... of complex fault and thin layer weak reflection are significantly improved. azimuth anisotropy tsvankin effectiveness geologist asia government migration fracture geology reservoir characterization application perpendicular upstream oil & gas flatness fracture imaging orthotropic...

.... upstream oil & gas reservoir characterization exploration geophysicist interpretation neural network machine learning international dataset perpendicular samuel chamber artificial intelligence interpreter american association energy 10 society cnn crossline prediction rotation...

... exploration geophysicist bohai sea anisotropy correction migration application correction society autocorrelation upstream oil & gas international applied geoscience rotation fracture perpendicular suppression Application of 3D converted wave processing technology in imaging of gas cloud...

... splitting exploration geophysicist eigenvector rotation s-wave geophone shear-wave splitting orientation energy 10 reservoir characterization receiver american association international upstream oil & gas fracture stimulation frontier observatory rotation perpendicular...

... association applied geoscience energy 10 perpendicular society china university quantification The correction of linear fracture density and error analysis using underground well-logging data Dongsheng Cao* and Lianbo Zeng, State Key Laboratory of Petroleum Resource and Prospecting in China...

... narrow-azimuth streamer data can still be challenging in complex geologic environments. The uncertainties, often caused by relatively low resolution perpendicular to the shooting direction and weaker illuminations areas, instill less confidence for reservoir delineation and depth mapping. In this case...

... characteristic vector rotation perpendicular seismic data gas cloud area exploration geophysicist 10 wave separation Exploration and application of vector processing technology of S-Wave 3D seismic data Gong Ting*, Wang Zhaolei, Gu Xiaodi, Luo Wenshan, GaoXianwei, Zhang Yan, BGP, CNPC Summary...

... azimuth volumes are associated with discontinuities positioned perpendicular to the acquisition direction. The principal component analysis (PCA) revealed the higher variability associated with the full azimuth stack volume. The second principal component highlights features close to the edge...

... are expressed in polar angle polarization directions of SV- and P-waves angle. A source rotation is achieved by, parallel and perpendicular to the source vector. U S!V U = R T U U (4) Radiation seismic response U S V P SV P s U ! U U P SV P Synthetic seismograms are generated for the above exam- ple...

..., and coupling with anisotropic qS H -waves from transverse-horizontal sources. upstream oil & gas applied geoscience rotation p-wave perpendicular radiation radial-horizontal point source data receiver polar angle equation reservoir characterization gaiser geophysical consulting summary...

.... The observation well is located North of the treatment well, acoustic logs acquired in the treatment well. Thomsen s i.e. to the right of panel [c]. While the seismicity radial spread (i.e., anisotropy parameters were derived from a cross-dipole log, perpendicular to the source-receiver axis) is large due...

... of increasing fracture density and saturation is to reduce displacement amplitude of slow S2-waves that are polarized perpendicular to fractures relative to amplitude of fast S1-waves that are polarized parallel to fractures. This low amplitude behavior is expressed as a reduction in azimuthal subsurface...

...-waves radiated from a hori- sources. Primarily, an increase in FD and saturation reduces zontal source in the radial source-receiver direction is the S2-wave displacement amplitude, narrows azimuthal illu- same as the effect on S-waves radiated from vertical mination perpendicular to fractures...

... Presentation Type: Oral reservoir characterization orientation subsurface secondary magnetic field inversion artificial intelligence objective function tdem survey magnetic field transmitter perpendicular dipole background receiver seg international exposition conductive body upstream oil...

... to explore subsurface geology and stratigraphy of, and factors controlling development of freshwater lenses in, Padre Island. Long (length: 3 km) GPR profiles are collected, parallel and perpendicular to the shoreline of Padre Island, using 200 MHz and 350 MHz antennae. In addition, one ERI profile...

... perpendicular seismic acquisition scheme research simulation effusive facies reservoir characterization volcanic activity area frequency characteristic bohai oilfield upstream oil & gas fracture seismic simulation oilfield modeling Li , G. F. , D. S. Chang , H. Li...

... that unwanted effects of wavefield separation at large angles (angles close to perpendicular to the direction of wavefield separation) can be smoothly suppressed via tapering in the spatial K domain. Presentation Date: Monday, October 15, 2018 Start Time: 1:50:00 PM Location: Poster Station 19 Presentation...

.... Furthermore, I generate seismic responses to illustrate S- and S-waves polarized parallel and perpendicular to fractures. Radiated S-waves in ORT media will result in azimuthal variations of SP-wave amplitude, phase and timing, and present additional processing and imaging challenges. Presentation Date...

... practiceto apply standard MT inversion algorithms to invert such DAS data, despite the lack of full four component measurements at each site. This is only valid in the strictly two-dimensional (2D) case with the geoelectric strike perpendicular to the acquisition profile and for the transverse magnetic (TM...

... in directions both parallel and perpendicular to the fracture set, the fracture signature persists over all distances. Furthermore, the homogenization limit (distance at which the individual fracture anomalies are too small to be either measured or of interest) is not strictly a function of the geometric...