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The AAPG/Datapages Combined Publications Database

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Development and Evaluation of Multiphase Closure Models used in the Simulation of Unconventional Wellbore Dynamics

Travis Mitchell, Bryce Hill, Mahshid Firouzi, Christopher Leonardi

Unconventional Resources Technology Conference (URTEC)

.... (2016) indicating the elongated bubble (Taylor bubble) followed by the liquid slug. Model Methodology Governing equations In this study the Navier...


Grain Flow and Grain Flow Deposits

Donald R. Lowe

Journal of Sedimentary Research (SEPM)

... from his experimental systems. Velocity equations are developed and used to analyze natural grain flows. Unmodified subaerial and subaqueous, steady...


The use of FWI in coal exploration

Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

..., etc. are still to be fully resolved from seismic images. A step change in solving these issues could be by incorporating Full Waveform Inversion (FWI...



Journal of Petroleum Geology

... page 364----------- Network training An INET is trained by solving a system of linear equations. The hidden layer first calculates displacements...


Channel Modeling Based on Seismic, Wells and Analogue Data: Parameter Uncertainty Handling and Volume Uncertainty Assessment Using Experimental Design

Yuniyanto, Paul Thompson, Lothar Schulte, Andrian Elim, Vikram Sharma

Indonesian Petroleum Association

... to influence the result. The number of coefficients and therefore the number of experiments used for solving the coefficients grows exponentially...


An Integrated Deep Learning Solution for Petrophysics, Pore Pressure, and Geomechanics Property Prediction

Ehsan Zabihi Naeini, Sam Green, Marianne Rauch-Davies

Unconventional Resources Technology Conference (URTEC)

... with an interpretation of the image logs. A 1D analytical geomechanical model was then constructed using the poro-elastic equations (Thiercelin & Plumb, 1994...


Reconstruction of 3D Pore Space Using Multiple-Point Statistics Based on a 2D Training Image, #42315 (2018).

Yuqi Wu, Chengyan Lin, Lihua Ren, Weichao Yan, Yang Wang, Songtao Wu,

Search and

... will present a stochastic technique of reconstructing 3D pore space using multiple-point statistics with the purpose of solving the proposed problems...


Subsurface Technology Sharing from Oil and Gas to Geothermal Resources

Silviu Livescu, Birol Dindoruk

Unconventional Resources Technology Conference (URTEC)

... hydrocarbon wells and identify the gaps in the current models and technologies. Mathematical Modeling In this section, the equations governing...


Calculation of Ages of Hydrocarbons in Oils--Physical Chemistry Applied to Petroleum Geochemistry I

Allen Young , Patrick H. Monaghan , R. T. Schweisberger

AAPG Bulletin

... the oil's hydrocarbon composition and its reservoir temperature and solving the equation for time--the appare t age of the hydrocarbons. Reznikov's...


Pore Pressure and Elastic Moduli Estimation Considerations for a Simplified Geomechanical Model for Unconventional Plays. A case study in the Vaca Muerta Formation

Sergio Cuervo, Ezequiel Lombardo

Unconventional Resources Technology Conference (URTEC)

... to symmetry considerations some of these constants vanish, leaving the number of moduli needed for solving a full anisotropic material to 21...


Fast Marching Method Based Rapid Simulation Accounting for Gravity

Tsubasa Onishi, Atsushi Iino, Hye Young Jung, Akhil Datta-Gupta

Unconventional Resources Technology Conference (URTEC)

... in the fracture planes. The DTOF is first obtained by solving the Eikonal equation using the FMM assuming that gravity segregation is negligible...


Extended Abstract: Water Influx Predictions in Reservoirs with Aquifer Drive Using the Two-Phase Reservoir Integral Type Pseudo-Pressure with Applicability in Gas Hydrate Reservoirs

Melvin Kome, Mohd Amro

Africa Energy and Technology Conference, 2016

... effective tool in simplifying and solving complex diffusivity equations in reservoirs. Since its introduction by [1] in addressing the non-linear...


An Integrated Field and Numerical Study of the Impact of Formation Anisotropy on Stage Spacing in Horizontal Wells

Varahanaresh Sesetty, Ahmad Ghassemi, Ivan Gil

Unconventional Resources Technology Conference (URTEC)

... of the fracture tips. Notice that this is a way of implementing toughness asymptote at fracture tips and requires solving equations (Eq. 3 and 12) multiples...


The Limitations of Seismic Modelling of Geological Structures

B. L. N. Kennett

Petroleum Exploration Society of Australia (PESA)

... Since seismic modelling can be used to help in solving a range of exploration problems, one of the first decisions that needs to be made is the level...


A Compaction-Based Pore Pressure Model for Shales

James T. Krushin

GCAGS Transactions

..., no. 4, p. 515-528. Low, P. F., and D. M. Anderson, 1958, Osmotic pressure equations for determining thermodynamic properties of soil and water: Soil...


Estimation of Single-Phase Permeability from Parameters of Particle-Size Distribution

Manmath N. Panda, Larry W. Lake

AAPG Bulletin

... in the number of ways that have been proposed to predict it. The most rigorous prediction is the solving of the fluid conservation equations on a microscopic...


Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #42183 (2018)

Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe, Arash Jafargandomi, Karen Purcell

Search and

... problem means that some efficiency in the solution of the least-squares normal equations can be obtained by directly computing the Hessian matrix using...


Transfer Learning for Scalable Optimization of Unconventional Field Operations

Hector Klie, Bicheng Yan, Arturo Klie

Unconventional Resources Technology Conference (URTEC)

... of differential equations that are built from key performance drivers contained in the data. Therefore, these models are designed to yield predictions...


Some Thoughts on Future of Oil and Gas Operations-Particularly in South Texas

T.E. Pawel

South Texas Geological Society Special Publications

... hydrocarbons, and many others. To solve such an equation requires, in the absence of other equations, that we make assumptions for each of the unknowns other...


Improving Oil Recovery Using Integrated Evaluation Techniques - Workshop Summary

Tim Carr, John Doveton, Lynn Watney, Marty Dubois, Alan Byrnes, Rodney Reynolds, Bill Johnson


.... Equations for capillary pressure and information on properties, which influence the shape of a capillary pressure curve (maximum pore throat size, pore...


Ultimate Recovery of the L-1 Sand, Benakat Timur Field, South Sumatra

R. S. Trijaya Kartoatmodjo

Indonesian Petroleum Association

... influx constant, of 10.00 Ă— 103 BBl/PSi, were obtained by solving the Havlena-Odeh material balance as an equation of a straight line (Havlena et. al...


Gas Hydrates: Part II: Rock Physics, an Introduction

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... requires knowledge about the elastic/electromagnetic properties of the pore fluid and rock frame, and models for rock-fluid interactions. Equations...


The State of Stress in the Earth Crust: Its Importance in Petroleum Engineering

Ph. Charlez, D. Despax

Indonesian Petroleum Association

... stresses and R the borehole radius. The solution can be obtained by solving a system of equations like (11) using an inversion method whose...


Environmental Criteria - Their Use and Misuse

Glenn S. Visher

GCAGS Transactions

... by a single criterion. The problem is similar to solving an equation with a number of unknowns; it takes as many equations as unknowns. With the sedimentary...


Modification of Flowing Gradient Equation in Gas Wells with Liquid Present

Sutopo, Pudjo Sukarno

Indonesian Petroleum Association

... = 1, then Therefore Eq. (1) can be re-written as : I2 and I1 are calculated using the following equations : Let : Eq. (15) can...


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