Click to minimize content

Welcome to the new Datapages Archives

Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.

AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.

Click to maximize content

Welcome to the new Datapages Archives

Search Results   > New Search > Revise Search

The AAPG/Datapages Combined Publications Database

Showing 31,989 Results. Searched 195,705 documents.

< Previous   23   24   25   26   27   Next >

Ascending

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...

2021

Abstract: Ground penetrating radar and seismic methods applied to detection of windows in the clay aquitard overlying the Fredericton Aquifer

J. A. Paasche, T. Gilman, K. E. Butler

Atlantic Geology

... that can be used to determine the subsurface features at a site. These methods utilize changes in material properties (e.g. density, velocity, dielectric...

2000

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...

2003

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...

2018

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...

2015

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...

2023

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...

1988

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...

2017

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...

2004

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...

2009

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...

1966

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...

2014

Abstract: Model Parametrization Strategies for Newton-Based Acoustic Full Waveform Inversion; #90224 (2015)

Amsalu Y. Anagaw

Search and Discovery.com

... as compared to the case of velocity parameterization. As a result the deeper parts of the model would be properly reconstructed and superior...

2015

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...

2014

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...

2013

Coastal Processes and Nearshore Sand Bars

Richard A. Davis, Jr., William T. Fox

Journal of Sedimentary Research (SEPM)

..., wind velocity, breaker height, and longshore currents. Of the 18 variables measured, barometric pressure appears to provide the best index for changes...

1972

An Experimental Study of Subaqueous Slipface Deposition

Ralph E. Hunter, Gary Kocurek

Journal of Sedimentary Research (SEPM)

... that Sa is related to current velocity over the brink; Sa appears to be a direct function of rate of bedform migration, Vb, which for a given H...

1986

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

Rubén D. Martínez

GCAGS Transactions

... to provide not only accurate velocity models for migration but also be able to account for velocity anisotropy, in this case, TTI (tilted transverse isotropy...

2011

Abstract: Near-surface Velocity Modeling through a Computationally Efficient Implementation of 1.5D Laplace-Fourier Full Waveform Inversion; #91204 (2023)

Apostolos Kontakis, Diego Rovetta, Daniele Colombo, Ernesto Sandoval-Curiel

Search and Discovery.com

... of the velocity model used. For a successful migration, the velocity model must track accurately enough the complexities of the near-surface. We developed a fast...

2023

Three-Dimensional Depth Imaging of Seismic Data to Assess Subsurface Geology in Northern Utah and Southwestern Wyoming

Alvin K. Benson

Utah Geological Association

... lateral velocity variations in the rocks and the importance of using depth imaging versus conventional time imaging of seismic data when mapping complex...

1999

< Previous   23   24   25   26   27   Next >