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The AAPG/Datapages Combined Publications Database

Showing 1,444 Results. Searched 200,357 documents.

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Abstract: The Mantle under Betics and Gibraltar Arc from Seismic Anisotropy and Body-Wave Dispersion

Götz Bokelmann, Emeline Maufroy, Luisa Buontempo, Jose Morales, and Guilhem Barruol

Search and Discovery.com

... is not wellilluminated by seismic rays for tomography. Key words: Seismology, Anisotropy, Subduction, Delamination...

2008

Abstract: Identifying Horseshoe Canyon Coal Water Saturation Differences Using Cased Hole Data; #90171 (2013)

Jay Williams and Quinton Rafuse

Search and Discovery.com

.... Pulsed Neutron, Quad NeutronTM porosity with ancillary curves, High Resolution Temperature, Dual Energy Gamma Rays, Clay Content, Chemical Effect...

2013

Abstract: Improve Your Petrophysical Evaluation in Mature Fields: New Mineralogical Pulsed Neutron Technology for Case Hole; #90237 (2015)

Gustavo Diaz, César Gazzera, Freddy Mendez, Nora Alarcon, Martin Paris, and Angel Lopez

Search and Discovery.com

... be showed by spectroscopic analysis of the measured gamma rays after applying borehole corrections in open-hole conditions. Proper software allows...

2015

Abstract: Conceptual Models Based on Outcrop Analogy: The Evolution and Impact of New Technologies; #90282 (2016)

Daniel Alberto Boggetti

Search and Discovery.com

...). The possibility of measuring multispectral gamma rays, magnetic susceptibility, and spectral reflectance from field profiles greatly facilitates...

2016

Abstract: Porosity and Permeability Computation with Multiscale X-ray Micro Computed Tomography Imaging in Late Carboniferous Sandstones; #91204 (2023)

Aqeel Furaish, Ivan Deshenenkov

Search and Discovery.com

...-rays passing through a rock sample. A three-dimensional model can be created, where each resolvable cubic sub-domain is a voxel. DRP assigns each...

2023

Abstract: Application of Pulsed Neutron Technology for Hydraulic Stimulation Effectiveness Assessment; #91204 (2023)

Carlos Vargas and Natasa Mekic

Search and Discovery.com

... neutron capture cross section of gadolinium produces characteristic gamma rays in sufficient quantities to be detected by the pulsed neutron logging...

2023

A Method for the Determination of the Relative Radioactivity of Mineral Grains

S. A. Tyler, J. J. Marais

Journal of Sedimentary Research (SEPM)

... in thin emul ions is equal to the number of alpha-particles incident upon the emulsion. ß-rays however require five to 10 hits on the same silver bromide...

1941

Comparative Fabrics of Length-Slow and Length-Fast Calcite and Calcitized Aragonite in a Holocene Speleothem, Carlsbad Caverns, New Mexico

Robert L. Folk, Riccardo Assereto

Journal of Sedimentary Research (SEPM)

... fibrous aragonite are now converted to calcite; they are recognized by ghost square-ended rays 0.2-0.7 mm wide and 2-4 mm long, now replaced...

1976

X-Ray Radiography of Coal

Robert Vinopal

Journal of Sedimentary Research (SEPM)

... uniformly and are transparent to X-rays at the voltage utilized. A slab thickness of 2 mm was chosen as a standard thickness for this study. A Field...

1979

Forward Modeling of Seismic Data: Part 7. Geophysical Methods

George Mellman, Paul A. Kunzinger

AAPG Special Volumes

... stac ed section simulations. Another approximation, called image rays (Hubrel, 1977), makes it possible to simulate time-migrated data directly...

1992

Diagenetic Fabrics of Aragonite, Calcite, and Dolomite in an Ancient Peritidal-Spelean Environment: Triassic Calcare Rosso, Lombardia, Italy

Riccardo Assereto , Robert L. Folk

Journal of Sedimentary Research (SEPM)

..., AND FOLK, ROBERT L., 1976, Brick-like texture and radial rays in Triassic pisolites of Lombardia, Italy: A clue to distinguishing ancient aragonite...

1980

Measuring Behind Casing Water Flow

T. M. Williams

Indonesian Petroleum Association

... to activate oxygen in the flowing water. The resulting high energy gamma rays are detected with two crystal detectors. By using the counts...

1987

Finding By-Passed Oil Using the Reservoir Saturation Tool in Lirik, South Sumatra

Bambang Djoko, Nuke Nugraha, Cholid Mas, Yan Sudarmo

Indonesian Petroleum Association

... by a pulsed neutron generator. When bombarded by neutrons, every element in the formation emits Gamma rays of specific energy Spectrum unique...

1993

Induced Gamma Ray Spectroscopy (IGS) Log Application in the Java Sea

Cholid Mas, Anna Maria, Mark Schneider, Bambang Hari Setiyawan

Indonesian Petroleum Association

... accelerator source. Neutron interactions with the formation produce gamma rays. The number of gamma rays and their energies form a spectrum...

1996

Application of Pulsed Neutron Elemental Spectroscopy Measurements in Heavy Oil and Shale Gas Reservoir Evaluation

Search and Discovery.com

... tool (Formation Lithology Explorersm ) which utilizes a pulsed neutron source permits the measure of gamma rays emitted by the interactions...

2013

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

J. Patrick Butler and Randy Kolesar

Search and Discovery.com

... us to analyze the velocity on a small number of traces. Now, even for NMO, the rays for the traces within a CDP form fans which cover a region...

2014

Advanced Techniques for On-Line Monitoring of Brown Coal Quality

R M Borsaru, N G Cutmore, A L Ottrey, B D Sowerby

Petroleum Exploration Society of Australia (PESA)

... capture cross-section and weight percent. The nuclei that captured neutrons emit, within a very short time (<10 -l 9 sec), characteristic gamma-rays...

1992

Coastal Processes and Depositional Patterns on Cape Ann, Massachusetts

Robert W. Cunningham , William T. Fox

Journal of Sedimentary Research (SEPM)

... winds refract outside of the study area so that they become more easterly as they approach the coast. Figure 2B shows wave rays of 10 second storm...

1974

Cross-Well Seismology: A New Production Tool

B. N. P. Paulsson, R. T. Langan

Indonesian Petroleum Association

... of Toronto. Langan, R. T., Lerche, I., and Cutler, R. T., 1985. Tracing of rays through heterogeneous media: An accurate and efficient procedure...

1988

An Overview of Ray Trace Modeling with an Example from the Wichita Mountain Front in Southern Oklahoma

Jan Dodson, Roger A. Young, Kevin Smart

Oklahoma City Geological Society

... times through the layers, and 3.) the amplitude of the reflection. If the velocities are the same, there will be no reflection. Rays reflecting from...

2001

Delaware Basin Horizontal Wolfcamp Case History: HTI Fracture Analysis to Avoid H2S and Extraneous Water Linked to Graben Features

Scott Cook, Mike McKee, Sid Bjorlie

Unconventional Resources Technology Conference (URTEC)

... is highly fractured and considered seismically “slow”. For a CMP located within the graben, the vast majority of rays will arrive at the fast velocity...

2019

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