Matches 1 - 50 out of 375 1 2 3 4 5 6 7 8 >


Match Document Document Title
US20150134255 STRATIGRAPHIC AND STRUCTURAL INTERPRETATION OF DEVIATED AND HORIZONTAL WELLBORES  
Methods of generating structural models of highly deviated or horizontal wells may be generated from the measurement of true stratigraphic thickness in three dimensions (TST3D). In one aspect,...
US20150088428 COMPUTATIONALLY EFFICIENT NONLINEAR STRUCTURAL ANALYSIS  
Seismic displacement demands for design of a bridge frame structure are typically determined from linear-elastic analysis (LEA), which are often incorrect, and compared to displacement capacity...
US20130035859 METHOD AND SYSTEM FOR AUTOMATED LOCATION DEPENDENT NATURAL DISASTER FORECAST  
A forecast system and method for automated location dependent natural disaster impact forecasts includes located gauging stations to measure natural disaster events. Location dependent measurement...
US20140222345 METHODS AND SYSTEMS OF INCORPORATING PSEUDO-SURFACE PICK LOCATIONS IN SEISMIC VELOCITY MODELS  
Incorporating pseudo-surface pick locations in seismic velocity models. At least some of the illustrative embodiments are methods including: refining a seismic velocity model by correlating a...
US20130090858 SYSTEM FOR MEASURING COSEISMIC MOVEMENTS OR VIBRATIONS OF STRUCTURES BASED ON GLOBAL NAVIGATION SATELLITE SYSTEMS-GNSS AND/OR PSEUDOLITES  
System for measuring coseismic movements or vibrations of structures based on measurements of phase observations performed on at least four sources simultaneously, between GNSS satellites and/or...
US20140129147 Method of indicating the presence of gas hydrate and shallow gas in deepwater environment  
A method for indicating the presence of free gas charged sands, and/or hydrates over free gas, and/or hydrates not over free gas, the method using well log data and a rock physics model. Velocity...
US20150120198 SYSTEM AND METHOD FOR ANALYZING MICROSEISMIC EVENTS USING CLUSTERS  
According to an embodiment, a method for analyzing microseismic events associated with hydraulic fracturing detects a new microseismic event and assigns it to a cluster of other events having...
US20120197532 EXTRACTING GEOLOGIC INFORMATION FROM MULTIPLE OFFSET STACKS AND/OR ANGLE STACKS  
Geologic information may be extracted from multiple offset stacks and/or angle stacks. Offset stacks and/or angle stacks may be received that represent energy that has propagated through a...
US20120197531 EXTRACTING GEOLOGIC INFORMATION FROM MULTIPLE OFFSET STACKS AND/OR ANGLE STACKS  
Geologic information may be extracted from multiple offset stacks and/or angle stacks. Offset stacks and/or angle stacks may be received that represent energy that has propagated through a...
US20120197530 EXTRACTING GEOLOGIC INFORMATION FROM MULTIPLE OFFSET STACKS AND/OR ANGLE STACKS  
Geologic information may be extracted from multiple offset stacks and/or angle stacks. Offset stacks and/or angle stacks may be received that represent energy that has propagated through a...
US20130211727 Method to Improve Spatial Sampling of Vertical Motion of Seismic Wavefields on the Free Surface of the Earth by Utilizing Horizontal Rotational Motion and Vertical Motion Sensors  
The present method provides spatial sampling of a seismic wavefield on the free surface of the earth at an effective spatial sampling denser than the physical layout of the sensors. The sensors...
US20100094559 PSEUDO LOGS TO IMPROVE STRATIGRAPHIC CORRELATION BETWEEN SEDIMENTARY BASINS  
In order to improve the tie between depositionally equivalent beds relative to two or more basins detected within a multi dimensional seismic volume of interest, pseudo logs based on the average...
US20110046884 SEISMIC ATTRIBUTES FOR STRUCTURAL ANALYSIS  
Embodiments of methods and systems for analysis of geological structures using seismic attributes are described. In some embodiments, a method includes computing a similarity function using one or...
US20110313671 SYSTEM AND METHOD FOR DETECTING ROCK FALL  
Aspects of the invention provide systems and methods for using ballast sensors to detect rock fall events in a vicinity of railway tracks or similar roadways or tracks. The ballast sensors are...
US20140365134 Method Discriminating Between Natural And Induced Seismicity  
The invention pertains generally to the field of seismicity. The method of the invention provides an objective criteria for decision when determining whether or not the seismic activity...
