Fault Shadow Correction Methodology

P. Julien, J. L. Broyer, O. Bernet-Rollande

Indonesian Petroleum Association

... such as multioffsets tomography or prestack depth migration which are often recommended for such a problem. Our fault-shadow predictions using this simple method have...

A Seismic 3C3D/4D Experiment in a Production Field in the Middle Magdalena Valley

William Agudelo, Saúl Guevara, Germán Ojeda, Gabriel Álvarez

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... and the migration aperture etc.). In Phase IV, the 100% solution 3D design is derived which will likely mitigate all of the identified geophysical risks...

Abstract: White Noise Suppression in the Time Domain … Part II; #90174 (2014)

Patrick Butler

Search and Discovery.com

...) and improve our ability to interpret it but prestack migration most of the time is a good noise suppressor too. If the prestack is noisy the white noise...

Abstracts: Getting Better Shear-wave Data over Heavy Oil: Rational for Buried Acquisition; #90173 (2015)

Rob Kendall and Richard A. Bale

Search and Discovery.com

... of the shorter wavelengths associated with any given frequency. This is demonstrated in Figure 1 which shows a comparison of prestack depth migrated PP...

Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey

Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham

Indonesian Petroleum Association

... the acquisition footprint effects. All three azimuth sectors were iteratively prestack depth migrated (PSDM) with a Rapid Beam Imaging (RBI) migration...

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)

... imaging performed with Q-Kirchhoff prestack depth migration to compensate for the complex kinematics and gas-related absorption effects observed...

Joint Impedance Inversion Transforms Aid Interpretation, by Satinder Chopra, Ritesh Kumar Sharma, Mohammad Hossein Nemati, and Peter Cary; #41667 (2015).

Search and Discovery.com

Abstract: Efficency and Accuracy Enhancement for One-way Wave Equation Migration Through Improved Mapping Function in the Time-shift Imaging Condition; #90171 (2013)

Mark Ng

Search and Discovery.com

...Abstract: Efficency and Accuracy Enhancement for One-way Wave Equation Migration Through Improved Mapping Function in the Time-shift Imaging...

Subsurface seismic imaging using drill bit noise

Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

.... In the final step, we migrate each dataset separately for an image in depth using a prestack depth migration (PSDM) algorithm and a three-layer...

Exploration of Deepwater Regions Offshore India

Roberto Fainstein, Rajesh Kalra

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Conclusions Methodology of time/depth imaging offshore India was described inclusive of Anisotropic Prestack Depth Migration that allows for significant...

Tulip Field 3D Coil Shooting Survey„Preliminary Data Processing Results

Michele Buia, Riccardo Vercesi, Michelle Tham, Dmitry Nikolenko, Andreas Tyasbudi Waluyo, Swee Leng Ng

Indonesian Petroleum Association

... for the final round of 3D denoise routine in common offset and common azimuth domain and then to prestack migration. This was achieved by organizing the data...

PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study

Morgan P. Brown, Joseph H. Higginbotham, Dave List, Chris Lang

Unconventional Resources Technology Conference (URTEC)

... to find optimal drill locations and wellbore orientation (Sena et al., 2011). While prestack depth migration (PSDM) is commonly applied in “complex...

3D3C seismic exploration for tight sand reservoirs: Case study in western China

Wang QinGeng, Hu Shanzheng, Zhao Rongrong, Xie Wanxue, Zhou Ming, Ren Cong, Jing Longjiang, Luo Ji

International Meeting for Applied Geoscience and Energy (IMAGE)

... the converted wave statics problem effectively in this study area. By using the anisotropic prestack time migration technique for converted wave in VTI...

PSDM for unconventional reservoirs? A Niobrara Shale case study; #80405 (2014)

Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez, Dave List, Chris Lang

Search and Discovery.com

...., 2011). Introduction While prestack depth migration (PSDM) is commonly applied in “complex” plays such as the sub-salt Gulf of Mexico, it has been...

Abstract: A Joint LSPSM/Inversion Algorithm for High Resolution Time Lapse Imaging; #90187 (2014)

Abdolnaser Yousefzadeh and John C. Bancroft

Search and Discovery.com

... to the production or injection of fluids. A joint least squares Kirchhoff prestack migration (LSPSM) of both baseline and monitor data is introduced which attenuates...

Seismic Reservoir Characterization of the Bone Spring and Wolfcamp Formations in the Delaware Basin with Efforts at Quantitative Interpretation - A Case Study

Satinder Chopra, Ritesh Kumar Sharma, James Keay

Unconventional Resources Technology Conference (URTEC)

... of this large data volume was completed in May 2018 with anisotropic prestack time migration (PSTM) gathers and stacked volume with 5D interpolation...

Application of Illumination Compensation to Irregular Surface Areas Imaging; #40773 (2011)

Yueming Ye and Ru-shan Wu

Search and Discovery.com

... and the largest elevati on is 58m, with strong local variation. Figures 6a, 6b ar e the prestack depth migration results for the actual data, which is based...

Extended Abstract: Exploring the Missing Blind Zone in the Gulf of Mexico Shelf

Selim Simon Shaker, Dave Reynolds, Walter W. Wornardt

GCAGS Transactions

... cross over, and reflectivity becomes very weak and occasionally cannot be recognized on the seismic stacking velocity (prestack time migration) lines...

Reservoir Description using hybrid seismic inversion: A 3D case study from María Inés Oeste field, Argentina

M. Benabentos, S. Mallick, M. Sigismondi, J. Soldo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... been successful in many parts of the field, it has also resulted in some dry wells. The primary purpose of this investigation was to use prestack...

Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)

Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson

Search and Discovery.com

... the pre-stack time migration image and the anisotropic pre-stack depth migration image were disappointingly small. With the second processing, we...

Abstracts: The Conventional and Non-conventional Seismic Differencing; #90173 (2015)

Vanja Vracar and Robert J. Ferguson

Search and Discovery.com

... in the inverse data space. 75th Ann. Internat. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 1522–1525. Du, Y. [2007] Prestack depth migration methods...

Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)

Jianhua Pan

Search and Discovery.com

.... A., and Berkhout, A. J.,1987, Principle of prestack migration based on the full elastic two-way wave equation. Geophysics, 52, 151-173. Figure 1: Foothills...

An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification

Carlos Jesus, Wagner Moreira Lupinacci, Patricia Takayama, Joana Almeida, and Danilo Jotta Ariza Ferreira

AAPG Bulletin

...An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification Carlos Jesus, Wagner...

Seismic Depth Imaging of Structures with Complex Overburden in Offshore Ukraine; #40721 (2011)

Oleksandra Tiapkina and Zynovly Voitsytski

Search and Discovery.com

... being performed in the time domain, and prestack depth migration (PSDM) has as yet not become quite commonplace for the Ukrainian seismologist...

Seismic Imaging and Interpretive Model Building in the Colombian Andes

Rob Vestrum

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... as compared to the prestack time migration of the same data. INTRODUCTION Anisotropic depth migration in thrust-belt environments has the greatest...