Combining PSDM and Seismic Modeling to Reduce Uncertainties in Time Structural Interpretation

William Agudelo, José Fernando Gamboa, Saúl Guevara, Carlos Piedrahita, Luis Ernesto Rojas, Martín Morales, Héctor Alfonso

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... or horizontal mode. In the vertical mode every 25 CDPs RMO was computed and corrected using time tomography. In the horizontal mode it is needed...

EXTENDED ABSTRACT: Advances and Challenges in Seismic Data Processing and Imaging for Geologically Complex Areas

Rubén D. Martínez

GCAGS Transactions

... interpretation and prospect generation. Seismic imaging in depth has also evolved. Velocity model building using true azimuth 3D tomography is used...

Illuminating the Complex Geology of the UK Faroe Shetland Basin

Antonio Castiello, Gareth Venfield, Jens Beenfeldt

GEO ExPro Magazine

... precisely. The VMB employed in this project is a combination of highresolution Full Waveform Inversion (FWI) and reflection tomography, constrained by both...

Seismic Foldout: FWI Imaging Under Complex Geological Anomalies

Adriana Citlali Ramirez, Simon Baldock, Stuart Fairhead, TGS

GEO ExPro Magazine

... applied) from 2010 verlaid with the tomography-based velocity model from 2010 (the mass transit complexes in the shallow section generate signal...

A Breakthrough of Bekapai Converted S-Wave Processing and its Positive Impact to Structural Interpretation

Effendy Siawira, Andy Kristianto, Jaques Bonnafe, Natalia Anggriani, Cepi M. Adam, Zainal Abidin, Firman B. Kurniawan, Supriady, Claudio Strobbia, Yang Liu, Youning Li, Xiagui Miao, Libo Zi, Guishui Wang

Indonesian Petroleum Association

... shallow structures and shallow gas zone anomalies, updates the shallow velocities for shallow depths where methods such as reflection tomography...

Textural Characteristics of Shale Deformations, and Associated Distribution Models: Implications for Shale Reservoir Fluid Flow

Jim Buckman, Gary Couples, Helen Lewis

Unconventional Resources Technology Conference (URTEC)

... characteristics. Direct observation of fluid flow, involving neutron-tomography experiments of these experimental samples, reveals flow behaviours...

Towards Improved Quality and Accuracy of Deeper Target Images on Land Data

Afiq Mokhtar, Riaz Alai, Christopher Lee Slind, Poetri Monalia, Rizki Krishna Pratama

Indonesian Petroleum Association

... steps such as near-surface static correction through refraction static tomography, spike attenuation, ground roll, linear noise and surface wave...

Recent Developments in Marine Acquisition and Data Processing Technology to Improve Imaging through Complex Overburdens

Timothy Bunting, Jerry Kapoor, Nick Moldoveanu, Jeremy Browett

GCAGS Transactions

... for velocity model building, comparing with the traditional common image point (CIP) tomography method. Figure 3. Results of a full waveform...

Imaging of Fractures and Faults inside Granite Basement Using Controlled Beam Migration (Geophysics Paper 5)

Don Pham, Jason Sun, James Sun, Qingbing Tang, Graeme Bone, Nguyen Truong Giang

Geological Society of Malaysia (GSM)

... of the intra-granite fractures. The initial velocity model was built with the above information in mind. The velocity update was carried out using tomography...

Abstract: Seismic Imaging near and within the Basement Offshore Malaysia; Including Comparisons of Imaging Algorithms (Geophysics Paper 19)

Nabil El Kady, M. Shah Sulaiman, Zabidi M Dom, Tang Wai Hoong, Lee Mei Lu, Pavel Vasilyev, Martin Bayly

Geological Society of Malaysia (GSM)

.... The shallow clastic overburden model was built using a series of iterative loops of multi parameter reflection based tomography (Woodward et al, 2008, A decade...

Arc-Continent Collision: A Comparison of the SE Caribbean and Taiwan-Ryukyu Margins, Paddy Chesterman, #30139 (2010)

Search and Discovery.com

Depth Imaging Through Surface Carbonates: A 2D Example from the Canadian Rocky Mountains; #41554 (2015)

Yong Hua, Don Lawton

Search and Discovery.com

... inversion. Velocity Model Refinement Since the data has low S/N and there are no well constraints along the line, grid tomography was chosen and applied...

