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The AAPG/Datapages Combined Publications Database
Showing 34,457 Results. Searched 200,357 documents.
Effective Fracture Geometry Analysis Based on Data of Well Production, Pressure Gauge, and Strain Change of HFTS-1-III in Eagle Ford Shale
Fatima Almarzoog, Kan Wu, Ge Jin
Unconventional Resources Technology Conference (URTEC)
... the signal-to-noise ratio quality. In contrast, RFS-DSS offers a higher spatial resolution of 0.2 m and low measuring sensitivity of <1 με. Moreover...
2024
Robust joint inversion and segmentation of 4D seismic data
Juan Romero, Matteo Ravasi, Nick Luiken
International Meeting for Applied Geoscience and Energy (IMAGE)
... approach, we use 2 metrics: the Relative Reconstruction Error (RRE) and the Peak-Signal to Noise Ratio (PSNR). The inversion using approach 1 (Figure 2...
2022
Improved Methodology for Using Embedded Markov Chains to Describe Cyclical Sediments
Dennis W. Powers, Robert G. Easterling
Journal of Sedimentary Research (SEPM)
... the observed matrix implies we can filter the observations for randomness or noise. The remainder should then be expected to represent signal...
1982
Nuclear magnetic resonance and x-ray microtomography pore-scale analysis of oil recovery in mixed-porosity carbonates
Hubert King, Michael Sansone, John Dunsmuir, Nicole Callen, Pavel Kortunov, Ye Xu, Antonio Buono, Bo Gao, and James Kralik
AAPG Bulletin
... is slower than conventional 2-D detectors, it offers a wide field of view, excellent signal-to-noise ratio, and significantly reduced reconstruction...
2020
Effects of internal gradients on pore-size distribution in shale
Christian Obasi, and Jack Pashin
AAPG Bulletin
... and during τ2, the decay is caused by T2. To improve the signal-to-noise ratio, data were stacked 256 times, and the signal-to-noise ratio set to 200 for all...
2018
Luminescence Petrography and Spectroscopic Studies of Diagenetic Minerals
Grahame Walker, Stuart Burley
Special Publications of SEPM
... in the SEM the signal-to-noise ratio of such spectral measurements is not usually as good as that obtained with specialised CL instruments. Spectral...
1991
Seismic intelligent characterization of paleocave filling types in deeply buried carbonate reservoirs
Jiangyun Zhang, Fei Tian, Wenxiu Zhang, Wenhao Zheng, Wang Zhang, Zhongxing Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... signal-to-noise ratio. Furthermore, drilling data and core samples show that most of the paleocaves are with height less than 5 meters, so the resolution...
2022
A 3D Seismic Exploration Method for Fractured Gas Reservoirs
James J. Reeves, W. Hoxie Smith
West Texas Geological Society
... azimuth data. The increase in signal to noise ratio obtained by pre stack time migration has greatly improved our ability to do this analysis. Interval...
2004
Yesterday, Today, and Tomorrow in Seismic Exploration
Emil J. Mateker, Jr.
GCAGS Transactions
... an expansion of the geologic information generated from reflection data. In the early stages of this revolution the signal/noise ratio was improved...
1970
A comparison of Marchenko multiples elimination schemes based on the beyond Neumann solution
Rodrigo S. Santos, Daniel E. Revelo, Reynam C. Pestana, Victor Koehne, Marcelo S. Souza, Diego F. Barrera, Laila D. L. Vergne
International Meeting for Applied Geoscience and Energy (IMAGE)
... scheme, the data exhibits an enhanced signal-to-noise ratio, consequently facilitating a clearer depiction of the subsurface within migration images...
2024
Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing
R. Malcolm Lansley
AAPG Special Volumes
... affect our ability to record broad bandwidth data with a good signal-to-noise ratio. One of the more significant of these is the use of arrays. We...
2011
Crustal Structure Study on Gulf Coast of Texas
A. L. Hales , C. E. Helsley , J. B. Nation
AAPG Bulletin
... at a distance of about 15 km from the buoy. We do not believe that this offset is due to reading error or to poor signal-to-noise ratio. The records before...
1970
Chapter Eight: Horizon and Formation Attributes
Alistair R. Brown
AAPG Special Volumes
...-based amplitude attribute that addresses internal distribution. Relative to energy half-time it relies perhaps less on signal-to-noise but more...
