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The AAPG/Datapages Combined Publications Database
Showing 3,448 Results. Searched 200,636 documents.
Semi-automated prestack seismic inversion workflow using temporal convolutional networks
Hussain Alfayez, Robert Smith, Ayman Suleiman, Nasher AlBinHasan
International Meeting for Applied Geoscience and Energy (IMAGE)
...) Time-series applications require networks that capture the time dependence of the input sequence in order to make predictions. For time-series...
2022
Standards of Fitness for Offshore Employment
Donald G. Dawson
Indonesian Petroleum Association
... as a loose part of his personal log book. The examination frequency is as follows: Under 40 years of age 3 yearly 40 - 49 years of age 2 yearly 50...
1989
Statistical Mitigation of Depth Structure Uncertainty Using Multiple Realizations for the Ujung Pangkah Field
Donald Easley, Ferry Yustiana, Willy Brianno
Indonesian Petroleum Association
... measurements along parts of the well bore, it is a very high frequency measurement; orders of magnitude different from seismic bandwidth. The dispersion...
2011
Textural and Mineralogical Control on Tensile Strength of Eagle Ford and Manco Shales Samples
Jilin Zhang, Bitao Lai, Hui-Hai Liu, Hui Li, Dan Georgi
Unconventional Resources Technology Conference (URTEC)
..., i.e. they do NOT show clearly defined laminations under CT. Figure 5. Frequency histogram showing the distribution of tensile strength...
2016
Geological Model Predicting Optimum Sandstone Per Cent for Oil Accumulation
Kinji Magara
CSPG Bulletin
... the average sandstone thickness, the frequency of interbedding of these sandstones, and the average thickness of the shales that have contributed...
1978
Paleokarst in the Lower Middle Ordovician of Southeastern California and Adjacent Nevada and Its Bearing on the Sauk-Tippecanoe Boundary Problem
Martin Keller, John Cooper
Pacific Section SEPM
... (R.H.Miller, 1982). However, biostratigraphy based on conodonts is hampered by their infrequent occurrence and their facies dependence. Correlation...
1995
Simultaneous 3D 4C - OBC & VSP Walkaway Survey in the Attaka Field, East Kalimantan, Indonesia
Bill Borland, Phil Johnston, Mike Reblin, Suta Vijaya, Omar Kulbrandstad, Muhammad Idrees, Scott Leaney, Jan van de Mortel
Indonesian Petroleum Association
... OBC data. The gas charged sediments and poorly consolidated near-sea-bottom layers severely decrease the amplitude and frequency of the P wavefield due...
2000
Targeted nullspace shuttles as enablers of time-lapse CO2 monitoring with sparse acquisition
Kimberly A. Pike, Kristopher A. Innanen, Scott D. Keating
International Meeting for Applied Geoscience and Energy (IMAGE)
... geometry between baseline and monitor surveys, or noise in the data. The dependence of FWI results on other factors also impacts any time-lapse...
2024
A geophysical prior knowledge guided semisupervised deep learning framework for AVA inversion
Lei Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
... forward model. This reduces the dependence of the framework on training data. This GPKGS framework preserves the physical process of AVA inversion, making...
2024
Laboratory Study of Drilling Mud Rheology and Analysis of Chemical Composition from Local Clay-Illite Minerals in Central Sumatra Riau
Wahyu Indra Nugroho, Idham Khalid, Richa Melysa, Novrianti
Indonesian Petroleum Association
... (electrochemical) forces within the mud system under no-flow conditions. It differs from the yield value because of its time dependence and is broken up...
2018
NMR Signature and Quantification of Bitumen in Unconventional Source Rocks
Stacey Althaus, JinHong Chen, David Jacobi, Joshua Brothers
Unconventional Resources Technology Conference (URTEC)
.... A. 1993. T1/T2 Ratio and Frequency Dependence of NMR Relaxation in Porous Sedimentary Rocks. Journal of Colloid and Interface Science 158 (1...
2019
Time-Lapse WAW VSP Imaging of an Unconventional Reservoir Using DAS Fiber Optics
J. Andres Chavarria, Dan Kahn, David Langton, Steve Cole, Xinyang Li
Unconventional Resources Technology Conference (URTEC)
... residuals in the higher frequency range indicating differences dominated by the noise level. Strong amplitude events in the geologic column including...
