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The AAPG/Datapages Combined Publications Database

Showing 16,597 Results. Searched 195,696 documents.

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Ascending

Deep learning based microearthquake location prediction at Newberry EGS using physics-informed synthetic dataset

Zi Xian Leong, Tieyuan Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... proposes several improvements and new advantages compared to previous studies. By using a fieldinformed high-resolution 3D P-wave velocity model...

2023

Improving Structural Imaging

Svein-Erik Sjulsen, Chris Stevens

GEO ExPro Magazine

... to be imaged on the Kirchhoff pre-stack time migration gathers. This enabled much more accurate velocity picking than had previously been achieved. Post...

2007

ABSTRACT: Design Analysis of the Raymer…Hunt-Gardner Algorithm and Modification for Shaly Sands; #90118 (2011)

Hari Kumar

Search and Discovery.com

... of the Raymer-Hunt-Gardner algorithm to make it a universal velocity-porosity transform applicable to shaly sands. Design analysis of the Raymer-Hunt...

2011

Permeability Multiplier Prediction Utilizing Wide Azimuth 3D OBC Seismic Data; #41349 (2014)

T. Matarid

Search and Discovery.com

... of the quadrants. This type of Azimuthal analysis presumes that flat layers and vertical cracks is the summary of the rocks. Stacking velocity (Figure 1...

2014

Abstract: The Impact of Geophysical Well Log Analysis (GWLA) on a Clastic Rock Physics Analysis; #90254 (2016)

Omar H. Afif, Muhammad Ashfaq

Search and Discovery.com

... velocity interpretation is misleading. Before any analysis, density spikes due to borehole washouts need to be checked and edited appropriately...

2016

Abstract: Raypath-Consistent Shear Wave Statics; #90224 (2015)

Raul Cova, David Henley, and Kris Innanen

Search and Discovery.com

... of propagation of the wavefield through the low velocity layer (LVL). By using ray-tracing and finite-difference modelling we show how the near surface...

2015

Different Approaches of Combining Geophone and Hydrophone Data From OBC Seismic at Bintuni-Berau Bay, Papua

Tepy Septyana, Yayat Supriatna, Supriyono, Greg Schurter, James Keggin, Jean-Jacques Chameau

Indonesian Petroleum Association

... gathers. The analysis window was centered on the strong Kais, and extended down to include the ghost of this horizon. Offset was restricted to 0-500m...

2010

Abstract: Seismic Anisotropy in Coal Beds; #90211 (2015)

David Gray

Search and Discovery.com

.... 24. Rüger, A., 1996, Reflection Coefficients and Azimuthal AVO Analysis in Anisotropic Media: Doctoral Thesis, Center for Wave Phenomena, Colorado...

2015

Abstract: Azimuthal Anisotropic NMO Analysis for Amplitude Stripping Removal in Sumandak 3D Reprocessing (Geophysics Paper 15)

Mazlan Ghazali, Edgardo Padron, Mehmet Ferruh

Geological Society of Malaysia (GSM)

... environments. Figure 1: Vertical discontinuities artifacts. 64 We will show, how using Azimuthal anisotropic NMO analysis helped to determine...

2011

Abstract: Feasibility Testing of Time-lapse Seismic Monitoring with Full Waveform Tomography; #90171 (2013)

Chad Hogan, Ken Hedlin, Gary Margrave, and Michael Lamoureux

Search and Discovery.com

.... The waveform tomography inversion was then performed using the original (unperturbed) background velocity model as its starting point. Constant...

2013

Structural and Tectonic Evolution of Oceanic Crust within the Jurassic Quiet Zone, Offshore Morocco: Chapter 14: African and Mediterranean Margins

James S. Holik, Philip D. Rabinowitz

AAPG Special Volumes

... of the seismic reflection profiles as well as detailed velocity analysis. We develop a model for the tectonic evolution of the offshore portions of this margin...

1992

Application of Shallow Seismic Reflection in Geoenvironment and Geoengineering Mapping

Umar Hamzah, Abdul Rahim Samsudin, Abdul Ghani Rafek

Geological Society of Malaysia (GSM)

... by using stacking velocities obtained from velocity analysis. An estimated velocity value of about 1,000 mls was used for the conversion and production...

1999

AVO Analysis of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma

Eric Kubera

Oklahoma City Geological Society

... Variation with Offset, or Amplitude Versus Offset) analysis is the investigation of seismic P-wave reflection data in search of a characteristic change...

1997

Prediction and Analysis of Geomechanical Properties of the Upper Bakken Shale Using Artificial Intelligence and Data Mining

George K. Parapuram, Mehdi Mokhtari, Jalel Ben Hmida

Unconventional Resources Technology Conference (URTEC)

...Prediction and Analysis of Geomechanical Properties of the Upper Bakken Shale Using Artificial Intelligence and Data Mining George K. Parapuram...

2017

Ekofisk: First of the Giant Oil Fields in Western Europe

Edwin Van den Bark, Owen D. Thomas

AAPG Special Volumes

.... DISCOVERY The Ekofisk structure was mapped by the common reflection point seismic system. A reflector from just above the top of the Danian showed...

1980

Differentiation of Beach and Dune Sands, Using Settling Velocities of Light and Heavy Minerals

Bryce M. Hand

Journal of Sedimentary Research (SEPM)

... medium of deposition, is also used in the analysis. Dune sands, on the other hand, should yield velocity-in-water distributions that become faster...

1967

PINNslope: Physics-informed neural network slope prediction and interpolation with positional encoding

Francesco Brandolin, Matteo Ravasi, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... destruction filters: Geophysics, 67, 1946–1960, doi: https://doi.org/10.1190/1.1527095. Fomel, S., 2007, Velocity-independent time-domain seismic imaging using...

2023

Blended Source Ocean Bottom Node Seismic Data Acquisition … A Case Study, #41312 (2014)

Chris Walker, David Hays

Search and Discovery.com

...-random spacing and thus the energy from the “other” shots appears as random events in the common receiver gathers for the “desired” shots. Figure 2 shows...

2014

Abstract: Stochastic Velocity Modelling For Depth Conversion In 3D Modelling

Anders Torp

Petroleum Exploration Society of Australia (PESA)

... of the velocity model. These velocity models are then used to make multip le d epth conversions of the horizons and faults. It is quite common practice...

2003

Abstract: Detection of Naturally Occurring Micro-Fractures

Jamal Ass'Ad

Houston Geological Society Bulletin

... are calculated using the first arrivals, and velocities measured from data for two different models with velocity (S1) is almost constant...

1992

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