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The AAPG/Datapages Combined Publications Database

Showing 3,080 Results. Searched 199,013 documents.

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Forward Modeling of Utah FORGE 2024 Hydraulic Stimulation: Fiber Signatures & Seismicity

Ruwantha Ratnayake, Ahmad Ghassemi

Unconventional Resources Technology Conference (URTEC)

..., š“ š‘š‘ž (p,q = s,n) are the influence coefficients. The unknown DD values are calculated by solving the 2M linear equations simultaneously using...

2024

Theoretical Considerations of Sealing and Non-Sealing Faults

Derrell A. Smith

AAPG Bulletin

... as paths for hydrocarbon migration. Application of the theoretical concepts to subsurface studies is considered. GENERAL THEORY AND EQUATIONS Hubbert...

1966

Three-Dimensional Trend Mapping Using Gamma-Ray Well Logs: Simpson Group, South-Central Kansas

J. H. Doveton , Zhu Ke-an , J. C. Davis

AAPG Bulletin

..., as predicted by a line with intercept a0 and slope a1. The unknown coefficients are found by solving the simple matrix equation: [EQUATION] The first...

1984

Stress-Dependent Permeability and Porosity of Coal

Chester R. McKee, Amar C. Bumb, Robert A. Koenig

Rocky Mountain Association of Geologists

...) developed the first theoretical equations using matrix compressibility as a fundamental property. The theory of McKee and others fits both laboratory...

1988

Embedding Physical Flow Functions into Deep Learning Predictive Models for Improved Production Forecasting

Syamil Mohd Razak, Jodel Cornelio, Young Cho, Hui-Hai Liu, Ravimadhav Vaidya, Behnam Jafarpour

Unconventional Resources Technology Conference (URTEC)

... well, the methods can estimate the input parameters of the physical equations to enable long-term forecasting beyond the length of time available...

2022

Reflections on Geostatistics and Stochastic Modeling

D. E. Myers

AAPG Special Volumes

... array of problems that are important to the well-being of mankind. Interest in these particular problem-solving approaches has expanded from rather...

2006

Injectivity Formation Damage Due to Fines Migration

Larissa Chequer, Mohammad Bagheri, Abbas Zeinijahromi, Pavel Bedrikovetsky

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., we present the basic governing equations for single-phase flow with detachment, migration and straining of natural reservoir fines. We perform...

2018

Physics-based preconditioned multidimensional deconvolution in the time domain

David Vargas, Ivan Vasconcelos, Matteo Ravasi, Nick Luiken

International Meeting for Applied Geoscience and Energy (IMAGE)

...± that arise after ignitˆ ing the source xs (Figure 1a). Solving such an equation for G p produces the overburden-free reflection response at āˆ‚ Dr...

2022

Guard Electrode

H. K. McArthur

Tulsa Geological Society

.... Their effect can be compensated for by the use of comparatively simple equations or graphs. Figure 1 is the complete guard electrode assembly and illustrates...

1952

Optimized downward continuation for the one-way wave equation in TTI media

Cosmin Macesanu, Faqi Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... equations, is accurate even when velocities change fast, and it can easily account for anisotropy (Shan, 2009; Valenciano et al., 2009a; Hua et al...

2022

Groundwater Modeling

Uriel Oko

Special Publications of SEPM

... equations for one-, two- and quasi-three dimensional nonsteady flow in heterogeneous aquifer systems with a modified alternating direction implicit...

1994

A New Approach for Production Forecasting from Individual Layers in Multi-Layer Commingled Tight Gas Reservoirs

Katarina Van Der Haar (nee Kosten), Manouchehr Haghighi

Australian Petroleum Production & Exploration Association (APPEA) Journal

... solving a complex integral. This can be circumvented by using Approximate Bayesian Computation (ABC). In this method, finding the marginal distribution...

2022

Estimation of helical fiber pitch angle and trace spacing from colocated DAS, accelerometer, and geophone datasets

Kevin W. Hall, Don C. Lawton, Kristopher A. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... the equations for velocity and index of refraction: š‘£= Introduction The Containment and Monitoring Institutes Field Research Station (CaMI.FRS) contains...

