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The AAPG/Datapages Combined Publications Database
Showing 10,162 Results. Searched 200,636 documents.
Noonday Tubes: Observations and Reinterpretations Based on Better Preservation from a New Locality
Pedro J. Marenco, Frank A. Corsetti, David J. Bottjer
Pacific Section SEPM
... that the lamination in the tubes is concave up and inverse to that of the stromatolitic host material (Fig. 2a, b). In thin section, the tube fill is microspar (Fig...
2002
Grain Analyses of Minerals of Sand Size in Ball Mills
Harold L. Alling
Journal of Sedimentary Research (SEPM)
...); there is no agreement about the choice of the formula for the calculation of the value of this characteristic. The formula advocated by Bowley (6, pp. 110-117...
1944
Evaluating Completion and Stimulation Effectiveness of Multi-Zone Wells with Production Logs
Mike Mullen, Mike Sagan, Gary Frisch
West Texas Geological Society
... was about 1000 psi greater than for the upper zone. The step-rate test data showed inverse results to those suggested by the treating pressures. Due...
1994
Noise suppression and compressive sensing recovery with seismic-adapted DnCNN within RED
Nasser Kazemi
International Meeting for Applied Geoscience and Energy (IMAGE)
... s = Yx, Y is inverse transformation matrix, and x is a sparse representation of signal of interest in the transformed domain. To recover the signal...
2024
Time-Lapse Petro-Elastic and Seismic Modeling to Evaluate Fracturing Efficiency in Low-Permeability Reservoirs
Masoud Alfi, Zhi Chai, Anshuman Pradhan, Travis Ramsay, Maria Barrufet, John Killough
Unconventional Resources Technology Conference (URTEC)
...; this calculation is performed using 𝐾minral (bulk modulus of intrinsic minerals), 𝐾 𝜙 (stiffness of the pore space or inverse of formation...
2018
A New Model for Pressure Transient Analysis of Fractured Horizontal Wells in Shale Gas Reservoirs With Continuum and Discrete Fracture Networks
Zhiming Chen, X W. Liao, H Zhang, Wei Yu, X D. Shen, Xiaoqing Shang, J L. Zhang, Hongyang Chu, Qingling Liu
Unconventional Resources Technology Conference (URTEC)
... ) in time domain is obtained using Laplace inverse transformation. p wD ( s, S , CD ) = S + s p wD s + CD s 2 ( s p wD + S ) (40) 5 Model...
2018
Computer Aided Mapping of the Hackberry Unconformity in Northeastern Calcasieu Parish, Louisiana
Thomas C. Chandler , Gary L. Kinsland
GCAGS Transactions
... neighbor wells. Weighting was based on the inverse of the distance squared from the neighbor well to the intersection point. This method of calculation...
1990
Characterizations and Estimates of Ultimate Recoverability for Regional Gas Accumulations in the Greater Green River and Wind River Basins
Ray Boswell, Kelly Rose
AAPG Special Volumes
... for each cell, and recoverability is determined through the application of numerical models that estimate per-cell recovery factor using an inverse...
2008
Estimation of Total Organic Carbon (TOC) Content of Shale from AVO Inversion: A New Crossplot Approach Based on Zoeppritz Equations
Un Young Lim, Richard Gibson Jr., Nurul Kabir
Unconventional Resources Technology Conference (URTEC)
... for the calculation. Their proportional compositions in matrix were determined with a ternary diagram of mineralogy of Eagle Ford samples investigated by Harbor...
2019
Interpreting Inter-Well Poroelastic Pressure Transient Data: An Analytical Approach Validated with Field Case Studies
Brendan Elliott, Ripudaman Manchanda, Puneet Seth, Mukul M. Sharma
Unconventional Resources Technology Conference (URTEC)
... to have the ability to run multiple cases for doing an inverse problem, implement the solutions in real time, or simply to have a handy process...
2019
Laboratory Investigation of Leakoff During Hydraulic Fracturing into Bedding Interfaces
Bradley C. Abell, Pengju Xing, Andrew Bunger, Egor Dontsov, Roberto Suarez-Rivera,
Unconventional Resources Technology Conference (URTEC)
... cross-sectional area to flow (i.e., fill ratio), using water as a carrier fluid. Inset shows the geometric approximation for the flow calculation during...
2019
Drilling and Completion Anomaly Detection in Daily Reports by Deep Learning and Natural Language Processing Techniques
Hongbao Zhang, Yijin Zeng, Hongzhi Bao, Lulu Liao, Jian Song, Zaifu Huang, Xinjin Chen, Zhifa Wang, Yang Xu, Xin Jin
Unconventional Resources Technology Conference (URTEC)
... is the product of TF (term frequency) and IDF (inverse document frequency), which is used to evaluate the importance of a word for a text record...
