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The AAPG/Datapages Combined Publications Database
Showing 8,924 Results. Searched 200,619 documents.
The Over
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3D Multiple Attenuation for a Deep Reservoir Case Study
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Fracture Analysis at St
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Common Reflection Surface
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Seismic Angle Migration
Search and Discovery.com
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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
.... The residual analytic signal anomaly map derived from the magnetic grid was used to capture the response of existing near surface magnetic signatures even...
2016
Marine Seismic Sources: Part III: A Feeling for Decibels
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... dB for a signal of 1,000 Hz. When measuring sound from a source, it is necessary to measure the distance from the source as well, since the sound...
2010
Mapping Thin Sand Reservoirs in Eastern India
U. K. Guru, M. Krishnamurty, V. C. Ramalah, E. W. Wiltse, Robin Westerman
Southeast Asia Petroleum Exploration Society (SEAPEX)
... in the downgoing wavefield, the upgoing signal is relatively noisy. However, the ‘simultaneous optimisation’ method successfully discriminates between signal...
1990
A new way to enhance the resolution of surface seismic data
Qian Yu, Qing Zhou, Jiaguo Ma, Tao Yan, Lien Bian
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Seismic data is affect by resolution and Signal-to-Noise of itself. So it’s hard to get accurate operator of deconvolution. VSP data is used to extract...
2022
Leveraging legacy data: An onshore reprocessing case study from eastern Australia
Bahaa Soliman, Catalina L. Ocampo, Oscar Garcia, Andy Walz, Anthony Goodall, Emily Guidry
International Meeting for Applied Geoscience and Energy (IMAGE)
... in seismic data signal processing and imaging technology to further leverage the value inherent in legacy acquisition data. We demonstrate how...
2022
Enhancing geological features delineation by combining a relative geological time model with the matching pursuit spectral decomposition
Fabien Cubizolle, Benjamin Durot, Lory Evano
International Meeting for Applied Geoscience and Energy (IMAGE)
...) model. The RGT model comes from a comprehensive seismic interpretation technique (Pauget et al., 2009) (Figure 1). A signal-driven grid is computed...
2022
Low-frequency data reconstruction for full-waveform inversion
Ramzi Djebbi, Maiza Bekara, Jaime Ramos-Martinez, Nizar Chemingui
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity model. However, the Signal-to-Noise-Ratio (SNR) at low frequencies is often bad and it is not always possible to improve it with conventional...
2022
Surface and Subsurface Subdivisions of Cambro-Ordovician Carbonates of Oklahoma
Bruce H. Harlton
Tulsa Geological Society
... the entire Upper Cambrian section consisting of the Honey Creek, Fort Sill, Royer dolomite, and the Signal Mountain formation. This view was also...
1964
UK Continental Shelf: An Evolution in 3D Seismic Imaging of the Central North Sea
Matthew Dack, Gregor Duval, CGG
GEO ExPro Magazine
... with good frequency content and high signal-to-noise ratio at depth. With Cornerstone Evolution, CGG has utilised the latest seismic processing...
2021
Value of marine vibrators for effective frequency-dependent spatial sampling of seismic wavefield
Arash JafarGandomi, Aparajita Nath, Sergio Grion
International Meeting for Applied Geoscience and Energy (IMAGE)
... and effective sweep deconvolution. Introduction The high-precision signal control that marine vibrators achieve allows for novel strategies in survey...
2023
Vector denoising of multicomponent seismic data based on quaternion weighted nuclear norm minimization
J. J. Gao, X. Wang, Y. H. Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
... data are often affected by various random noises. Therefore, suppressing random noise and improving the Signal-to-Noise Ratio(SNR) has always been one...
2024
Using Corona to test NMR response of iron ore chip samples
Mark Downey, Kazek Trofimczyk
Petroleum Exploration Society of Australia (PESA)
... results has been operating the Corona with “burst-mode”, replicating the style of data acquisition used in wireline NMR. The greatly increased signal...
2019
Using the amplitude spectrum to characterize cable coupling of DAS traces
Jiuxun Yin, Takashi Mizuno, Joel Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the spectrum is clustered to autonomously categorize DAS traces into seismic signal and noise. In the second application, the coherency of amplitude...
2024
Data-driven near-surface Q compensation: A case study in Sichuan Basin of China
Xinyuan Feng, Yulian Zhao, Mingtu Xiao
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the seismic wave signal attenuates faster than the lowfrequency component. With the increase of the propagation distance, the frequency of the attenuated...
2024
First Look at Seismic Data from a Towed Dual-Sensor Streamer
Andrew Long, Natasha Hendrick, Rune Tenghamn
Petroleum Exploration Society of Australia (PESA)
..., the pressure and velocity data are better behaved than would be the case for shall ower towing, enab ling accurate signal conditioning during processing...
2007
Marine Broadband Seismic Data Acquisition: PETRONAS Perspective (Paper A1)
C. F. Low, S. Chandola, Z. M. Zawawi, A. Aziz Muhamad, S. Kumar, M. Shah Sulaiman
Geological Society of Malaysia (GSM)
... seismic acquisition have evolved by the proprietary deghosting and imaging techniques (e.g. around improving the bandwidth of recorded seismic signal...
2012
Heavy Oil Reservoir Characterization Using Low Field NMR
Search and Discovery.com
... Amplitude NMR measures the response from fluids in porous media, therefore the signal comes only from the oil and water, and not from the rock...
2013
Improved Exploration, Appraisal and Production Monitoring with Multi-Transient EM Solutions
Search and Discovery.com
... that will in turn increase the bulk modulus and add to the time-lapse signal. The limits of detectability are determined by the resolution and S/N...
2013
Spherical Wave Model Tests of VSP-Based Q-Estimation Techniques
Search and Discovery.com
... fields by applying the spectral ratio method and the analytical signal method. We find that at larger depths, away from density steps, both methods...
2013
Abstract: Lamb Waves Recorded in Microseismic Monitoring Wellbores; #90174 (2014)
Andy St-Onge
Search and Discovery.com
... has been examined to identify coherent signal and noise. The objective was to better understand events recorded on the data. The signal and noise...
2014