Numerical Evaluation of Bulk Geomechanical Properties of Fractured Coal with Changing Net Effective Stress Conditions

Travis R. Mitchell, Ruizhi Zhong, Ray Johnson Jr., Christopher R. Leonardi

Unconventional Resources Technology Conference (URTEC)

... observed in the reservoir. Over the past three decades, some numerical methods (e.g., finite difference method (FDM), discrete element method (DEM...

Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction

Zhishuai Zhang, James W. Rector, Michael J. Nava

Unconventional Resources Technology Conference (URTEC)

... wave can often be the first arrival rather than the direct arrival. Finite difference modeling was used to validate the character of head waves...

Full-waveform inversion with time-dependent receiver-extension: An efficient inner loop optimization

Mustapha Benziane, Romain Brossier, Ludovic Métivier, Serge Sambolian

International Meeting for Applied Geoscience and Energy (IMAGE)

...-dependent receiver positions are not confined to the finite-difference grid points, but can be extracted at arbitrary locations thanks to Kaiser-windowed...

A Novel Workflow from StimPlan to EDFM for Complex Hydraulic Fracture Modeling and Production Simulation

Yukun Yan, Jiayao Deng, Dante Guerra, Wei Yu, Jijun Miao

Unconventional Resources Technology Conference (URTEC)

... (Babuška I et al., 1997; Belytschko T et al., 1999) or in finite-difference method (Lipnikov et al., 2014), have been widely developed to overcome DPDP...

New Methods for Assessment of Permeability and Saturation-Dependent Relative Permeability in Tight Rock Samples

Sabyasachi Dash, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

... in the reference cell. We numerically solve the pressure diffusion equation for a cylindrically shaped core sample using the finite difference method...

Finite Difference Modelling: Part IV

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

...Finite Difference Modelling: Part IV Lasse Amundsen, Ørjan Pedersen, Martin Landrø Recent Advances in Technology Finite Difference Modelling: Part...

JAX acceleration of implicit FWI and field data application

H. V. Nguyen, A. Sekar, K. Wang, T. Zhang, T. Nemeth, U. Albertin, M. Eaid, K. Nihei, E. Wang, K. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... the wave equation. The approach described in this abstract also incorporates physics through finite difference solvers but does not use seismic data...

A Finite-difference Based Multi-scale Approach for Electromagnetic Digital Rock Modeling

Mengping Yu, Yibo Wang, Jin-Hong Chen, Ji Chen

Unconventional Resources Technology Conference (URTEC)

...A Finite-difference Based Multi-scale Approach for Electromagnetic Digital Rock Modeling Mengping Yu, Yibo Wang, Jin-Hong Chen, Ji Chen URTeC...

Fast and Reliable Estimates of Low Permeabilities by the Full-Immersion Pressure-Pulse Decay

Michael J. Hannon Jr.

Unconventional Resources Technology Conference (URTEC)

...). An explicit finite-difference numerical discretization scheme, with second order accuracy in space and fourth order accuracy in time, was employed...

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

... in deep reservoirs of the North Sea. We developed a one-dimensional finite-difference reactive transport model to simulate the concurrent dissolution...

Effect of Gas-liquid Anomalous Diffusion on Production Behavior and Pressure and Rate Transient Responses in Unconventional Reservoirs

Gizem Yildirim, Erdal Ozkan

Unconventional Resources Technology Conference (URTEC)

... are expressed by Caputo’s representation and Muiro’s fractional finite difference approximation is used. A fully implicit computational scheme...

Dynamic Geo-Process Modelling: A Technique to Help Identify Favorable Prospects

Michael J. Zeltlin

Indonesian Petroleum Association

... approximate the solution the better the model. Two important techniques used to develop these approximations are the finite difference schemes...

Water-Gas Flow in Laminated and Heterogeneous Coal-Interburden Systems: The Effects of Gas Solubility

Mohammad Sedaghat, Des Owen, James Underschultz, Suzanne Hurter, Phil Hayes, Andrew Garnett

Unconventional Resources Technology Conference (URTEC)

... in the transfer term, indicating the amount of the fluid exchange at the fracture-matrix interface (Gilman & Kazemi, 1983). A finite difference URTEC-198320-MS 3...

