An Overview of Chemical Models and Their Relationship to Porosity Prediction in the Subsurface

Indu D. Meshri

AAPG Special Volumes

... written a program similar to PATHI called EQ6, which uses the Newton-Raphson method to solve the system of algebraic equations, instead...

Time-lapse FWI prediction of CO2 saturation and pore pressure

Qi Hu, Kristopher Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... properties (saturation and pressure) from monitor data. We illustrate the potential of the approach using a synthetic time-lapse dataset. Figure 1...

The Use of Ground-Penetrating Radar for Characterizing Sediments Under Transient Flow Conditions

Michael B. Kowalsky, Yoram Rubin, Peter Dietrich

Special Publications of SEPM

... and wave velocity vary in space because the electrical permittivity and conductivity are functions of water content and porosity (Equations 5 and 7...

Theory and Applications of Time Series Analysis to Wireline Logs: Chapter 5

John H. Doveton

AAPG Special Volumes

... impractical for short sets of events and may mask some changes in occurrence rate. Because the functions used to describe the trends are polynomials...

3-D Finite Difference Modeling of Microseismic Source Mechanisms in the Wolfcamp Shale of the Permian Basin

Robert Meek, Robert A. Hull, Austin Von der Hoya, David Eaton

Unconventional Resources Technology Conference (URTEC)

... at the Microseismic Consortium at the University of Calgary has been used to model sources within various zones in the Wolfcamp and calculate the wave...

ABSTRACT: 3-D Carbonate Stratigraphic Model based on Energy and Sediment Flux; #90049 (2005)

T. Duan, T. A. Cross, M. A. Lessenger

Search and Discovery.com

... and kinetic energy to each other in three dimensions. We discretize the equations with the Crank-Nicholson method in simulation space and solve...

Application of Short Wave Infrared Reflectance Spectroscopy in Reservoir Analysis

L.H. Taylor, R.J. Vinopal

Montana Geological Society

.... TECHNICAL APPROACH Short wave infrared spectroscopy has long been used by chemists, mainly in the study of organic compounds...

High Performance Computation by Graphics Processor Unit Technology for Geophysical Seismic Signal Processing, #40727 (2011)

Sunjay Sunjay

Search and Discovery.com

... Geophysical Seismic Signal Processing (GSSP) is of paramount importance for imaging subsurface geological structures and is being used all over...

A One-Dimensional, Two Phase Model of Overpressure Generation in the Venture Gas Field, Offshore Nova Scotia

Brett S. Mudford

CSPG Bulletin

... to be underestimated. However, the total amount of hydrocarbons generated is the same no matter how many rate equations are used, since the initial...

CO2 Sequestration Potential in the Rose Run Formation at the Mountaineer Power Plant, New Haven, West Virginia

Diana H. Bacon, Mark D. White, Neeraj Gupta, Joel R. Sminchak, Mark E. Kelley

AAPG Special Volumes

... in the discretized equations resolved through the Newton-Raphson iteration. The dominant nonlinear functions within the STOMP simulator are the relative...

PANDAS: High Performance Geocomputing Software and its Potential Application in Deep Mining

Huilin Xing, Jinfang Gao, Yan Liu

Petroleum Exploration Society of Australia (PESA)

... or the modified Newton-Raphson method to treat the governing equations as a system of nonlinear equations and attempt to solve them by applying...

Sedimentologic and Physical Oceanographic Evidence of a Shelf Edge Counter Current Off Guinea Bissau, Guinea and Sierra Leone

David W. McGrail

Journal of Sedimentary Research (SEPM)

... of the apparently modern features was used, in conjunction with independent data, to suggest scaling for the equations of motion and thus appropriate...

An acoustic wave equation with the gradients of velocity and density

Jianyong Bai, Orhan Yilmaz

International Meeting for Applied Geoscience and Energy (IMAGE)

... the gradients of velocity and density in Equation 3 reads 1 ∂ 2P = ∇2 P. (4) V 2 ∂t 2 This acoustic wave equation is widely used for seismic modeling...

Data Connectivity Inference and Physics-AI Models For Field Optimization

Hector Klie, Arturo Klie, Bichen Yang

Unconventional Resources Technology Conference (URTEC)

... equations from production patterns and dynamic observations, respectively. We then present numerical results illustrating our methodology...

Quantifying Crack Properties of Source Rocks from Elastic Stress Sensitivity

Jihui Ding, Anthony C. Clark, Tiziana Vanorio, Adam D. Jew, John R. Bargar

Unconventional Resources Technology Conference (URTEC)

... similar to that of Pervukhina et al. (2011) except that a step function with variable width, instead of a continuous function of fixed width, is used...

Using Seismic Inversion to Predict Geomechanical Well Behavior: A Case Study From the Permian Basin

Simon S. Payne, Jerry Meyer

Unconventional Resources Technology Conference (URTEC)

... elastic property volumes are translated from dynamic to static properties and then used as inputs into the calibrated poro-elastic equations to make...

AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

... various equations used to represent the normal compaction trend for velocity vs. depth. Various properties are desired of an empirical model used...

Fracture Diagnostics in Naturally Fractured Formations: An Efficient Geomechanical Microseismic Inversion Model

Meng Cao, Mukul M. Sharma

Unconventional Resources Technology Conference (URTEC)

..., fluid flow and the interaction between hydraulic and natural fractures in one system of equations is used to generate simulated microseismic events...

A deep learning-based inverse Hessian for full-waveform inversion

Mustafa Alfarhan, Matteo Ravasi, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... gradient, we aim to retrieve an approximation of the scattering potential used in Born modeling, which constitutes the Gauss-Newton Hessian. obtain...

Partial Routing Allocation for Gas Production Optimization Based on Genetic Integer/ Routing Optimiser in the Tunu Field, East Kalimantan, Indonesia

Bintan Pradika, Adnan Syarafi Ashfahani

Indonesian Petroleum Association

... that period. However, the optimization procedures developed in this study can be used repeatedly for long-term hydrocarbon recovery studies. well and flow...

A Streamlined Approach to Fault Stress Analysis and Natural Fracture Prediction

Seth Busetti

Unconventional Resources Technology Conference (URTEC)

..., folding, or hydraulic fracturing. The software uses triangular elastic dislocation methods to solve for the stress and strain fields. The second...

Turbulent Flow

Gerard Middleton, John B. Southard

Special Publications of SEPM

... have to solve but we can't solve them because of the uncertainty that turbulence introduces into the application of these equations. The great number...

Abstract: New Developments in the 3D Simulation of Evolving Petroleum Systems With Complex Geological Structures, by U. T. Mello, P. R. Cavalcanti, A. Moraes, and A. Bender; #90933 (1998).

Search and Discovery.com

Lithofacies Mapping of Viola Limestone in South-Central Kansas, Based on Wireline Logs

E. Bornemann , J. H. Doveton

AAPG Bulletin

... (1976) and Garcia (1981) have generally used the spontaneous potential, gamma-ray, and resistivity logs as simple qualitative expressions of vertical...

Stratigraphic Predictions of Continental Margins for the U.S. Navy

James P. Syvitski, Lincoln Pratson, Damian O'Grady

Special Publications of SEPM

... of a shelf before and after a river flood for example can be very different Before the flood the ambient wave and current conditions might produce a sandy...