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The AAPG/Datapages Combined Publications Database

Showing 2,680 Results. Searched 193,586 documents.

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Permeability, Porosity, and Shear-wave Anisotropy From Scaling of Open Fracture Populations

Randall Marrett

Rocky Mountain Association of Geologists

... of equations 1 and 2: where the subscript 1 refers to the largest-aperture fracture and 6 is the Riemann zeta function (see Appendix I for definition...


A New Method for Leak Detection in Gas Pipelines

Kegang Ling, Jun He

Unconventional Resources Technology Conference (URTEC)

..., which is very crucial in long-distant gas pipeline. The latter approach detects gas leak by solving the governing equations, thus leads to quick...


The Developing Role of Analysis in the Design of Floating Production Systems

D. B. Melver, D. Cash

Indonesian Petroleum Association

... force compoenents involved and the resulting form of the equations of motion, rather than in the development of more realistic wave load models. What...


Universal Behavior of Polyacrylamide-Based Friction Reducers: Achieving Quantitative Lab Evaluation to Analytical Scale-up Model Development for Field Performance Prediction

Nabijan Nizamidin, Gojko Matovic, Do Hoon Kim, Timothy Theriot, Harold Linnemeyer, Seung Han, Taimur Malik

Unconventional Resources Technology Conference (URTEC)

... are typically in the range of 500,000-5,000,000 Reynolds number and because of this, scale-up equations are required to extrapolate more than 1 order...


An Experimental Study of Secondary Oil Migration (1)


AAPG Bulletin

...] = the minimum height for migration (in cm). In equations 4 and 5, one assumes that the porous medium consists of a rhombohedral packing of uniform spheres...


Analytical Pressure and Rate Transient Models for Analysis of Complex Fracture Networks in Tight Reservoirs

Jorge A. Acuña

Unconventional Resources Technology Conference (URTEC)

..., sub-linear and sub-radial flow regimes are part of an extended set that includes linear flow. All equations presented here apply to linear flow when...


Analysis of Electromagnetic Depth Sounding Responses Over a Layered Earth: Investigating Oil & Gas Seeps in the Petroleum Provinces

Shastri L. Nimmagadda, Andrew Ochan

Petroleum Exploration Society of Australia (PESA)

... depth sounding which involves the measurement of variation in conductivity with depth is used for solving various geoengineering, hydrogeological...


A general model for growth trajectories of linear carbonate platforms

Nicolas Goudemand,, Pulkit Singh, Jonathan L. Payne

Journal of Sedimentary Research (SEPM)

... demonstrates that these simple equations are useful for parameter estimation that can then be used to guide more detailed, process-based numerical...


Modeling and Simulation of Production from Commingled Shale Gas Reservoirs

Benmadi Milad, Faruk Civan, Deepak Devegowda, Richard F. Sigal

Unconventional Resources Technology Conference (URTEC)

... equations solved using the explicit finite-difference method. Slightly compressible oil properties were considered and the initial reservoir pressure...


Log Analysis of Petrofacies and Flow-Units with Microcomputer Spreadsheet Software

John H. Doveton, Willard Guy, W. Lynn Watney, Geoffrey C. Bohling, Saif Ullah, Dana Adkins-Heljeson

Tulsa Geological Society

..., but is different in one important respect. The cells of the spreadsheet can either contain constant alphanumeric information or they can be equations...


An Effective Numerical Model for Fracture-Stimulated Condensate Reservoir Production History Matching, Surveillance, and Prediction

Xinli Jia, Andrey Filippov, Vitaly Khoriakov, Timothy McNealy

Unconventional Resources Technology Conference (URTEC)

... solving the physical flow equations, which inevitably lead to inaccuracy of the results. Their application is also limited to gas flow only. Therefore...


Well Spacing Optimization in Shale Reservoirs Using Rate Transient Analytics

Chigozie Aniemena, Cameron LaMarca, Allen Labryer

Unconventional Resources Technology Conference (URTEC) and limit arguments as summarized in equations 6 to 9. In all field cases studied so far, well performance data from various assets show conforman...


Blackened Smackover: Thermal Evolution and Mass Transfer Adjacent to a Subsurface Alkalic Igneous Dike in Northern Louisiana

B. Dutrow , D. J. Henry , C. Christensen , C. W. Gable , B. J. Travis , E. Heydari

GCAGS Transactions

... Travis et al., 1991 for details and equations). MOR3D is a 3-D integrated finite difference code capable of numerically solving a simultaneous set...


Computer Modeling of the Evolution of Fluvial Systems

Mark R. Vining

GCAGS Transactions

... iterative techniques for solving algebraic equations in which the desired quantities cannot be solved for explicitly, and for which complex sets...


Sedimenit Gravity Flows

Gerard Middleton, John B. Southard

Special Publications of SEPM

... to review the derivation of the main hydraulic equations given in Chapters 1 and 5. Steady Uniform Flow Consider first the equations for a steady...


Limiting risk in environmental problems: Corporate budget constraints and minimum involvement

I. Lerche, E. Paleologos

Environmental Geosciences (DEG)

... projects subject to equations 1a and b and also subject to the budget limitation ofFor later convenience, it is best to combine equations 1a and 2...


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

Y. Kocoglu, S. Gorell

Unconventional Resources Technology Conference (URTEC)

... scaling” using certain statistics of the time series data as shown in equations below...


Accurate Estimation of Tubular Fluid Flow Friction Loss During Liquid-supercritical CO2 Fracturing and Transportation

Xiaojiang Li, Gensheng Li, Kamy Sepehrnoori, Wei Yu, Haizhu Wang, Qingling Liu, Hongyuan Zhang, Zhiming Chen

Unconventional Resources Technology Conference (URTEC)

... equations The continuity equation for compressible fluid flow in three-dimension space is given by ∂ρ ∂ ( ρ u ) ∂ ( ρ v) ∂ ( ρ w) + + + = 0, ∂t ∂x ∂y ∂z...


Rigorous Estimation of the Initial Conditions of Flowback Using a Coupled Hydraulic Fracture/Dynamic Drainage Area Leakoff Model Constrained by Laboratory Geomechanical Data

Z. Zhang, B. Yuan, A. Ghanizadeh, C.R. Clarkson, J.D. Williams-Kovacs

Unconventional Resources Technology Conference (URTEC)

...cture half-length is set equal to the half-length at the end of fracture modeling. The PHF/fracture network/matrix pressure/saturations are ...


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...


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