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The AAPG/Datapages Combined Publications Database
Showing 758 Results. Searched 200,693 documents.
Case Studies: Integrated Production Profiling Analyses from Distributed Temperature and Acoustic Data
Yilin Mao, Caroline Godefroy, Alain Gysen
Unconventional Resources Technology Conference (URTEC)
..., acoustic signal, time) to 4D processed data (additional frequency domain). The data type can be acoustic intensity or phase depending on the input...
2024
SoundBal: Two-Phase Production Logging by Integrating Mass Balance and DAS-Based Speed of Sound
Peyman Moradi
Unconventional Resources Technology Conference (URTEC)
... the suite of tapering-based time-domain and frequency-wavenumber (FK) domain SoS measurement techniques implemented to provide SoundBal with SoS profiles...
2025
Investigating Distributed Acoustic Sensing Performance for Hydraulic Fracturing Monitoring Under Controlled Conditions
Dmitry Kuznetsov, Roman Korkin, Maxim Chertov, Joel Le Calvez
Unconventional Resources Technology Conference (URTEC)
...) This pressure perturbation gives the relative strain of the fluid in the frequency domain: ϵ(ω, x) ≈ δP (ω, x) = ρc2 i v2 2 d c2 ω 2 c ω ei ( c...
2025
Variability of Sandstone Architecture and Bypass Systems of the Miocene Oakville and Lower Lagarto Formations in the Carancahua Bay Area, Texas Gulf Coast
Rattanaporn Fongngern, William A. Ambrose
GCAGS Transactions
... 45 wireline logs and the east-west Caramata 3D seismic (Fig. 1). The seismic data have a frequency domain in a range of 30 to 45 Hz and vertical...
2012
Using Real-Time Acoustic Friction Analysis for Completions Design Evaluation
Riley McFall, Juan De La Garza, Muhammad Khan
Unconventional Resources Technology Conference (URTEC)
...) The coefficient of the reflected wave is calculated in the frequency domain defined by equation 1 (Dunham et al., 2017) where 𝑍 𝑓 is the fracture impedance...
2025
Precursory Detection of Casing Deformation and Induced Seismicity in Unconventional Reservoirs, via Real-Time Surface Pressure Data Analytics
Thomas de Boer, Matthew Adams, Andrew McMurray, Giovanni Grasselli
Unconventional Resources Technology Conference (URTEC)
... frequency-domain techniques. This paper introduces a newly developed signal decomposition and machine learning framework capable of transforming raw...
2025
Discriminating Quaternary Depositional Units on the Texas Coastal Plain Using Airborne Lidar and Near-Surface Geophysics
Jeffrey G. Paine, Edward W. Collins, Lucie Costard
GCAGS Transactions
... measurements were acquired in January and March 2014 using a Geonics EM31 instrument in vertical and horizontal dipole orientations. This frequency-domain...
2015
Advanced Facies Characterization in Clastic Reservoirs from the Gulf of Mexico: Integration of Quantitative Borehole Image Texture and Laminated Deposition Analysis
Indrajit Basu, Anish Kumar, Elizabeth Ruiz
GCAGS Transactions
... in the frequency domain into different scales, corresponding to different layer thickness ranges (Kherroubi et al., 2016). For each scale, lamination and bed...
2020
Filtering of Depositional Events and the Completeness of Sedimentary Sequences
Kevin D. Crowley
Journal of Sedimentary Research (SEPM)
... distribution. In the frequency domain, the low-pass filter has the form H() = H0:|| < c, 0:|| > c (2) where H0 is the filter gain and c is the cut-off...
1984
Albian Pelagic Rhythms (Piobbico Core)
Alfred G. Fischer , Timothy D. Herbert , Giovanni Napoleone , Isabella Premoli Silva , Maurizio Ripepe
Journal of Sedimentary Research (SEPM)
... a precise match to that chosen). Expression of these iterations in the frequency domain is shown in Figure 4. The Fourier amplitude spectrum (FFT...
1991
Computer-Aided Well Log Correlation (1)
J. H. FANG , H. C. CHEN , A. W. SHULTZ , and W. MAHMOUD
AAPG Bulletin
... of thickness variation between sections) and then correlated the logs in the (spatial) frequency domain. Recently, Olea (1988) devised a hybrid method...
1992
Geophysical characterization of a leachate plume from a former municipal solid waste disposal site: A case study on Norman landfill
Md. Iftekhar Alam, Andrew Katumwehe, and Estella Atekwana
AAPG Bulletin
... to better understand the extent of the Norman landfill leachate plume. The goal of the study was to characterize the plume using ERI and the frequency...
