Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... wave-equation downward continuation shot migration without loosing significant accuracy. Introduction The zero time (lag) imaging condition has been...

Abstracts: Q Determination, Corner Frequency and Spectral Characteristics of Microseismicity Induced by Hydraulic Fracturing; #90173 (2015)

David W. Eaton

Search and Discovery.com

... be observed at propagation distances of ~ 3 km required for surface monitoring. Introduction The spatial dimensions of a microseismic event...

3D Prestack Waveform Inversion - A Real Data Example from the Rock Springs Uplift, Wyoming, #70258 (2017).

Josiane Pafeng, Subhashis Mallick, Hema Sharma

Search and Discovery.com

... inversions do not account for complex wave propagation effects, which are important for accurate inversion. Some methods like prestack waveform...

Velocity Model Building Using Tilted Orthorhombic Depth Imaging for Full Azimuth Seismic Data

Yunfeng (Fred) Li, Qiaofeng Wu, Chuen-Song Chen

GCAGS Journal

... variation for seismic wave propagation, or azimuthal anisotropy. In these cases, the transverse isotropic assumption is insufficient to explain...

PP-PS depth-domain AVA inversion

Maud Cavalca, Robin P. Fletcher

International Meeting for Applied Geoscience and Energy (IMAGE)

... to irregular illumination (due to limited/irregular acquisition geometries and/or propagation in a complex overburden), are assumed to be corrected...

The Marchenko internal multiple elimination based on focal transform and its application on seismic data reconstruction

Zhen Liao, Xiaohong Chen, Wenjin Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the matrix, H indicates the conjugate transpose of the matrix. W is an operator that describes the downward wave-field propagation. By applying the principle...

Predicting pressure-dependent velocities for carbonates by linking static and dynamic elastic properties

Xuan Qin, De-hua Han

International Meeting for Applied Geoscience and Energy (IMAGE)

... by the wave propagation at the ultrasonic frequency. The color codes denote the porosities of carbonate samples determined at the ambient pressure. Each...

High-resolution FWI of converted-wave data A case study from the Edvard Grieg field

Per Eivind Dhelie, Vidar Danielsen, Jon Andre Haugen, Emilie Davenne, Knut Richard Straith, Alireza Roodaki, Manuel Peiro, Alexis Fotsoh, Wenlei Gao, Nabil Masmoudi, Andrew Ratcliffe

International Meeting for Applied Geoscience and Energy (IMAGE)

...High-resolution FWI of converted-wave data A case study from the Edvard Grieg field Per Eivind Dhelie, Vidar Danielsen, Jon Andre Haugen, Emilie...

Interpretation of first-arrival times of borehole acoustic measurements acquired in high-angle wells using 3D eikonal numerical simulations

Feiyue Xia, Carlos Torres-Verdín

International Meeting for Applied Geoscience and Energy (IMAGE)

..., SPWLA-2005-A. Sinha, B. K., E. Simsek, and Q. H. Liu, 2006, Elastic-wave propagation in deviated wells in anisotropic formations: Geophysics, 71, no. 6, D191...

Rock Mechanical Behavior at the Inch Scale in a Thinly Laminated Unconventional Formation

Smaine Zeroug, Bikash K. Sinha, Ting Lei, John Jeffers

Unconventional Resources Technology Conference (URTEC)

... compressional (P) and shear (S) wave velocities for propagation in the vertical X3-direction—the Cij estimated values are C33 for P and C44 and C55...

Influence of bentonite layers on the quality of prospective Silurian-Ordovician shale formations in the Baltic Basin, Poland

Radomir Pachytel

International Meeting for Applied Geoscience and Energy (IMAGE)

... propagation, mainly due to ductile behavior, a decrease of friction on bedding planes and weakening of elastic parameters. The purpose of the study...

Stress rotations and compounding pore-pressures from multiple well injections

Jonathan P. McKenna, Christine Remington, Michael S. Blaz

International Meeting for Applied Geoscience and Energy (IMAGE)

... to create maps of high and low pore-pressures which, in turn, can be used to guide a dynamic slurry propagation model and estimate fluid and proppant...

Chapter 10: Rock Physics Relationships between Elastic and Reservoir Properties in the Haynesville Shale

Kyle T. Spikes, Meijuan Jiang

AAPG Special Volumes

...., and J. Douma, 1988, Elastic wave propagation in media with parallel fractures and aligned cracks: Geophysical Prospecting, v. 36, p. 571–590. Tosaya...

