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The AAPG/Datapages Combined Publications Database
Showing 8,923 Results. Searched 200,673 documents.
Low Frequency Shadow Zone Analysis Based on CWT Spectral Decomposition: Case Study of South Sumatra Basin
Abdul Haris, I Nengah Suabdi, Erwinsyah, Adriansyah, Abdullah Nurhasan, Ahsanul Khair, Ian A. Kainama
Indonesian Petroleum Association
...’ of a seismic signal, aims to characterize the time-dependent frequency response of subsurface rocks and reservoirs. One of the methods for computing a time...
2008
Changes in Porosity and Organic Matter Phase Distribution Monitored by NMR Relaxometry Following Hydrous Pyrolysis Under Uniaxial Confinement
Kathryn E. Washburn, Justin E. Birdwell, Michael D. Lewan, Michael Miller
Unconventional Resources Technology Conference (URTEC)
... of this hydrogen relaxes too quickly to be measured by LF-NMR equipment, but some of the signal from organic solids can be detected. Therefore, to adequately...
2013
Broadband 4D Seismic Provides New Level of Detail
Yulia Biryaltseva, Tor Vegar Mårdalen, Per-Harald Saure-Thomassen, Marta Wierzchowska, Anastasiya Tantsereva, Julien Oukili
GEO ExPro Magazine
... Tantsereva, Julien Oukili Broadband 4D Seismic Provides New Level of Detail Understanding new details in the 4D seismic signal uncovered by a broadband...
2020
Simultaneous source acquisition, accuracy, and deblending
Ray Abma
International Meeting for Applied Geoscience and Energy (IMAGE)
... Separating the signal and the interference requires that the signal be coherent and the interference be incoherent. This requires the source times...
2024
Full Wave Acoustic Logging: Some Examples
John W. Minear
Southeast Asia Petroleum Exploration Society (SEAPEX)
... is available in the acoustic signal. The objective of full-wave acoustic logging is to use more of this information to determine formation properties. Full...
1984
Assessment of the permanent seismic sources for borehole seismic monitoring applications: CO2CRC Otway Project
Sinem Yavuz, Julia Correa, Roman Pevzner, Barry Freifeld, Todd Wood, Konstantin Tertyshnikov, Sofya Popik, Michael Robertson
Petroleum Exploration Society of Australia (PESA)
... signal. Furthermore, permanently installed distributed acoustic sensing (DAS) in the wells allowed us to evaluate their long-term applicability...
2019
Revealing a Shaly (Tight) Sand Reservoir's Distribution by Applying an Untapped Sub-Frequency Combination Method: A Case Study in the West Jambi II Block, South Sumatra Basin
Indra Luthfiana, C. Maya Resha Tuhar, Endi Erfanto, Randy Condronegoro, Hendra Niko Saputra, Abghia Dini Fanzuri, Yan Wijaya, Totok Parafianto
Indonesian Petroleum Association
... sub band frequencies. A number of potential sub band frequencies were selected based on a 1D signal analysis (Complex CWT) where the results from sub...
2018
Low-Frequency De-Ghosting Method to Enhance Basement Layer Continuity Image in Foxtrot South East Area, North West Java Sea
Ryan Bobby Andika, Hudzaifah, Deny Martian, Nurudin Mahmud, Sri Sadono
Indonesian Petroleum Association
.... Specifically, some papers have stated that the benefits of the low-frequency component could improve signal penetration, resolution enhancement, and also...
2019
Uncertainty in Surface Microseismic Monitoring; #41258 (2013)
Mike Mueller, Michael Thornton, and Leo Eisner
Search and Discovery.com
... to illustrate the performance characteristics of the migration process in terms of signal detection and false-alarm rates, along with uncertainties...
2013
A Seismic 3C3D/4D Experiment in a Production Field in the Middle Magdalena Valley
William Agudelo, Saúl Guevara, Germán Ojeda, Gabriel Álvarez
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
..., Gabriel; INFORPETROL LTDA. © Copyright 2009 ACGGP. This paper was prepared for presentation at the X Simposio Bolivariano Exploración Petrolera en...
2009
Effective Data Denoising and Imaging in the Sanga Sanga PSC Using CRS Approach
Michele Buia, Paolo Marchetti, Amalia Setoputri, Teguh Nugraha
Indonesian Petroleum Association
... lead to sub optimal results, in terms of trace fold (illumination) and in terms of achievable resolution and signal to noise ratio. Despite...
