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...

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...

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...

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...

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...

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...

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...

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...

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

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...

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...

Horizontal Wave Testing, by Bob Hardage, #40502 (2010).

Search and Discovery.com

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...