Long-Term Effects of in Situ Leach Mining Restoration in the Oakville Aquifer System Near George West, Texas

Jim Kingston

GCAGS Transactions

... and soils maps. This information was incorporated into the U.S. Geological Survey three-dimensional finite-difference computer model to predict ground water...

Near Fracture Capillary End Effect on Shale Gas and Water Production

Riza Elputranto, I. Yucel Akkutlu

Unconventional Resources Technology Conference (URTEC)

... balance for the two-phase flow problem is subdivided by the integral finite difference method as follows (Pruess et al., 1999...

Caribbean Plio-Quaternary (5-0 Ma) Plate Interaction and Basin Development, Colombia-Venezuela-Trinidad Oil Province, by R. Higgs, #30058 (2008).

Search and Discovery.com

Thermal and Compaction Processes in a Young Rifted Basin Containing Evaporites: Gulf of Lions, France (1)

JEAN BURRUS and FRANCOIS AUDEBERT

AAPG Bulletin

... rocks. A two-dimensional finite-difference basin model, Temispack, simulates the sedimentation, compaction, and overpressures related to the low...

Reservoir Characterization and Modeling: A Look Back to See the Way Forward

Xinghe Yu, Y. Zee Ma, David Psaila, Paul La Pointe, Ernest Gomez, Shengli Li

AAPG Special Volumes

... difference methods but are best modeled through finite element methods. Meshing the fractures and the matrix in between the fractures is a significant...

Southern Piceance Basin Model--Cozzette, Corcoran and Rollins Sandstones

Charles A. Brown, Thomas M. Smagala, Gary R. Haefele

AAPG Special Volumes

.... HARRIS, 1976, Direct finite difference simulation of a gas well with a finite capacity vertical fracture: SPE-AIME (Society of Petroleum Engineers...

Numerical modeling study of the CO2 trapping characteristics of thin-skinned fold and thrust belts: A case study of the Catawba Syncline, Virginia, U.S.A.

Lars W. Koehn, Phillip Prince, Ryan M. Pollyea

International Meeting for Applied Geoscience and Energy (IMAGE)

... for non-isothermal flow of water, CO2, and NaCl. The TOUGH3 code utilizes an integral finite volume method in space and a first-order finite difference...

A novel viscous pure-acoustic wave equation and its numerical implementation in 3D TTI media

Long Wu, Yixian Xu, Shigang Xu

International Meeting for Applied Geoscience and Energy (IMAGE)

... anisotropic wave equations: Geophysics, 84, no. 6, C323–C337, doi: https://doi.org/10.1190/ geo2018-0865.1. Li, X., and H. Zhu, 2018, A finite-difference...

Improving Marcellus Imaging Through the Use of FWI and Joint Tomographic Inversion for Velocity and Epsilon

David McCann

Unconventional Resources Technology Conference (URTEC)

... and zones of disruption near the surface. Pre-Stack Depth Migration Prestack depth migration (PSDM) has been used to gain a better understanding...

Using Reservoir Engineering Workstations to Improve Duri Steam Flood Simulation Predictions

Josef H. Blunschi, Cedric C. Cease, Charles A. VanAllen

Indonesian Petroleum Association

... and steam breakthrough time Effect of grid orientation on simulation results. This study compared recovery predictions using 7-point finite difference vs...

Land 3D Acquisition Techniques Related to S.E. Asian Situation

Walter Ritchie

Indonesian Petroleum Association

..., the rationale for the development of 3D seismic, currently uses scaler wave equation consistent algorithms based on either finite difference...

3D anisotropic wavefield simulation with an advanced time-space domain temporal high-order SGFD solution

Xinquan Wang, Long Wu, Yunshan Lei, Panpan Lv, Huibing Zhao, Xiaoling Guo

International Meeting for Applied Geoscience and Energy (IMAGE)

...*, Long Wu, Yunshan Lei, Panpan Lv, Huibing Zhao, Xiaoling Guo, BGP, CNPC Summary When adopting finite-difference (FD) algorithms to discretize...