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The AAPG/Datapages Combined Publications Database
Showing 8,925 Results. Searched 200,756 documents.
DAS noise attenuation using wavelet stack
Zhou Yu, Zhaojun Liu, Ge Zhan, Peng Cheng, Bin Wang, Weihong Fei
International Meeting for Applied Geoscience and Energy (IMAGE)
... Zhou Yu*, Zhaojun Liu, Ge Zhan, Peng Cheng, Bin Wang, TGS, Houston, USA. Weihong Fei, Chevron Summary Dense spatial sampling (~1m) and low signal...
2022
Nonuniform dispersed source arrays for broadband seismic acquisition
Joaqun A. Acedo, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... procedure. Then, specific sensing modality and signal properties assumptions are discussed. Examples are used to validate the proposed method...
2023
Multiwell 3D DAS-VSP data acquisition for offshore exploration in the Middle East
Qingfeng Li, Gang Yu, Jilong Zhao, Dong Huang, Yangshuan Fan
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the well as a seismic sensor array to receive seismic signals. When the seismic signal is transmitted to the fiber and causes a small deformation...
2023
First arrival enhancement by statics preserving filtering using surface-consistent constraints
Alejandro Quiaro, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
...First arrival enhancement by statics preserving filtering using surface-consistent constraints Alejandro Quiaro, Mauricio D. Sacchi First arrival...
2023
Subsurface seismic imaging using drill bit noise
Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic
Petroleum Exploration Society of Australia (PESA)
... [email protected] SUMMARY Acoustic signal generated by drill bit cutting action in the borehole can be recorded passively by geophones on the surface...
2019
Fathogram Indications of Bottom Materials in Lake Michigan
J. L. Hough
Journal of Sedimentary Research (SEPM)
... obtained in some areas were correlated with specific clay strata. The effects of rough water, and of variation of signal strength are illustrated...
1952
A Novel Method for Evaluating the Shale Oil Movability in Laboratory by Using High-field NMR and Sequential Extraction
Longhui Bai, Bo Liu, Z. Harry Xie
Unconventional Resources Technology Conference (URTEC)
... values of EOM-C (T2-C-cutoff) vary from 0.025 to 0.63ms, with an average value of 0.23 ms. Figure 5. (a) T2 incremental signal spectra...
2023
Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)
Kristof De Meersman and Majda Mihoub
Search and Discovery.com
... of multicomponent data also led to the development of vector-type filters that utilize polarization properties to distinguish signal and noise using all...
2014
Abstracts: CO2 Rock Physics: A Laboratory Study; #90173 (2015)
Helen Yam and Douglas R. Schmitt
Search and Discovery.com
... 9-11, 2011 The transmitted signal is generated by exciting the transmitting transducer with a fast-rising 200 V square wave from a pulse generator...
2015
Regional Groundwater Studies Using Aeromagnetic Technique; #41948 (2016)
E. S. Joel, P. I. Olasehinde, D. K. De, O. Maxwell
Search and Discovery.com
... such as analytical signal, first and second vertical derivative, source parameter imaging, etc. In this present work, processed aeromagnetic data was subjected...
2016
Improving Sea Bed Logging with Magnetic Field Measurements; #42230 (2018)
Teruhiko Hagiwara
Search and Discovery.com
... in the plot. In Figure 5a for the transmitter-receiver offset of L=300 m, the BG signal level of the in-line electric field amplitude is about 4.27*10-8...
2018
Marine Seismic Sources: Part II: Air-Gun Arrays for Non Experts
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... levels. the effect of the water layer and seabottom The seismic signal from the air-gun array will be affected by the physical properties...
2010
Joint designature of data with a diversity of sources
Shuki Ronen, Thibaut Allemand, Stphane Laroche, Philippe Herrmann, Hamish Macintyre, Maksym Kryvohuz, Guido Baetan
International Meeting for Applied Geoscience and Energy (IMAGE)
... targets under complex overburden such as salt or basalt (Ziolkowski et al, 2003), from the ability of low frequency signal to mitigate the challenge...
2022
Completing the Picture
James Dodson
GEO ExPro Magazine
... that also benefits from a high signal-to-noise ratio at the majority of wavelengths when compared to conventional gravity when acquired from a moving...
