ABSTRACT: More Data More Surprises; #90017 (2003)

Nezar A. Talhah, Mohammad I. Faqira, Turki Z. Rowaili

Search and Discovery.com

... Cretaceous time. 2) A layer cake depthing approach used Shu'aiba Formation (Lower cretaceous) as a hanging horizon. Different velocity approaches were...

Seismic Stratigraphic Exploration - A New Frontier

Roy O. Lindseth

Rocky Mountain Association of Geologists

... the section was laid down. Thus adjacent points of constant velocity (transit-time) along a Seislog section may be joined in continuous iso-transit-time...

Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... the relationship between an asymmetric reflection travel-time hyperbola and the ray-paths traced due to a dipping bed in a constant velocity medium...

Constrained tomography for improved presalt elastic full-waveform inversion

Yaofeng He, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Carey Marcinkovich

International Meeting for Applied Geoscience and Energy (IMAGE)

... building (VMB) is a critical step for accurately imaging subsurface structures with seismic prestack depth migration. More importantly, the derived velocity...

Hidden Structure Revealed by a Simple 3D Velocity Model - McAllen Ranch Field, Hidalgo County, Texas

Richard C. Bain

GCAGS Transactions

.... Bruso, 1989, A case history of velocity problems in the shadow of a large growth fault in the Frio Formation, Texas Gulf Coast: Geophysics, v. 54, p...

Abstracts: The Conventional and Non-conventional Seismic Differencing; #90173 (2015)

Vanja Vracar and Robert J. Ferguson

Search and Discovery.com

... velocity models in time-lapse and through finite-difference algorithm deliver 2D synthetics. The synthetics are migrated and differenced. Migration...

Land FWI in the Sultanate of Oman: Challenges and advances on the road to high-resolution velocity

Mohammad Sheryar Farooqui, Yonghe Guo, Azza Al Hasni

International Meeting for Applied Geoscience and Energy (IMAGE)

...Land FWI in the Sultanate of Oman: Challenges and advances on the road to high-resolution velocity Mohammad Sheryar Farooqui, Yonghe Guo, Azza Al...

Abstract: 3D Localized Prestack Depth Migration from Workstations, by Xiaomin Zhao, Jianming Sheng, Ying Hu, and Chengbin Peng; #90105 (2010)

Search and Discovery.com

High-resolution FWI of converted-wave data A case study from the Edvard Grieg field

Per Eivind Dhelie, Vidar Danielsen, Jon Andre Haugen, Emilie Davenne, Knut Richard Straith, Alireza Roodaki, Manuel Peiro, Alexis Fotsoh, Wenlei Gao, Nabil Masmoudi, Andrew Ratcliffe

International Meeting for Applied Geoscience and Energy (IMAGE)

...High-resolution FWI of converted-wave data A case study from the Edvard Grieg field Per Eivind Dhelie, Vidar Danielsen, Jon Andre Haugen, Emilie...

High-fidelity full-waveform imaging via impedance inversion

Feng Chen, Yu Zhang, Lian Duan, Weishan Han, Yilong Qin, Qianggong Song

International Meeting for Applied Geoscience and Energy (IMAGE)

... present a full waveform imaging method based on trueamplitude migration that inverts both velocity and impedance models. Within the context of full...

Inflation of Ponded, Particulate Laden Density Currents

Robert M. Dorrell, Marco Patacci, William D. McCaffrey

Journal of Sedimentary Research (SEPM)

...: Journal of Sedimentary Research, v. 64, p. 233–246. Haughton, P.D.W., 2001, Contained turbidites used to track sea bed deformation and basin migration...

Seismic Guided Drilling (SGD*): A New Technology for Look-Around and Look-Ahead of the Bit Prediction During Drilling

Nader C. Dutta, Sherman Yang, Jianchun Dai, Aranya Bhaduri, S. Chandrasekhar, Firoze Dotiwala, C.V. Rao

Indonesian Petroleum Association

... velocity, an essential ingredient for Migration to produce an Image, is based on the “flattening of seismic gathers” criterion. While this criterion...

