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The AAPG/Datapages Combined Publications Database
Showing 2,053 Results. Searched 200,619 documents.
Compaction and Micromechanics of a Mudstone Reservoir
Evan M. C. Kias, Jose Hasbani, John Degenhardt, Roberto Suarez-Rivera
Unconventional Resources Technology Conference (URTEC)
... of production and pressure depletion. Introduction The nonlinear and heterogeneous nature of rocks is sometimes simplified when analyzing deformation...
2024
A Key Performance Driver Type Curve: Correlating Well Productivity to Oil Wettability
Tamer Moussa, Amin Alinejad, Muhammad Zubair, Hassan Dehghanpour
Unconventional Resources Technology Conference (URTEC)
... the assumption embedded in the analogy between šš¼' and oil saturation as presented in Eq. (10). 4. Nonlinear Impact of š¾š° š : Due to the nature...
2025
Intelligent Prediction of Shale Oil Fracturing Curves Based on A Sequence-to-Sequence Model
Leyi Zheng, Tianbo Liang, Yunjin Wang, Fujian Zhou, Junlin Wu, Bin Wang, Jiaming Zhang, Maoqin Yang, Gong Chen, Xingyuan Liang
Unconventional Resources Technology Conference (URTEC)
... activation functions for nonlinear transformations. Skip connections are implemented to stabilize gradients and enable deep feature fusion. During...
2025
Reservoir Characterization and Uncertainty Assessment Using the Ensemble Kalman Filter: Application to Reservoir Development
Deepak Devegowda, Chao Gao
AAPG Special Volumes
....x.Anderson, J.Ā L., and S.Ā L. Anderson, 1999, A Monte-Carlo implementation of the nonlinear filtering problem to produce ensemble assimilations...
2011
Recognition and Significance of Inherited Quartz Overgrowths in Quartz Arenites
Ivan D. Sanderson
Journal of Sedimentary Research (SEPM)
... is a nonlinear function of proportion of the grain surface covered, provided that the shape of the partial coating approximates a circular section...
1984
The Role of Tidal-Velocity Asymmetries in the Deposition of Silty Tidal Rhythmites (Carboniferous, Eastern Interior Coal Basin, U.S.A.)
Allen W. Archer , Gerald J. Kuecher , Erik P. Kvale
Journal of Sedimentary Research (SEPM)
... is retained. Conversely, in semidiurnal systems, the range of successive flood and ebb tides is nonlinear (Fig. 4B). Half-monthly (neap-spring...
1995
Acoustic Properties of "Young" Carbonate Rocks, Odp Leg 166 and Boreholes Clino and Unda, Western Great Bahama Bank
J.A.M. Kenter, F.S. Anselmetti, P.H. Kramer, H. Westphal,, M.G.M. Vandamme
Journal of Sedimentary Research (SEPM)
... more significant negative offset. In general, P-wave velocities show a nonlinear, concave-upwards trend similar to the velocity equations, rather than...
2002
Advanced Seismic-stratigraphic Imaging of Depositional Elements in a Lower Cretaceous (Mannville) Heavy Oil Reservoir, West-central Saskatchewan, Canada
Sabrina E. Sarzalejo Silva, Bruce S. Hart
AAPG Special Volumes
... seismic attributes. Because they can capture nonlinear relationships between variables, neural networks commonly provide a statistically better...
2013
Thickness Changes in Sedimentary Layers During Compaction History; Methods for Quantitative Evaluation
Raymond Perrier , Jacques Quiblier
AAPG Bulletin
... of fact, the major compaction occurs during the first steps, and the actual compaction history may be nonlinear. If necessary, other types...
1974
Calculated Compaction States of Thick Abnormally Pressured Shales
Richard S. Bishop
AAPG Bulletin
... burial by an overburden having normal pore pressures. As expected, both shale density and pore pressure profiles are nonlinear. Although not calculated...
1979
Determination of Paleoheat Flux from Vitrinite Reflectance Data
I. Lerche , R. F. Yarzab , C. G. St. C. Kendall
AAPG Bulletin
... this highly nonlinear least-squares problem involved a steepest descent technique in a five-dimensional parameter space: TA, TD, and three coefficients for Q...
1984
Kinky Vitrinite Reflectance Well Profiles: Evidence of Paleopore Pressure in Low-Permeability, Gas-Bearing Sequences in Rocky Mountain Foreland Basins
B. E. Law, V. F. Nuccio, C. E. Barker
AAPG Bulletin
..., low-permeability gas-bearing sequences in Rocky Mountain foreland basins are commonly nonlinear with two or more nonparallel segments. These kinky...
1989
Overpressure Retardation of Organic-Matter Maturation and Petroleum Generation: A Case Study from the Yinggehai and Qiongdongnan Basins, South China Sea
Hao Fang , Sun Yongchuan , Li Sitian , Zhang Qiming
AAPG Bulletin
... Basin, South China Sea, as indicated by seismic data, well logs, and direct pressure measurements. The organic maturation profile is nonlinear...
