samples of at least one measured seismic signal in a processorbased machine to, in an iterative process, determine basis functions,... 

9025414 
Reciprocal method twoway wave equation targeted data selection for seismic acquisition of complex geologic structures
The invention relates to seismic surveying where complex geologies are likely to create data that is confusing or ambiguous for a conventional matrix of acquisition source points and receiver... 

9013956 
Method and system for seismic imaging and earth modeling using beam tomography
A beam tomography computer implemented method and system for generating improved seismic images and earth models without dependence on reflector structure is disclosed. Recorded seismic data is... 

8982666 
Methods for seismic fracture parameter estimation and gas filled fracture identification from vertical well log data
Methods for fracture characterization of unconventional formations are provided. Synthetic seismic fracture responses can be generated based on the derived fracture parameters. The synthetic... 

8948463 
Method for analyzing seismic data
A method for analyzing seismic data by generating a postmigration common image gather in a dip angle domain from measured seismic data; detecting concave features related to reflection events in... 

8923094 
Hydrocarbon detection with passive seismic data
Method for using seismic data from earthquakes to address the low frequency lacuna problem in traditional hydrocarbon exploration methods. Seismometers with frequency response down to about 1 Hz... 

8915852 
System and method for ultrasound scatterer characterization
A method for characterizing ultrasound scatterers in a medium comprises receiving ultrasound data representing a region of interest comprising a plurality of scatterers in a medium, the plurality... 

8908473 
Method of subsurface imaging using microseismic data
A method of subsurface imaging is disclosed, the method involving using input data relating to the geometry of a fracture in a subsurface medium, mechanical properties of the medium and insitu... 

8908474 
Inversion of 4D seismic data
The invention is a method for inferring the saturation and pressure change of a reservoir by combining the information from 4D (timelapse) seismic and time lag data volumes (7) derived from the... 

8908471 
Method for building velocity models for imaging in multiazimuth marine seismic surveys
A programmable computer is used to perform the following. 3D seismic data sets, corresponding to each azimuth in seismic data obtained from a multiazimuth marine seismic survey, are migrated in... 

8902710 
Method for determining discrete fracture networks from passive seismic signals and its application to subsurface reservoir simulation
A method for mapping a fracture network that includes determining a source of at least one seismic event from features in recorded seismic signals exceeding a selected amplitude (“visible seismic... 

8902709 
Methods for concurrent generation of velocity models and depth images from seismic data
In various embodiments, the present disclosure describes methods for processing seismic data to concurrently produce a velocity model and a depth image. Various embodiments of the methods include:... 

8902711 
System and method for analyzing and transforming geophysical and petrophysical data
A computer system and a computerimplemented method for analyzing input data from a geological volume of interest in a subterranean formation. The method includes processing the input data using a... 

8892388 
Box counting enhanced modeling
A method can include providing spatial data for a base case of a subsurface geologic formation; providing spatial data for a simulation case of the subsurface geologic formation; performing box... 

8885440 
Constructing velocity models near salt bodies
A method and apparatus for constructing a velocity model of a subsurface of the earth, is disclosed herein. Seismic data may be received. A first velocity model of the subsurface may be... 

8867308 
System, method and computer program product for stacking seismic noise data to analyze seismic events
Disclosed is a method for determining seismic event data from indications of seismic noise, the method including receiving seismic trace data from a plurality of locations, and providing a virtual... 

8861308 
Simultaneous joint inversion of surface wave and refraction data
A technique includes a method and apparatus for simultaneous joint inversion of surface wave and refraction data to identify near surface geophysical and geological properties. 

8861309 
Exploitation of selfconsistency and differences between volume images and interpreted spatial/volumetric context
Selfconsistency and/or differences between volume images and interpreted spatial/volumetric context may be exploited for improving seismic imaging and estimation of attributes of geobodies, in... 

8861306 
Interpolating seismic data
A technique includes modeling interpolated seismic measurements as a random process characterized by seismic measurements acquired at a set of sensor locations and an interpolation error. The... 

8830789 
Apparatus and method for imaging a subsurface using accumulated energy of wavefield
Provided is an apparatus of imaging a subsurface of a target area. The apparatus includes: an observed wavefield acquiring unit configured to acquire an observed wavefield for a target area based... 

8825409 
Tracing seismic sections to convert to digital format
Method, system, and computer program product for tracing seismic sections to convert to digital format are provided. The method includes: receiving a scan of a seismic section having multiple... 

8818730 
Unique composite relatively adjusted pulse
The invention relates to acquiring seismic data in either land or marine environments, but typically marine environments where a pulsetype source is fired in a distinctive composite pulse like a... 

8792301 
System and method for displaying seismic horizons with attributes
A system and method may, based on a 3D seismic data set seed point, execute a seed picking algorithm, using the first point for picking a set of second points from the data set, setting each of... 

8792302 
Estimating anisotropic parameters
A method for processing seismic data. The method includes performing a plurality of stochastic simulations for one or more rock model parameters to generate one or more anisotropic parameters for... 

8792303 
Methods and systems for performing azimuthal simultaneous elastic inversion
An improved method for analyzing seismic data to obtain elastic attributes is disclosed. In one embodiment, a reflectivity series is determined for at least one seismic trace of seismic data... 

