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The AAPG/Datapages Combined Publications Database
Showing 248 Results. Searched 197,349 documents.
ABSTRACT: Potential of Airborne Remote Sensing for Geothermal Resource Exploration: A Case Study of Pilgrim Hot Springs, Alaska; #90125 (2011)
Prakash, Anupma, Haselwimmer, Christian, Holdman, Gwen
Search and Discovery.com
... hot waters within and areas of thermally anomalous ground. We used an adapted version of the Stefan-Boltzmann equation to calculate the thermal flux...
2011
Abstract: Multi-Scale Simulation of Absolute Permeability Using 3D X-Ray Micro-Tomography Images; #90255 (2017)
Soufiane Jouini, Ali Al Sumaiti, Abdul Ravoof Shaik, Khurshed Rahimov, Mohamed Hossni Elsayed Hashem
Search and Discovery.com
... Boltzmann Method. In a second approach, we segment images based on textural description of main representative classes. Then, we assign local...
2017
Insights into Salinity Variations for Waterfloods, Frac-Fluids and Drilling Mud in Clay-Hosted Pores using Molecular Simulations
Hao Xiong, Deepak Devegowda
Unconventional Resources Technology Conference (URTEC)
... Boltzmann statistics (Richard et al., 1938): ๐ ๐ = ๐0 โ ๐ โ๐ ๐โ ๐ ๐ต ๐ (2) Where ๐ ๐ต is the Boltzmann constant in J/K; ๐ ๐ is the ionic...
2020
Constructing Oil/Gas Capillary Pressure and Relative Permeability Curves From a Distribution of Pores in Shale Reservoirs
Brian C. Stimpson, Maria A. Barrufet
Unconventional Resources Technology Conference (URTEC)
... phases coexist, and an extended constant gas-oil ratio during production. We model these effects by coupling the Young-Laplace equation and an interfacial...
2017
The Climate System - A Brief Primer
Eric J. Barron, George T. Moore
Special Publications of SEPM
...-Boltzmann constant (5.5597 x 108 Wm2K4) and T is temperature. Temperatures are given in degrees Kelvin (degrees Celsius plus 273). Through Wien's Law...
1994
From Arrhenius to CO2 Storage Part VI: More on the Simple Greenhouse Model
Lasse Amundsen, Martin Landrรธ
GEO ExPro Magazine
...โs atmosphere, ฯ = 5.67 ยท 10 -8 Wm-2K-4 is StefanBoltzmannโs constant, and a = 0.3 is Earthโs average albedo. The clouds, aerosols, snow and ice reflect a lot...
2020
New Model Improves Secondary Phase Production Forecasts
Himanshu Shekhar Jha, W. John Lee
Unconventional Resources Technology Conference (URTEC)
... forecasting. Tabatabaie and Pooladi-Darvish (2017) established the basis for constant GOR/CGR behavior during transient linear flow using a Boltzmann...
2022
Diffusion of Methane and Ethane Through the Reservoir Cap Rock: Implications For the Timing and Duration of Catagenesis
Jon S. Nelson , E. C. Simmons
AAPG Bulletin
... of a and m Used in the Archie Equation End_Page 1066------------------------------ where k = Boltzmann constant, T = absolute temperature, r = radius...
1995
Langmuir Slip-Langmuir Sorption Stochastic Permeability Model of Shale
Morteza Elahi Naraghi, Farzam Javadpour
Unconventional Resources Technology Conference (URTEC)
... be included in the gas flow equations. Newly developed gas flow equations for shale system, a term called tangential momentum accommodation constant...
2016
A Novel Approach for Production Transient Analysis of Shale Gas/Oil Reservoirs
Changdong Yang, Vishal Sharma, Akhil Datta-Gupta, Michael J. King
Unconventional Resources Technology Conference (URTEC)
...lowing table. Table 1: Characteristics of the asymptotic pressure solution Boltzmann Variable ๏ด 2 4t Diffusion Kernel exp( ๏ญ ๏ผ 0.01 0.01...
2015
Determination of Local Diffusion Coefficients and Directional Anisotropy in Shale From Dynamic Micro-CT Imaging
Yulai Zhang, Peyman Mostaghimi, Andrew Fogden, Alessio Arena, Adrian Sheppard, Jill Middleton, Ryan T. Armstrong
Unconventional Resources Technology Conference (URTEC)
...-pore and micro-pore diffusion coefficients. Although pore-scale numerical simulations (Chen et al. 2015) using the lattice Boltzmann method (LBM) can...
2017
What Happens to Permeability at the Nanoscale? A Molecular Dynamics Simulation Study
Raul Velasco, Manas Pathak, Palash Panja, Milind Deo
Unconventional Resources Technology Conference (URTEC)
... of Lattice-Boltzmann Method (LBM), Non-Equilibrium Molecular Dynamics (NEMD), and Dual Control Volume Grand Canonical Molecular Dynamics (DCV-GCMD...