2019
Geophysical Characterization of the Shallow Subsurface at a Contaminated Site in Calcasieu Parish, Louisiana
Keri B. Judice, Carl Richter, William H. Schramm, Catherine E. Bishop, Timothy W. Duex
GCAGS Transactions
... and its gradient. The G856 uses the established proton-precession method, which allows accurate measurements to be made with virtually no dependence...
2006
Man and Environment: Need for a Working Compromise
Robert O. Vernon
AAPG Bulletin
..., the frequency of the contest of affluence with environment indicates that earth scientists are failing to alert the people to their dependence on resources...
1973
Effect of Fault-Related Granulation on Porosity and Permeability of Quartz Sandstones, Simpson Group (Ordovician), Oklahoma
Edward D. Pittman
AAPG Bulletin
.... LaFountain, and R. E. Jackson, 1973, Porosity dependence and mechanism of brittle fracture in sandstone: Jour. Geophys. Research, v. 78, p. 2403-2417...
1981
Statistical Model for Source Rock Maturity and Organic Richness Using Well-Log Data, Bakken Formation, Williston Basin, United States: GEOLOGIC NOTES
Katherine B. Krystinik, Ronald R. Charpentier
AAPG Bulletin
... in the well-log data to be depth related. To eliminate this depth dependence and to expose source rock and maturation information, if present, each log...
1987
Reservoir Characterization Problems Requiring Core-Scale Characterization Solutions: Sometimes You Just Have to Know What Is Happening Every Foot; #110058 (2008)
Alan P. Byrnes
Search and Discovery.com
... sandstones. In all these systems porosity, permeability, capillary pressure, and relative permeability exhibit high frequency vertical variability...
2008
Why Not Both Conventional and Unconventional Exploration in Sub-Saharan Africa?, #30551 (2018).
James W. Granath, William Dickson
Search and Discovery.com
... the frequency spectra for the shallow Etendeka basalts (the red curve) and for the basement (black). Cathey resolved these into a prediction of the depth...
2018
Some Statistical Features of the relationship Between Rocky Mountain Arsenal Waste Disposal and Frequency of Earthquakes
George E. Bardwell
Rocky Mountain Association of Geologists
...Some Statistical Features of the relationship Between Rocky Mountain Arsenal Waste Disposal and Frequency of Earthquakes George E. Bardwell...
1966
Oil, bitumen, and other confusing concepts: What do lab experiments really tell us?
Alan K. Burnham, Andrew E. Pomerantz, and Francois Gelin
AAPG Bulletin
.... The temperature dependence of a chemical reaction is described by k = Ae −E/RT , where k is the rate constant, A is a frequency factor, E...
2018
Improving Artificial Lift Timing, Selection, and Operations Strategy Using a Physics Informed Data-driven Method
Hardikkumar Zalavadia, Prithvi Singh, Utkarsh Sinha, Sathish Sankaran
Unconventional Resources Technology Conference (URTEC)
... selection, design, and operation of ESP lift may increase its failure frequency and decrease reliability. Beam pumps, also known as rod pumps...
2023
Outcrop-constrained hydrogeological simulations of brine reflux and early dolomitization of the Permian San Andres Formation
Beatriz Garcia-Fresca, F. Jerry Lucia, John M. Sharp Jr., Charles Kerans
AAPG Bulletin
.... A46.Fernandez-Garcia, D., and J. J. Gomez-Hernandez, 2007, Impact of upscaling on solute transport: traveltimes, scale of dependence of dispersivity...
2012
Frequency, distribution, and mechanisms of evaporite karst drilling hazards in the western Delaware Basin: Learnings from historical high-density exploration in Culberson County, Texas
Andrew Roark
AAPG Bulletin
... frequency with depth in non–sulfur-bearing parts of the Castile; (2) a lack of depth dependence in the Rustler Formation events; (3) clustering of shallow...
2023
The Energy Crunch
S. Fred Singer
Oklahoma City Geological Society
..., methanol can be piped and stored at low cost. U.S. dependence on oil imports grows Within the last three years the United States has gone from close to self...
1976
Use of advanced NMR measurements to estimate key subsurface properties of organic rich shales: the case of the Vaca Muerta formation
Anton Nikitin, Alexei A. Savitski, Patricio Fita, Ruben Dominguez
Unconventional Resources Technology Conference (URTEC)
... to separate water that can flow (BVW_free) from the water that cannot flow (BVW_bound). One of the methods allowing to assess the lower limit of BVW_bound...
2025