2020
Gulf of Mexico Subsalt Deformation Zones: Weak Formation Integrity Rather than Anomalous High Pressure Zones
James C. Niemann
GCAGS Transactions
...), Terzaghi and Peck (1948) and Hubbert and Rubey (1959), who established that porosity is an inverse exponential function of the effective stress...
1997
Geological and Computer Modeling of Upper Jurassic Smackover Reef and Carbonate Shoal Lithofacies, Eastern Gulf Coastal Plain
Ernest A. Mancini , William C. Parcell , D. Joe Benson , Hannah Chen , Wen-Tai Yang
GCAGS Transactions
..., ambiguous and vague data. It provides a means to build dynamic forward and inverse models based on qualitative information in the form of geological...
1998
Transforming Video Camera-Based Analytics into a Well Performance Indicator
Souvick Saha, Glyn Roberts, Carl Strubberg, Joe McDonald
Unconventional Resources Technology Conference (URTEC)
..., the shape (circularity) aspect of perforations which perhaps have impact on calculation of perforation friction pressure has not been studied...
2022
New Methods for Assessment of Permeability and Saturation-Dependent Relative Permeability in Tight Rock Samples
Sabyasachi Dash, Zoya Heidari
Unconventional Resources Technology Conference (URTEC)
... and Geosystems Engineering at The University of Texas at Austin. References Aster, R.C., Borchers, B., and Thurbur C.H. 2005. Parameter Estimation and Inverse...
2024
Physics-Informed Deep Learning Models for Improving Shale and Tight Forecast Scalability and Reliability
Kainan Wang, Lichi Deng, Yuzhe Cai, Guido Di Federico, Keith Ramsaran, Mun-Hong Hui, Hussein Alboudwarej, Christian Hager, Yuguang Chen, Xian-Huan Wen
Unconventional Resources Technology Conference (URTEC)
... for unconventional reservoir development. An in-house machine learning model was developed for BHP calculation to further augment the dataset of gauge measurements...
2024
Near-Shore Ripples: Some Hydraulic Relationships
A. S. Trenhaile
Journal of Sedimentary Research (SEPM)
... of the experimental sand. End_Page 560------------------------ Ripple Indices: their Selection and Calculation Although many indices expressing various aspects...
1973
Laboratory Measurements on Core-scale Sediment and Hydrate Samples to Predict Reservoir Behavior
Timothy J. Kneafsey, Yongkoo Seol, George J. Moridis, Liviu Tomutsa, Barry M. Freifeld
AAPG Special Volumes
... the inverse problem by automatically calibrating a TOUGH2 model against observed data; here, the temperature data. Thermal conductivity or any TOUGH2 input...
2009
Design and Calibration of a Photo-extinction Settling Tube for Grain Size Analysis
Asahiko Taira , Peter A. Scholle
Journal of Sedimentary Research (SEPM)
.... This calculation will be valid in the case of a sample which has grains of relatively uniform compositions and shape. DESIGN AND CONSTRUCTION Figures 2 and 3...
1977
Integrating Geoscience and Machine Learning beyond XYZ: Enhancing Production Insights in the Haynesville Play
Alex Blizzard and Toby Burrough
GCAGS Transactions
... within Kingdom Petrophysics. The calculation of volume of shale (VSH) utilized a statistical approach, employing 10% (P10) of the gamma-ray (GR) response...
2025
Subsidence Analysis: Chapter 3
Charles L. Angevine, Paul L. Heller, Chris Paola
AAPG Special Volumes
.... Figure 3.13 shows how the table is set up for the compaction calculation. Data is taken directly from Figure 3.8. If we take the present...
1990
Basin-Filling Models: Chapter 9
Charles L. Angevine, Paul L. Heller, Chris Paola
AAPG Special Volumes
..., basin filling (denominator). The inverse of this number is similar to the capture ratio of Paola (1988), the ratio of sediment flux to the rate...
1990
Fundamental Sources of Uranium and Thorium: Chapter 2
John W. Gabelman
AAPG Special Volumes
... more radioactive heat than it radiates, and is becoming hotter. A further calculation by Lubimova (1960) shows the heat capacity of the earth...
1977
X-Ray Mineralogical Discrimination of Depositional Environments of the Krishna Delta, Peninsular India
Ray E. Ferrell , George F. Hart , Seetarama Swamy , Bhanu Murthy
Journal of Sedimentary Research (SEPM)
...: New Delhi, Orient Longman, 255 p. REYNOLDS, R.C., 1985, NEWMOD©, a Computer Program for the Calculation of One-Dimensional Diffraction Patterns...
1998