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The AAPG/Datapages Combined Publications Database
Showing 700 Results. Searched 200,357 documents.
Elastic FWI for joint Vp, Vs and density inversion
Peng Shen, Uwe Albertin, Hermes Malcotti, Josh Haataja
International Meeting for Applied Geoscience and Energy (IMAGE)
.... They are not removed by the acoustic modeling and Kirchhoff-reflectivity imaging condition in a typical migration algorithm, hence enabling a post-migration recovery...
2024
Application of Full Waveform Inversion to Resolve an Eroded Shallow Carbonate Platform, North Madura, East Java, Indonesia
David Cavalin, Nurrul Ismail, Tom Paten, Kola Agbebi, Dave Lim
Indonesian Petroleum Association
... m with velocity variation of around 325 m/s. A vertical section in Figure 7 compares the results of the Kirchhoff Pre-Stack Time Migration (KPSTM...
2019
Seismic Data Processing For a Crucial 2014 2D Seismic Data Acquisition Decision in S Area, South Sumatra Block, South Sumatra, Indonesia
Gerry R. Hutabarat, Danar Yudhatama, Erwin Kusumah, Yusnita Yunus, Stephen M. Scott
Indonesian Petroleum Association
...). Prestack Kirchhoff time migration (PSTM) is the most popular migration technique in the seismic data processing industry because of its simplicity...
2015
2.2 Basement Involved: 2.2.3 Passive Margins: Guyana Offshore
W. J. Jankowsky and G. Schlapak
AAPG Special Volumes
... of hydrocarbons. Chapter 5: Special Processing and Interpretation Techniques Proper time migration techniques (Kirchhoff) and an extensive statistical...
1983
Least-squares reverse time migration of seismic source coding based on Shearlet transform
Yingkaer Nabi, Xiangbo Gong, Zhuo Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the subsurface medium. Migration methods commonly used in industrial processes include Kirchhoff ray migration, one-way wave fluctuation equation...
2022
Diffraction separation based on envelop and optimized stacking
Wentao Mu, Weiyi Zhang, Jianlei Zhang, Zhenping Tian
International Meeting for Applied Geoscience and Energy (IMAGE)
... model is utilized to test our method. We create the dip-angle gather using angle domain Kirchhoff migration with the dip ranging from -80 degrees to 80...
2024
Attributes Assisted Seismic Interpretation in Pre-Stack Time versus Depth Migration Data; #41637 (2015)
Tengfei Lin, Hang Deng, Zhifa Zhan, Zhonghong Wan, Kurt Marfurt
Search and Discovery.com
... with depth. Methodology For the Kirchhoff prestack time migration (PSTM), the total traveltime t is the sum of source to scatter point time...
2015
The Only Complete Regional Perspective: RTM Re-Processing Gives a New Look at the Gulf of Mexico Continental Margin
Barbara Radovich, Brian Horn, Peter Nuttall, Adrian Mcgrail, ION Geophysical
GEO ExPro Magazine
... Oligocene and Miocene expansion updip and the linked contraction to the south. Comparison of original Kirchhoff migration (left) and the reimaged RTM (right...
2011
Integrating Seismic Imaging and Inversion
Francisco Bolivar, Richard Cooper, Lucy MacGregor, Jacqueline O’Connor, Jeff Codd, David Kessler
GEO ExPro Magazine
... and fluid properties. Depth migration algorithms exist to assist in determining reservoir architecture; however, these are often applied in isolation from...
2017
True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)
M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin
Indonesian Petroleum Association
... and Kirchhoff migrated data were resolved separately by an AGC pre-migration in the CBPSDM case and the application of relative postmigration/pre...
2011
Critical Depth Uncertainty Analysis for Accurate Well Planning at Tangguh
Nurfiana Rachmawati
Indonesian Petroleum Association
... Proceedings, 2017 CBM Pre-Stack Depth Migration Kirchhoff migration is one of the most popular seismic imaging methods due to its efficiency...
2017
Full-waveform inversion and FWI imaging for land data
James Sheng, Cristina Reta-Tang, Faqi Liu, Alfredo Vzquez Cant, Alejandro Cabrales Vargas
International Meeting for Applied Geoscience and Energy (IMAGE)
... portion of the model. This step targets the low to mid frequency components and has the most impact on migration kinematics. Tomography to resolve...
2022
A new reverse time migration denoising method based on diffusion filtering with X-shaped denoising operator
Chongpeng Huang, Yingming Qu, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... categories of prestack depth migration methods. The first category is based on ray theory, such as Kirchhoff migration (Kuo and Dai, 1984...
