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The AAPG/Datapages Combined Publications Database
Showing 3,080 Results. Searched 199,013 documents.
Forward Modeling of Utah FORGE 2024 Hydraulic Stimulation: Fiber Signatures & Seismicity
Ruwantha Ratnayake, Ahmad Ghassemi
Unconventional Resources Technology Conference (URTEC)
..., š“ šš (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 ļ¬ow with detachment, migration and straining of natural reservoir ļ¬nes. 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)
...Ā± that arise after ignitĖ ing the source xs (Figure 1a). Solving such an equation for G p produces the overburden-free reļ¬ection response at ā 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 āforward 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 ĀDale Amazone FieldĀ 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, ā¦ā¦ā¦ā¦ā¦ā¦ā¦.ā¦ā¦ā¦... (5) Efw = cumulative...
2014
Using Fluid-Induced Microseismics to Image Permeability
Andrew King, Tobias MĆ¼ller
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)
.... GĆ³mez, J. V., D. Alvarez, S. Garrido, and L. Moreno, 2019, Fast methods for Eikonal equations: An experimental survey: IEEE Access, 7, 39005ā 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 1 sec2 Īø ā rĪ± ( w) ā rĪ² ( w) 2 +( Ī±2 4Ī² 2 Figure 1: Comparison of AkiāRichard 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