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The AAPG/Datapages Combined Publications Database
Showing 2,053 Results. Searched 200,619 documents.
Uncovering the Gas Potential of the Paraná Basin, Brazil
Patricia de Lugão, Berthold Kriegshäuser, Eric Corrêa, Aline Menezes,Isaac Santos, Kivia Gomes, Luciano Arêas, Umberto Travaglia Filho
Unconventional Resources Technology Conference (URTEC)
... Magnetotelúricos: VI Simpósio Brasileiro de Geofísica, 1-6. Rodi, W. and R. L. Mackie, 2001. Nonlinear conjugates gradients algorithm for 2-D magnetotelluric...
2022
A Machine-Learning-Based Gas Lift Optimization Workflow for Unconventional Fields
Sha (Sasha) Miao, Alexandra Vendetti, Logan Smart, Gunta Chomchalerm, Yang Chen, Christopher Frazier, Dustin Haralson, Jeremy Sorenson, Xiao Ma, Huafei Sun, Aaron Shinn, Haining Zheng, Xiao-Hui Wu, Peng Xu
Unconventional Resources Technology Conference (URTEC)
... convert this time series forecasting problem into a regression problem with the target 𝑦 being the nonlinear difference Δ...
2024
Structure-Oriented Texture Model Regression for Seismic Structure Visualization and Interpretation
Dengliang Gao
GCAGS Transactions
.... 1,811-1,819. Ramsay, J. G., 1967, Folding and fracturing of rocks: McGraw-Hill, Inc., New York, 568 p. Roweis, S., and L. Saul, 2000, Nonlinear dimensionality...
2006
A Novel Fusion: Integrating Artificial Neural Networks and Production Fit Models for Swift and Coherent Data-Physics Predictive Modeling of a Mature Oil Field in Texas
Felipe Ospina, Pallav Sarma, Carlos Calad
Unconventional Resources Technology Conference (URTEC)
... their impact on production. Scenario Insights: For example, modifying the frac mass showed a nonlinear impact on production, where increases beyond...
2024
Design and Operation of a Triaxial, High-Temperature, High-pressure Compaction Apparatus: NOTES
C. T. Sawabini , G. V. Chilingar , D. R. Allen
Journal of Sedimentary Research (SEPM)
... in Engineering Practice: John Wiley and Sons, Inc., New York, N.Y. VAN DER KNAAP, W., 1959, Nonlinear behavior of clastic porous media: AIME, Trans. v...
1971
An Explanation for the Lack of a Dilute Freshwater Lens in Unconfined Tropical Coastal Aquifers: Yucatan Example
Ronald K. Stoessell, James G. Coke
GCAGS Transactions
... constant temperatures with decreasing depth at Ucil, Sabak-Ha, Angelita, and Chumkopo, nearly constant temperature at Santa Maria, and nonlinear...
2006
Universal Material Balance Equation for the Analysis of Condensate Gas Reservoirs with Edgewater and Bottomwater Drive Aquifer
Junlei Wang, Yunsheng Wei, Haifa Tang, Dong Chen
Unconventional Resources Technology Conference (URTEC)
... of the gas condensate samples Tuning the 3-parameter Peng-Robinson equation of state (PR3 EOS), using nonlinear regression proposed by Whitson et al. (1999...
2025
Mitigating the Effect of Water in Multiphase Flowing Material Balance
Leslie G. Thompson
Unconventional Resources Technology Conference (URTEC)
... Standard conditions w = Water References Aanonson, S. I. 1985: Nonlinear Effects During Transient Fluid Flow in Reservoirs as Encountered in Well-Test...
2025
Detecting Resistivity Tool Malfunctions in Coiled Tubing Drilling Using Generative Artificial Intelligence
Carlos Urdaneta, Cheolkyun Jeong, Xuqing Wu, Jiefu Chen
Unconventional Resources Technology Conference (URTEC)
... the structure of its latent space using a nonlinear dimensionality reduction technique. Each multichannel input sample was first mapped to a 10-dimensional...
2025
Origin of Surface Pits on Quartz as Revealed by Scanning Electron Microscopy
V. Subramanian
Journal of Sedimentary Research (SEPM)
... or shelf environment, based on the number of impact V-pits per unit square area of the grain; they have found positive but nonlinear increase...
1975
Analysis of Rock Properties
Mike Shepherd
AAPG Special Volumes
... to discrete groups in terms of rock properties. Nonlinear porosity and permeability relationships are seen for instance. Individual lithofacies show...