1995
Upscaling two-phase flow in naturally fractured reservoirs
Stephan K. Matthai, Hamidreza M. Nick
AAPG Bulletin
...) identified a nonlinear, consistently low t as a key characteristic of a fractured rock.Ensemble Relative PermeabilityConventional steady-state relative...
2009
Geomechanical modeling of an extensional fault-propagation fold: Big Brushy Canyon monocline, Sierra Del Carmen, Texas
Kevin J. Smart, David A. Ferrill, Alan P. Morris, Barron J. Bichon, David S. Riha, Luc Huyse
AAPG Bulletin
... in Cretaceous strata of west Texas are combined with nonlinear finite element modeling to help bridge the gap between geometric, kinematic...
2010
Geomechanical insights on the importance of mechanical stratigraphy to hydraulic fracture containment
Kevin J. Smart, David A. Ferrill, and Alan P. Morris
AAPG Bulletin
... with frictional behavior where significant sliding can occur. The computational algorithms can efficiently solve highly nonlinear problems that result...
2023
Chapter 16: Controls on Stratal Record: Mechanisms and Contingencies Affecting Sediment Supply and Accommodation
Kevin M. Bohacs
AAPG Special Volumes
...?āGlobal cooling or Tibetan Plateau uplift: A review: Earth-Science Reviews, v. 12, p. 155ā172. Middleton, G. V., 1991, Nonlinear dynamics, chaos...
2022
Hydrocarbon Generation and Migration Modeling in the Barmer Basin of Western Rajasthan, India: Lessons for Exploration in Rift Basins with Late-Stage Inversion, Uplift, and Tilting
Bodapati S. Naidu, V. R. Sunder, Vachaspati Kothari, Pinak Mohapatra, Stuart D. Burley, John Dolson, Paul Farrimond
AAPG Special Volumes
... modeled to capture the timeātemperature history representing undrilled basinal settings. Given the unusual nonlinear heat flow model demanded...
2017
Accommodation and Sedimentary Architecture of Isolated Icehouse Carbonate Platforms: Insights from Forward Modeling with CARB3D+
Richard J. Paterson, Fiona F. Whitaker, Gareth D. Jones, Peter L. Smart, David Waltham, Graham Felce
Journal of Sedimentary Research (SEPM)
... is complex. Process-based "geological" forward models allow us to elucidate some of the dynamic nonlinear cause-and-effect relationships, such as the effect...
2006
Taphonomic indicators of dead ocean quahog (Arctica islandica) shell age in the death assemblage of the Mid-Atlantic Bight continental shelf
Alyssa M. Leclaire, Eric N. Powell, Roger Mann, Theresa Redmond
PALAIOS
...-death increases the probability of discoloration and loss of periostracum (Figs. 4ā7), but the trend is substantially both nonlinear and non-exponential...
2023
Stress Inversion via Borehole Image Log and Fracturing Data: Integrated Approach
Mojtaba P. Shahri, Hamed Chok, Jian Huang, Peter Elkington
Unconventional Resources Technology Conference (URTEC)
... and direction of the in-situ stress field may be determined using an inversion algorithm. Three nonlinear equations have been developed that relate the i...
2016
Sealing by Shale Gouge and Subsequent Seal Breach by Reactivation: A Case Study of the Zema Prospect, Otway Basin
Paul J. Lyon, Peter J. Boult, Richard R. Hillis, Scott D. Mildren
AAPG Special Volumes
... can thus be assigned a percentage of Vshale by assuming either a linear relationship or a nonlinear relationship of increasing Vshale with increasing...
2005
Geomechanical and Sealing Performance of Depleted Reservoirs for CO2 Sequestration: Insights from Experiments and Modeling in the Nanbao Depression, China
Ning Li, Jizhou Tang, Junfeng Shi, Huojian Zhang, Mengke An, Wei Cheng, Zi Wang, Famu Huang, Huifen Han, Yucheng Jia
Unconventional Resources Technology Conference (URTEC)
...% and dolostone by 21.0% under 10 MPa confining pressure, while Youngās modulus exhibits pressure- URTeC 4246515 2 dependent nonlinear behavior. Numerical...
2025
Diagenesis Through Coupled Processes: Modeling Approach, Self-Organization, and Implications for Exploration
W. Chen, A. Ghaith, A. Park, P. Ortoleva
AAPG Special Volumes
.... Ortoleva, 1988, A weakly nonlinear stability analysis of the reactive infiltration interface: Society for Industrial and Applied Mathematics, Journal...
1990
Detection of Astronomical Cycles in the Stratigraphic Record by Frequency Modulation (Fm) Analysis
Linda A. Hinnov , Jeffrey Park
Journal of Sedimentary Research (SEPM)
...: Paleoceanography, v. 9, p. 545-558. HAGELBERG, T.K., PISIAS, N., AND ELGAR, S., 1991, Linear and nonlinear couplings between orbital forcing and the marine...
1998