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The AAPG/Datapages Combined Publications Database
Showing 763 Results. Searched 200,685 documents.
Flow Simulation of Complex Fracture Systems With Unstructured Grids Using the Fast Marching Method
Changdong Yang, Xu Xue, Michael J. King, Akhil Datta-Gupta
Unconventional Resources Technology Conference (URTEC)
... near the fractures, provides more accurate calculation of the travel time (i.e. diffusive time of flight, DToF) and the transient drainage volume...
2017
Simulation of potassium feldspar dissolution and illitization in the Statfjord Formation, North Sea
Geoffrey Thyne, Bernard P. Boudreau, Mogens Ramm, Ruth Elin Midtbo
AAPG Bulletin
... transfer would be from sandstone to shale. The diffusive transport moved significant amounts of potassium and silica over distances of several meters...
2001
Optimization of Improving Liquids Recovery from Duvernay Shale Condensate Reservoirs
Guicheng Jing, Zhangxin Chen, Gang Hui
Unconventional Resources Technology Conference (URTEC)
... in shale rocks is controlled by a concentration gradient, which is Fick's law, called diffusive flow. When pressure declines to a dew point pressure...
2021
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)
... duration are designed to minimize artifacts and uncertainties in the local diffusive flux and concentration gradient obtained from image analysis...
2017
Reduced Physics-Based Simulation for Unconventional Production Forecasting A 1D Approach
Stein Krogstad, Miguel A. Jakymec, Amir Kianinejad, Dryonis Pertuso, Sebastien Matringe, Andreas Brostrom, Jakob Torben, Olav Møyner, Knut-Andreas Lie
Unconventional Resources Technology Conference (URTEC)
... on diffusive time-of-flight (DTOF) were proposed by (Chen et al., 2021; Datta-Gupta et al., 2001; Zhang et al., 2016). The DTOF-based technique starts...
2025
Helium
R. L. Jodry , A. B. Henneman
AAPG Special Volumes
... systems. 4. Helium accumulation need not be limited to shallow depths. However, because the diffusive qualities of helium multiply with increases...
1968
Molecular Density Segregation and Subtle Multiple Charging in a Cool Nonbiodegraded, Undersaturated Oil Reservoir
Khaled R. Arouri, Yunlai Yang, Emmanuel C. Uba, Donald H. Williams, Abid G. Bhullar
AAPG Special Volumes
..., such as active or recent charging (leading to incomplete mixing and disequilibrium), gas washing, water washing, biodegradation, seal failure, oil...
2017
The interferographic TEM (ITEM) method: Array beamforming for TEM field compaction and resolution improvement
Bryan James, Kyubo Noh, Andrei Swidinsky, Johannes Stoll, Daryl Ball
International Meeting for Applied Geoscience and Energy (IMAGE)
... form impulsive distributions of TEM fields that partially unmix diffusive EM field structure and improve resolution of subsurface geoelectric...
2023
In-Situ Quantification of Adsorbed Gas in Coals Using Stimulated Diffusion Magnetic Resonance Measurements
Benjamin Birt, Keelan O’Neill, Timothy Hopper, Rachael Ilett
Unconventional Resources Technology Conference (URTEC)
... factors influence the observed spin-spin relaxation rate during a CPMG measurement; bulk relaxation (T2B), surface relaxation (T2S) and diffusive...
2019
A Fast and Robust Method for Estimating Inter-Well Interference in Shale and Tight Reservoirs
Esmail Eltahan, Ali Moinfar, Zhenzhen Wang, Matthieu Rousset, Haishan Luo, Pierre Muron, Xianhuan Wen
Unconventional Resources Technology Conference (URTEC)
... caused by interference from neighboring wells. Our approach leverages the concept of diffusive time of flight (DToF) coupled with volumetric calculations...
2024
Extended Abstract: Re-Evaluating Thermal History Models for the Taranaki Basin, New Zealand Using Apatite Fission Track and (U-Th)/He Data From Well Sections
P. V. Crowhurst, P. F. Green, P. J. J. Kamp
Petroleum Exploration Society of Australia (PESA)
... on the accumulation and diffusive loss of Helium produced by alpha decay of Uranium and Thorium impurities within apatite grains. By measurement of the amount...
2001
Paired Host-Enclave Geochemistry of Mafic Microgranular Enclaves in the Eastern Belt Granite, Peninsular Malaysia
Azman A Ghani
Geological Society of Malaysia (GSM)
... during cooling of the magmas. The variable geochemical trends in the enclave and their host rocks probably related to the variable degrees of diffusive...