8781749 
Attenuating noise in seismic data
Noise may be filtered or attenuated from seismic data by building a fourdimensional volume using the acquired seismic data and then applying a random noise attenuation filter to the... 

8780671 
Using microseismic data to characterize hydraulic fractures
Methods and apparatus that use microseismic event data, stress data, seismic data, and rock properties to predict the hydrocarbon production success of a well location are disclosed. An example... 

8775091 
Marine seismic surveying employing interpolated multicomponent streamer pressure data
It is described a method of interpolating and extrapolating seismic recordings, including the steps of deriving particle velocity related data from seismic recordings obtained by at least one... 

8773951 
System and method for seismic imaging with reduced computational cost
A computerimplemented method, system, and article of manufacture for generating images of a subsurface region are disclosed. The method includes obtaining seismic data and an earth model related... 

8767508 
Using seismic P and S arrivals to determine shallow velocity structure
Method for estimating a model of seismic velocity in a subsurface region from seismic data (31) recorded on 3component instruments. The method measures the apparent incidence angle (32) of a... 

8760968 
Determining a quantity of a given material in a subterranean structure
A profile is produced based on measured survey data, where the profile contains indications corresponding to refraction events at different depths in a subterranean structure. Based on the profile... 

8750074 
Anisotropic parameter determination
A walkaway VSP survey is carried out using a receiver array. First arrivals to a plurality of receivers are picked and used to estimate a normalmoveout (NMO) velocity. Using the NMO velocity and... 

8737166 
Annihilator based wave inversion
A method for verifying the accuracy of a wave velocity model. The method may include generating an extended image using the wave velocity model, operating on the extended image using an... 

8724429 
System and method for performing timelapse monitor surverying using sparse monitor data
Techniques are disclosed for performing timelapse monitor surveys with sparsely sampled monitor data sets. An accurate 3D representation (e.g., image) of a target area (e.g., a hydrocarbon... 

8705317 
Method for imaging of targeted reflectors
Techniques are disclosed for performing timelapse seismic monitor surveys with sparsely sampled monitor data sets. A more accurate 3D representation (e.g., image) of a target area (e.g., a... 

8699298 
3D multiple prediction and removal using diplets
Methods, software, and computer systems for 3D multiple prediction and removal are disclosed. The method includes determining a set of input diplets. The method includes, for one or more data... 

8693283 
Estimation of time shift based on multivintage seismic data
The invention is a method of calculating seismic time shifts Δ{right arrow over (t)}(t), comprising: conducting a number (n) of three or more seismic surveys with large time differences such as... 

8688757 
Method and system of subsurface horizon assignment
Subsurface horizon assignment. At least some of the illustrative embodiments are methods including: obtaining, by a computer system, a seismic data volume; identifying, by the computer system, a... 

8670288 
Velocity model for well timedepth conversion
Systems and methods create a velocity model for well timedepth conversion. In one implementation, a system optimizes a timedepth relationship applied to data points from a single well to... 

8665667 
Vertical seismic profiling velocity estimation method
A computerimplemented method includes providing a first velocity model obtained from a vertical seismic profile survey representative of an upper region of a subterranean formation. Wavefields... 

8659974 
System and method of 3D salt flank VSP imaging with transmitted waves
According to a preferred aspect of the instant invention, there is provided herein a system and method for imaging complex subsurface geologic structures such as salt dome flanks using VSP data.... 

8620082 
Sonar image texture segmentation
Systems and methods for sonar image feature extraction, which fit a parameterized statistical model to sonar image data to extract features that describe image textures for followon pattern... 

8599643 
Joint structural dip removal
A method for structural dip removal. The method includes converting a seismic volume to a depth domain, extracting seismic dips from the seismic volume in the depth domain along a borehole... 

8599644 
Velocity models for a single well and for a set of wells
Systems and methods create velocity models for a single well or for a set of wells. In one implementation, a system optimizes a timedepth relationship applied to data points from a single well to... 

8588028 
Slantstack for time gather to angle gather conversion
A method to correct errors in a conversion from time gather to angle gather using slant stacks wherein the slant stacking is performed along a direction that is normal to a dip or along three... 

8577613 
Effective hydrocarbon reservoir exploration decision making
An improved methodology for managing hydrocarbon exploration of at least one prospect. The methodology involves iterative processing that allows decision makers to iterate on assumptions and... 

8571799 
Method for cost effective sampling and characterization of heterogeneous unconventional hydrocarbon regions
A methodology improves sampling and characterization of heterogeneous, unconventional hydrocarbonbearing regions. The methodology is designed to integrate consistently across measurements and... 

8553499 
Migrationbased illumination determination for AVA risk assessment
According to a preferred aspect of the instant invention, there is provided herein a system and method for extending zerooffset or stacked waveequation illumination analysis into the... 

8553498 
Q tomography method
Method for reconstructing subsurface Q models (110) from seismic data (10) by performing raybased (60), centroid frequency shift (50) Q tomography. The seismic source waveform's amplitude... 

8547794 
Extending the coverage of VSP/CDP imaging by using firstorder downgoing multiples
Firstorder freesurface multiples recorded in VSP data or reverse VSP data are processed using VSP/CDP method to produce an image of the subsurface. This image produces a larger coverage than... 