Abstract: Estimating Q from Hydraulic Fracture Related Seismicity; #90187 (2014)

Gisela Viegas, Adam Baig, Ted Urbancic, Eric von Lunen, Jason Hendrick, and Sean Lovric

Search and Discovery.com

... the way the seismic energy is dissipated during wave propagation. If not properly accounted for attenuation can bias calculations of earthquake source...

ABSTRACT: New Wave Parameters Due To Shoaling, by W. F. Tanner; #90941 (1997).

Search and Discovery.com

ABSTRACT: Comparing of an Estimated Sonic Log with Measured Sonic Log; #90118 (2011)

Felix Oghenekohwo and George Smith

Search and Discovery.com

... of logging can be fraught with errors that can lead to wrong interpretation. One of such data is the shear wave velocity which in most cases...

Joint VTI and Mud Slowness Inversion Using Multiple Modes and Adaptive Weighting

Mark Collins

Unconventional Resources Technology Conference (URTEC)

... of the horizontal shear wave and ρ is the formation density. A shear wave with polarization and propagation in any vertical plane will have a shear bulk modulus of 2...

Simultaneous Acquisition of 3D Surface Seismic Data and 3C, 3D VSP Data

P. E. Constance, M. B. Holland, and S. L. Roche, P. Bicquart, B. Bryans, S. Gelinsky, J. G. Ralph, and R. I. Bloor

Houston Geological Society Bulletin

... divergence correction was applied to the trace data and a single gain applied to all displays. These data illustrate many modes of wave propagation, all...

Application of Fullwaveform Tomography to VSP Walkaway Data

Eric Takam Takougang, Youcef Bouzidi

Petroleum Exploration Society of Australia (PESA)

... tomography was used to obtain high resolution rock properties (P-wave), and structural information near and away from the borehole, following a specific...

Abstract: Workflows for Sweet Spots Identification in Shale Plays Using Seismic Inversion and Well Logs; #90187 (2014)

Yexin Liu

Search and Discovery.com

...ave velocity (fast and slow shear waves) can be extracted. According to the acoustic wave propagation theory, Young’s Modulus, Poisson ratio, bulk mo...

Resolving complex velocity and gas absorption features with full-waveform inversion in the Taranaki Basin, New Zealand

Yuelian Gong, Dominic Fell, Robert Hunn, Richard Bisley, Alexander Karvelas, Bee Jik Lim

Petroleum Exploration Society of Australia (PESA)

... of diving-wave FWI, Q-FWI, and FWI using reflection energy to resolve a high-resolution velocity and Q model. This detailed model enabled the final...

Abstract: An Azimuthal-AVO-Compliant 3D Land Seismic Processing Flow; #90171 (2013)

David Gray, Darren Schmidt, Nirupama Nagarajappa, Charles Ursenbach, and Jon Downton

Search and Discovery.com

... of wave propagation. In an isotropic AVO processing sequence this is often done by applying a data driven geometrical divergence correction based...

Abstract: Application of Acoustic Waveform Tomography to Marine Seismic Reflection Data Contaminated with Strong Guided Waves; #90187 (2014)

Rajesh Vayavur and Andrew. J. Calvert

Search and Discovery.com

... assumes 2D wave propagation, the 3D seismic data are corrected for geometrical spreading, i.e. the data were multiplied by t^0.5. Shot AAPG Search...

Coupling Geomechanics and Petrophysical Measurements for Production Enhancement in Organic-Rich Shales

Azra N. Tutuncu, Daisuke Katsuki, Binh T. Bui, Anton Padin, Bryan McDowell

Unconventional Resources Technology Conference (URTEC)

... that is the aim of using 4-D monitoring methodologies. Wave propagation in shale formations with complex microstructure provide in depth information regarding...

Time-domain extended-source full-waveform inversion for acoustic vertically transversely isotropic media: Theory and numerical validation

Gaoshan Guo, Stephane Operto, Hossein S. Aghamiry

International Meeting for Applied Geoscience and Energy (IMAGE)

.../10.1088/0266-5611/32/1/015007. Virieux, J., 1984, SH-wave propagation in heterogeneous media: Velocity-stress finite difference method: Geophysics, 49...