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The AAPG/Datapages Combined Publications Database
Showing 2,053 Results. Searched 200,619 documents.
Characterization of near-surface fractures for hydrogeological studies using azimuthal resistivity survey: A case history from the Mamu Formation, Enugu (Nigeria)
Ahamefula U. Utom, Benard I. Odoh, Daniel K. Amogu, Amobi C. Ekwe, Boniface C. E. Egboka
Environmental Geosciences (DEG)
...). These arrays can either be linear or nonlinear arrays (Bolshakov et al., 1997; Bolshakov et al., 1998). Arrays with the position of electrodes not in one...
2013
Sediment characteristics of some Nova Scotian beaches
Edward Bryant
Atlantic Geology
.... In the present study a nonlinear least squares approach developed by Clarke (1977) was used to segment cumulative curves into sub-populations. The program...
1983
Creep-Recovery Test: A Critical Tool for Rheological Characterization
B.T. Bui, A.N. Tutuncu
Unconventional Resources Technology Conference (URTEC)
... and one Maxwell model, was used to fit the experimental data. The model parameters for each sample obtained from nonlinear regression are presented...
2013
Settling Velocity and Grain Shape of Maërl Biogenic Gravel
Siddhi Joshi, Garret P. Duffy, Colin Brown
Journal of Sedimentary Research (SEPM)
...%) of falling grains exhibited both rotation and nonlinear fall trajectories, and those observations of slow fall velocity were rejected. The inclusion...
2014
Extrapolated surface-wave dispersion inversion
Hongyu Sun, Laurent Demanet
International Meeting for Applied Geoscience and Energy (IMAGE)
... Rayleigh surface wave velocities for crustal thickness in eastern Tibet and the western Yangtze craton based on deep learning neural networks: Nonlinear...
2022
Integration of Core Data with Well Logs for Geomechanical Property Determination and Monitoring in the Argentinean Vaca Muerta Shale Formation
Maxwell Willis, Azra N. Tutuncu
Unconventional Resources Technology Conference (URTEC)
... M.M., 1998a, Nonlinear Viscoelastic Behavior of Sedimentary Rocks: I. Effect of Frequency and Strain Amplitude, Geophysics, V. 63, 184-194. Tutuncu...
2014
Analytical Approach for Multivariate Exploration Planning via Secondary Migration Modelling
Amin Shokrollahi, Sara Borazjani, Syeda Sara Mobasher, Ulrike Schacht, Khalid Amrouch, Pavel Bedrikovetsky
Australian Petroleum Production & Exploration Association (APPEA) Journal
... leads to a nonlinear diffusion equation with a self-similar solution. However, for later stages of fluid flow in porous media, the injection drives...
2023
From Semi-Circular Bending Test to Microseismic Maps: An Integrated Modeling Approach to Incorporate Natural Fracture Effects on Hydraulic Fracturing
Arash Dahi Taleghani, Ping Puyang, Bhaba Sarker, Miguel Gonzalez
Unconventional Resources Technology Conference (URTEC)
... tractions make the constitutive equations nonlinear. The standard model used to describe the fracture tip process zone assumes bonds stretching orthogonal...
2015
SwashGroundwaterBeach Profile Interactions
Evans Waddell
Special Publications of SEPM
... maximum run up Fig the and leading edge reaches a begins backwash During of saturation action 3 nonlinear long wave equations governed...
1987
Estimation of TOC and Brittleness Volumes and Correlation with Reservoir Production
Sumit Verma, Tao Zhao, Kurt J. Marfurt, Deepak Devegowda, Dario Grana
Unconventional Resources Technology Conference (URTEC)
... which indicates overfitting. Given the multilinear regression between log-derived and core-derived TOC we then select logs to be used in a nonlinear...
2016
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
... of tomographic inversion. One can solve it explicitly as linear analytical problem or take the numerical method approach whereby the implicit nonlinear...
2022
Upscaling in Numerical Simulation of Shale Transport Properties by Coupling Molecular Dynamics Simulation with Lattice Boltzmann Method
Yang Ning, Shuai He, Honglin Liu, Hongyan Wang, Guan Qin
Unconventional Resources Technology Conference (URTEC)
...termined from the finer-scale simulations. It may be noted that Eq. (8) is different than that in (Guo and Zhao 2002) because the nonlinear inert...
2016
Mapping the Natural Fracture Network in Utica Shale Using Artificial Intelligence (AI)
Shahab D. Mohaghegh
Unconventional Resources Technology Conference (URTEC)
...), or Exponential (late impact). Relationship between the presence and the extent of the NFN and well productivity can be either linear or nonlinear. The nonlinear...
