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 17,676 Results. Searched 195,688 documents.

< Previous   14   15   16   17   18   Next >

Ascending

Abstract: Empirical Mode Decomposition (EMD) of Turner Valley Airborne Gravity Data in the Foothills of Alberta, Canada; #90211 (2015)

Hassan Hassan

Search and Discovery.com

... to remove the overwhelming noise and to recover useful signals from the data. For this reason, we introduce in this work a newly developed method...

2015

High resolution imaging by dynamic matching FWI in the presence of AVO effects

Fuchun Gao, Shuqian Dong, Yang He, James Sheng, Faqi Liu, Bin Wang, Carlos Calderon, Yuriy Ivanov, Fanny D. Marcy, Ole E. Aaker

International Meeting for Applied Geoscience and Energy (IMAGE)

... were further suppressed by linear noise attenuation (Figure 3). Compared to data before noise attenuation (Figure 3, bottom left), the data after...

2023

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

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

International Meeting for Applied Geoscience and Energy (IMAGE)

... of data misfit to trigger local higher-dimensional inversions. We construct an augmented linear system for fast and stable OCCAM’s inversion...

2023

A Preliminary Assessment of the Hydrocarbon Potential of Kerio Valley Basin: Gravity and Magnetic Interpretation

Abiud Masinde, Cleophas Simiyu, Innocent Murunga, George Muia, Aaron Waswa, Justus Barongo

Africa Energy and Technology Conference, 2016

... was corrected for IGRF, diurnal, filtered using a 1 Hz low pass 10km Hanning filter to reduce noise, later, reduced to equator to place all anomalies...

2016

Probabilistic seismic interpolation with the implicit prior of a deep denoiser

Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

...., 2022; Izzatullah et al., 2022) problems. Nevertheless, despite the fact that the process of adding random noise to a signal is stochastic in nature...

2023

Abstract: Orthorhombic Time Tomography: Accounting for Azimuthal Effects in Long-Offset WAZ Data; #90254 (2016)

Jeremie Messud, Christophe Rohel, Gilles Lambaré, and Patrice Guillaume

Search and Discovery.com

... of vertically transverse isotropic non-linear slope tomography for time imaging to account for azimuthal anisotropy (orthorhombic). We illustrate...

2016

Current Trends in Geophysics

H. E. Stommel, J. M. Graul

Indonesian Petroleum Association

... processing, wavelet processing, coherency enhancement, attenuation analysis, multi-parameter color displays, forward and inverse modeling...

1978

Abstract: Multi-trace Acoustic-impedance Inversion with Transform-domain Sparsity Promotion; #90174 (2014)

Sanyi Yuan, Shangxu Wang, Ning Tu, and Xiang Li

Search and Discovery.com

... generalized linear inversion (GLI) method, which replaces the linearized subproblem (Cooke and Schneider, 1983) with basis pursuit de-noise (BPDN) problem...

2014

Pre-drill Reservoir Evaluation Using Passive Seismic Imaging

Charles Sicking, Jan Vermilye, Ashley Yaner

Unconventional Resources Technology Conference (URTEC)

... noise in the field data is required for valid testing of the method because reflectivity noise and coherent surface wave noise dominate passive data...

2016

Application of Pseudorandom m-Sequences for Seismic Acquisition

Joe Wong

Search and Discovery.com

... or pure noise is that its autocorrelation is a delta function. The autocorrelation of an m-sequence makes it clear why it is considered...

Unknown

Application of Pseudorandom m-Sequences for Seismic Acquisition

Joe Wong

Search and Discovery.com

... or pure noise is that its autocorrelation is a delta function. The autocorrelation of an m-sequence makes it clear why it is considered...

Unknown

Stress State Derived from Microseismicity Induced by Hydraulic Fracturing: Downhole and Surface Monitoring

Zuzana Jechumtálová, František Stanĕk, Leo Eisner, G.Randy Keller

Unconventional Resources Technology Conference (URTEC)

...-linear or discontinuous mathematical aspects of the inverse problem, and an intrinsic property of the double-couple source mechanisms, which apparently...

