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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

Interpretative PSDM Workflow for Solving Complex Imagery Below Faults and Carbonates Reefs in South Mahakam, Kutai Basin: An Interpreters Point of View

Cepi Muhamad Adam, Nadir Abdoun, Bertrand Duquet, Florent Bertini, Yves Le Stunff

Indonesian Petroleum Association

.... Initial Velocity Model and Shallow Horizons Interpretation A first Kirchhoff depth migration was run using an initial smoothed velocity model derived...

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...

Time-Lapse WAW VSP Imaging of an Unconventional Reservoir Using DAS Fiber Optics

J. Andres Chavarria, Dan Kahn, David Langton, Steve Cole, Xinyang Li

Unconventional Resources Technology Conference (URTEC)

... an Eagleford project (Teff et al. 2016). In that study it was shown that prestack Kirchhoff depth migration was a suitable tool to spatially assess...

Seismic Foldout: The Striking Similarities between Namibia and Brazils 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...

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

...Abstract: Fracture Detection in the Migrated Domain: Practical Aspects of Prestack Time Migration of Azimuthally-limited 3D Land Data Volumes; #90171...

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...

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...

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...

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...

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...

Abstract: Pre-Stack Inversion: An Extension of AVO for Lithology and Hydrocarbon Fluid Quantification

Rick Wallace and Roger Young

Houston Geological Society Bulletin

... content. The method has been successful on Canadian and international seismic data. The input gathers were pre-stack migrated with a Kirchhoff migration...

Geological Input Valuable in Seismic Velocity Analysis, by Supratik Sarkar; #41118 (2013).

Search and Discovery.com