Click to minimize content

Welcome to the new Datapages Archives

Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.

AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.

Click to maximize content

Welcome to the new Datapages Archives

Search Results   > New Search > Revise Search

The AAPG/Datapages Combined Publications Database

Showing 706 Results. Searched 200,599 documents.

< Previous   18   19   20   21   22   Next >

Ascending

Quantitative Analysis of Submarine-Flow Deposit Shape In the Marnoso-Arenacea Formation: What Is the Signature of Hindered Settling From Dense Near-Bed Layers?

Giuseppe Malgesini, Peter J. Talling, Andrew J. Hogg, Dominic Armitage, Alex Goater, Fabrizio Felletti

Journal of Sedimentary Research (SEPM)

...). The dimensionless source conditions are given by U(0)H(0)  =  1, ψ(0)  =  1, and (1 + β)U(0)2/H(0)  =  F0. In these expressions, there are now three additional...

2015

Borehole tube wave generation by an incident P-wave at a fluid-filled fracture

Abdullah Alsawidan

International Meeting for Applied Geoscience and Energy (IMAGE)

...𝑡) = Where ρ" 𝑐'( 𝑑𝑉 , 2π𝑅 $ 𝑑𝑡 $ 𝑐'( = 𝑐" /Z1 + ρ" 𝑐" /(ρ) β$ ) (11) is the tube-wave *+ propagation velocity in the boreho...

2022

The Bass, Gippsland and Otway Basins, Southeast Australia: A Branched Rift System Formed by Continental Extension

M. A. Etheridge, J. C. Branson, P. G. Stuart-Smith

CSPG Special Publications

... normal faults in the Bass Basin indicates an extension of about 60 percent (β = 1.6) for that basin. The fault geometry is insufficiently well...

1987

Linking geomechanical simulation of induced seismicity to surface seismic observations: Simulated finite fault rupture to moment tensor inversion

Jingming Ruan, La Ode Marzujriban Masfara, Ranajit Ghose, Wim Mulder

International Meeting for Applied Geoscience and Energy (IMAGE)

... is the mass matrix, C = αη M + βη K is the damping matrix with α and β the Rayleigh damping coefficients, K the stiffness matrix, and f the source term...

2022

Features of the Development of Local Structures and Formation of Gas and Oil Pools of the Gazli Oil-Gas Region

Ye. V. Lebzin, I. V. Kushnirov

Petroleum Geology: A Digest of Russian Literature

... profiles along the line Karakyr-Gazli-Tash-Kuduk). Compiled by Ye. V. Lebzin and I. V. Kushnirov. a-Surface of the Paleozoic; δ-top of the Jurassic; β...

1962

Workflow for a joint inversion of gravity and gravity gradients for environmental applications

Luigi Bianco, Mojtaba Tavakoli, Andrea Vitale, Maurizio Fedi

International Meeting for Applied Geoscience and Energy (IMAGE)

... and Fedi (2012) demonstrated that the appropriate value of β should be related to N, the structural index of the source, rather than to the power-law...

2022

Uncertainty quantification of full-waveform inversion with adaptive MCMC method

Shuhua Hu, Zeyu Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

... matrix and different step length α & β for gradient update & random perturbation. As previously mentioned, tuning of step length and calculation of Hessian...

2023

SV/SH or S1/S2 separation for 3D6C data with direct S-wave vibrator exciting once

Yuan Yuan Yue, Zhiwen Deng, Wenbo Zhang, Hequn Li, Jianlei Zhang, Lina Huo

International Meeting for Applied Geoscience and Energy (IMAGE)

... ∗ 𝑠𝑖𝑛(𝛽 − 𝜕) (6) With inline direction assumed azimuth 0, α is the source direction, β is the azimuth of trace for VTI case, and fracture orientation...

2023

Accelerated augmented Lagrangian full-waveform inversion based on truncated randomized singular value decomposition

Jiahang Li, Hitoshi Mikada, Junichi Takekawa

International Meeting for Applied Geoscience and Energy (IMAGE)

... χβ ), T * αα k , ββ k = I= I k k (9) where α ∈  k×m and β ∈  is the given matrix determined according to the multiscale strategy, k ≤ min(m, n...

2023

Comparison of Magnetic Vector Inversion With Sparse Norm Susceptibility Inversion Accounting for Demagnetization

John M. Weis, Lindsey J. Heagy, Douglas W. Oldenburg

International Meeting for Applied Geoscience and Energy (IMAGE)

... the inverse problem as an optimization problem with the objective function: φ = φd + β φm (3) where φd measures how well the forward modeled data fits...

2023

A Pressure Transient Technique for Monitoring Waterfloods

Jeff Spath

Indonesian Petroleum Association

... half-length, ft. β = diffusivity ratio, as given by Eqn. 8 γ = Eulers constant, 0.57721... φ = porosity λ = mobility (k/u), md/cp η...

2000

Use of Artificial Neural Networks to Estimate Well Permeability Profiles in Sumatra, Indonesia

A. G. Bruce, P. M. Wong, Tunggal, B. Widarsono, E. Soedarmo

Indonesian Petroleum Association

... the input variables (e.g. well logs), α and β are the connection weights, n1 is the dimension of the input vector (e.g. number of well logs used) and n2...

