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The AAPG/Datapages Combined Publications Database
Showing 5,198 Results. Searched 196,410 documents.
Depositional facies analysis and modeling of the Judy Creek reef complex of the Upper Devonian Swan Hills, Alberta, Canada
Y. Zee Ma, Andrew Seto, Ernest Gomez
AAPG Bulletin
... is observed, the sum of each facies probabilities from their probability map should be equal to their declustered global frequencies (Ma, 2009b).Depositional...
2009
Implementation of the DIPSCAN Method to Estimate Boundary Dips in Complicated Structures by VSP Data
A. A. Tabakov, V.N.Ferentsi, H. Gravini
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... reflected waves trace. To correct calculate this trace it is necessary to take into account besides velocity model also well intersection angles...
2006
Statistical Time-Series Analysis and Sedimentological Tuning of Bedding Rhythms in a Triassic Basinal Succession (Southern Alps, Italy)
Florian Maurer, Linda Hinnov, Wolfgang Schlager
Special Publications of SEPM
... and orbital interpretation of bedding rhythms have yielded very different estimates on the duration of Middle Triassic stages. Recently, a core...
2004
Improved Methodology for Using Embedded Markov Chains to Describe Cyclical Sediments
Dennis W. Powers, Robert G. Easterling
Journal of Sedimentary Research (SEPM)
... the expected frequencies are different under the two analyses and hence the differences between observed and expected frequencies would differ. In a subsequent...
1982
Well to Seismic Ties Modeling with the Adaptive Log Analysis, #40823 (2011)
Ivan S. Deshenenkov, Dmitry A. Kozhevnikov, Kazimir V. Kovalenko
Search and Discovery.com
... contact author directly. velocity and density; the second one is carried out using adaptive model with spontaneous potential (SP) log, gamma-ray (GR) log...
2011
Abstract: Robust Surface-Consistent residual Statics and Phase Correction Part 1; #90224 (2015)
Nirupama Nagarajappa and Peter Cary
Search and Discovery.com
... and different source types. In processing, most methods to correct static errors use cross-correlation of trace pairs in a surfaceconsistent framework...
2015
The Future of Marine Seismic Acquisition?
Luc Haumonté
GEO ExPro Magazine
... in leaps and bounds. From the early days of oil exploration, when sound waves from dynamite explosions were recorded on a single hydrophone, through...
2017
Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction
Zhishuai Zhang, James W. Rector, Michael J. Nava
Unconventional Resources Technology Conference (URTEC)
... and velocity model calibration. Validation of the developed method was performed on perforation shots and shows that using head waves instead of polarization can...
2015
ABSTRACT: Analysis of Ichnofossil Associations in the Subsurface Bluesky Formation (Albian, Alberta, Canada), by Michael J. Ranger, S. George Pemberton; #91003 (1990).
Search and Discovery.com
1990
Simple Models for the Stress-Dependence of Anisotropic Seismic Velocities in Fractured Rock; #120053 (2012)
Richard L. Gibson, Jr. and Kai Gao
Search and Discovery.com
... reservoirs. Below we first outline the model for the seismic velocities, and then present examples of inversions of laboratory velocity measurements...
2012
Predation on Modern and Fossil Brachiopods: Assessing Chemical Defenses and Palatability
Carrie L. Tyler, Lindsey R. Leighton, Sandra J. Carlson, John Warren Huntley, Michał Kowalewski
PALAIOS
... frequency (sum of trace frequencies divided by the number of trace frequencies reported); SD 5 standard deviation; Min 5 the lowest trace frequency reported...
2013
Stratigraphic Predictions of Continental Margins for the U.S. Navy
James P. Syvitski, Lincoln Pratson, Damian O'Grady
Special Publications of SEPM
... acoustically at different frequencies To The principal inputs required by ECHO are profiles of bulk den sity and mean grain size provided by SEDFLUX...
1999
Horizontal Wave Testing, by Bob Hardage, #40502 (2010).
