Production Allocation and Fluid Fingerprinting in Conventional Reservoirs

Craig D. Barrie, Eric Michael

GEO ExPro Magazine

... contributions by solving equations (e.g. least squares best fit) and uncertainty estimation NO “ONE SIZE FITS ALL” APPROACH The primary output from...

Method of Estimating Indexes of Flooding and Recovery Factors from Production Data (Method of Isochrons of Flooding of Pools)

M. L. Surguchev

Petroleum Geology: A Digest of Russian Literature

... 1 - ϱ c . 3 Solving equations (4) and (6) simultaneously, we obtain the relationship between conformance factor and the relative vo...

Estimation of the Capacity and Recovery Factor of Fractured Reservoirs of Upper Cretaceous age of the South Part of the Eastern Cis-Caucasus

V. M. Vasil’yev

Petroleum Geology: A Digest of Russian Literature

... of fractures). Solving all the equations relative to mt, we obtain a value of the coefficient of fracturing equal to 0.29%. With values of recovery...

Old Electrical Log Interpretation [Pre-1958], Chapter 9: Salt Mud Surveys - Laterologs and Microlaterologs

Hilchie, D.W.

AAPG Special Volumes

... Sxo is the water saturation in the flushed zone.Ratio equations 9-2 and 9-3 and eliminating the common F and reorganizingand ifas found by Schlumberger...

Undulose Extinction in Fine-grained Rocks: NOTES

Robert E. Carver

Journal of Sedimentary Research (SEPM)

... (P) are given by figure 2. The values were obtained by solving the index surface equations for E' in a principal section of the ellipse (see Wahlstrom...

Abstracts: A Non-Linear Conjugate Gradient (CG) Method to Solve for Vp, Vs and Density from Seismic Elastic Impedance; #90173 (2015)

Yexin Liu and Zhuoheng Chen

Search and Discovery.com

... algorithms for the scalar, Reeves method: The non-linear CG algorithm for solving EI equations as follows: Step1: given initial and estimate and Step2...

Finding the Question is Often More Important than Finding the Answer, #70327 (2018).

David R. Spain

Search and Discovery.com

... simplification and idealization • Physical - 3D models that can be touched • Graphical - maps, charts • Mathematical – equations that represent systems...

Calculating sensitivities for 3D inversion of electromagnetic well logging data

Cícero Régis, Paulo Roberto de Carvalho

International Meeting for Applied Geoscience and Energy (IMAGE)

... as the solution to a large, sparse, and symmetric system of linear equations, Ghs = f, (2) where G is called the global matrix, f is the source...

The Marchenko internal multiple elimination based on focal transform and its application on seismic data reconstruction

Zhen Liao, Xiaohong Chen, Wenjin Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... reconstruction solving the Marchenko equations and the Focal-MME method is proposed for eliminating internal multiples while interpolating seismic data. Theory...

Optimized transparent boundary conditions for wave propagation

G. Roncoroni, B. Arntsen, E. Forte, M. Pipan

International Meeting for Applied Geoscience and Energy (IMAGE)

... neural network for solving partial differential equations (PDEs) with diverse boundary conditions. The neural network was employed in general 1D and 2D...

Theory of Nuclear Transmission Densitometry Applied to Sedimentology and Geotechnology

Peter V. Meyers, Wesley J. Van Sciver, Adrian F. Richards

Journal of Sedimentary Research (SEPM)

... density. An algebraic expression can be derived for bulk density independent of water content with substitutions in equations (1), (3), and (4...

Abstract: Problem solving in copper ores - integrated lithochemistry, ore petrography, concentrate chemistry, and ore mineral chemistry: examples from northern Chile

Milton C. Graves

Atlantic Geology

...Abstract: Problem solving in copper ores - integrated lithochemistry, ore petrography, concentrate chemistry, and ore mineral chemistry: examples...

Abstract: Solving the Fault Shadow Problem in the Wilcox Trend of South Texas, by S. W. Fagin; #90951 (1996).

Search and Discovery.com

Abstract: Solving Environmental Problems With Petroleum Geology Principles: A Kentucky Case Study, by M. T. May; #90926 (1999)

Search and Discovery.com

Solving Specific Problems with 3-D Outcrop Data: Examples in Reservoir Characterization, Training, and Research, by John B. Thurmond, Paul Gillespie, David Hunt, Ole Martinsen, and Tore Løseth; #90052 (2006)

Search and Discovery.com

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)

... are calculated based on continuity and momentum equations. The temperature is obtained by solving energy equation. The thermal stress is derived based...

Protection Refrac: Analysis of Pore Pressure and Stress Change Due to Refracturing of Legacy Wells

Ali Rezaei, Mehdi Rafiee, Giorgio Bornia, Mohamed Soliman, Stephen Morse

Unconventional Resources Technology Conference (URTEC)

... containing a fracture. In the next section, the field equations of poroelasticity are explained first. Then, the displacement discontinuity method which...

First arrival enhancement by statics preserving filtering using surface-consistent constraints

Alejandro Quiaro, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... of morphology, and strong topography change heavily affect the signal-to-noise ratio (SNR) of the first arrivals. Some approaches to solving the first...

Structural subdivision of channel sand bodies based on frequency division coherence and attribute fusion

Qian Yu, Jianli Wang, Huajing Chen, Heng Zhang, Lien Bian

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the same way. Finally, by solving equations (4) and (5), the strike direction  and the true dip angle  of the formation can be obtained.   arctan(q p...

Broadband Seismic Technology and Beyond: Part III: The Interaction between Ocean Waves and Recorded Seismic Data

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... by a sine wave, analytical equations enable us to calculate the horizontal (u) and vertical (v) particle velocity and the pressure (p) as a function...

Stochastic inversion method based on a priori information of compression-sensing divided-frequency waveform indication

Ying Lin, Siyuan Chen, Guangzhi Zhang, Baoli Wang, Minmin Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... waveform indication the seismic trace next to the well is obtained by solving a system of low-rank equations by the compressive sensing method. Unbiased...

Rock Properties Computed from Random Pore Size Distribution

A. W. Talash, Paul B. Crawford

Journal of Sedimentary Research (SEPM)

... has been used to calculate the porosity and permeability of a porous matrix. The technique involves a solution of Poisseuille's and Darcy's equations...

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...

A Deterministic Lithology Model for the Green River-Upper Wasatch Interval of the Uinta Basin; #10745 (2015)

Robert Cluff, Suzanne Cluff, Ryan Sharma, Chris Sutton

Search and Discovery.com

... by Doveton (1994) for solving a three-component system. The result is a set of three linear equations for each of the two ternary diagrams that calculate...

An Analytical Rate-Transient Analysis Model in Unconventional Light Oil Reservoirs Exhibiting Reservoir Heterogeneity and Multiphase Flow

Jinchang Li, Bin Yuan, Christopher R. Clarkson, Xuan Zhu, Yue Li

Unconventional Resources Technology Conference (URTEC)

... TLF, the improved Boltzmann variable allows the conversion of three highly nonlinear partial differential equations (PDE’s) (i.e., oil, gas and water...