2017
Matrix-Fracture Connectivity in Eagle Ford Shale
Christopher J. Landry, Adenike Tokan-Lawal, Masa Prodanovic, Peter Eichhubl
Unconventional Resources Technology Conference (URTEC)
... that this cement layer is partially permeable to flow. The permeability of these microfractures was determined by lattice Boltzmann methods...
2014
Wettability Alteration and Improved Oil Recovery in Unconventional Resources
Fabio Bordeaux Rego, Esmail Eltahan, Kamy Sepehrnoori
Unconventional Resources Technology Conference (URTEC)
... on sodium. Moreover, the Debye length ฮบ is such that / C / E G.I " ( ๐ :! = 22) $D , F 3 , (7) where kB is the Boltzmann constant...
2021
Molecular Dynamics Simulation on Modeling Shale Gas Transport and Storage Mechansims in Complex Nano-Pore Structure in Organic Matters
Guan Qin, Shuai He
Unconventional Resources Technology Conference (URTEC)
... and gas reservoir pressure is given by ๏ฃซ pฮ 3 ๏ฃถ ยต = T ln ๏ฃฌ (4) ๏ฃท k ๏ฃญ kT ๏ฃธ where k is the Boltzmannโs constant, T is the temperature, p...
2015
A Model-Based Diagnostic Workflow for Time-Rate Performance of Unconventional Wells
David S. Fulford
Unconventional Resources Technology Conference (URTEC)
...: ๐ ๐(๐ก) = โ ๐ ๐โ1 [ ๐ก ๐โ1โ ๐ก] ๐ 7 ๐=1 The slope term, ๐, can be specified to reproduce a time-rate relationship as a function of some constant...
2018
Accurate Pore Size Measurement Via NMR On Unconventionals
Draga Veselinovic, Michael Dick, Derrick Green
Unconventional Resources Technology Conference (URTEC)
... parameters were kept constant for all samples. Only the number of scans per measurement was increased for the sandstone and shale samples (as compared...
2019
Molecular Dynamics Simulations of Retrograde Condensation in Nanoporous Shale
William R. Welch, Mohammad Piri
Unconventional Resources Technology Conference (URTEC)
... the Langevine dynamics integrator.15,16 Weak stochastic temperature coupling was used in these cases, with the inverse friction constant set at 20 ps...
2015
Confinement Facilitates Wetting Liquid Slippage through Mixed-wet and Heterogeneous Nanoporous Shale Rocks
Dian Fan, Wendong Wang, Amin Ettehadtavakkol, Yuliang Su
Unconventional Resources Technology Conference (URTEC)
... Boltzmann simulations indicate that the tortuosity of organic pores is orders of magnitude higher than that of inorganic pores (Chen et al., 2015a,b,c). High...
2019
In-Depth Experimental Investigation of Shale Physical and Transport Properties
H. Aljamaan, K. Alnoaimi, A.R. Kovscek
Unconventional Resources Technology Conference (URTEC)
...path as described by Klinkenberg (1941). The mean free path is taken as ษเต เฏเฒณ เฏ (15) ฮพเฌถเฐเฐ เฐฎ เฏ where ษ is the mean free path of the gas molecu...
2013
Quantifying flow in variably wet microporous carbonates using object-based geological modeling and both lattice-Boltzmann and pore-network fluid flow simulations
S. R. Harland, R. A. Wood, A. Curtis, M. I. J. van Dijke, K. Stratford, Z. Jiang, W. Kallel, and K. Sorbie
AAPG Bulletin
...Quantifying flow in variably wet microporous carbonates using object-based geological modeling and both lattice-Boltzmann and pore-network fluid flow...
2015
Pore-Scale Characterization of Shales Using Dendroidal Theoretical Pore-Network Model
Da Zheng, Yuliana Zapata, Zulfiquar A. Reza
Unconventional Resources Technology Conference (URTEC)
... constant, ๐ ๐๐๐ is molar volume, T is temperature, ๐ is contact angle, r is pore body radius, ฮณ is interfacial tension, (๐/๐0...
2018
A Stochastic Anisotropic Coal Permeability Model Using Mercury Intrusion Porosimetry, MIP and Stress-Strain Measurements
Syed Shabbar Raza, Victor Rudolph, Tom Rufford, Zhongwei Chen
Unconventional Resources Technology Conference (URTEC)
..., and constant volume in the horizontal directions, but some use constant strain in all directions (often the basis of laboratory measurements), often...
2019
A Validated Digital Rock Workflow to Accurately Predict Apparent Permeability in Tight Rocks
Juan F. Bautista, Luke Fidler, Dave Freed, Bernd Crouse, Gana Balasubramanian, Hudong Cheng, Raoyang Zhang, Chaitrali Ghodke
Unconventional Resources Technology Conference (URTEC)
... permeability, we use a lattice Boltzmann solver that accounts for high Knudsen number effects and validate the results against experimental data...
2018
Abstract: Quantifying Variability of Reservoir Properties from a Wolfcamp Formation Core
Joel D. Walls, Anyela Morcote
Houston Geological Society Bulletin
..., connected porosity, and porosity associated with organic matter (PA_OM). Also permeability is calculated using a Lattice-Boltzmann method. The Wolfcamp...
2015