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The AAPG/Datapages Combined Publications Database

Showing 1,717 Results. Searched 201,044 documents.

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Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014)

Saul E. Guevara, Gary F. Margrave, and William M. Agudelo

Search and Discovery.com

...Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014) Saul E. Guevara, Gary F. Margrave, and William M...

2014

Karama PSC Well Results … A Lesson Learned on Provenance and Seismic Imaging of Deepwater Systems

Deborah South, Gerrit Toxopeus, Bjarte Myhren

Indonesian Petroleum Association

.... The density (and velocity log, not shown) confirms that the seismic contrast is setup due to a low impedance contrast. The anomaly section shows a (very...

2013

Prediction of Porosity and Fluid Saturation from Full Stack Seismic Data Using Seismic Inversion and Neural Network Analysis, #42254 (2018).

Ahmed S. Ali, Hamed El-Mowafy, Ashraf Ali Hasan, Ali Khairy

Search and Discovery.com

... stack seismic data as an internal attribute while P-impedance and RMS Velocity cubes as external attributes in order to generate 3D porosity...

2018

Synthetic Seismic Validation of Reservoir Models of the Carbonate Gas Fields in Offshore Sarawak, Malaysia; #41087 (2012)

Alexander David Kayes

Search and Discovery.com

... quality. 6 GENERALISED WORKFLOW (STATIC MODEL) 2 Seismic AI data (TWT) T -> Z Seismic AI data (Depth) Seismic Inversion Same Velocity Model...

2012

Abstract: Estimating the Spectra of Small Events for the Purpose of Evaluating Microseismic Detection Threshholds; #90174 (2014)

N. Ackerley

Search and Discovery.com

... primarily on the S-waves. For a receiver at the surface the velocity will typically be significantly lower than that at the source, which is why we’re...

2014

A Critique of the Magnolia Field (Columbia County) Case History

E. E. Rosaire , James M. Forgotson

GCAGS Transactions

... control, the velocity depth function, used to translate the observed, corrected arrival times into depths, is uniform laterally across the area...

1953

Marine Seismic Sources: Part III: A Feeling for Decibels

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... references are, therefore, 26 dB apart (20 log 20 = 26). Secondly, the impedances (density times velocity) of water and air differ. The impedance ratio...

2010

Comparison of Marcellus Fracturing Using Azimuthal Seismic Attributes Versus Published Data From Outcrop Studies

Tanya L. Inks, Terry Engelder, Jacki S. Hocum, Bruce Golob, Darien O'Brien

Unconventional Resources Technology Conference (URTEC)

... that are not corrected by the isotropic velocity are inverted to create Root Mean Square (RMS) velocity volumes, RMS Vfast and RMS Vslow. More delayed...

2014

Research and application of diffraction imaging based on the full-azimuth angle migration

Shengtao Zang, Xingrong Xu, Zhe Yang, Yanxiang Wang, Jiaqing Sun

International Meeting for Applied Geoscience and Energy (IMAGE)

...). Optimal migration velocity for diffractions can be accurately picked when diffraction energy become better focused in semblance by enhancing...

2024

Repeatability indicators in time lapse seismology and their application to the Sleipner CO2 storage project

Brian Russell

Carbon Capture, Utilization and Storage (CCUS)

...) surveys is defined as NRMS = where RMS ( xt ) = 200 [ RMS (m - b)] RMS (m) + RMS (b) , (1) 1 tN 2 å xt is the RMS estimate over trace samples xt...

2024

Efficient interdisciplinary workflow for predrill seismic pore pressure prediction

Josue Fonseca, Anshuman Pradhan, Tapan Mukerji

International Meeting for Applied Geoscience and Energy (IMAGE)

... physics criteria, however, analyzing other kinematic properties that are more efficient to compute: root-meansquare (RMS) velocity in time domain...

2022

Three-Dimensional Seismic-Reflection Techniques

Hermann Buchholtz

Circum Pacific Council Publications

... the velocities is the azimuth. Dip and azimuth are eliminated from the analyzed velocity data, and result in RMS velocities. They are then used...