2008
Clari-Fi: Broadband Data from Conventional Streamer Acquisition
Nic Woodburn, Tom Travis, Hassan Masoomzadeh, TGS
GEO ExPro Magazine
... of the signal output from marine airgun arrays – This attenuation is commonly ex pressed as effective Q, Qeff, which is a combination...
2012
Electron Spin Resonance (ESR) for Oil Exploration Part 2. Detection of Asphaltenes Adsorbed on Reservoir Rock
G.W. Starke, S.W. Nicksic
Pacific Section of AAPG
... involves chemical treatment of a sample of core or drill cuttings. The treatment results in an enhancement of the ESR signal universally characteristic...
1983
New geological insights gained from the reprocessing, imaging, and interpretation of legacy seismic datasetsOffshore Mauritania
Kranthi Garidepalli, Elisabeth Gillbard, Simon Dean, Darren Judd, Nassim Kettouche, Paul Bellingham
International Meeting for Applied Geoscience and Energy (IMAGE)
... through to present day. Improvements in signal processing allow for cleaner, broader bandwidth datasets to be output. Modern demultiple techniques...
2022
Marine Vibrators: Part I: Early Developments and a Failure
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
..., and why it might be getting closer to reality. A Bit of History et al. (1960) published a paper entitled ‘Continuous signal seismograph’, where...
2018
Deriving Subsurface Insight from Seismic
Gregory Partyka
Indonesian Petroleum Association
..., allows it to serve as an ideal backdrop for integrating well and reservoir data. There are limits to what it can do however. Limited signal bandwidth...
2015
Noise suppression and compressive sensing recovery with seismic-adapted DnCNN within RED
Nasser Kazemi
International Meeting for Applied Geoscience and Energy (IMAGE)
... and compressive sensing applications. INTRODUCTION Recently, deep learning gained a remarkable interest in the signal processing community (Krizhevsky et al...
2024
Extended Abstract: Reservoir Imaging and Characterisation: The Roller Field
Total Depth (Exploration Services) Pty. Ltd., Signal Estimation Technology Inc.
Petroleum Exploration Society of Australia (PESA)
...Extended Abstract: Reservoir Imaging and Characterisation: The Roller Field Total Depth (Exploration Services) Pty. Ltd., Signal Estimation...
1997
Production Logging: Part 9. Production Engineering Methods
James J. Smolen
AAPG Special Volumes
..., the operator chases the ejected radioactive material as it moves with the injected fluid. By noting the position, time, and size of the tracer signal...
1992
III. Processing For Preservation of Seismic Amplitudes
Norman S. Neidell
AAPG Special Volumes
... Principles and Techniques A. Signal Levels and The Seismic Trace The rediscovery of the exploration significance of seismic event amplitudes was one...
1979
Filter-Bank Strategies for Efficient Computation of Radon Transforms for SNR Enhancement
Mauricio D. Sacchi
Search and Discovery.com
...Filter-Bank Strategies for Efficient Computation of Radon Transforms for SNR Enhancement Mauricio D. Sacchi Filter-Bank Strategies for Efficient...
Unknown
Filter-Bank Strategies for Efficient Computation of Radon Transforms for SNR Enhancement
Mauricio D. Sacchi
Search and Discovery.com
...Filter-Bank Strategies for Efficient Computation of Radon Transforms for SNR Enhancement Mauricio D. Sacchi Filter-Bank Strategies for Efficient...
Unknown
Abstract: Noise and its Effect on Microseismic Event Locations; #90174 (2014)
Neda Boroumand and Henry Bland
Search and Discovery.com
... [email protected] Summary Noise can be considered anything that interferes with the desired signal. It is generally divided into coherent...
2014
A Preliminary Assessment of the Hydrocarbon Potential of Kerio Valley Basin: Gravity and Magnetic Interpretation; #10910 (2017)
Abiud W. Masinde, Cleophas W. Simiyu, Innocent K. Murunga, George Muia, Aaron K. Waswa, Justus Barongo
Search and Discovery.com
... complicated. Tilt derivative of the magnetic grid was used to estimate depth to basement. The residual analytic signal anomaly map derived from...
2017
A Method for Reducing the Effects of Base Plate Distortion
S. A. Sorkin
Pacific Section of AAPG
... of base plate distortion can be serious, especially when using a down sweep. Any harmonic frequencies present in the signal being cross-correlated...
1972