Search and Discovery.com
2010
Brittleness and Geomechanical Properties Estimation Using Wireline and Seismic Data in the Duvernay Shale Basin, Canada
Carmen C. Dumitrescu
Unconventional Resources Technology Conference (URTEC)
... seismic data with frequencies of only 60 Hz, where the whole interval shows in a single trough. The vertical and lateral variations of the elastic...
2021
Faunas of Tidal Current and Wave-Dominated Continental Shelves and Their Use in the Recognition of Storm Deposits
John B. Wilson
CSPG Special Publications
... zones that are associated with the sand sheet facies are: furrows, sand ribbons, large and small sand waves, small sand waves alone, rippled sands...
1986
Development of Limited Discrete Fracture Network Using Surface Microseismic Event Detection Testing in Canadian Horn River Basin
Claudio Virues, Jason Hendrick, Sudhendu Kashikar
Unconventional Resources Technology Conference (URTEC)
... to the vendor for the noise and detectability testing. An additional dataset was later sent for moment tensor analysis. The velocity for the imaging...
2016
Size Frequency Distributions of Sediments and the Normal Phi Curve
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
... a graphic approach. By the simple expedient of substituting a different variable directly into the form of equation 1, a normal law was developed having all...
1938
Acoustic and Related Properties of Calcareous Deep-Sea Sediments
Edwin L. Hamilton, Richard T. Bachman, Wolfgang H. Berger, Thomas C. Johnson, Larry A. Mayer
Journal of Sedimentary Research (SEPM)
... velocity. The best indices to predict sound velocity are percent sand, mean grain size, and the velocity ratio; this ratio varies from about 1.05 on top...
1982
New Approach: Using Relative Inversion with Spectral Decomposition to Distinguish Thin Layers in the 33-Series Sand Reservoirs of the Widuri Field, Southeast Sumatra, Indonesia
Ratih Muliani, Reza Widiatmo, Heri Gunawan, Pranowo Nugroho, Hairunnisa, Awal Mandong, Rino Saputra
Indonesian Petroleum Association
... reservoir interval are divided into two different reservoir sandstones (known as the 33-4 and 33-6 sands), where limestone stringers are also present...
2018
Testing Periodicity of Depositional Cyclicity, Cisco Group (Virgilian and Wolfcampian), Texas
Wan Yang , Michelle A. Kominz
Journal of Sedimentary Research (SEPM)
...Testing Periodicity of Depositional Cyclicity, Cisco Group (Virgilian and Wolfcampian), Texas Wan Yang , Michelle A. Kominz 1999 Vol. 69 (1999...
1999
Application of Multi-Scale Fracture Detection from Borehole Microresistivity Image and Dipole Shear Wave Reflection Imaging in Shale Gas Horizontal Wells: A Case Study in Changning Gas Field
DE Heng, He Fa Yao, Ran Wen, Bin Lin, Qi Cheng Fan, Yan Hui Fu,
Unconventional Resources Technology Conference (URTEC)
... gas field of PetroChina. The development magnitudes of the natural fractures in the vertical and horizontal wells are different. High angle natural...
2021
Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)
Thais A. Guirigay and John B. Bancroft
Search and Discovery.com
... wave prestack migration and velocity analysis has been developed. That is based on the consideration of prestack migration by equivalent offset...
2015
Foreword for Geophysical Part of Field Trip
R. E. Kropschot, James E. Walker
Pacific Section of AAPG
... demonstrations of a Digital Seismic Field System and of a “VIBROSEIS” System will be held for the entire field group at Stop No. 4. The geophysicists...
1965
Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)
Sunjay Sunjay,
Search and Discovery.com
...+ and R- are the wave front curvatures of the fictitious waves ΣS and ΣG, respectively, and V0 is the near surface velocity. Quantities R+ and R...
2011
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
...-upgoing and P-downgoing are different. For instance, from positive particle velocity (positive acoustic contrast), vertically oriented geophone records...
2010