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The AAPG/Datapages Combined Publications Database

Showing 20,623 Results. Searched 200,663 documents.

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Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)

J. Patrick Butler and Randy Kolesar

Search and Discovery.com

... is presented. Upward ray tracing from selected reflector segments is used to select traces from the whole prestack volume whose angle of incidence equals...

2014

Abstract: Using-MultiFocusing 3D Diffraction Imaging to Predict Fracture Corridors/swarms in the Bazhenov Formation; #90187 (2014)

Marianne Rauch-Davies, Alex Berkovitch, Danil Pelman, and Kostya Deev

Search and Discovery.com

... of the specular reflections allows creating an image that contains mostly diffraction energy. We briefly describe the theory of the MultiFocusing method...

2014

Abstracts: Time-lapse Differential AVO: Reflection Coefficient at Fluid-fluid Boundary; #90173 (2015)

Jinfeng Ma

Search and Discovery.com

... is ray parameter,  is P-wave velocity,  is shear wave velocity and  is densit y.  is P-SV wave reflection angle. Rf(p) is the fluid-fluid reflection...

2015

Application of Anisotropic 3D Reverse Time Migration to Complex North Sea Imaging; #41573 (2015)

M. A. Hall, I. F. Jones, M. C. Goodwin, I. D. Berranger, H. Zhou, P. A. Farmer

Search and Discovery.com

... depth migration is usually performed using a Kirchhoff scheme for modest structural problems with steep dips. For structures where multi-valued ray-paths...

2015

Triaxial Direct Shear Fractured Marcellus (MSEEL) Shale „ Peak and Residual Shear Strength, Permeability, and Hydroshear Potential

Nathan J. Welch, Luke P. Frash, Anne H. Menefee, J. William Carey

Unconventional Resources Technology Conference (URTEC)

... measurements were acquired through the course of experiments. Simultaneous X-ray video and computed tomography were used to directly measure fracture...

2019

Paleosols in the Upper Guantao Formation (Miocene) of the Gudong Oil Field and Their Application to the Correlation of Fluvial Deposits

Liangmiao Ye

AAPG Bulletin

..., and mineral composition. Log responses of paleosols include lower gamma-ray activity and higher sonic ^Dgrt value, relative to non-paleosol sediments...

1995

Abstract: Reservoir Characteristics of a Quaternary Channel: Incorporating Rock Physics in Seismic and DC Resistivity Surveys; #90211 (2015)

Jawwad Ahmad and Douglas Schmitt

Search and Discovery.com

... is displayed in Figure 3. Vp calculated after gas substitution is lower than water, which is according to the prediction of Gassmann’s theory. Elastic...

2015

Gamma-Ray Logging of Vibracore Holes: RESEARCH METHOD PAPER

Theresa M. Molnar, Derald G. Smith

Journal of Sedimentary Research (SEPM)

...Gamma-Ray Logging of Vibracore Holes: RESEARCH METHOD PAPER Theresa M. Molnar, Derald G. Smith 1993 Vol. 63 No. 4. (July), DEWAN, J.T., 1983...

1993

Application of Wave Equation Tomography in Frontier Areas

Tien-when Lo, Guy W. Purnell

Indonesian Petroleum Association

... computationally expensive. Beydoun, W. B. and Mendes, M., 1989, Elastic ray-Born l2 - migration/inversion: Geophysical Journal, 97, 151-160. Beylkin, G...

1990

Internal Waves and the Nepheloid Layer on the Continental Shelf in the Gulf of Mexico

David W. McGrail, Richard Rezak

GCAGS Transactions

... on a unidirectional current. Classical theory and laboratory experiments have shown that when these waves propagate on to a slope they may become unstable, break...

1977

Unusual Calcite Cementing of Quartz Grains on Chandeleur Island Beach, Offshore Louisiana

Hugh J. Mitchell-Tapping

GCAGS Transactions

... in the literature for many years and have proposed such theories as the theory of the intermixing and evaporation of marine and meteoric waters...

1983

Deconvolution Using Matlab Script to Identify Fault-Seal

Maulana Hutama Rahma Putra, Irvan Rahadian Putra

Indonesian Petroleum Association

... on deconvolution zero-spiking theory with Matlab environment. Reflection Coefficient When a wave interface some boundary between different layer...

