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 7,437 Results. Searched 200,357 documents.

< Previous   15   16   17   18   19   Next >

Ascending

P-Wave Impedance, S-Wave Impedance and Density from Linear AVO Inversion: Application to a VSP Data from Alberta

Faranak Mahmoudian

Search and Discovery.com

... data dominates in estimating the shear impedance and density and appears promising in providing shear impedance and density estimates from the PS...

Unknown

P-Wave Impedance, S-Wave Impedance and Density from Linear AVO Inversion: Application to a VSP Data from Alberta

Faranak Mahmoudian

Search and Discovery.com

... data dominates in estimating the shear impedance and density and appears promising in providing shear impedance and density estimates from the PS...

Unknown

Flow processes and sedimentation in a straight submarine channel on the Qiongdongnan margin, northwestern South China Sea

Chenglin Gong, Dongwei Li, Kun Qi, Hongxiang Xu

Journal of Sedimentary Research (SEPM)

..., Estimating turbidity-current conditions from channel morphology: a Froude-number approach: Journal of Geophysical Research, v. 117, no. C04003. Simmons, S.M....

2020

Broadband Seismic Technology and Beyond: Part IV: PGSs GeoStreamer „ Mission Impossible

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... with an elegant solution. He suggested simply estimating from the hydrophone signal what the ideal geophone recording should be for GEO ExPro...

2013

Elastic Mechanical Properties from SEM Imaging in Tight Formations

Joel Walls, Jack Dvorkin, Gabriela Davalos

Unconventional Resources Technology Conference (URTEC)

.... These properties can be determined from sonic well logs, but the required logs (compressional and shear velocity) are not always available...

2019

Understanding The Mesozoics Beyond Basalt: A Case Study Of Sub-Basalt Imaging

S. Sengupta, S. K. Goswami, G. Menzel-Jones, B. Chowdhury, Artem Sazykin

Indonesian Petroleum Association

.... * WesternGeco • Low signal-to-noise ratio creating ambiguity in estimating accurate velocity model of subsurface. This case study demonstrates...

2020

Shelf Physiography and Accommodation as Controls on Permian Grainstone Bodies, #50318 (2010)

Charlie Kerans, Paul M. Harris

Search and Discovery.com

... the vertical and lateral stacking of grainstones, impacting connectivity of facies elements. Dramatic variations in stacking are observed from ramp systems...

2010

Relative inversion for extended elastic impedances

Peter Harris, Kathryn Young

International Meeting for Applied Geoscience and Energy (IMAGE)

... of thin to moderate layer thicknesses. Typically, the shaping operators are applied to AVA intercept and gradient. Estimating an initial spectrum from...

2024

Time-lapse crosswell seismic monitoring of CO2 injection at the Nagaoka CCS site using elastic full-waveform inversion

Rie Nakata, Nori Nakata, Aaron Girard, Masaru Ichikawa, Ayato Kato, David Lumley, Zique Xue

International Meeting for Applied Geoscience and Energy (IMAGE)

... arrivals. well log data, we assume that Vp/Vs is 2 and adopt Gardner’s relationship to compute density from the P-wave velocity model. We further assume...

2022

Natural Gamma-Ray Spectrometry of the Monterey Formation at Naples Beach, California: Insights into Lithology, Stratigraphy, and Source-Rock Quality

Kevin M. Bohacs, Jon R. Schwalbach

Pacific Section of AAPG

... and can reveal the depositional environment when considered along with the stratal stacking patterns (Bohacs, 1990). The data obtained from an outcrop...

1994

Elastic full-waveform inversion of 4C ocean-bottom seismic data: Model parameterization analysis

Jian Cao, Romain Brossier, Ludovic Mtivier

International Meeting for Applied Geoscience and Energy (IMAGE)

... estimation of the subsurface, i.e. extracting medium shear modulus from the S-wave velocity model. Multi-parameter elastic FWI offers the possibility...

2022

Petrophysics and Pore Pressure: Pitfalls and Perfection; #40654 (2010)

Andrew Buffin

Search and Discovery.com

... log information is not available it is often estimated from Pwave velocity (Vp) using an empirical relationship. • A number of authors have published...

2010

Deposition of Sand by Suspension Currents: Experimental and Theoretical Studies

J. K. Ghosh, B. S. Mazumder, M. R. Saha, Supriya Sengupta

Journal of Sedimentary Research (SEPM)

... End_Page 57------------------------- current meter showed that the vertical velocity distributions were logarithmic at a distance of 7 to 8 m from...

1986

Abstracts: A Practical Approach for Estimating Receiver Statics in 2D/3C Seismic Data Processing; #90173 (2015)

Dumitru Ion and Mike Galbraith

Search and Discovery.com

...Abstracts: A Practical Approach for Estimating Receiver Statics in 2D/3C Seismic Data Processing; #90173 (2015) Dumitru Ion and Mike Galbraith AAPG...

2015

Abstract: Workflows for Sweet Spots Identification in Shale Plays Using Seismic Inversion and Well Logs; #90187 (2014)

Yexin Liu

Search and Discovery.com

...l properties calculation and interpretation The direct way of geomechanical analysis is using dipole sonic log, from which the P-wave velocity and S-w...

2014

Abstract: Confidence and Accuracy of Microseismic Images; #90171 (2013)

S.C. Maxwell

Search and Discovery.com

... and velocity model uncertainties. For the sake of brevity, the important aspect of estimating location uncertainty will only be mentioned here in passing...

2013

Pressure prediction using converted shear waves from OBN data: A rock physics approach

Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser, Terence Krishnasami

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Figure 3. a). Shear-wave velocity estimated from seismic; b). Clay volume estimated from seismic and well logs; c). Pore pressure from shear-wave velocity...

2023

Abstracts: Oilsands: Not Your Average Seismic Data; #90173 (2015)

David Gray

Search and Discovery.com

... zero amplitude at zero offset with a risk of amplitude cross-over with offset. Therefore, stacking all these offsets may result in poor well ties...

2015

3D velocity model building based upon hybrid neural network

Herurisa Rusmanugroho, Junxiao Li, M. Daniel Davis Muhammed, Jian Sun

International Meeting for Applied Geoscience and Energy (IMAGE)

... to provide accurate 3D P-velocity. The algorithm has been tested with the SEAM data and the field data from the Gulf of Mexico’s block. The prediction results...

2022

Geology of the Suwannee Basin Interpreted from Geophysical Profiles

Daniel D. Arden, Jr.

GCAGS Transactions

...-geologic horizons within which the lithology (and hence the velocity) was generally consistent. A brief amount of experimentation usually led...

1974

< Previous   15   16   17   18   19   Next >