DMO and NMO as Applied in Seismic Data Processing

Jiunnyih Chen

Geological Society of Malaysia (GSM)

... velocity, ~.tn,tz and tm denote the time scale before NMO, after NMO, after DMO and after migration respectively, and h represents the half offset...

Traveltime tomography and efficient physics-informed Bayesian inversion

Tian Qiao, George Turkiyah, Gerard T. Schuster

International Meeting for Applied Geoscience and Energy (IMAGE)

... of depth. The resulting velocity model can be used for accurate migration of surface seismic data and for the mapping of well-log lithology to seismic...

Improving subsalt images using FWI and FWI imaging: A streamer case study at Big Foot

Weihong Fei, Jingru Chen, Min Yang, Leah Grassi, Erik Everson, Paul Bovet, Marin Laomana, Sheree Wold, Alex Yanjun Hao, Chi Chen, Shubin Zeng, Zhiyuan Wei

International Meeting for Applied Geoscience and Energy (IMAGE)

...), mainly benefited from the improved velocity model. The enhanced RTM image after the post-migration workflow shows clearly delineated faults...

Abstract/Excerpts: Hydrocarbon Migration - An Old Friend or Foe?, by Robert G. Tscherny and Marek Kacewicz; #120098 (2013)

Search and Discovery.com

Subsurface seismic imaging using drill bit noise

Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... horizontal velocity model. Figure 5 (a) demonstrates the velocity model used in PSDM migration and (b) displays the time field produced for migrating...

Introduction to Petroleum Geochemistry

Douglas W. Waples

Rocky Mountain Section (SEPM)

... STRINGER HYDRODYNAMIC FLOW SUPPLEMENTS BUOYANCY INFLUENCES VELOCITY AND DIRECTION OF MIGRATION NOT NECESSARY FOR MIGRATION TO OCCUR Figure...

ABSTRACT: Imaging Through Gas Clouds: Case Histories from the Gulf of Mexico; #90007 (2002)

Knapp, Steve, Nigel Payne, Tony Johns

Search and Discovery.com

... distribution, binning and velocity determination require radically different processing methodologies. These issues together with methods for determining...

ABSTRACT: Seismic-Based Geomechaical Modeling Provides Attributes for Directional Well Planning; #90013 (2003)

EVGENII KOZLOV, IGOR GARAGASH, ALLEN LOWRIE

Search and Discovery.com

... planning. We show how 3D distributions of these parameters can be mapped by azimuthal analysis of seismic interval velocity and angle of incidence dependent...

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

... in figure 1, overlaid on the velocity model (in colour), with the velocities being those parallel to the symmetry axis (i.e. VP0). The TTI migration...

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

... in figure 1, overlaid on the velocity model (in colour), with the velocities being those parallel to the symmetry axis (i.e. VP0). The TTI migration...

Semi-global multiparameter FWI using public cloud HPC

Henry A. Debens, David Knodel, Fabio Mancini, Darryl Harris, Mike Warner, Adrian Umpleby

International Meeting for Applied Geoscience and Energy (IMAGE)

... the shallow-water platform. (a) Legacy pre-stack time migration (PreSTM) velocity model and full stack, stretched to depth; (b) re-processed pre-stack...

Seismic imaging in Tarim Basin: Overcoming complex near-surface conditions

Xianhuai Zhu, Ruirui Zhao, Sam Gray, Wensheng Duan, Duoming Zheng, Ganglin Lei, Gengxin Peng, Rujie Zhang, Kun Xu, Grace Yan, Junru Jiao

International Meeting for Applied Geoscience and Energy (IMAGE)

... has significantly improved the robustness of estimating near-surface velocity-depth models, resulting in enhanced resolution of deep reservoir images...

What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

... used for migration are usually derived from velocity analyses of common midpoint data. These analyses are limited in accuracy and make several...

Leaky Transform Faults and Terrane Migration During Seafloor Spreading

Zhang Fuqin, Ma Ruishi, Dong Huogen

Circum Pacific Council Publications

...Leaky Transform Faults and Terrane Migration During Seafloor Spreading Zhang Fuqin, Ma Ruishi, Dong Huogen © Circum-Pacific Council for Energy...

