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Showing 29,091 Results. Searched 195,387 documents.
Abstract: Image Enhacement After Migration; #90174 (2014)
John C. Bancroft, Thais Guirigay, and Helen Isaac
Search and Discovery.com
.... Introduction There is considerable opposition to applying deconvolution after migration. One reason is that migration lowers the frequency content...
2014
Methods of estimating wavelet stationarity, stabilizing non-stationarity, and evaluating its impact on inversion: A synthetic example using SEAM II Barrett unconventional model
Jesse Buckner, Michael Fry, Joe Zuech, Peter Harris, Bill Shea
International Meeting for Applied Geoscience and Energy (IMAGE)
... to generate a single 3D volume. Introduction Because of lack of quality well data, or inability to handle large, full density pre-stack data volumes, QI...
2023
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...
2023
Abstract: Fracture Detection in the Migrated Domain: Practical Aspects of Prestack Time Migration of Azimuthally-limited 3D Land Data Volumes; #90171 (2013)
Mike Perz, Juefu Wang, and Ye Zheng
Search and Discovery.com
... prestack migration: (i) azimuth sectoring; (ii) common offset vector gathering; and (iii) prestack interpolation. Introduction As the focus continues...
2013
Advanced Approach Toward Understanding Geologically Complex Area Using MDRS (Multi-Dip CRS): A Case Study
Naoshi Aoki, Shogo Narahara, Akihisa Takahashi, Tsukasa Nishiki
Indonesian Petroleum Association
... normal moveout (NMO) or dip moveout (DMO). We, however, commonly observe conflicting dipping events on zero-offset section. A conventional CRS stack...
2011
Near Surface Imaging using Joint Seismic Gravity Inversion
Teguh Suroso, Boko Nurdiyanto, Trilaksita B. Nugraha, Lita Novitasari, Heri Winarto
Indonesian Petroleum Association
... model will obtain successful statics solutions. Prestack time migration derived from joint seismic gravity inversion had improvements in the lateral...
2019
ABSTRACT: Anisotropic PP and PSv Prestack Depth Migration of 4C _OBC_ Seismic Data, Pamberi, Offshore Trinidad
Tony Johns, Carmen Vito and Raul Sarmiento
Geological Society of Trinidad & Tobago
...ABSTRACT: Anisotropic PP and PSv Prestack Depth Migration of 4C _OBC_ Seismic Data, Pamberi, Offshore Trinidad Tony Johns, Carmen Vito and Raul...
2007
Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance
Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
... migration velocity (isotropic velocity). The outputs are the inverted anisotropy parameter volumes of and . The prestack gathers are generated from a time...
2016
Abstract: Converted-Wave Prestack Time Migration with a New Approximate Migration Weight; #90224 (2015)
Chuck Ursenbach and Peter Cary
Search and Discovery.com
...Abstract: Converted-Wave Prestack Time Migration with a New Approximate Migration Weight; #90224 (2015) Chuck Ursenbach and Peter Cary Datapages...
2015
Abstract: Kirchhoff Prestack Time Migration with Angle Domain Common Image Gathers; #90174 (2014)
Jianhua Pan, Robert Tilson, Gerry Schlosser, and Elvis Floreani
Search and Discovery.com
...Abstract: Kirchhoff Prestack Time Migration with Angle Domain Common Image Gathers; #90174 (2014) Jianhua Pan, Robert Tilson, Gerry Schlosser...
2014
Quality Data at a Reduced Price: Innovative Approaches in 3-D Acquisition and Processing
Mars E. Semaan, Michel F. Bee, Maryanto, Gerard Dufourd, Eddy A. Sentani
Indonesian Petroleum Association
... Moveout (DMO) correction using a Kirchoff algorithm Velocity analysis every 0.5 km, followed by final mute picking Normal Moveout (NMO...
