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The AAPG/Datapages Combined Publications Database

Showing 20,728 Results. Searched 198,667 documents.

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Abstract: Application of 2D Crosscorrelation and Radon Transform for Analysis of Double Couple Microseismic Source; #90187 (2014)

Neda Boroumand and Hassan Khaniani

Search and Discovery.com

... horizontally. The waveform generated from this event contains both a P- and S-wave at the time of origin which propagate outward radially to produce both...

2014

Abstract: Relaxing the Near-Surface assumption in Estimating 3C Receiver Orientations: Azimuth-Stack Power Optimization of Reflected PS Data; #90187 (2014)

Nirupama (Pam) Nagarajappa, Peter Cary, and Chuck Ursenbach

Search and Discovery.com

... the orientation estimate. Near surface complexities due to scattering or anisotropy often change the behaviour of wave propagation and thus the standard methods...

2014

Abstract: Laboratory Studies of the Seismic Properties of Bitumen Saturated Grosmont Carbonates; #90224 (2015)

Arif Rabbani, Douglas R. Schmitt, Randolf Kofman, and Jason Nycz

Search and Discovery.com

... with temperature; the bulk modulus of oils decreases rapidly with temperature. In contrast, the S-wave propagation may be more dependent upon the viscosity...

2015

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)

... into local plane waves to indicate the characteristic of the propagation direction of the wave. The direction of incident and scattered rays...

2024

Seismic Anisotropy Modeling from Well Log in Talang Akar Formation, South Sumatra, Indonesia; #41360 (2014)

Thariq Guntoro, Intan Andriani Putri1, and Dwa Desa Warnana

Search and Discovery.com

... which varying with the directions. Seismic wave velocity varying with the direction of propagation caused the anisotropy characteristics of rock...

2014

Fast Shear Azimuths in the Marcellus Shale from VSP and Crossed Dipole Sonic Data; #42161 (2017)

Steve Horne, David Rampton, John Crowe

Search and Discovery.com

... dependent and suggests that upscaling observed azimuthal anisotropy from sonic logs may lead to underestimating lower frequency wave propagation effects...

2017

Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 2: Three-Dimensional Seismic Monitoring of an Enhanced Oil Recovery Process

Robert J. Greaves, Terrance J. Fulp

AAPG Special Volumes

.... Three sets of three-dimensional (3-D) data were collected during a one-year period in order to map the extent and directions of propagation in time...

2011

Abstract: High Quality Acoustic and Elastic Modeling; #90187 (2014)

Y. Jewoo, C. S. Shin, and R. P. Bording

Search and Discovery.com

... with a displacement or pressure field and a spatial flux field. This improves the local accuracy of the wave propagation everywhere at the expense...

2014

Formation of Ripple Bands in a Wave-Convergence Zone

K. P. Black , T. R. Healy

Journal of Sedimentary Research (SEPM)

... controls, the ebb-tidal jet flows south into the bay, across the predominant direction of wave propagation (Fig. 3). Unlike the standard ebb-tidal delta...

1988

Seismic response analysis of thin coals

Yijun Xi, Xingyao Yin

International Meeting for Applied Geoscience and Energy (IMAGE)

... for geophysical processing and interpretation (Zhao, 2021). Seismic wave forward modeling simulates the propagation process of seismic waves in the earth's...

2022

Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones

Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju

Indonesian Petroleum Association

... was repeatedly activated to allow stacking of recordings for improving signal to noise ratio at far offset propagation. The generated wave field...

2013

Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

... of the coating and reflector which is more clear than post-processing. INTRODUCTION Seismic is a mechanical wave that uses elastic wave propagation...

2019

Ultrasound Tomography Optimalization by Using Robotic Application

Albertus Ariel Rahadi, Tedy Setiawan

Indonesian Petroleum Association

..., which is 5920 m/s. The only changes are on the outer of the circle because the wave propagation (Figure 1) were done around the outer zone (see Figure 12...

