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The AAPG/Datapages Combined Publications Database

Showing 223 Results. Searched 200,293 documents.

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Current Trends in Geophysics

H. E. Stommel, J. M. Graul

Indonesian Petroleum Association

... cannot be over emphasized. Digital telemetry of seismic signals has benefited from the space age technology. Digitization at the receiver, coupled...

1978

THE APPLICATION OF HIGH RESOLUTION SEISMOLOGY TO THE DELINEATION OF FAULTING AND COAL SEAM THICKNESS: A CONTINUING CASE HISTORY

Anthony R. Wagner

North Dakota Geological Society

... modeling sequence, from log digitization, through file editing and modification, to the generation of synthetic seismograms...

1984

DRILLING INTO THE ARCHIVES FOR OIL AND GAS COLLECTIONS: HOLDINGS OF THE AMERICAN HERITAGE CENTER, UNIVERSITY OF WYOMING

Ginny Kilander

Petroleum History Institute

... are frequently added and the AHC has been the recipient of several grants to help fund our digitization efforts. The success of that project led...

2013

Moving Permian Basin Technology to the Gulf Coast: the Geologic Distribution of CO2 EOR Potential in Gulf Coast Reservoirs

Mark H. Holtz, Vanessa Núñez López, Caroline L. Breton

West Texas Geological Society

..., different procedures of shapefile creation (digitization or analysis) were followed using ArcGIS software to arrive at the final package of shapefiles. All...

2005

A Model of the Configuration of the Paradox Formation in Lockhart Basin

Jeff McCleary, John E. Romie, Madeleine Fulford

Four Corners Geological Society

.... Following digitization of the files, each map was gridded, a process which converts the original scattered data into a uniform set of rows...

1987

Predicting Reservoir Heterogeneity in the Upper Cretaceous Frontier Formation in the Western Powder River Basin - An Integrated Stratigraphic, Sedimentologic, Petrophysical and Geophysical Study

Michael Hofmann, Samuel Fluckiger, Andrew Hennes, Jeff Zawila, Haihong Wang

Unconventional Resources Technology Conference (URTEC)

... and fluid properties rather than artifacts associated with varying environment corrections (or lack thereof) or the digitization process, a regional...

2015

The Use of Computerized Log Analysis to Determine in situ Lithologic Characteristics Pertinent to Secondary Recovery

R. H. Merkel, W. J. Head

CSPG Bulletin

... and 1975. Borehole diameter corrections were applied before digitization, which was done on a two-foot (0.6 m) interval. Figure 1. Structural map...

1977

Recognition of Sandstone Depositional Environment: A Grain Shape Approach, with an Example from North Padre Island

Jim Mazzullo , Donald Sims

GCAGS Transactions

... MEASUREMENT The edges of 200 quartz grains from each sample were digitized in order to calculate the Fourier series. This digitization was performed...

1983

Sedimentary Environments of the Inner Continental Shelf, Northeastern Gulf of Mexico

Joseph F. Donoghue

GCAGS Transactions

..., based on digitization of historic charts (Bedosky, 1987) average 7.2 ft/yr (2.2 m/yr). Rates of sedimentation in the upper estuary average between 0.2...

1989

Accelerating Well Construction Using a Digital Twin Demonstrated on Unconventional Well Data in North America

Gurtej S. Saini, Pradeepkumar Ashok, Eric van Oort, Matthew R. Isbell

Unconventional Resources Technology Conference (URTEC)

... Monitoring and Prediction Using Surface Mechanics Data Analytics: A Step Toward Digitization Through Agile Development. Society of Petroleum Engineers. doi...

2018

Significance of The Sedimentology and Stratigraphy for Identification of Low Contrast Low Resistivity Zones in a Clastic Outcrop of The Upper Talang Akar Formation, Musi Banyuasin, Indonesia

Amsal Frans Harapenta Surbakti, Muhammad Fadhli, Muhamad Ridho Naufalwan, Ugi Kurnia Gusti

Indonesian Petroleum Association

... are equipped with a measuring section model of the outcrop in the field. This imaging and digitization use SedLog 3.1 to describe thickness, grain size...

2021

Indonesia Upstream Oil & Gas Strategic Plan (IOG 4.0)

Adam Sheridan

Indonesian Petroleum Association

... Impacts/Enhancements Integrating eSDC, POD digitization, and field economics algorithms will streamline POD decision-making and approval, resulting...