US20140149045 SYSTEM AND METHOD FOR DEDUCING CAVERN PROPERTIES  
Strength parameters of the contents of subsurface caverns are deduced through seismic information. Known properties of formations surrounding the caverns, and ratios of seismic amplitudes between...
US20150057937 MICROSEISMIC EVENT LOCALIZATION USING BOTH DIRECT-PATH AND HEAD-WAVE ARRIVALS  
The present invention relates to methods and apparatuses for using head waves to greatly improve microseismic event localization accuracy, particularly in the depth dimension, by analyzing them in...
US20140343859 TIME-LAPSE 4D SCATTERING FOR IMAGING HYDRAULICALLY INDUCED FRACTURES  
Tools and methods for monitoring a subterranean formation is provided. Methods for monitoring include: creating a time-lapse azimuth stack between an azimuth stack on a first seismic survey and an...
US20130030710 SYSTEM AND METHOD FOR PERTURBING AN INITIAL HORIZON-PICKING SOLUTION TO FOLLOW LOCAL FEATURES OF A VOLUME  
A horizon-picking solution for a geological volume of interest is determined. To determine the horizon-picking solution, a plurality of horizons through the geological volume of interest included...
US20080021657 UTILIZING RAPID WATER DISPLACEMENT DETECTION SYSTEMS AND SATELLITE IMAGERY DATA TO PREDICT TSUNAMIS  
One aspect of the present invention can include a method for detecting tsunamis that can include a step of detecting a location of a rapid water displacement event occurring in an ocean, such as...
US20120072116 EXTRACTION OF DEPOSITIONAL SYSTEMS  
A process that assists with the identification of potential hydrocarbon deposits that includes performing a structural interpretation of a three-dimensional seismic volume, transforming the...
US20120072115 DETERMINATION OF NOTIONAL SIGNATURES  
A method of determining the signature of a seismic source array comprises determining a notional signature of at least one source of an array of n seismic sources from measurements of the emitted...
US20100299070 METHOD FOR SEPARATING INDEPENDENT SIMULTANEOUS SOURCES  
This is a method of separating simultaneous sources that uses an inversion-type approach. Each source will preferably activated at a random time with respect to the others. These random delays...
US20110022321 METHOD FOR MONITORING A SUBTERRANEAN FRACTURE  
The Invention relates to a method for monitoring a subterranean fracture, comprising determining by means of a plurality of seismic wave detectors (1a-1e) respective absolute or relative positions...
US20150177402 PASSIVE MICROSEISMIC RECORD FIRST-BREAK ENHANCEMENT METHOD  
The passive microseismic record first-break enhancement method accepts a manually picked microseismic event first break from a raw record and associated pick time. The pick time is then saved as...
US20080172180 Correction Method for Processing Seismic Traces  
This invention relates to a method for processing seismic data comprising a collection of seismic traces with different offsets, comprising the steps of: a) breaking up one or several first...
US20140297191 PREDICTING SENSITIVITY TO POSITIONING FOR SEISMIC SURVEYS  
A geophysical target-oriented approach is proposed to derive seismic sensitivity to 4D positioning mismatches, which focuses on the impact on the reflective response from the reservoir. The...
US20140019056 PROCESS FOR CHARACTERISING THE EVOLUTION OF AN OIL OR GAS RESERVOIR OVER TIME  
Disclosed is a process for characterising the evolution of a reservoir that comprises non-horizontal layers, by analyzing the changes of at least the seismic amplitudes of seismic reflections. The...
US20120095690 Methods and computer-readable medium to implement inversion of angle gathers for rock physics reflectivity attributes  
The invention relates to methods and computer-readable medium to determine seismic reflectivity attributes indicating the presence of hydrocarbons in earth. In several embodiments, the methods and...
US20140081577 Method For Calibrating Seismic Imaging Velocities  
A method for adjusting an isotropic depth image based on a mis-tie volume is provided. The method generally includes obtaining an isotropic velocity volume for a geophysical volume, obtaining an...
US20130289879 PROCESS FOR CHARACTERISING THE EVOLUTION OF A RESERVOIR  
The application discloses a process and apparatus for characterising the evolution of a reservoir by co-analyzing the changes in the propagation times and seismic amplitudes of seismic...
US20140350861 MULTI-PARAMETER INVERSION THROUGH OFFSET DEPENDENT ELASTIC FWI  
Method for multi-parameter inversion using elastic inversion. This method decomposes data into offset/angle groups and performs inversion on them in sequential order. This method can significantly...