2018

Abstract: Time-lapse AVO Inversion; #90187 (2014)

A. Nassir Saeed, Laurence R. Lines, and Gary F. Margrave

Search and Discovery.com

... of accuracy and computation time. Theory of Time-lapse AVO inversion For two given data sets (base, d0, and a monitor, d1), reflectivity data can be written...

2014

Characterization and Modeling of a CO2 Huff n Puff to Predict and Verify EOR Production and CO2 Storage, #80097 (2010)

Damion J. Knudsen, Charles D. Gorecki, Jordan M. Bremer, Yevhen I. Holubnyak, Blaise A. Mibeck, Darren D. Schmidt, Steven A. Smith, James A. Sorensen, Edward N. Steadman, John A. Harju

Search and Discovery.com

..., fracture density, and missing zones or logs in the study area. Petrophysical results were verified with Qemscan, x-ray diffraction, petrographic...

2010

Spherical-Wave Computational AVO Modelling in Elastic and Anelastic Isotropic Two-Layer Media; #41564 (2015)

Arnim B. Haase, Charles P. Ursenbach

Search and Discovery.com

... is parallel to the ray direction for PP reflected waves, and perpendicular for converted waves. Other displacement components are neglected. [This is the sole...

2015

Wave-Equation-Based Target-Oriented Inversion for Reservoir Characterisation, #41759 (2016).

Dries Gisolf, P.R. Haffinger, P. Doulgeris

Search and Discovery.com

... - Linearised theory based on primary reflection coefficients and primary travel times. - Inversion result band-limited by seismic wavelet. - Absolute...

2016

The Stratigraphy, Structure, and Economic Aspects of the Paleozoic Strata in Erath County, North-Central Texas

Jerel W. Flippin

Dallas Geological Society

... be defined by plate tectonic theory. Exploration has been predominantly centered in the northern portion of Erath County. Present production is from...

1982

Chemostratigraphy of Carbonate Gravity Flows of the Wolfcamp Formation in Crockett County, Midland Basin, Texas

Alex P. Blizzard, Julie M. Bloxson

GCAGS Transactions

... in northwest Crockett County, Texas. High-resolution chemostratigraphy was conducted using X–ray fluorescence along with total organic carbon, X–ray...

2020

Geochemistry of Sediments from Eleven Black Sea Cores: Geochemistry

D. M. Hirst

AAPG Special Volumes

... al., 1970, Petrographic, mineralogic, and X-ray fluorescence analysis of lunar igneous-type rocks and spherules: Science, v. 167, no. 3918, p...

1974

The Gamma-Ray Log

John H. Doveton

Special Publications of SEPM

...The Gamma-Ray Log John H. Doveton Copyright © 2012, The Society for Sedimentary Geology (SEPM) Geologic Log Interpretation (SC29), 1994 THE GAMMA...

1994

Extended Abstract: Geological interpretation of Spectral Gamma Ray (SGR) in Nyalau Formation of black shale and mudstone of Central Sarawak, Malaysia

Walaa Elnasir Ibrahim, Abdul Ghani Md Rafek, Ahmed Mohamed Ahmed Salim

Geological Society of Malaysia (GSM)

...Extended Abstract: Geological interpretation of Spectral Gamma Ray (SGR) in Nyalau Formation of black shale and mudstone of Central Sarawak, Malaysia...

2018

Theory and Applications of Time Series Analysis to Wireline Logs: Chapter 5

John H. Doveton

AAPG Special Volumes

...Theory and Applications of Time Series Analysis to Wireline Logs: Chapter 5 John H. Doveton 1994 97 125 CA 2: Geologic Log Analysis Using Computer...

1994

The Influence of Stratigraphy and Rock Mechanics on Mesaverde Gas Distribution, Piceance Basin, Colorado

Stephen P. Cumella, Jay Scheevel

AAPG Special Volumes

... with no apparent downdip water. Biot, M. A., 1941, General theory of three-dimension consolidation: Journal of Applied Physics, v. 12, p. 155-164.Blanton, T. L...

2008

Glauconitic Sediments on the Continental Shelf off Vancouver Island, British Columbia, Canada

Brian D. Bornhold, Pierre Giresse

Journal of Sedimentary Research (SEPM)

..., glauconitic grains of various types were hand-picked for X-ray diffraction analysis using a CGR Theta 60 X-ray diffractometer with Co K radiation at 35...

1985

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