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The AAPG/Datapages Combined Publications Database
Showing 10,140 Results. Searched 200,357 documents.
4D batch FWI Sampling the null-space and random matrix theory
Madhav Vyas, Simon Luo, Esteban Díaz
International Meeting for Applied Geoscience and Energy (IMAGE)
... multiplicative perturbation theory. Second, framing the inverse problem in batches can be effective in achieving optimal learning rates. There is a large body...
2024
Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)
Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson
Search and Discovery.com
... considered unreliable, and so are often not included in the calculation of near-surface velocities. For this project, carefully edited uphole times were...
2015
Data selection for velocity model estimation using a circular shot OBN survey
Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe Capuzzo, Roger M. Moreira, Jorge Lopez, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
..., (Lailly, 1983). The gradient calculation preconditioned by source illumination (Kaelin and Guitton, 2006; Costa et al., 2023) can be expressed...
2023
Evidence of Fluid Flow in Microfractures in Geopressured Shales: REPLY
R. M. Capuano
AAPG Bulletin
... to marginal inverse linear relationship. In addition, no consideration was made for complexing in these solutions. A barite saturation surface...
1994
Application of Physics Informed Neural Networks to Compositional Modelling
Thelma Anizia Ihunde, Olufemi Olorode
Unconventional Resources Technology Conference (URTEC)
... includes pressure (P), temperature (T), and the overall mole fraction of each fluid component (zi). The output of the flash calculation includes...
2021
Basic Relationships of Well Log Interpretation: Chapter I
George B. Asquith, Charles R. Gibson
AAPG Special Volumes
... the drilling mud) are trapped on the side of the borehole and form mudcake (Rmc; Fig. 1). Fluid that filters into the formation during invasion is called...
1982
Petrography and Reservoir Physics III: Physical Models for Permeability and Formation Factor (1)
ROBERT EHRLICH , EDWARD L. ETRIS , DAVID BRUMFIELD , L. P. YUAN , and STERLING J. CRABTREE
AAPG Bulletin
... for permeability and electrical conductivity (inverse formation factor). These models assume a porous medium that has large numbers of flow paths parallel...
1991
The Problem of the Random Earthquake in Seismic Hazard Analysis: Wasatch Front Region, Utah
James C. Pechmann, Walter J. Arabasz
Utah Geological Association
..., and 17 km for annual probabilities (inverse return periods) of 1/95, 1/200, 1/475, and 1/2373, respectively. Based on these distances, the calculated...
1995
Hierarchical machine learning workflow for conditional and multiscale deep-water reservoir modeling
Wen Pan, Honggeun Jo, Javier E. Santos, Carlos Torres-Verdín, and Michael J. Pyrcz
AAPG Bulletin
... model calculation available with the hierarchical stochastic pix2pix workflow is critical to the practical solutions of reservoir inverse problems...
2022
Advances in Simulation of Hydrocarbon Production From Shale Reservoirs
Masoud Alfi, Zhi Chai, Bicheng Yan, Brian C. Stimpson, Maria A. Barrufet, John Killough
Unconventional Resources Technology Conference (URTEC)
.... Capillary pressure effect on phase behavior of reservoir fluid is analyzed where a dynamic interfacial tension calculation process is incorporated...
2017
Irian Jaya-Papua New Guinea Hydrocarbon Exploration: Constraints from Regional Distribution of Geothermal Gradients and Heat Flow
John D. Pigott
Indonesian Petroleum Association
..., therefore, to minimize these volcanic effects and lessen artificial trends during contouring by utilyzing an inverse distance method of interpolation...
1994
The Goodness-of-fit to Ideal Gauss and Rosin Distributions: A New Grain-size Parameter
Ruprecht Schleyer
Journal of Sedimentary Research (SEPM)
... of probability up to the point where verification changes into falsification is quite time-consuming and statistically controversial. CALCULATION...
