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The AAPG/Datapages Combined Publications Database

Showing 7,437 Results. Searched 200,357 documents.

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Determination and Delineation of Anomalously Pressured Gas Accumulations in the Siberia Area, Washakie Basin, Wyoming

Ronald C. Surdam, Zun Sheng Jiao, Yuri Ganshin, Nicholas G. K. Boyd III

Wyoming Geological Association

... in estimating uncertainty-resolution parameters of the final velocity field. The velocity field in the study area was calculated from DMO-corrected seismic data...

2001

Rock Physics Guided Velocity Modeling and Reverse-Time Migration for Pore Pressure Prediction and Depth Imaging in Complex Areas

Nader C. Duta, Sherman Yang, Yangjun (Kevin) Liu, Lawrence Cho, Jie Cui

Indonesian Petroleum Association

... a 3D velocity field, then the velocity field is conditioned for estimating “beyond image” properties such as pore pressure. Due to the anisotropic...

2015

Estimation of shear wave velocity based on adaptive step size algorithm

Yipeng Gu, Jiajia Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to obtain shear wave velocity from P-wave velocity and physical parameters, such as porosity, water saturation and clay content. The accuracy of estimated...

2023

Lithology Prediction by Extrapolating Well Data

Brian Barley, Dean Chergotis, Mai Wilson, Susan Young

Indonesian Petroleum Association

... the theory of various means of estimating Acoustic Impedance (AI = velocity times density) starting from such data. We are interested only in applying...

1992

Seismic Time to Depth Conversion and Uncertainty Analysis for Horizon Prediction in a Proposed Well-Site of Sungai Gelam Field, Jambi Subbasin

Muhamad Wildan P., Imam Muda Gunawan, Andry Pujiriyanto, Sudarmaji

Indonesian Petroleum Association

... building was built from two velocity sources: checkshot velocity and seismic stacking velocity. Those two velocity sources were processed using...

2013

Experience with Seismic Lithology (AVO) in Central Sumatra

Jeff Wright, Isdjulaedi Bakri, Budi Subiyanto

Indonesian Petroleum Association

... and specialized seismic data processing. Forward modeling takes the form of estimating the shear wave velocity (W) from P-wave velocity (V) using the relation...

1990

Abnormal Pressure Evaluation of the Recent Pliocene and Miocene Gas Discoveries from the Eastern Nile Delta, Egypt, Using 2D and 3D Seismic Data

Philip D. Heppard and Martin L. Albertin

Houston Geological Society Bulletin

.... Both stacking velocities supplied by contractors from regional 2D lines, a 3D survey, and interval velocities derived from depth migration before stack...

1998

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... upon its own merits, below is a comparison of two such methods for estimating rock properties from seismic data. Specifically a comparison...

2013

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... upon its own merits, below is a comparison of two such methods for estimating rock properties from seismic data. Specifically a comparison...

2013

Abstract: Role of Long Period Long Duration Seismic Events in Hydraulic Stimulation of the Barnett Shale; #90000 (2016)

Indrajit Das

Search and Discovery.com

... are coming from by a) estimating the backazimuth from the apparent velocity of arrival and b) stacking of the amplitude after correcting for arrival...

2016

Shear Velocity Prediction and its Rock Mechanic Implications, #41296 (2014)

Yexin Liu, Zhuoheng Chen, Kezhen Hu

Search and Discovery.com

... estimation. We propose a method for estimating the shear velocity from P-wave velocity, porosity, shale content and saturation. The response equation...

2014

Lithology characterisation of the roof and floor of the Moranbah measures coal seam using post-stack and pre-stack seismic inversion

Margarita Pavlova

Petroleum Exploration Society of Australia (PESA)

... looking at the relationship between lithology/gamma ray response and compressional impedance I observed that massive, blocky sandstones have high velocity...

2019

Correlation of seismic velocity and mechanical properties of metasandstone from CTW-1 well, Seri Iskandar, Perak, Malaysia

Norsyafiqah Salimun, Abdul Ghani Rafek, Khairul Arifin Mohd. Noh

Geological Society of Malaysia (GSM)

...Correlation of seismic velocity and mechanical properties of metasandstone from CTW-1 well, Seri Iskandar, Perak, Malaysia Norsyafiqah Salimun, Abdul...

2019

Abstracts: Determining Microseismic Event Locations by Semblance-weighted Stacking; #90173 (2015)

David W. Eaton, Jubran Akram, Andy St-Onge, and Farshid Forouhideh

Search and Discovery.com

... algorithm to trace ray from A to B. Lower right: ray-bending algorithm. Method A velocity model is required to compute event locations. The model...

2015

Simultaneous inversion of velocity and angle-dependent reflectivity

Nizar Chemingui, Yang Yang, Jaime Ramos-Martinez, Guanghui Huang, Dan Whitmore, Sean Crawley, Elena Klochikhina, Sriram Arasanipalai

International Meeting for Applied Geoscience and Energy (IMAGE)

... and its adjoint, both parameterized in terms of velocity and vector reflectivity. The modeling process incorporates the reflectivity extracted from...

2023

Abstract: Understanding Shallow Marine Clastic Reservoir Heterogeneity from Modern Analogs Resolved by GPR and Drone Imagery;

Patrick Duff, Adam Freeze

Search and Discovery.com

...Abstract: Understanding Shallow Marine Clastic Reservoir Heterogeneity from Modern Analogs Resolved by GPR and Drone Imagery; Patrick Duff, Adam...

Unknown

Abstract: Shear Velocity Prediction and its Rock Mechanic Implications; #90174 (2014)

Yexin Liu, Zhuoheng Chen, and Kezhen Hu

Search and Discovery.com

... evaluations, the vertical stress, minimum and maximum horizontal stresses can also be estimated from the seismic inversion if the shear velocity is available...

2014

Some Relations Among Sedimentation, Stratigraphy, and Seismic Exploration

W. C. Krumbein

AAPG Bulletin

... of uniform lithology (mainly sand and shale, with about 15 per cent lime) in Oklahoma showed a range of interval velocity from 10,500 ft./sec...

1951

Abstract: Importance of Pre-Frack Site Surveys and Broadband Seismometers to Microseismic Monitoring; #90174 (2014)

N. Ackerley and N. Spriggs

Search and Discovery.com

... in the noise environment before, during and after hydraulic fracturing in the band from 20 s to 100 Hz. Advanced stacking techniques and sub-surface/near...

2014

Joint VTI and Mud Slowness Inversion Using Multiple Modes and Adaptive Weighting

Mark Collins

Unconventional Resources Technology Conference (URTEC)

... .......................................................................................................................................................(2) where vSV is the velocity of the vertical shear wave. URTeC 1562145 2 Figure 1: VTI anisotropy from horizontal layering. VTI...

2013

Modern Phenomenological Methods and Correlations for Estimating Density and Sonic Velocity of Liquid, Gas, and Supercritical CO2 for Enhanced Assessment of Borehole Acoustic and Seismic Measurements

Artur Posenato Garcia, Kristoffer Walker, Paul Theologou, Yingcai Zheng

Carbon Capture, Utilization and Storage (CCUS)

...Modern Phenomenological Methods and Correlations for Estimating Density and Sonic Velocity of Liquid, Gas, and Supercritical CO2 for Enhanced...

2025

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