2000

Research on first break picking based on deep learning for DAS-VSP data

Naijian Wang, Yinpo Xu, Yuxin Hou, Yingjie Pan, Mingxing Wang, Chun Zhang, Tianfu Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

...rst break time. Continuously update the model parameter vector β by using the gradient descent method, the value of the loss function is gradually redu...

2024

Time-Lapse Microgravity to Monitoring Fluid Movement Estimation, Water Saturation, Pressure & Density Changes in Reservoir (Case Studies On Field TFQŽ, Sumatera)

Taufiq, Ermin Retnowati, Ahmad Zaenudin

Indonesian Petroleum Association

.... THEORY AND METHODOLOGY Kadir (1999) revealed that for three-dimensional objects with a density distribution ρ = (α,β, γ), with the effect of gravity...

2015

Improvement in Oil Recovery by Water Driven Miscible CO2 Slug Flooding

Dedy Kristanto, Septoratno Siregar

Indonesian Petroleum Association

... for miscible flood residual, RB/STB Q = Cumulative CO2 injection, Mcf β = Slug size actually entering the formation of interest, fraction PV F...

2002

Intricate Seismic Time-Frequency Analysis in Kujung Patch Reef, Northeast Java Basin

Haryono Haryanto, Erik Yogapurana, Aditya Kusuma

Indonesian Petroleum Association

... produce a slope of frequency gradient, -πt/Q, associated with attenuation factor (Figure 5). By assuming a frequency gradient as β, then Q can...

2016

Assessment of Improved Oil Recovery by Osmotic Pressure in Unconventional Reservoirs: Application to Niobrara Chalk and Codell Sandstone

Ozan Uzun, Hossein Kazemi

Unconventional Resources Technology Conference (URTEC)

... sigma function, y is square root of molality of the solvent, and α , β a , δ constants. In our experiment, we measured osmotic pressure...

2019

Statistical Time-Series Analysis and Sedimentological Tuning of Bedding Rhythms in a Triassic Basinal Succession (Southern Alps, Italy)

Florian Maurer, Linda Hinnov, Wolfgang Schlager

Special Publications of SEPM

... spectral density is defined by the averaging Techniques of Time-Series Analysis bandwidth β = 2 m/T, where T is the length of the time series...

2004

Thermal Regimes in Two Vietnamese Basins, Cuu Long and Nam Con Son, and Implications for Hydrocarbon Generation

Rob Funnell, Rick Allis, Tran Huyen

Indonesian Petroleum Association

...), the initial thickness of the crust is approximated as 30 km with rifting assumed to start at 42 Ma, and to continue until 32 Ma, with a β factor...

1997

Jurassic subsidence history of the Hazelton Trough–Bowser Basin in the area of Todagin Mountain, north-central British Columbia, Canada

J.-F. Gagnon, C. A. Evenchick, J. W. F. Waldron, F. Cordey, T. P. Poulton

CSPG Bulletin

... to McKenzie’s (1978) uniform stretching model, instantaneous extension of continental lithosphere by a factor β will produce passive upwelling...

2009

The Comparison between Empirical and Data-driven Computation in Predicting CO and NOx Emissions from Gas-Turbine-Based Power Plant

Tristantyo Yoga Wicaksono, Mordekhai, Nadiyatur Rahmatikal Wasi'ah

Indonesian Petroleum Association

...) , and one for the seasonal component (s) , with corresponding smoothing parameters α , β ∗ and γ (Hyndman 2018). Linear Regression Linear Regression...

2021

Mechanical Properties of Chlorite: Insights from Multi-Origin Comparative Analysis

Yujia Wang, Peilin Zhang, Yuan Kang, Kouqi Liu

Unconventional Resources Technology Conference (URTEC)

... A ( hc )  2 A ( hc ) (1) S (2) where hc is the indentation depth. β is a constant determined experimentally, with a value of 1.034...

2025

Mitigating the Effect of Water in Multiphase Flowing Material Balance

Leslie G. Thompson

Unconventional Resources Technology Conference (URTEC)

...= Flowing material balance. GC = Rich gas condensate OHIP = Original hydrocarbons in place. VO = Volatile Oil Greek Symbols β = Mixture density, ...

2025

Drill-Core and Geophysical Investigation of the Western Part of the Crystalline Rim, Wetumpka Impact Structure, Alabama

Pascual Tabares, David T. King, Jr., Jens Ormö

GCAGS Transactions

... fold axis (β-axis) striking 037°. In order to present a possible model accounting for all of the attitudinal data obtained from the stereographic...

2013

Lacustrine carbonate platforms: Facies, cycles, and tectonosedimentary models for the presalt Lagoa Feia Group (Lower Cretaceous), Campos Basin, Brazil

M. C. Muniz, and D. W. J. Bosence

AAPG Bulletin

... by both synthetic and antithetic extensional faults. The lateral displacement of the normal faults suggests a crustal stretching β value of 1.24 (β...

2018

< Previous   18   19   20   21   22   Next >