2014
Seismic monitoring using compact phased arrays: CO2 sequestration monitoring
Jian Zhang, Elige B. Grant, Paul A. Nyffenegger, Mark A. Tinker, Kevin D. Hutchenson, Don C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
... efforts on enhancing signal resolution and event detection/location capabilities. At the same time, the economic and logistical considerations of persistent...
2022
Choosing the Best 3D Seismic Dataset for Reservoir Interpretation: A Case Study in Tunu Shallow Zone, Mahakam PSC, Indonesia
Teuku Reiza Yuanda, Rangga A. Brahmantio
Indonesian Petroleum Association
... was to analyze datasets quality using quantitative QC parameters: amplitude consistency, signal frequency, noise attenuation, sub-stacks consistency...
2012
Extending seismic bandwidth using the harmonic energy of a marine vibrator source
Tiexing Wang, Arash JafarGandomi, Hakon Aune
International Meeting for Applied Geoscience and Energy (IMAGE)
... weaker than the fundamental frequency signal, we show that marine vibrator harmonics can in principle be harnessed to broaden the frequency band...
2023
Enhancing high-frequency vibroseis images of near surface: Uncorrelated is key
Richard D. Miller, Zachary Lawrence, Alex Martinez, Julian Ivanov, Dmitry Borisov, Joseph Reilly
International Meeting for Applied Geoscience and Energy (IMAGE)
... Challenges faced in decoding high signal-to-noise ratio, high-frequency vibroseis data for near-surface targets demand the recording of raw...
2023
A simple modeling experiment for understanding the impact of noise on high-resolution high-density near surface seismic reflection data
Ted Stieglitz, Jim Pfeiffer, Juan Ortega, Doug Laymon
International Meeting for Applied Geoscience and Energy (IMAGE)
... and signal for high resolution programs. The results suggest that spatial sampling is more important than signal strength. The understandings gleaned from...
2024
A Novel Casing Antenna System for Crosswell Electromagnetic Telemetry in Pad Drilling
Shubin Zeng, Qiuzhao Dong, Jiefu Chen
Unconventional Resources Technology Conference (URTEC)
... electromagnetic telemetry settings. Theoretical and numerical analysis suggest that this new telemetry technology may have a much lower signal attenuation...
2017
Sequence Stratigraphic Boundary Delineation Based on Adaptive Seismic Decomposition, #42067 (2017).
Fangyu Li, Rui Zhai, Jie Qi, Bo Zhang, Kurt J. Marfurt
Search and Discovery.com
... amplitude volumes, they are often masked by noise and artifacts from seismic acquisition and processing. “Signal decomposition” techniques can reveal...
2017
3D Seismic Data Conditioning to Enhance Fault Interpretation
Mohammad Nashruddin Solihulhadi, William Amelio Tolioe
Indonesian Petroleum Association
... information and correct parameter adjustment. Seismic data conditioning should be required for fault interpretation. Edge enhancement of seismic...
2007
Wells Used in Figure 2: Appendix 1
Robert S. Yeats, John M. Beall
AAPG Special Volumes
.... 9-27 (offshore Redondo Beach) 2. C. H. 9-28 3. C. H. 9-29 4. C. H. 9-30 5. C. H. 9-31, 9-32 6. Signal CORB 100 7. Signal CORB 103 8. Signal CORB 1 9...
1991
Hydraulic fracture-hit detection system using low-frequency DAS data
Xiaoyu Zhu, Ge Jin, Richard Hammack
International Meeting for Applied Geoscience and Energy (IMAGE)
... fracture propagation (Zhu and Jin, 2021). A typical fracture hit signal in LF-DAS data is shown in Figure 1. A hydraulic fracture from the injection...
2022
Increasing signal-to-noise ratio of borehole image logs using convolutional neural networks
Mustafa A. Al Ibrahim, Mokhles M. Mezghani
International Meeting for Applied Geoscience and Energy (IMAGE)
...Increasing signal-to-noise ratio of borehole image logs using convolutional neural networks Mustafa A. Al Ibrahim, Mokhles M. Mezghani Increasing...
2022