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The AAPG/Datapages Combined Publications Database
Showing 18,799 Results. Searched 200,357 documents.
Field Technique Design for Seismic Reflection Exploration
L. R. Denham
Dallas Geological Society
... filter, geophone frequency, record length, geophone array, and spread type. Traditionally, these parameters have been constrained by hardware (e.g....
1982
Single-sensor towed streamer acquisition: a case study from the Gulf of Mexico
P. Munoz, J. Uribe, N. Moldoveanu
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... are summed, thereby yielding a hardwired array response. The 2D analog arrays are designed to provide spatial antialias filtering of the seismic data...
2003
3-D Seismic Workflows Developed to Evaluate Out-of-Zone and Stealth Zone Microseismic Behaviors: Marcellus Shale, Central Appalachians, USA, #41395 (2014).
Tom Wilson, Ariel K. Hart, Peter Sullivan
Search and Discovery.com
... amplitude followed by bandpass filtering in a series of two to three steps to increase apparent frequency content. The output retains direct...
2014
Wave-equation based amplitude versus offset inversion in long time windows, with time-variant wavelets
Dries Gisolf, Peter R. Haffinger
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the true medium, or the medium from inversion, and the travel times described by the low-frequency background velocities. All these nonlinearities...
2022
Petroleum System Identification Using Spectrally Decomposed Gravity Data: Case Study of Surabaya Area
Almira Mahsa, Farid H. Pradana, Firman Syaifuddin
Indonesian Petroleum Association
... of the interpreter in producing the final model. Spectral Decomposition is the process of compiling a model derived directly from certain frequency...
2018
Telluric Currents and Their Use in Petroleum Exploration
K. Vozoff , R. M. Ellis , M. D. Burke
AAPG Bulletin
... applications. The major problems at the present time are analyzing and interpreting the measurements. Analysis (filtering) is now being done...
1964
Abstract: Recovering Low Frequencies for Impedance Inversion by Frequency Domain Deconvolution; #90224 (2015)
Sina Esmaeili and Gary Frank
Search and Discovery.com
...Abstract: Recovering Low Frequencies for Impedance Inversion by Frequency Domain Deconvolution; #90224 (2015) Sina Esmaeili and Gary Frank Datapages...
2015
New Data Reveals Sub-Salt Levantine Basin
Øystein Lie, Per Helge Semb
GEO ExPro Magazine
.... Spectral analyses quantified the amplitude versus frequency level and showed a significant increase of both low and high frequencies. The low frequency...
2009
Following Seismic Depth Imaging Technology for the Mexican Oil Industry: Experiences and Lessons Learned; #70232 (2016)
Sergio Chávez-Pérez, Mario A. Centeno-Miranda, Douglas A. Gómez-Reyes, Liliana Vargas-Meleza
Search and Discovery.com
... waveform inversion), and methods of frequency enhancement during advanced seismic imaging. The vogue is to use available technology to obtain reliable...
2016
Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data
Robert E. Sheriff
AAPG Special Volumes
... geology. Velocity filtering and the redundancy provided by recording with high degrees of multiplicity permit the attenuation of many types...
1977
Rock Physics Inversion: A Montney Case Study, #41295 (2014)
James Johnson, Lisa Holmstrom, Satwant Diocee, Rob Tilson, Sean Johnson
Search and Discovery.com
... decomposition to generate a constant frequency slice matrix with a lower rank then the input. Cadzow filters can perform better than traditional FX filtering...
2014
Lineaments in Enhanced Remote Sensing Images: An Example from the Upper Perak Valley, Perak Darul Ridwan
Juhari Mat Akhir
Geological Society of Malaysia (GSM)
..., particularly filtering, intended to enhance the visibility of lineaments. The contrast stretched of MSS band 7 was found to be the best in displaying...
2004
Dipmeters: Part 4. Wireline Methods
Joseph F. Goetz
AAPG Special Volumes
... thickness and regularity -- Layering contrast and frequency -- Layering continuity -- Flasering and load structures In Figure 3, a raw dipmeter curve...