1995
The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)
Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,
Search and Discovery.com
... prestack depth migration” in 2006 have used above workflow (Figure 5) . Preprocessing included time varying bandpass filter, automatic gain control (AGC...
2011
Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)
J. Patrick Butler and Randy Kolesar
Search and Discovery.com
... are then ray traced to create travel times tables for prestack depth migration. However, though it has been very successful on large 3D marine...
2014
Abstract: Seismic Imaging of Imbricate Structures in Mountainous Area: Case Studies; #90211 (2015)
Nanxun Dai, Oz Yilmaz, Weizhong Wang, and Jie Zhang
Search and Discovery.com
... migration of shot gathers from topography. Theoretical examples and real data cases will be exhibited to demonstrate the methodology. Introduction...
2015
Abstract: Rank-Reduction-Based Trace Interpolation; #90172 (2014)
Stewart Trickett, Lynn Burroughs, Andrew Milton, Larry Walton, Rob Dack
Search and Discovery.com
... migration. Introduction For optimal 3D prestack migration, input traces should be evenly and densely sampled in: Inline midpoint Crossline...
2014
Delineating Thin-Bed Tight Gas Sand Reservoir with Prestack Joint PP/PS Inversion, #41363 (2014)
Zhiwen Deng, Ming Qiang, Shuanghu Shi, Xiaofeng Liang, Yang Zhu, Yijun Zhou, Qingjia Tong
Search and Discovery.com
..., this method provides PP and PS wave velocities suitable for pre-stack migration. The prestack PP and PS wave joint stochastic inversion is achieved by using...
2014
Using Multi-Focusing 3-D Diffraction Imaging to Predict Fracture Swarms in Unconventional Reservoirs
Marianne Rauch-Davies, Alex Berkovitch, Kostya Deev
Unconventional Resources Technology Conference (URTEC)
... on the MultiFocusing moveout time correction, which adequately describes not only reflection but also diffraction events. Optimal summation...
2013
Application of VTI PSDM for imaging carbonate structures
Seyed Yaser Moussavi Alashloo, Deva Ghosh, Yasir Bashir, Amir Babasafari
Geological Society of Malaysia (GSM)
... PETRONAS, 32610 Seri Iskandar, Malaysia *Corresponding author email address: [email protected] Introduction Prestack depth migration (PSDM...
2018
ABSTRACT: Anisotropic Imaging of Okubotin 3-D Seismic Survey; #90115 (2010)
Adeboye A. Oni, Gislain Madiba, and Berti Ozumba
Search and Discovery.com
... to counter these challenges in Shell Nigeria is the introduction of anisotropic prestack depth migration for all newly acquired long offset 3D seismic data...
2010
Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals
Mike Perz, Josef Heim, Candace Bruins
Unconventional Resources Technology Conference (URTEC)
...Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals Mike Perz, Josef Heim, Candace Bruins URTeC: 399...
2019
Extended Abstract: Full Waveform Inversion for Detailed Velocity Analysis
Jerry Kapoor, Denes Vigh
GCAGS Transactions
... on a GOM data set: Society of Exploration Geophysicists 2010 Expanded Abstracts, p. 957–961. Extended Abstract Introduction An accurate earth model...
2016
Abstract: Beam Migration of Canadian Foothills Datasets; #90171 (2013)
Tianfei Zhu, Terrence Krishnasamy, and Daniel Trad
Search and Discovery.com
..., Canada Summary We have developed a beam method for shot-domain prestack depth migration. Based on a complex-ray Maslov formulation, this method overcomes...
2013
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...
2014
High Resolution Seismic Data Derived From Prestack Inversion and Machine Learning to Accurately Position Horizontal Wells in the Midland Basin, Texas
Robert Meek, Buzz Davis, Hector Bello
Unconventional Resources Technology Conference (URTEC)
...High Resolution Seismic Data Derived From Prestack Inversion and Machine Learning to Accurately Position Horizontal Wells in the Midland Basin, Texas...
2017