2022

Adaptive OCCAMs inversion for the interpretation of borehole ultra-deep azimuthal resistivity measurements

Wardana Saputra, Junsheng Hou, Carlos Torres-VerdĆ­n, Sofia Davydycheva, Vladimir Druskin

International Meeting for Applied Geoscience and Energy (IMAGE)

..., which is often referred to as ā€œforward modelā€. Several 3D numerical simulators for UDAR measurements are available by solving the boundaryvalue...

2023

Using Fluid-Induced Seismicity to Infer Permeability

Andrew King, Tobias Muller

Petroleum Exploration Society of Australia (PESA)

... to the permeability values, which we do using an adjoint method (Jansen, 2011). Computing the adjoint of the pressure diffusion equations involves solving a time...

2016

Analyzing And Predicting the Performance of Water Influx of ĀDale Amazone FieldĀŽ by Using the Campbell Plot Method

Dale Amazone, Andry Halim, M. Nur Mukmin, Edwin Siahaan

Indonesian Petroleum Association

... of solving the material balance that indicates the presence of a water drive. Eg = cumulative gas expansion, ………………….………... (5) Efw = cumulative...

2014

Using Fluid-Induced Microseismics to Image Permeability

Andrew King, Tobias Müller

Unconventional Resources Technology Conference (URTEC)

... involves solving a time-reversed version of the same equations, with the pressure observations taking the place of sources, so the same code can be used...

2016

Interpretation of first-arrival times of borehole acoustic measurements acquired in high-angle wells using 3D eikonal numerical simulations

Feiyue Xia, Carlos Torres-VerdĆ­n

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Gómez, J. V., D. Alvarez, S. Garrido, and L. Moreno, 2019, Fast methods for Eikonal equations: An experimental survey: IEEE Access, 7, 39005– 39029...

2024

PS reflection-based full-waveform inversion using single-mode propagator

Yongbo Zhai, James Xu, James Rickett, Peng Wang, Xin Cheng, Denes Vigh, Suyang Chen, Cara Smith

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity using single-mode propagators. Despite a slight reduction in accuracy, we successfully simulate PS converted waves by solving...

2024

Nonlinear broadband seismic inversion for fluid mobility

Xuan Zheng, Zhaoyun Zong

International Meeting for Applied Geoscience and Energy (IMAGE)

... ) can be obtained by equations (4), (5) and (6). R pp ā‰ˆ 1 sec2 Īø ā‹… rα ( w) āˆ’ rβ ( w) 2 +( α2 4β 2 Figure 1: Comparison of Aki–Richard approximate...

2024

Porosity Through Dolomitization: Conservation-Of-Mass Requirements

Peter K. Weyl

Journal of Sedimentary Research (SEPM)

... mineral phases by the following four equations: [EQUATION (3)] [EQUATION (4)] [EQUATION (5)] [EQUATION (6)] Since equations (3) through (6) are four...

1960

The Threshold of Grain Motion Under Oscillatory Flow in a Laboratory Wave Channel

John R. Dingler

Journal of Sedimentary Research (SEPM)

... of quartz density (Figure 3a). Simultaneously solving Equations 8 and 9 gives f(D) = cD-1/3. When the data from Bagnold's oscillating-bed experiment...

1979

Determining the Channel Sinuosity of Ancient Fluvial Systems from Paleocurrent Data

J.P. Le Roux

Journal of Sedimentary Research (SEPM)

... the vector mean azimuth and standard deviation, using equations 6 and 7, plus figure 3 of Curray (1956). The sinuosity can be calculated from...

1992

Abstract: Elastodynamic FWI Efficiency Study With Partial Stacking in 2D; #90224 (2015)

Vladimir N. Zubov, Gary F. Margrave, and Michael P. Lamoureux

Search and Discovery.com

...-random noise. The numerical results achieved on the Marmousi model, solving independently for either density or bulk modulus parameters, suggests...

2015

Abstract: Fullbore Formation MicroImager: An Advanced Technology toward Solving Exploration and Production Problems

Mohamad Taha

Geological Society of Malaysia (GSM)

...Abstract: Fullbore Formation MicroImager: An Advanced Technology toward Solving Exploration and Production Problems Mohamad Taha Geological Society...

1991

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