1992
Null-space shuttle inspired feature-targeted uncertainty analysis and stochastic inversion improvement
Jingfeng Zhang, Esteban Díaz, Anar Yusifov, Ganyuan Xia
International Meeting for Applied Geoscience and Energy (IMAGE)
..., such as high-frequency features or velocity and density anomalies, are truly demanded by the data, and which ones are less critical. For instance...
2024
Construction and Analysis of Three-Dimensional Seismic Porosity Inversion Models
Hongliu Zeng
AAPG Special Volumes
... effective signal bandwidth. Several methods can achieve high-frequency signal enhancement, such as frequency filtering and deconvolution (Yilmaz, 1987...
2012
Abstract: Interesting Directions Being Pursued in Seismic Curvature Attribute Analysis; #90187 (2014)
Satinder Chopra and Kurt J. Marfurt
Search and Discovery.com
... noise inherent in poststack migrated data volumes is perhaps most safely attenuated using edge-preserving structure-oriented filtering. Marfurt (2006...
2014
Applications of Broadband Land Seismology; #70253 (2017)
Zhang Ruijie
Search and Discovery.com
... the resolution of seismic data and inversion quality. The broadband vibrator, LFV3 that enhances low frequency energy from 3Hz, has been developed...
2017
Prospect Investigation and De-Risking Using Cognitive Interpretation Workflows, Offshore Equatorial Guinea; #42170 (2017)
Tom Wooltorton, Stephen Leslie, Merritt Smith, Ryan M. Williams, Luis Gomez
Search and Discovery.com
... and IIp (with phase change). The environments of deposition were revealed using frequency decomposition and RGB (Red, Green, Blue) blending...
2017
Time-lapse processing and imaging of the Snowflake 3D DAS VSP CO2 monitoring dataset
Xiaohui Cai, Kristopher A. Innanen, Qi Hu, Ziguang Su, Donald C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
...-domain integration led to significant low-frequency noise, ranging from 0 to 10 Hz. Given these challenges, we applied a 180-degree phase shift...
2024
Lithology variability and channel geomorphology of the mixed carbonate-siliciclastic San Andres and Grayburg interval using frequency-based seismic attributes, southwestern Midland Basin
Laura Ortiz-Sanguino, Heather Bedle, Matthew J. Pranter, Sumit Verma
International Meeting for Applied Geoscience and Energy (IMAGE)
...Lithology variability and channel geomorphology of the mixed carbonate-siliciclastic San Andres and Grayburg interval using frequency-based seismic...
2022
Seismic Data-Processing Techniques in Exploration for Reefs, Northern Michigan
P. L. McClintock
AAPG Special Volumes
.... In northern Michigan separation of coherent noise and reflection energy is extremely difficult because frequency ranges of coherent noise and reflections...
1977
Analysis of High Resolution Seismic Data: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation
Herman C. Sieck, George W. Self
AAPG Special Volumes
... of the source transducers. Signals outside the desired frequency range are removed by frequency filtering. The seismic data are displayed graphically...
1977
Wave Equation Shot Migration as a Ground Roll Filter.
Francisco Ortigosa, Pedro Muñoz
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... is not a constraint for removing Ground Roll through Stack Array or filtering in that Domain. As a result, improved image quality seismic data can...
2008
The Non-normal Distribution of Intermittent Suspension Sediments Below Breaking Waves
Stephen K. Kennedy, Robert Ehrlich, Timothy W. Kana
Journal of Sedimentary Research (SEPM)
... or lognormal but were basically unimodal and asymmetric. Plots of cumulative frequency distribution on probability paper can be described as intersecting...
1981
The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)
Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,
Search and Discovery.com
... using high frequency geophones. Seismic energy is provided by a 'shot' on surface. For shallow seismics, this will normally comprise a hammer and plate...
2011