2022
Resolving geological complexity with legacy streamer survey, part 2: Application of DM FWI to sub-optimally acquired data
Nebojsa Pralica, Milos Cvetkovic, Seet Li Yong, Daniel Davies, Jon Rogers
International Meeting for Applied Geoscience and Energy (IMAGE)
... of DM FWI on 2D data, a specific example of a near-surface channel causing a disruption in the underlying geology was chosen. The Kirchhoff Pre-Stack...
2024
Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation; #40504 (2010)
Patrícia P. Ferreira, Marco Antonio, Cetale Santos, and Luiz Landau
Search and Discovery.com
..., the estimated multiples are then subtracted from the input data. Instead of using the Kirchhoff summation process, wave plane shots were employed...
2010
Elastic full-wavefield inversion for presalt carbonate reservoir characterization in offshore Brazil
Young Ho Cha, Partha Routh, Olivier Burtz, Valeriy Brytik, Ratnanabha Sain, Jeffrey Sitgreaves, Jay Barr, Dez Chu, Michael Passarello
International Meeting for Applied Geoscience and Energy (IMAGE)
...) Vp/Vs (b) Figure 4: Kirchhoff migration gathers with the FWI initial model (a) shown in Figure 3(a) and the final model of Stage 1 with FWI (b) shown...
2022
2D Survey Earth Model Building and Depth Imaging Using 3D Grid-Based Tomography Technology
Eric Pearson, Suyang Chen
Indonesian Petroleum Association
... was performed with a standard Kirchhoff migration algorithm to provide depth migrated common image point gathers for picking the residual moveout...
2012
Analysis of geologic structures using deep sonic imaging
Nobuyasu Hirabayashi, Leon Dahlhaus, Rajeev Kumar, Jeroen Jocker, Erik Wielemaker, Manish Lal Khaitan, Charles Naville
International Meeting for Applied Geoscience and Energy (IMAGE)
..., which is a Kirchhoff migration with coherence weighting for virtual reflectors, provides high-resolution images. A new structural analysis method...
2024
A Structural Analysis of the Green Knoll Salt Dome Located in Southeast Green Canyon, Gulf of Mexico
Randy Broussard, Abu K. M. Sarwar
GCAGS Transactions
... DOG GC/WR/AT from WesternGeco (Fig. 2). For optimal clarity and resolution, both Kirchhoff migration and one-way wave equation migration (WEM) were...
2013
Seismic Foldout: The Striking Similarities between Namibia and Brazils Conjugate Margins
Pedro V. Zalan, Randall Etherington, Milos Cvetkovic, TGS
GEO ExPro Magazine
... EXPLORATION OPPORTUNITIES The Striking Similarities between Namibia and Brazil’s Conjugate Margins NW Pelotas 2D Kirchhoff PSDM Stack NE Namibia 2D...
2022
PP-PS depth-domain AVA inversion
Maud Cavalca, Robin P. Fletcher
International Meeting for Applied Geoscience and Energy (IMAGE)
...-domain inversion scheme accounting for both PP and PS illumination effects. We implement the approach in the context of Kirchhoff depth migration...
2023
Barents Sea: A First Look at New High Resolution 3D Multicomponent Seismic
Rune Sakariassen, Nicola O'Dowd, Sören Naumann, PGS
GEO ExPro Magazine
... NAUMANN; PGS PGS conventional Kirchhoff migration. The survey design, alongside shooting in the dip direction to the major fault According...
2018
Revealing the discontinuities by 3D prestack diffraction separation and imaging
Chuangjian Li, Suping Peng, Xiaoqin Cui, Peng Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... results obtained using the 3D Kirchhoff migration method are displayed in Fig. 4(a). Channel edges appear to be masked by reflections, although...
2022
New Imaging Results and Improved Interpretation of Late Triassic Depositional Features within the Browse Basin, North West Shelf of Australia
Jarrad Paul Grahame, Tran Thinh To
Australian Petroleum Production & Exploration Association (APPEA) Journal
..., carbonate play, Late Triassic, least-squares Q Kirchhoff pre-stack depth migration, Maxima 3D, North West Shelf, Scott Reef, time-lag full waveform...
2022
Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study
Andreas Waluyo
Indonesian Petroleum Association
... migration workflow that includes designature to zero phase, random and linear noise attenuation, multiple elimination, Kirchhoff prestack depth...
2014