2022
Abstract: A study of Spectral Broadening Methods for Multicomponent Data; #90174 (2014)
Chuck Ursenbach, Peter Cary, and Mike Perz
Search and Discovery.com
... in squeezed PS traces depends upon the manner in which the domain transformation is carried out. This is important because frequency is related...
2014
-- no title --
Ehsan, Athar
Search and Discovery.com
... the time domain to the frequency domain, based on the multi-scale strategy (Boonyasiriwat, et.al.,2009, Dessa, et.al., 2004). In this paper...
Unknown
Abstract: 3D Time Domain Full Waveform Inversion Based on Multiscale Adapted Variable Grid Method Case Study Majunga Basin East African Coast; #91204 (2023)
Mukiibi Ssewannyaga Ivan, Jian-Ping Huang, Zi-Ying Wang, Jidong Yang, Jin Keji
Search and Discovery.com
...), developed the time domain FWI technique. Pratt et al. (1998) extended FWI from the time domain to the frequency domain, based on the multi-scale strategy...
2023
Anisotropy Analysis in Shale Using Advanced Sonic Data - Bakken Case Study, #41049 (2012)
Mehdi Ostadhassan, Zhengwen Zeng, Hadi Jabbari
Search and Discovery.com
... to detect shear wave velocity anisotropy in a formation (Plona et al., 2000). Furthermore, advanced frequency domain processing of cross-dipole data...
2012
Integration of Geophysical Data to Define a Structural Model in the North-Central Coast of the Venezuelan Platform; #30327 (2014)
Vanessa Villarroel Estaba and Nuris Orihuela
Search and Discovery.com
... the processing of the anomalies in the frequency domain. Three east-west belts were observed in the Bouguer anomaly regional map (Figure 4), from north to south...
2014
Drilling Risk Assessment through Joint EM and Seismic Data Integrated Interpretation, #41832 (2016).
Gang Yu, Zhanxiang He, Haicong Chen, Zhigang Wang, Jinchen Qin, Yuyu Meng
Search and Discovery.com
.... The new method is named high-power time and frequency domain electromagnetic method (TFEM). A high-power surface or downhole large current dipole...
2016
Reservoir Characterization and Modeling: A Look Back to See the Way Forward
Xinghe Yu, Y. Zee Ma, David Psaila, Paul La Pointe, Ernest Gomez, Shengli Li
AAPG Special Volumes
...:10.1023/A:1007506918588.Huang, X. L., and M. G. Kelkar, 1996, Integration of dynamic data for reservoir characterization in the frequency domain...
2011
Geothermal Systems Assessment: Understanding Risks in Geothermal Exploration in Australia
G. T. Cooper, G. R. Beardsmore
Petroleum Exploration Society of Australia (PESA)
... by the AE reflection method in time-frequency domain. Pure and Applied Geophysics, v. 159, 543–562. PESA Eastern Australasian Basins Symposium III TAO, W.U....
2008
Elastic Waves in Porous Media Saturated with Non-Wetting Fluid
Jimmy X. Li, Reza Rezaee, Tobias M. Müller, Mohammad Sarmadivaleh
Australian Petroleum Production & Exploration Association (APPEA) Journal
... that the higher the viscosity is, the less impact apparent slippage has on the frequency domain (Fig. 4). Theory of apparent slippage and effective...
2020
Analyzing Dune Foreset Cyclicity In Outcrop With Photogrammetry
Derek A. Hayes, Eric R. Timmer, Jared L. Deutsch, Michael J. Ranger, Murray K. Gingras
Journal of Sedimentary Research (SEPM)
... to supplement visual interpretations of cyclicity. This technique transforms the thickness-data time series from the time domain into the frequency domain...
2017
SwashGroundwaterBeach Profile Interactions
Evans Waddell
Special Publications of SEPM
... in the frequency domain Specific differences which support this in swash water the maximum depth is relatively shallow even can cycle of following or 15...
1987
Application of seismic attributes to delineate the geological features of the Malay Basin
Abd AlSalam Almasgari, Mohamed Elsaadany, Abdul Halim Abdul Latiff, Maman Hermana, Abdul Hadi Bin Abd Rahman, Ismailalwali Babikir, Qazi Sohail Imran, Nicholas Fogne Appiah, Teslim Oyediran Adeleke
Geological Society of Malaysia (GSM)
... in Malay Basin to enhance channel imaging and other geological features. The process of transforming seismic data into the frequency domain using...
2020
Seismic attributes for enhancing structural and stratigraphic features: Application to N-Field, Malay Basin, Malaysia
Nur Shafiqah Shahman, Norazif Anuar, Mohamed Elsaadany, Deva Prasad Ghosh
Geological Society of Malaysia (GSM)
... S-transform method on the seismic data can reveal geological information in the time and frequency domain. The result shows that spectral decomposition...
2021