Impact of Pre-Stack Depth Migration on the Anama Prospect, Papuan Foreland Basin

K. Bradey

Papua New Guinea (PNG) Petroleum Convention Proceedings

... pass of interval velocity estimation was acceptable. Tomography Tomographic Inversion is a method that refines the velocity model by iteratively...

4D image velocity scan to improve the 4D quantitative interpretation

Mohamed Hatab, Colin MacBeth

International Meeting for Applied Geoscience and Energy (IMAGE)

...-order, hyperbolic or nonhyperbolic. After various QC steps, the RMO, the dip field, and coherency estimates are used as input to the tomography...

Crosswell Seismic: Review of Field Operations, Survey Planning and Case History

Jeff Meyer, Randy Evans, Robert Martin, Cynthia L. Welch

West Texas Geological Society

... University. Washbourne, J.K. 1999, Crosswell Travel Time Tomography in 3 Dimensions, Ph.D. Thesis. US Copyright office registration number TX 4-954-156...

Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... a primary reflection, then q is representative of traveltime discrepancy along the composite S & R ray path and can be included in a tomography...

The Use of Geoelectrical Imaging Surveys for the Delineation of Different Subsurface Geological and Man-Made Features

S. S. Abdul Nassir, C. Y. Lee

Geological Society of Malaysia (GSM)

... section. Electrical tomography (Griffiths and Barker, 1993), also known as the electrical imaging method, has the ability to image subsurface features...

A case study using FWI to image pre-Messinian target in the East Mediterranean Sea

Jyoti Kumar, Marcus Bell, Tamer Darwish, Mai Ahmed, Mahmoud Ahmed, Moataz Ahmed

International Meeting for Applied Geoscience and Energy (IMAGE)

... and implemented as the starting isotropic model for the post-salt region. Several isotropic reflection tomography updates were performed before...

High-resolution near-surface land FWI across the Delaware basin fill zone

Terence Krishnasamy, James Sheng, Ronaldo Florendo, James Beck, Antonio Sierra, Sam Murphy, Jay Siebens, Yvonne Iwo-Brown

International Meeting for Applied Geoscience and Energy (IMAGE)

... data. Due to the limited offset coverage at shallow depths, conventional model building techniques like reflection tomography are inadequate for near...

3D model-building technique by fusing near surface and deep structure and its applications

Luo Kaiyun, Yang Jian, Ma Lan, Men Zhe, Long Bo

International Meeting for Applied Geoscience and Energy (IMAGE)

... information from elastic wave modeling is richer. velocity model is created by turning wave tomography imaging inversion, the middle-deep layer velocity...

Application of high-end seismic imaging technologies for field development in NWS Australia

Min Lee Chua, Kai Zhao, Narcisa Lazarescu, Wai King Yong, Sergey Birdus, Alexey Artemov, Xiang Li

Petroleum Exploration Society of Australia (PESA)

...nd high signal-to-noise ratio is achieved after the full de-multiple workflow is applied. Hybrid FWI and Tomography Velocity Model Building Flow F...

Land seismic multi-parameter FWI imaging

Mason Phillips, James McLeman, Vlada Avramovic, Tom Rayment, Stuart Schmitt, Mike Varner, Yasser Khalifeh, Ahmad Ammar Chahine, Eskil Jersing

International Meeting for Applied Geoscience and Energy (IMAGE)

... the workflow. In parallel with the preprocessing, an initial velocity model was built using refraction tomography in the near-surface and smoothed depth...

Successful Depth Imaging at Banyu Urip Field

Yuki Y. Agulia, Michael Gurch, Sony Mohammad, Bastian Hutahayan

Indonesian Petroleum Association

...) workflow used a reflection tomography based approach constrained by all available well data. The Q Model Building (QMB) workflow was an integrated approach...

Broad bandwidths reveal double the expected sediment depth in the Northern Carnarvon Basin

Jo Firth, Mark Stanley

Petroleum Exploration Society of Australia (PESA)

... PESA_142_BOOK_ST.indd 60 26/05/2016 10:44:03 AM TECH TALK Figure 4: Velocity model derived by refraction tomography, showing a localised high-velocity...

Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)

J. Patrick Butler and Randy Kolesar

Search and Discovery.com

...Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014) J. Patrick Butler and Randy Kolesar AAPG Search and Discovery Article #90187...