2007
Simulation of Integrated Surface-Water/Groundwater Flow for a Freshwater Wetland in Selangor State, Malaysia
Bahaa-eldin E. A. Rahim, Ismail Yusoff, Azmi M. Jafri, Zainudin Othman
Geological Society of Malaysia (GSM)
... The 1-D and 2-D diffusive wave Saint Venant equations describe channel and overland flow, respectively. The Kristensen and Jensen methods (Kristensen...
2009
Modeling Well Interference and Optimal Well Spacing in Unconventional Reservoirs Using Fast Marching Method
Jixiang Huang, Feyisayo Olalotti-Lawal, Michael J. King, Akhil Datta-Gupta
Unconventional Resources Technology Conference (URTEC)
... depletion and well performance by introducing the concept of diffusive time of flight (DTOF). The Eikonal equation can be efficiently solved by the Fast...
2017
Hydraulic Fracture Propagation Simulations in Porous Media with Natural Fractures by IPACS
Mary F. Wheeler, Sanghyun Lee
Unconventional Resources Technology Conference (URTEC)
... Propagation Simulator). Here, we describe a diffusive adaptive finite element phase field approach for modeling natural and hydraulic fractures. High fidelity...
2020
Time Dependence of Decane Gas Condensation and Evaporation in Kerogen Isolates of an Organic Shale in the Gas Condensate Interval from HF NMR
Z. Harry Xie, Philip M. Singer, Xinglin Wang, Yunke Liu, George J. Hirasaki, Michael T. Rauschhuber, Boqin Sun, Jon E. Burger, Lixin Zhou
Unconventional Resources Technology Conference (URTEC)
... and desorption processes of hydrocarbons in a kerogen system. Singer et al. [2020] studied diffusive couple effects between the intergranular heptane...
2022
Abstract: Geoscientific Site Characterization of the Proposed Deep Geologic Repository, Tiverton, Ontario; #90172 (2014)
Kenneth G. Raven, Sean N. Sterling, Richard E. Jackson, John D. Avis, Ian D. Clark
Search and Discovery.com
... estimates of hydraulic properties, diffusive properties and general groundwater/porewater chemistry for each of the hydrostratigraphic units identified...
2014
Characterization and Modeling of Tight Fractured Carbonate Reservoir of Najmah-Sargelu Formation, Kuwait, #41059 (2012)
Prabir Kumar Nath, Sunil Kumar Singh, Reyad Abu-Taleb, Raghav Prasad, Badruzzaman Khan, Sara Bader
Search and Discovery.com
... at the large scale and diffusive fracture at the small scale. The objective in performing statistical modeling of small-scale fractures is to simulate...
2012
Origin of helium and nitrogen in the Panhandle–Hugoton field of Texas, Oklahoma, and Kansas, United States
Alton Brown
AAPG Bulletin
.... Schaefer, 1992, The quantification of diffusive hydrocarbon losses through cap rocks of natural gas reservoirs—A reevaluation: Reply: AAPG Bulletin, v...
2019
Bioturbators as Ecosystem Engineers: Assessing Current Models
Brittany A. Laing, Luis A. Buatois, M. Gabriela Mángano, Nicholas J. Minter, Luke C. Strotz, Guy M. Narbonne, Glenn A. Brock
PALAIOS
... widely used methods to evaluate bioturbation impact in modern sediments is to characterize mixing as a diffusive process with an effective...
2022
Pressure and Basin Modeling in Foothill Belts: A Study of the Kutubu Area, Papua New Guinea Fold and Thrust Belt
Jean-Paul Callot, William Sassi, François Roure, Kevin Hill, Nigel Wilson, Renaud Divies
AAPG Special Volumes
... with mainly dominantly hydrostatic pore fluid pressures. However, this process develops a regional pressure seal localized where the vertical...
2017
Effects of Molecular Level Forces on the Diffusivity Characteristics of Hydrocarbons in Shale Reservoirs
Yakup Coskuner, Xiaolong Yin, Erdal Ozkan
Unconventional Resources Technology Conference (URTEC)
... be appropriate to model the bulk transport, at the other extreme of the spectrum, purely diffusive transport may be envisioned. In the case of the coexistence...
2021
Modeling Unconventional Reservoirs Using a Graph Network Model
Zhenyu Guo, Sathish Sankaran
Unconventional Resources Technology Conference (URTEC)
... (RGNet) model for modeling unconventional reservoirs. Inspired by the concept of the diffusive time of flight, RGNet parameterizes a 3D reservoir...
2022
RGNet for Multi-well Forecasting in Unconventional Reservoirs
Zhenyu Guo, Sathish Sankaran, Ying Li
Unconventional Resources Technology Conference (URTEC)
... method (FMM) (Datta-Gupta et al., 2011; Xie et al., 2015), which converts a 3D reservoir into a 1D system along the coordinates of diffusive time...
2023