US20120209530 INTERBED MULTIPLE PREDICTION  
A method and apparatus for predicting interbed multiples is described herein. Trace geometries may be generated for one or more desired shot-side traces, one or more desired receiver-side traces,...
US20140114578 SEISMIC SOURCE AND METHOD FOR INTERMODULATION MITIGATION  
A method for calculating intermodulation noise generated with one or more land seismic sources. The method includes receiving seismic data generated by actuating the one or more land seismic...
US20150219778 Method for Obtaining an Adapted Sequence of Shot Predictions From a Raw Sequence of Shot Predictions  
Method for obtaining an adapted sequence of M shot predictions (tn) from a raw sequence of M shot predictions (s), including: for a constraint type, determining one or several fixed constraints...
US20140309938 SPHERICAL HELIX PROJECTION MICROSEISMIC NETWORK  
Methods and systems for designing or configuring a microseismic monitoring network are described. The design is based on a regular and homogeneous repartitioning of seismic sensor locations...
US20150185348 METHODS AND SYSTEMS FOR ATTENUATING RESIDUAL ACOUSTIC ENERGY IN SEISMIC DATA  
Systems and methods for attenuating residual acoustic energy in marine seismic data are disclosed. In one aspect, a number of gathers are recorded for consecutive activations of a marine source....
US20150226868 METHOD FOR MICROSEISMIC EVENT MOMENT MAGNITUDE ESTIMATION  
A method for estimating moment magnitude of a seismic event occurring in subsurface formations includes measuring seismic signals at each of a plurality of seismic sensors disposed in a selected...
US20150219777 Seismic-Detection Sensor Device for Vertical Transportation Equipment  
A seismic-detection sensor device includes two accelerometers having different sensitivities. The seismic-detection sensor device provides excellent precision and operability monitoring.
US20090222210 Method for determining the earthquake protection of buildings  
According to the invention, in the method for determining the earthquake protection of buildings, the natural frequency of a building is determined. Moreover, the natural frequency of the ground...
US20120004849 EFFICIENT WINDOWED RADON TRANSFORM  
One or more computer-readable media including computer-executable instructions to instruct a computing system to define a Radon transform convolution mask; specify an angle that defines a line...
US20140336940 ESTIMATION OF Q-FACTOR IN TIME DOMAIN  
A method can include receiving seismic traces associated with a geologic environment; determining time domain stretch values for individual wavelets in at least a portion of the seismic traces...
US20130245955 CORRECTING GEOMETRY-RELATED TIME AND AMPLITUDE ERRORS  
A method for predicting a plurality of surface multiples for a plurality of target traces in a record of seismic data acquired in a survey area. The method includes selecting a target trace and...
US20070271040 Method for seismic migration in anisotropic media with constrained explicit operators  
Explicit constrained depth extrapolation operators are constructed with variable operator lengths depending on maximum phase angles, accuracy condition, anisotropy parameters, and wavenumber....
US20090319190 SYSTEM AND METHOD FOR SEISMIC TRACE ANALYSIS  
Seismic data are processed to reduce or eliminate aliasing due, for example to sparse or irregular sampling. An iterative method includes an inhibiting function used in conjunction with a function...
US20100017138 SYSTEM HAVING A NETWORK CONNECTED TO MULTIPLE DIFFERENT TYPES OF SURVEY SENSORS  
A system includes a network, multiple different types of survey sensors connected to the network, and a controller connected to the network. The multiple different types of survey sensors are...
US20150120197 Method of Transforming Reservoir Properties to a Seismic Attribute for Hydrocarbon and Lithology Identification  
Embodiments of a method for transforming petrophysical properties into seismic attributes are disclosed herein. Embodiments of the method utilize an AVO expression which maps lithology to P-wave...
US20080319674 MULTI-ATTRIBUTE SEISMIC CHARACTERIZATION OF GAS HYDRATES  
An appropriate rock physics model is chosen from well-log data and/or experience. The rock physics model is then used to generate a plurality of attribute values, including compression and shear...
US20090234622 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...
US20140052379 DETECTION OF SINKHOLES OR ANOMALIES  
Systems and methods are provided for detecting subterranean properties associated with a geological domain. One example method may comprise obtaining waveform information corresponding to a...

Matches 1 - 50 out of 375 1 2 3 4 5 6 7 8 >