Matches 1 - 24 out of 24


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US20110007605 MEASUREMENT METHOD FOR A GRANULAR COMPACTION PILE USING CROSSHOLE SEISMIC TESTING  
A measurement method for a granular compaction pile 10 using a crosshole seismic test. The measurement method includes forming first to fifth measurement holes around the granular compaction pile,...
US20130121112 METHOD FOR ESTIMATING ELASTIC PARAMETERS THROUGH INVERSION OF 4D SEISMIC MEASURES  
A 4D seismic technique, where a base seismic trace is measured at a first time in a region of the subsoil, and then a monitor seismic trace corresponding to the base seismic trace is measured at a...
US20140177386 VOLUMETRIC AND NON-VOLUMETRIC SOURCES-BASED SEISMIC SURVEY AND METHOD  
A seismic survey system for surveying a subsurface. The system includes a volumetric land source buried underground for generating P-waves; a non-volumetric land source buried underground for...
US20100020642 ESTIMATING FORMATION STRESSES USING RADIAL PROFILES OF THREE SHEAR MODULI  
Maximum and minimum horizontal stresses, and horizontal to overburden stress ratio, are estimated using radial profiles of shear moduli. Inversion enables estimation of maximum and minimum...
US20070064536 Ground information processing method, ground information processing system, and earth resources system  
By nondestructively detecting a condition of ground 3 to be surveyed by using surface wave exploration means 4, using data analysis means 5 to calculate an S-wave velocity structure of the ground...
US20090116338 Identifying a stress anomaly in a subsurface region  
A method for identifying a local stress anomaly in a subsurface region, which method comprises the steps of obtaining a model of the subsurface region, which model includes a salt layer in between...
US20090003132 Estimating and Using Slowness Vector Attributes in Connection with a Multi-Component Seismic Gather  
A technique includes determining at least one attribute of a slowness vector associated with a seismic gather based on pressure data and an indication of particle motion that is measured by at...
US20140010046 Method to Separate Compressional and Shear Waves During Seismic Monitoring by Utilizing Linear and Rotational Multi-Component Sensors in Arrays of Shallow Monitoring Wells  
The present invention provides a technique to separate compressional seismic waves from shear seismic waves and to determine their direction of propagation to enhance the seismic monitoring oil...
US20090097358 Seismic Monitoring Of Heavy Oil  
A method of monitoring heavy oil recovery in a hydrocarbon reservoir including the steps of obtaining a set of acoustic signals; deriving from the obtained signals a velocity model including shear...
US20110182144 METHODS AND SYSTEMS FOR ESTIMATING STRESS USING SEISMIC DATA  
A method for estimating principal stresses of a subterranean formation from seismic data. In one embodiment, rock strength parameters from seismic data of the formation is first determined to...
US20100103774 VSP IMAGING OF ACOUSTIC INTERFACES  
A method to generate images of acoustic contrasts for structures located between at least one acoustic source and at least one receiver, said structures converting a part of the compressional...
US20120227500 Apparatus and Method for Determining Formation Anisotropy  
A method of generating an axial shear wave in a formation surrounding a wellbore comprising urging a clamp pad into contact with a wall of the wellbore, and applying an axial force to the clamp...
US20090251993 SHEAR WAVE TRANSDUCER AND METHOD OF USING THE SAME  
A wave generating device and method of using the same wherein the device is for producing a shear wave in a ground layer wherein the generated wave emanates from a bore hole in the ground layer...
US20130176823 SIMULTANEOUS JOINT ESTIMATION OF THE P-P AND P-S RESIDUAL STATICS  
Methods and systems for estimating the residual static terms for multi-component land datasets are described. A one-pass estimation simultaneously using P-P pre-stack data and P-S pre-stack data...
US20120236687 Directional Seismic Sensor Array  
A vibration sensor system for contacting the surface of a solid medium for detecting horizontally polarized shear waves and compressional waves. At least two contact points interface between a...
US20090225628 ESTIMATING SEISMIC ANISOTROPY OF SHALES  
In general, in one aspect, the invention relates to a method for determining properties of a subterranean formation. The method includes obtaining a micro-mechanical model for modeling the...
US20100135115 MULTIPLE ANISOTROPIC PARAMETER INVERSION FOR A TTI EARTH MODEL  
A method for determining values of anisotropic model parameters of a Tilted Transversely Isotropic (TTI) Earth model, the anisotropic parameters including P-wave velocity (Vp0) along a tilted...
US20110134722 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.
US20130201795 FRACTURE IDENTIFICATION FROM AZIMUTHAL MIGRATED SEISMIC DATA  
A method is described for identifying anisotropic regions in unconventional hydrocarbon reservoirs, such as in shale formations. Anisotropy can be indicative of a zone of fracturing, which may...
US20120026831 METHOD AND APPARATUS FOR MEASURING FORMATION ANISOTROPY WHILE DRILLING  
A logging system for measuring anisotrophic properties of the materials penetrated by a borehole. A downhole or “logging tool” element of the system comprises a source section that comprises...
US20120269035 Evaluating Prospects from P-Wave Seismic Data Using S-Wave Vertical Shear Profile Data  
The present disclosure relates to methods and systems for evaluating potential hydrocarbon prospect locations within a subsurface formation. First and second opposite polarity directional seismic...
US20120002505 METHOD AND APPARATUS FOR SEPARATING AND COMPOSING SEISMIC WAVES  
An approach is provided for a multi-component seismic data processing that separates P-type and S-type seismic waves in an affine coordinate system. A method for separating and composing seismic...
US20120063266 SYSTEM AND METHOD FOR ACQUISITION AND PROCESSING OF ELASTIC WAVEFIELD SEISMIC DATA  
A system and method of acquiring and processing full elastic waveform data from a vertical-force source comprises providing seismic waves into the earth from the vertical-force source, sensing...
US20160170048 SEGMENTED BASE PLATE SEISMIC SWEEPS  
Vibrators for producing seismic signals for use in oil and gas exploration are equipped with segmented base plates, each segment being independently controlled and activated. The use of an array...

Matches 1 - 24 out of 24