2016

Effects of Settling and Preferential Deposition of Sediment on Ripple Roundness Under Shoaling Waves

Naofumi Yamaguchi, Hideo Sekiguchi

Journal of Sedimentary Research (SEPM)

..., the direction of wave propagation was designated as “onshore,” and the opposite direction as “offshore.” The water particle velocity 10 mm above the flat...

2010

Physical Processes and Fine-grained Sediment Dynamics, Coast of Surinam, South America

John T. Wells, James M. Coleman

Journal of Sedimentary Research (SEPM)

... example of muds accumulating under moderate wave-energy conditions. Gigantic shore-attached mudbanks (10 km 20 km), composed partly of thixotropic...

1981

Abstract: Physical Testing of the Effect of Tilting on the Reflection Coefficient in an Anisotropic Material; #90172 (2014)

Miryam Ortiz-Osornio, Douglas R. Schmitt

Search and Discovery.com

... ultrasonic transducer as the source and the receiver, respectively, in order to simulate plane wave propagation. The source transducer is excited...

2014

Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data

A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah

Indonesian Petroleum Association

...Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data A. Hendriyana, R. Sule, Y. Akbar...

2009

Seismic Characterisation of Unconventional Plays in North America

Lee Bell, Mary Edrich, Alvaro Chaveste

Petroleum Exploration Society of Australia (PESA)

... ellipse. Velocities in a fractured medium result in different wave velocities for different propagation directions (anisotropy). Elliptical attributes...

2012

Abstract: Investigations of Seismic Signatures of CO2 Saturation as Part of a Geological Storage Project; #90187 (2014)

Gautier Njiekak, Douglas R. Schmitt, and Randolf S. Kofman

Search and Discovery.com

... are the physical properties that will influence wave propagation; bulk modulus has a direct proportional effect while density has an inverse proportional effect...

2014

High resolution imaging using multiples „ A North Sea case study

Chandan Kumar, Rodney Johnston, Petr Jilek, Xiaolei Song, Mikhail Davydenko

International Meeting for Applied Geoscience and Energy (IMAGE)

... waveform inversion (FWI) velocity model can be used to describe wave propagation effects. Thus, it is a closed-loop imaging process that iteratively...

2024

Calibration, Repeatability, and Interpretation of In-Situ Tectonic Stress Measurements from Wireline Straddle Packer MicroFrac Testing: Case Study of an Onshore Field in the UAE; #41635(2015)

Dee A. Moronkeji, Javier A. Franquet, Steve Smith, Umesh Prasad, Noora S. Al-Shehhi, Mohamed El-Hamawi

Search and Discovery.com

... breakdown, fracture propagation, fracture reopening cycles, and pressure fall-off cycles for fracture closure identification. The objective...

2015

Estimating elastic wave velocities, attenuation factors, and their frequency dependency by inverting ultrasonic waveforms

Michel M. Nzikou, Alexey Yurikov, Maxim Lebedev, Boris Gurevich

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the ultrasonic wave propagation through a homogeneous and porous rock: Ph.D. thesis, Curtin University, Perth. Quan, Y., and J. M. Harris, 1997, Seismic...

2022

Seismic imaging uncertainty using deep learning predicted Greens functions

Han Liu, Anar Yusifov, Muhong Zhou, Linda Hodgson

International Meeting for Applied Geoscience and Energy (IMAGE)

... wave propagation. There are three steps in RTM: 1) forward propagation of source data; 2) backward propagation of receiver data; 3) apply an imaging...

2022

The Effect of Velocity Uncertainty and Attenuation on Flow Estimates From Microseismicity

Oleg V. Poliannikov, Michael Fehler, Alison Malcolm

Unconventional Resources Technology Conference (URTEC)

... events, seismic wave propagation from the fracture zone to the receiver array, and the recording of seismic signals. Several dominant factors control...

2015

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