2023

Extending the Effective Fracture Lengths through Mitigation of Water Trapping to Improve Eagle Ford Gas Production

Luchao Jin, Blaine Spies, Shashidhar Rajagopalan

Unconventional Resources Technology Conference (URTEC)

... tensiometry enhanced by video-image digitization technique. For contact angle measurements, the rock substrate was first mounted on the rock sample holder...

2021

Vision-based Sedimentary Structure Identification of Core Images using Transfer Learning and Convolutional Neural Network Approach

Baosen Zhang, Shiwang Chen, Yitian Xiao, Laiming Zhang, Chengshan Wang

Unconventional Resources Technology Conference (URTEC)

... in the direction of digitization, integration, visualization and intelligentization (Li et al., 2020). Due to the advances of DL, especially the CNN (LeCun et...

2021

Cfihos Implementation in Exxonmobil: A Common Language for Modern System Integration from a Large Scale Document-Centric to a Streamlined Progressive Data and Information Handover

I Putu Ari K. Budiasa, Annisa Silvana

Indonesian Petroleum Association

... is a goal of the digitization journey and can easily be achieved if we already have a robust data foundation. CFIHOS can help to ensure the consistency...

2024

Northern Gulf of Mexico Bathymetry and Feature Names

Holcombe, Troy L., Bryant, William R., Bouma, Arnold H., Taylor, Lisa A., and Liu, Jia Y.

GCAGS Transactions

.... In the 1970's and 1980's, (1) the collection of digital bathymetric data in the field and (2) the digitization of a majority of the historic...

2002

Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 2: Three-Dimensional Seismic Monitoring of an Enhanced Oil Recovery Process

Robert J. Greaves, Terrance J. Fulp

AAPG Special Volumes

... was chosen at this high level to eliminate surface-wave noise further and to preserve the dynamic range of the recording system for digitization...

2011

New Techniques for Stratigraphic Analysis and Correlation--Fourier Grain Shape Analysis Louisiana Offshore Pliocene

John V. Mrakovich, Robert Ehrlich, Bernhard Weinberg

Journal of Sedimentary Research (SEPM)

... in this study for generation, digitization and Fourier analysis of grain shape involved considerable time; electronics and software exist for automating...

1976

Design and Calibration of a Photo-extinction Settling Tube for Grain Size Analysis

Asahiko Taira , Peter A. Scholle

Journal of Sedimentary Research (SEPM)

... measurements; Digitization of the chart recorder trace; Computing and plotting of results. A sample is usually brought from the field in a plastic bag...

1977

Sources of Shoaling in Charleston Harbor Fourier Grain Shape Analysis

Donald S. Van Nieuwenhuise, Jeffrey M. Yarus, Robert S. Przygocki, Robert Ehrlich

Journal of Sedimentary Research (SEPM)

... phases: 1) separation of sand and silt-sized particles; 2) chemical cleaning of all samples to remove iron stain; 3) digitization of individual quartz...

1978

Comparison of Bed Form Variance Spectra Within a Meander Bend During Flood and Average Discharge

Raymond A. Levey, Bjorn Kjerfve, Rufus T. Getzen

Journal of Sedimentary Research (SEPM)

... as a result of boat motion, instrument variability, and human error in the digitization process. The spectrum was calculated using a fast Fourier...

1980

Patterns of Quartz Sand Shape Variation, Long Island Littoral and Shelf

Debra D. Riester , R. Craig Shipp , Robert Ehrlich

Journal of Sedimentary Research (SEPM)

...) with a refractive index of 1.65, appreciably greater than quartz (1.54). Digitization of the two-dimensional grain boundary was done with a microprocessor...

1982

Scanning Electron Micrographs of Quartz Sand Grains from Cold Environments Examined Using Fourier Shape Analysis

Julian A. Dowdeswell

Journal of Sedimentary Research (SEPM)

...) suggest that when mean harmonic amplitude spectra (derived from a number of grains in a given sample) are considered, digitization about the plane...

1982

Petrographic Image Analysis, I. Analysis of Reservoir Pore Complexes

Robert Ehrlich, Stephen K. Kennedy , Sterling J. Crabtree, Robert L. Cannon

Journal of Sedimentary Research (SEPM)

...; 2) image digitization; 3) image segmentation; and 4) image analysis. A sp cial effort has been made to characterize the geometry of the pore complex...

1984

A Comparison of Fourier and Fractal Techniques in the Analysis of Closed Forms

Stephen K. Kennedy, Wei-Hsiung Lin

Journal of Sedimentary Research (SEPM)

... at longer step lengths representing large scale features. This is not a relict of the vagaries of digitization: these regions reflect actual features...

1992

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