2016

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)

... ray attenuation is presented. Using previously established formulas, it is possible to choose calibration coefficients that will result in an error...

1974

A Simple Autocorrelation Algorithm for Determining Grain Size from Digital Images of Sediment: RESEARCH METHODS PAPERS

David M. Rubin

Journal of Sedimentary Research (SEPM)

... 160------------------------ (uncorrelated to other grains). In such a grossly oversimplified representation, the correlation between pixels...

2004

Recursive Inversion and Attribute Analysis of 3D Seismic Data Over a Four-Way Dip Structure, Gulf of Thailand

S. Thanatit, S. Ronghe

Indonesian Petroleum Association

.... A flat surface barely discernible on the instantaneous phase section (Figure 8-A) represents the gas-oil contact. Attenuation of high frequencies...

1999

Bottom Cable 3-D Seismic Operations in the Transition Zone

Ezhar Manaf, Bambang Indroyono, Peter C. Johnson, James A. Musser

Indonesian Petroleum Association

... through migration yields a continuous, high quality image of the subsurface even under the shoreline. Krey, Th. C., 1987, Attenuation of Random Noise...

1995

Geophysical Evidence for Thin-Skinned Structural Deformation in the Norman Range, Northwest Territories

DON C. Lawton, J. Helen Isaac

CSPG Bulletin

...-stack time migration and pre-stack depth migration. Pre-stack noise attenuation was effective in reducing shot-generated noise and improving...

2005

Integrated Geomechanical Interpretation of Hydraulic Stimulation Operations Using Distributed Vibration Sensing

Michael Williams, Joel Le Calvez, Colin Wilson, Adrian Rodriguez-Herrera

Unconventional Resources Technology Conference (URTEC)

... the attenuation of the pump harmonics, etc. We integrate these new measurements into the existing geomechanical modelling approach to stimulation interpretation...

2019

Egypt's Buried Secrets

Mark Davies, Gary Barnes

GEO ExPro Magazine

... varies roughly quadratically with turbulence whilst eFTG noise is more linear. Figure 3b gives the ratio of these trends and shows the noise...

2020

Magnetotelluric Soundings in the Ouchita Thrust Belt of Central Texas

J. G. Muncey , W. J. Ehni

GCAGS Transactions

... one remote reference station and processed by the remote referencing technique (Gamble et al., 1979) to suppress noise. An average separation...

1985

Lateral Continuity of Facies and Parasequences in Middle Cambrian Platform Carbonates, Carrara Formation, Southeastern California, U.S.A.

Roy D. Adams , John P. Grotzinger

Journal of Sedimentary Research (SEPM)

.... D27-D31. BULSARA, A.D., AND GAMMAITONI, L., 1996, Tuning in to noise: Physics Today, v. 49, p. 39-45. CLOYD, K.C., AND DEMICCO, R.V., 1990, Tidal channel...

1996

Seismic Activity in the Central Gulf Coast Basin

Eugene R. Brumbaugh

New Orleans Geological Society

... exploration purposes. Other than multiplicity, which is primarily responsible for the quality of seismic data in regard to signal to noise ratio...

1991

Feasibility of the quantitative time-lapse seismic characterisation of a heterogeneous CO

Roman Isaenkov, Stanislav Glubokovskikh, Boris Gurevich

Petroleum Exploration Society of Australia (PESA)

... parameters can be estimated from realistic bandlimited seismic data and how noise in the data affects the quality of the estimates. To this end we perform...

2019

Seismic data interpolation based on diffusion model deep learning

Sian Hou, Chunming Wang, Qingcai Zeng, Dong Cui, Yixuan Yan, Cai Zhang, Zheng Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to generate labeled data with different levels of Gaussian random noise, and then using existing network models such as U-net or ResNet for training...

2023

Abstracts: Does Accurate Processing of Airborne EM Data Have an Impact on Derived Hydrogeological Units?; #90173 (2015)

Andrea Viezzoli, Camilla Soerensen, and Flemming Jorgensen

Search and Discovery.com

..., and then the hydrogeology, change depending on the level of decoupling of artifacts, of lateral averaging, of late time noise assessment, and compare...

2015

< Previous   14   15   16   17   18   Next >