2009
Application of a Modern Electrical Borehole Imager and a New Image Interpretation Technique to Evaluate the Porosity and Permeability in Carbonate Reservoirs: A Case History from the Permian Basin, United States
Vivek D. Chitale, Clive Johnson, David Entzminger, Lyn Canter
AAPG Special Volumes
... data using various filtering techniques (Luthi and Souhaite, 1994) and a nonlinear regression (Figures 4, 5). The process of determining permeability...
2010
Sensitivity Analysis of Hydraulically Fractured Shale Gas Reservoirs
Xu Zhang, C. Mike Du
AAPG Special Volumes
... Table 1 for descriptions of the symbols.QUADRATIC RESPONSE SURFACETo predict the curvature shape of response surfaces, nonlinear or quadratic response...
2011
Stability of slope along steep road in Abha, Asir Region, Kingdom of Saudi Arabia
Saiful Islam, Rini Asnida Abdullah, Javed Mallick, Mohd Ahmed
Geological Society of Malaysia (GSM)
... is to solve various problems related to geo-mechanics (Itasca, 2003). Three-dimensional nonlinear analysis scheme is used by implementing the finite...
2019
Multigroup Discrimination of River, Beach, and Dune Sands Using Roundness Statistics
Basanta K. Sahu
Journal of Sedimentary Research (SEPM)
...) projected discriminant scores are correlated, and hence partitioning boundaries among the groups become nonlinear (curved) and cannot be easily...
1982
Determination of Geomechanical Parameters from Geophysical Logs: Section IV. Exploration Methods
M. B. Dusseault
AAPG Special Volumes
... with the fluid flow model, nonlinear water permeabilities during flushing, and so on, render the solution strongly nonunique. Because pore-pressure state...
1987
Porosity of the Miami Limestone (Late Pleistocene), Lower Florida Keys
James W. Schmoker, Timothy C. Hester
Journal of Sedimentary Research (SEPM)
... therefore be regarded as a speculative interpretation. A nonlinear relation between mineralogical stabilization and porosity decrease is suggested...
1986
A Simple Photogrammetric Method to Improve Quantitative Image Analysis in Geoscience Research: RESEARCH METHODS PAPERS
Jesus E. Caracuel, Javier Cardenal, Jorge Delgado-Garcia, Santiago Garcia-Lopez
Journal of Sedimentary Research (SEPM)
... planar taluses, because it enabled the rotation, translation, scale changes, and nonlinear fitting coefficients for systematic error corrections, from...
2000
A Field Method for Determining the Firmness of Colonized Sediment Substrates
Murray K. Gingras , S. George Pemberton
Journal of Sedimentary Research (SEPM)
... between the depth of the indent and the pressure exerted by the substrate during impact is nonlinear, and the practical measurable range using a 25.4...
2000
Evaluating the Development of Upper Jurassic Reefs in the Smackover Formation, Eastern Gulf Coast, U.S.A. Through Fuzzy Logic Computer Modeling
William C. Parcell
Journal of Sedimentary Research (SEPM)
... et al. 1998). The fuzzy logic method allows for quantification of qualitative data and modeling of complex nonlinear relationships with large...
2003
Numerical Forward Modeling of Carbonate Platform Dynamics: An Evaluation of Complexity and Completeness in Carbonate Strata
Peter M. Burgess, V. Paul Wright
Journal of Sedimentary Research (SEPM)
... subsidence rate and decreasing transport rate, but shows a nonlinear relationship with subsidence rate. This suggests that reliable estimates...
2003
Deep-Sea Trenches and the Compression Assumption: DISCUSSION
Walter S. Olson
AAPG Bulletin
... in Figure 2. The nonlinear scales are compromises designed to allow better detail above 100 km. A descending plume of cold mantle material is shown along...
1974
Geochemistry of Artificially Heated Humic and Sapropelic Sediments--I: Protokerogen
K. E. Peters , B. G. Rohrback , I. R. Kaplan
AAPG Bulletin
... of the S2 peak evident in pyrograms of Staten Island peat kerogen (Fig. 7) is distinctly nonlinear when plotted versus atomic H/C (Fig. 8). Staten Island...
1981
I would rather be vaguely right than precisely wrong: A new approach to decision making in the petroleum exploration and production industry
Reidar B. Bratvold, Steve H. Begg
AAPG Bulletin
... the outcomes of nonlinear systems.Dynamic and adaptable. The model should simulate the behavior of the system as it evolves (uncertainties are resolved...
2008
Evidence for stratigraphically controlled paleogeotherms in the Illinois Basin based on vitrinite-reflectance analysis: Implications for interpreting coal-rank anomalies
Jorge Mariño, Stephen Marshak, and Maria Mastalerz
AAPG Bulletin
... on measurements from the southern domain is relatively high, the data do hint that the paleogeothermal gradient is nonlinear in the Carboniferous section...
2015