2017
Effect of Interbeds on Hydraulic Fracture Characteristics and Formation Pressure Response
Matthew Profit, Martin Dutko, Adam Bere, Uno Mutlu
Unconventional Resources Technology Conference (URTEC)
... fracture mechanics theory, e.g. linear elastic or nonlinear elastic fracture mechanics, and (vii) impact of near wellbore stress state/perforation...
2018
Rate of Penetration (ROP) Modeling Using Hybrid Models: Deterministic and Machine Learning
Chiranth Hegde, Cesar Soares, K. E. Gray
Unconventional Resources Technology Conference (URTEC)
... different models are sufficiently nonlinear; these non-linear metadata can be combined linearly to predict the response. 𝑁 ROP = ∑ 𝑛=1 w...
2018
An Integrated Geomechanics-Reservoir Simulation Workflow for Completion Design Optimization
Tzu-hao Yeh, Deniz Cakici, James Jennings, Johannes Will, Jose Chavarria Guerra, Melanie Durand, Britt L. Williams, Tianhong Chen, Rebecca Casillas, Vivek Jain, Hope Liu, Ruijian Li, Taixu Bai
Unconventional Resources Technology Conference (URTEC)
... have the ability to reflect the underlying subsurface uncertainty. Both geomechanics and dynamic models are highly nonlinear systems with many unknowns...
2018
Mechanistic Analysis of Shale Permeability Evolution Data
Rui Shi, Jishan Liu, Derek Elsworth
Unconventional Resources Technology Conference (URTEC)
... of nonlinear gas flow. CH4 was used as the driving medium for Sample LY1, and the change of permeability ratio (apparent permeability ratio...
2019
Height Growth in Layered Unconventional Reservoirs: The Impact of Formation Moduli, Interfaces and In-situ Stress
Qian Gao, Ahmad Ghassemi
Unconventional Resources Technology Conference (URTEC)
... the fracture propagation and fluid flow in fractures. A local traction-separation law with strain-softening is used to capture tensile cracking. The nonlinear...
2019
Magnetic Anomalies of the Northern Gulf of California: Structural and Thermal Interpretations: Chapter 22: Part III. Regional Geophysics and Geology
O. Sanchez-Zamora, P. Doguin, R. W. Couch, G. E. Ness
AAPG Special Volumes
... to the linearization of complex nonlinear magnetic problems. This technique identifies fault traces for the northern Gulf which are very similar to those proposed...
1991
Transfer Learning for Scalable Optimization of Unconventional Field Operations
Hector Klie, Bicheng Yan, Arturo Klie
Unconventional Resources Technology Conference (URTEC)
... inferring a single ordinary differential equation (ODE) to a coupled set of nonlinear ODEs or partial differential equations (PDEs). It is worth to mention...
2020
Sediments of Charlotte Harbor, Southwestern Florida
Ter-Chien Huang, H. G. Goodell
Journal of Sedimentary Research (SEPM)
... are shifted by the two major tidal circulations of the harbor proper and of San Carlos Bay. Multivariate nonlinear regression is used to relate...
1967
Multiphase Flowing Material Balance Without Relative Permeability Curves
Leslie G. Thompson, Barry A. Ruddick
Unconventional Resources Technology Conference (URTEC)
... the highly nonlinear multiphase flow equations into forms that more closely resemble the singlephase flow equations so that single-phase solutions could...
2022
Transfer Learning with Multiple Aggregated Source Models in Unconventional Reservoirs
J. Cornelio, S. Mohd Razak, Y. Cho, H-H. Liu, R. Vaidya, B. Jafarpour
Unconventional Resources Technology Conference (URTEC)
... 𝒛 𝒅 ∈ 𝑹 𝑯×𝟏 .The 𝑅𝑒𝑔E (⋅) consists of multiple fully connected (dense) layers in successive order with a nonlinear activation function leaky-ReLU (lrelu...
2022
A Combined Discontinuous Galerkin / Cohesive Zone Model Numerical Simulator for Hydraulic Fracturing and Application to Frac Hits Mitigation
Santiago Serebrinsky, Mauro Baldini, Federico Castez, Humberto Celleri, Isaías Gallana, Julieta Gutiérrez, Damián Smilovich
Unconventional Resources Technology Conference (URTEC)
...nction of the concentration, the problem is nonlinear. A fixed-point iteration scheme with velocity relaxation is adopted. Once 𝑪 is ob...
2023
Statistical Analysis of Estimated Ultimate Recovery: Comparing Machine Learning and Traditional DCA Methods in the Eagle Ford and Bakken
Palash Panja, Carlos Vega-Ortiz, Milind Deo, Brian McPherson, Rasoul Sorkhabi
Unconventional Resources Technology Conference (URTEC)
... and nonlinear relationships prevalent in unconventional reservoir URTeC 4049496 2 production data. This led to significantly improved forecasting accuracy...
2024