Abstract: Combining Geology and Prestack Seismic for Structural Model Building in the Gaspé Belt (Québec, Canada); #90211 (2015)

Anne Jardin, Martin Bêche, Karine Broto, Dave Saucier, and Donna Kirkwood

Search and Discovery.com

... is to optimize the image, frequently of poor quality, of the deep structural objectives underneath series showing velocity variations and generating seismic...

Time to Move to Anelliptic Time Processing

Search and Discovery.com

The Geophysicists' Bane: Multiple Suppression on the North West Shelf

C. R. T. Ramsden, M. R. Hobson, R. Cooper

Petroleum Exploration Society of Australia (PESA)

..." is reduced by the strong acoustic impedance contrast between the waterlayer and the hard waterbottom, or shallow low velocity sediments and the underlying...

Can Sparse OBN Equal Savings and Data Quality?

Yannick Cobo, Rodrigo Felicio, Carlos Calderon, Paul Farmer, ION

GEO ExPro Magazine

... velocity oscillations in both the salt and pre-salt sections, more evident in the case of 2 km receiver spacing. Thus, decreasing the number of nodes...

Velocity Conditioning for an Improved Depth Conversion, #40743 (2011)

Ang Chin Tee, M. Hafizal Zahir, M. Faizal Rahim, Nor Azhar Ibrahim, Boshara M. Arshin

Search and Discovery.com

... is the seismic velocity. Figure 2. The seismic volume and the seismic velocity models of the study area were obtained after Pre-Stack Depth Migration processes...

Abstract: Geometry Controlled PSDM Tomography; #90300 (2017)

Camilo González, D. Gutierrez, C. Becerra, F. Vivas, N. Espindola

Search and Discovery.com

... of velocity model update through migration velocity analysis (MVA). Usually the velocity model is refined at the end of each cycle of MVA based...

Reservoir Engineering Aspects in Site Characterization, Short-Term Modeling, and Long-Term Fate of CO2 in Carbon Dioxide Geosequestration

Josh Qiang Xu, Geoff Weir, Lincoln Paterson, Sandeep Sharma

AAPG Special Volumes

... have big impacts on the migration pathway. Figure 2a and b show the difference. In the high-permeability and low shale content case, CO2 migrates...

Effects of liquefied beds on the basal layers of turbidity currents

Débora Karine Koller, Carolina Holz Boffo, Tiago Agne De Oliveira, Rafael Manica

Journal of Sedimentary Research (SEPM)

... currents by supporting sediments in suspension more effectively over space and time. Based on measured near-bed concentration and velocity, as well...

The Global Offset Seismic Approach: Improving Seismic Imaging In Complex Geological Settings

Paolo Dell'Aversana

Petroleum Exploration Society of Australia (PESA)

... as a valid support for static corrections, velocity analysis and migration. Pre-stack depth migration (PSDM) The CMP gathers were used as an input for a PSDM...

Geometry, Flow, and Sediment Transport of Alluvial Deposits Induced By Topographically Driven Flow Expansions

Luca Sittoni, Chris Paola, Vaughan Voller

Journal of Sedimentary Research (SEPM)

... in a flow field that maintains large angles of expansion with roughly constant flow velocity downstream. Fig. 15. Flow field resulting from the numerical...

Backset Bedding Developed in Shooting Flow in Laboratory Experiments: NOTES

Alan V. Jopling , Everett V. Richardson

Journal of Sedimentary Research (SEPM)

... to the direction of current flow. Power postulates that the origin of the backset beds is related to the upstream migration of antidunes in an aggrading...

High-Density Mud Suspensions and Cross-Shelf Transport: On the Mechanism of Gelling Ignition

Jochen Kämpf, Paul Myrow

Journal of Sedimentary Research (SEPM)

... that the dispersions received their entire sediment load from local resuspension of surface mud. Flocculation is ignored, and a constant maximum floccule size...

Improving Petroleum System Analysis with Better Understanding of Seismic Input Uncertainties, #41235 (2013)

Ling Duan, Jianchang Liu, Richard Eisenberg

Search and Discovery.com

... velocity model building, time / depth conversion, amplitude characteristics and their implication on the lithological composition of formations, attribute...