The Determination of Economic Basement of Rock Formation in Exploring the Langkat–Medan Area, North Sumatra Basin

Mulhadiono, J. A. Sutomo

Indonesian Petroleum Association

... of "on-lap" seismic reflections seen in the interval from SP 114 – SP 150 at about 2000 msc TWT. 3. Seismic Velocity Analysis The sudden change from moderate...

Unifying Offshore Brazil: From the Abimael Propagator to the Abrolhos Islands

Andrew Hartwig, Jonathan Denly, Jeff Faw, ION

GEO ExPro Magazine

..., Libra, and Uirapuru are consistently imaged. The dataset includes velocity calibration from over 280 wells, resulting in improved depth imaging of steep...

The need of elastic RTM for elastic FWI models

Hui Huang, Zedong Wu, Xue Xiao, Zhigang Zhang, Ping Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity, has proven to offer an alternative to the most accurate migration algorithm, reverse time migration (RTM), with better illumination and higher...

Optimizing Proppant Placement in Rough-Walled Rock Fractures

Min Zhang, Maša Prodanović

Unconventional Resources Technology Conference (URTEC)

... into the fracture are observed for a lighter proppant. For vertical fracture case a larger fluid injection velocity carries the proppant way deeper...

Maximizing imaging resolution and amplitude fidelity of low-dip stratigraphic traps through continued optimization of seismic acquisition and processing: A case study from the Guyana South East Stabroek Block

Yaxun Tang, Fuxian Song, Lorie Bear, Mark Widmer, Luke Wilson, Vikas Gudipati, Rishi Bansal, Steve Knapp, Chunshou Xia, Wei Zhao, Yu Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

...-wavefield inversion (FWI) in velocity model building (VMB) by ExxonMobil internally to improve reservoir definition. The Turbot area was reprocessed...

The Fate and Persistence of Aromatic Hydrocarbons Dissolved in Groundwater: Results from Controlled Field Experiments

J. F. Barker, E. A. Sudicky, C. I. Mayfield, R. W. Gillham, G. C. Patrick, K. L. Berry-Spark

Pacific Section of AAPG

... and analysis of groundwater samples along the natural migration route. The organics migrated slightly slower than the groundwater, reflecting sorptive...

Abstract: Improving Reservoir Imaging with Time-Lag Fwi in the Partitioned Zone Between Kuwait and Saudi Arabia; #91204 (2023)

Art Petrenko, Trevor Coulman, Guangfu Shao, Ibrahim Hakam, Mohammed Almutairi, Sujoy Ghose, Kai Zhang

Search and Discovery.com

.... Kirchhoff migration was used to generate high-resolution gathers and stack with the 24 Hz TLFWI model. Due to the complex overburden velocity...

Dude, wheres my AVO? A case study from the Browse Basin, North West Shelf, Australia

Said Amiribesheli, Jordan McGlew, Joshua Thorp

Petroleum Exploration Society of Australia (PESA)

..., this velocity analysis proved to be insufficient for imaging the sections below the highly anisotropic Jamieson Formation shale which is found regionally...

Optimization method of geometry and application based on Fresnel Gaussian beam forward modeling

Yang Jing, Yu Fuwen, Xu Xiaokun, Lv Shuang, Wang Xiangqian

International Meeting for Applied Geoscience and Energy (IMAGE)

... the contrastive analysis of the migration profile, as shown in figure 4, Gaussian beam forward modeling can clearly distinguish the thin interbed of 20 meters...

Simple model, complex strata: 2-D numerical forward model analysis of heterogeneity and controls in submarine fan systems

Alfie W. Mackie, Christopher J. Stevenson, Peter M. Burgess

Journal of Sedimentary Research (SEPM)

...Simple model, complex strata: 2-D numerical forward model analysis of heterogeneity and controls in submarine fan systems Alfie W. Mackie...

Simplicity at Its Best: Estimating Depth Uncertainty at the Wiriagar Deep Paleocene Field, Eastern Indonesia

Made Susantha, Imam S. Harun

Indonesian Petroleum Association

.... Migration seismic velocity data in this field are relatively smooth and do not follow general seismic structural interpretations (Figure 3). BP...