1987
Paleoslope Reconstruction In Sandy Suspended-Load-Dominant Rivers
Ranie M. Lynds, David Mohrig, Elizabeth A. Hajek, Paul L. Heller
Journal of Sedimentary Research (SEPM)
... considerations are necessary because of the inverse correlation between and the nondimensional stress for incipient particle motion, or Shields number...
2014
Current Uses of Computers by Exploration Geologists
J. M. Forgotson, Jr. , C. F. Iglehart
AAPG Bulletin
... the design and use of special types of filters that can not be End_Page 1203------------------------------ built into the physical apparatus...
1967
An Analysis of the Implicit Assumptions of the Methodology of Seismic Sequence Stratigraphy: Chapter 21: Sea-Level and Seismic Stratigraphic Studies
Julian A. Thorne
AAPG Special Volumes
.... These assumptions are divided into four groups: (1) seismic stratal geometry identification, (2) the depositional sequence model, (3) the inverse model...
1992
Injection Wells and Operations Today
Erle C. Donaldson
AAPG Special Volumes
... pH control, the waste is filtered in rack-type pressure filters that are designed for backwash and precoat operation as completely closed systems...
1972
Left Behind: A Thrilling Post-Expulsion Adventure of Producible Hydrocarbons Remaining in Source Rocks
Shawn Wright, Nicholas J. Hogancamp, John Guthrie, Jennifer Wolters
Unconventional Resources Technology Conference (URTEC)
... rock is producible by investigating the source rocks petroleum expulsion efficiency (PEE), which is a calculation of the relative proportions...
2021
Three-Dimensional Seismic-Reflection Techniques
Hermann Buchholtz
Circum Pacific Council Publications
.... Two main points have been considered: the calculation of traveltime shifts and the splitting of the time differences into shot and geophone corrections...
1989
Integrating Solvent Extraction With Standard Pyrolysis to Better Quantify Thermal Maturity and Hydrocarbon Content in the Oil Window
Dylan R. Collins, Scott Lapierre
Unconventional Resources Technology Conference (URTEC)
.... These reductions were strongly correlated with Tmax, which enables the calculation of an alternative maturity proxy. Depending on thermal maturity, 20-65...
2014
Coherence Attribute Applications on Seismic Data in Various Guises
Satinder Chopra, Kurt Marfurt
Unconventional Resources Technology Conference (URTEC)
... and Trinchero (2015) described the application of amplitude-volume-technique (AVT) workflow that aids seismic interpretation. It entails the calculation...
2018
Analytical and Numerical Studies of Sand Erosion in Electrical Submersible Pump (ESP) Systems
Saúl Gómez Díaz de Bonilla, Her-Yuan Chen
Unconventional Resources Technology Conference (URTEC)
... also recommended the use of filters or screens. Marsis and Russell (2013) used CFD simulation (ANSYS) to study the erosion rate in ESP. Simulations were...
2019
Calibration of Double-Ended Distributed Temperature Sensing System for Production Logging
Ge Jin, Kyle Friehauf, Baishali Roy
Unconventional Resources Technology Conference (URTEC)
... they used in the calculation may induce substantial bias if the difference between calibrated temperature and reference temperature is large. Hausner...
2019
Nano-Imaging of Shale using Electron Microscopy Techniques
Laura Froute, Anthony R. Kovscek
Unconventional Resources Technology Conference (URTEC)
... for a perfect sphere. An absolute permeability calculation simulates an experiment leading to the computation of absolute vertical permeability (i.e....
2020
Budget of Calcium Carbonate, Southern California Continental Borderland
Stephen V. Smith
Journal of Sedimentary Research (SEPM)
... mineralogy and the budget calculation of the dissolved Ca sources involve forced closure on zero. BUDGET OF TOTAL CaCO3 TRANSFER Mechanical Transfer...
1971
Quantification of Quartz Cements Using Combined Sem, CL, and Image Analysis
Jonathan Evans , Andrew J. C. Hogg , Mark S. Hopkins, Richard J. Howarth
Journal of Sedimentary Research (SEPM)
... phases to be differentiated manually or by additional image processing using textural filters. Sampling Statistics Rock specimens are usually...
1994