Thermodynamic Behavior of Liquid-Supercritical CO2 Fracturing in Shale

Xiaojiang Li, Gensheng Li, Wei Yu, Haizhu Wang, Kamy Sepehrnoori, Zhiming Chen, He Sun, Shikun Zhang

Unconventional Resources Technology Conference (URTEC)

... al., 1990; Fenghour et al., 1998) are used to calculate the physical parameter of CO2. The pseudo “shock wave” behavior is observed shortly after...

A Quantitative Model for Salt Deposition in Actively Spreading Basins; #30117 (2010)

Bernard Montaron and Paul Tapponnier

Search and Discovery.com

... by the surface area A occupied by the water. Qsw, Qfw, and Ebw are defined as 100-year averages. The time step used to solve equations is an integer...

ELECTRIC LOG INTERPRETATION WITH THE IBM 650 COMPUTER

F. C. Hoadley, B. W. Allen

Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)

... 154 Fig. 6: Hoadley and Allen. Equations used in solution of electric log interpretation program 155 Fig. 7: Hoadley and Allen. Card formats...

An Application of the Truncated Pluri-gaussian Method for Modeling Geology

A. Galli, G. Le Loch, F. Geffroy, R. Eschard

AAPG Special Volumes

... left). The red square highlights the way the lithotype rule is used.Furthermore, Gaussian random functions that are correlated could be used...

Mantle Origin of Global Sea-Level Fluctuations and Geomagnetic Reversals: Evidence from Non-Linear Dynamics

J. F. Collins, J. Bon

Indonesian Petroleum Association

... because of the ability of computers to numerically solve the nonlinear equations of motion involved, and because of the ability of these models to account...

AVO and Inversion Contribute to Makassar Exploration Efforts

William L. Soroka, Herry Andiarbowo, Anung Widodo

Indonesian Petroleum Association

... = STRUC-A + (STRUC-B/SOLID + FLUID - STRUC-C) Bulk modulus is used to compute P-wave velocity (Vp) as shown in the following equation: Vp2 = ( K + ( 4μ...

Hydrodynamics of Fluid Injection

P. A. Witherspoon , S. P. Neuman

AAPG Special Volumes

... in a preceding section can be used to solve this problem. We noted on Figures 4 and 5 that, at an early time [i.e., tD < 1.6 ß112/(r/B11)4], Aquifer 2 has...

Impact Of Anisotropy Induced By Shale Lamination And Natural Fractures On Drilling, Completion, and Fracturing Design

Ming Gu

Unconventional Resources Technology Conference (URTEC)

...), DTSfast (fast shear wave slowness), and DTST can only provide four independent constraints, which can be used to solve for the four independent stiffness...

A Multidisciplinary Approach to Inversion Feasibility Analysis for an Unconventional Reservoir Characterization

Venkatesh Anantharamu, Lev Vernik, Yoryenys Del Moro, Alfonso Quaglia, Eduardo Carrillo

Unconventional Resources Technology Conference (URTEC)

... are available. However, for unconventional mudrocks, due to the presence of kerogen which affects the S-wave velocity, the same equations and models...

Application of Transport Equations to Groundwater Systems

John D. Bredehoeft , George F. Pinder

AAPG Special Volumes

... techniques, it has been possible to solve the equations describing changes in concentration, in space and time, for rather general field situations...

Abstract: Empirical Mode Decomposition Based Instantaneous Spectral Analysis and its Applications to Heterogeneous Petrophysical Model Construction; #90171 (2013)

Jun-Wei Huang and Bernd Milkereit

Search and Discovery.com

... of HHT-EMD is that it does not require presumed a set of functions as previous methods and allows projection of a non-stationary and non-linear signal...

Application of Physics Informed Neural Networks to Compositional Modelling

Thelma Anizia Ihunde, Olufemi Olorode

Unconventional Resources Technology Conference (URTEC)

...-equilibrium equations involves using the successive substitution and/or the Newton-Raphson algorithms to satisfy the equality of fugacity (used...

Abstracts: Plane Wave Reflection and Transmission Coefficients for VTI Media; #90173 (2015)

Ritesh Kumar Sharma and Robert James Ferguson

Search and Discovery.com

... (Tsvankin, 2001). For VTI media the wave equation separates into a coupled pair of the equations for the P-SV waves and into a single equation for the pure...

Viable Solutions to Overcome Weaknesses of Deep Learning Applications in Production Forecasting: A Comprehensive Review

Y. Kocoglu, S. Gorell

Unconventional Resources Technology Conference (URTEC)

... earlier. In RNN, hidden states are used both as an input and as an output. In the forward pass equations, the hidden state ‘ht-1’ is an input whereas...

Thermal Mass Transfer in Systems Containing Quartz and Calcite

James R. Wood

Special Publications of SEPM

...’+] The Mathematical Model Equation (32) shows that specifying PCo2 fixes [H2CO:] arid makes [HCO,] and [COT] functions of [H+] only, so that equations (32...

A High Density Seismic Hazard Survey in the Los Angeles Basin

Search and Discovery.com

Function-Based Training Image Construction of Fluvial Point Bars: A Modern Analog Example from the Brazos River, Texas; #41560 (2015)

Gregory Benson, Ravi Shekhar

Search and Discovery.com

...” framework where each TI layer represents a single time slice. To populate the TI, we used mathematical functions to describe a fining upward character...

Seismic Velocity Variations in San Joaquin Valley, California

Walter S. Olson

AAPG Bulletin

...] This applies to the azimuth of N. 5° E. We can solve the equations for various reflection times and tabulate them. Table To get corrections for any other...

Four Storm-event Beds and the Tropical Cyclones that Produced them: A Numerical Hindcast

Timothy R. Keen , Rudy L. Slingerland

Journal of Sedimentary Research (SEPM)

... Sedimentation System used in this study is a combination of several FORTRAN programs which solve the finite difference equations for physical processes operating...

Cross-Well Seismology: A New Production Tool

B. N. P. Paulsson, R. T. Langan

Indonesian Petroleum Association

...- and S-wave) can be used to determine the location of steam in an enhanced oil recovery project and the continuity of sand and shale layers between...

The use of FWI in coal exploration

Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... acquired over coal seams in Bowen and Sydney basins. FWI can be used for a high resolution estimate of P- and S-wave velocities and the density that can...

A Methodology for Selecting Optimal Pipe Rocking Regimes during Slide Drilling

Ian Rostagno, Michael Yi, Pradeepkumar Ashok, Eric van Oort, Ben Potash, Chris Mullin

Unconventional Resources Technology Conference (URTEC)

... conditions of dynamic friction, without losing toolface control. The torsional damped wave equation was used as a drillstring dynamics model because...

Resolving Multiphase Fractions in Horizontal Wells Using Speed of Sound Measured with Distributed Acoustic Sensors and a PVT Database

Peyman Moradi, Brian Seabrook, Neal Adair, Ricardo Garza

Unconventional Resources Technology Conference (URTEC)

... (e.g., using Doppler-based and/or slug tracking methods, as shown in Fig.2-3). Well Hydraulics: A 1D simulator is used to solve the continuity, energy...

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)

...lem, 2) a dynamic relaxation approach to solve the solid equilibrium equations, 3) a combined Discontinuous Galerkin/cohesive zone model to incorporate fr...

Simple Models for the Stress-Dependence of Anisotropic Seismic Velocities in Fractured Rock; #120053 (2012)

Richard L. Gibson, Jr. and Kai Gao

Search and Discovery.com

... model equations derived using the compliance approach predict a value for one elastic modulus that implies that the corresponding shear wave velocity...