1989

Paleoslope Reconstruction In Sandy Suspended-Load-Dominant Rivers

Ranie M. Lynds, David Mohrig, Elizabeth A. Hajek, Paul L. Heller

Journal of Sedimentary Research (SEPM)

... analogues for rivers in the rock record: Journal of Sedimentary Research, v. 79, p. 773– 792. Dietrich, W.E., 1982, Settling velocity of natural particles...

2014

Chapter Four: Stratigraphic Interpretation

Alistair R. Brown

AAPG Special Volumes

... signature of this inferred channel is trough-over-peak, which implies high velocity material, given the polarity convention implicit in these data. After...

2011

Improving Stratigraphic and Structural Interpretation of Suban 3D Through Advanced Reprocessing

Safitri Nurida, Irfan Yuliandri Syukri, Ludy Andria

Indonesian Petroleum Association

... updates and migration. The initial velocity model was built using references from 12 wells, 5 horizons, and PSTM migration root mean square (RMS) velocity...

2019

Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology

Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia

Indonesian Petroleum Association

... is the P-wave RMS velocity and is P-wave to Swave RMS velocity ratio. a is the elevation difference between shot and CCP and b is the elevation...

2014

Laboratory Experiments and Numerical Simulation on Bitumen Saturated Carbonates: A Rock Physics Study for 4D Seismology

Arif Rabbani, Jason Nycz, Zizhen Wong, Doug Schmitt, Ken Gray

Petroleum Exploration Society of Australia (PESA)

...% decrease of P-wave velocity for 10ºC to 130ºC change in temperature. Different slopes in velocity versus temperature plot may also indicate the possible...

2016

Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)

Peter W. Cary, Albert Zhang

Search and Discovery.com

...: the converted wave RMS velocity vc , the vertical velocity ratio  , the effective velocity ratio  eff and the anisotropy parameter  .  is a non...

2015

Biogenic Gas Reservoir Distribution Analysis Using AI Inversion and Seismic Attributes in The Nias Basin, North Sumatra

Nurul Azizah Haris, Ninda Saphira Mustafa, Fathkhurozak Yunanda Rifai, Shaska R. Zulivandama, Sabrianto Aswad

Indonesian Petroleum Association

... Inversion The density and wave velocity in rock layers are important parameters in determining the value of acoustic impedance. The difference...

2020

High Performance Seismic Data Migration for High Resolution Interpretation

C. N. Chernoff

Indonesian Petroleum Association

... lateral velocity gradients stacking velocities can be used to calculate RMS velocities. The RMS velocities can be used directly in time migration programs...

1983

Improved subsalt imaging in the Eastern Mediterranean Sea with converted wave attenuation

Monica Hartmann, Jana Caskey, Benjamin Cole, James McLeman, Tom Rayment, Ares Ouzounis

International Meeting for Applied Geoscience and Energy (IMAGE)

... by a common velocity model. However, the use of a common velocity model is not a strict requirement. The kinematics of the different converted wave...

2024

Seismic HC Reservoir Prediction: A (Critical) Review on the Determination of Lithological Parameters from Seismic Data

Burkhard Buttkus

Geological Society of Malaysia (GSM)

... of depth to layer thickness (Schneider, 1969). Figure 8 shows the expected error of interval velocities as a function of the RMS-velocity error...

1985

Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

... for both qualitative and quantitative analysis (Nanda, 2016a). Different types of velocity, e.g. interval, average and root-mean-square (RMS) velocity can...

2022

Interferometry Application to Interpolate Missing 2D Seismic Data in Shot Gathers

Lily Suherlina, M.Yusup Nur Khakim, Hilman Mardiyan, Roy Baroes

Indonesian Petroleum Association

... Mean Square (RMS). In addition, this research learnt about redatuming Surface Seismic Profile (SSP – SSP), where it was conducted to transform...

2016

New perturbation-based traveltime approximation for elastic VTI media

Shibo Xu, Alexey Stovas, Xingguo Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The moveout approximation can be applied in the velocity analysis to estimate the root mean square (RMS) velocity for imaging. The accuracy of the inverted...

2022

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