2011
Fast self-supervised learning for reconstruction of 3D seismic data
Yinshuo Li, Wenkai Lu, We Cao
International Meeting for Applied Geoscience and Energy (IMAGE)
... on both limitedtimeSNR | Time ] and full training. The comparison is implemented in terms of signal-to-noise ratio (SNR) and time cost. Synthetic training...
2024
Depositional setting and diagenetic processes and their impact on the reservoir quality in the late ViseanBashkirian Kashagan carbonate platform (Pre-Caspian Basin, Kazakhstan)
Paola Ronchi, Andrea Ortenzi, Ornella Borromeo, Michele Claps, William G. Zempolich
AAPG Bulletin
... a PANalytical CubiX, fitted with a fast detector, characterized by a high count rate and a high signal-to-noise ratio. The diffraction profiles were...
2010
Detection of shallow sedimentary structure of Yigong Lake in Tibetan Plateau using distributed acoustic sensing
Jian Zhou, Jizhong Yang, Heng Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... data processing. Figure 7 shows the final processed waveform and its spectrum. The resulting signal is more like white noise with a “flat” spectrum...
2022
Comparison of EMD and S-Transform Spectral Decomposition for Characterizing Hydrocarbon Reservoir: Case Study of East Java Basin
Abdul Haris, A. M. Ustad, Didik Ardiyanto, Gadang G. Wihardy, Budiyono, Tri Bowo, Murti Widyawan
Indonesian Petroleum Association
... development, which has superiority in improving signal-to-noise ratio and fast computation, is Empirical Mode Decomposition (EMD) and S-Transform...
2011
Frequency-dependent reflection characteristics of single thin layer and waveform inversion
Zhengyang Kuai, Danping Cao, Chao Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
... that our method still has certain advantages in the presence of noise and the signal-to-noise ratio (SNR) is used to simulate the intensity of random...
2023
Microseismic-Derived Ultimate Expected Fracture Half-Length in Unconventional Stimulated Reservoir Volume in a Multi-Fractured Horizontal 8 Well Full PadCanadian Horn River Basin Case Study
Claudio Virues, Jessica Budge, Eric Von Lunen
Unconventional Resources Technology Conference (URTEC)
... strength and quality, such an interpretation considers uncertain and certain data. Low Signal to Noise Ratio tend to be more uncertain and filtering...
2015
Prestack inversion and amplitude variation with offset attributes as hydrocarbon indicators in carbonate rocks: A case study from the Illinois Basin
Jacob T. Murchek, Paul McColgan, Lindell C. Bridges, Ernest C. Hauser, and Doyle R. Watts
AAPG Bulletin
... with the primary purpose of enhancing the signal-to-noise ratio (S/N). Ostrander gathers are generated from supergathers by stacking traces with similar offset...
2023
Lidar Intensity as a Remote Sensor of Rock Properties
Darrin Burton, Dallas B. Dunlap, Lesli J. Wood, Peter P. Flaig
Journal of Sedimentary Research (SEPM)
... measurements), but improves the signal-to-noise ratio. Both physical and environmental conditions impact intensity values. The most important physical factors...
2011
Advanced analysis of helicopter-borne microTEM data for seismic base of sand corrections
Ersan Turkoglu, Daniele Colombo, Ernesto Sandoval-Curiel
International Meeting for Applied Geoscience and Energy (IMAGE)
... causing tilt and vibration of the system. Another reason for low signal to noise ratio (S/N) is the EM bird clearance from the ground due to the small...
2022
Adjustments of Velocity Logs to Tie Geophone Surveys
Warren Hicks
Oklahoma City Geological Society
...-to-noise ratio. SYMPOSIUM DISCUSSION PERIOD (A. J. Oden) It should be re-emphasized that the log presented by Mr. Robinson was selected primarily...
1961
High-resolution prestack seismic inversion of reservoir parameters using an arch network
Ting Chen, Yaojun Wang, Yuan Yuan, Gang Yu, Guangmin Hu
International Meeting for Applied Geoscience and Energy (IMAGE)
... thickness and poor signal-noise ratio (SNR) of pre-stack 3D seismic data. As shown in figure 5, we display the proportion of lithology obtained from well...
2022
Multi-Attribute Analysis of a Low-Frequency Passive Seismic Method for Hydrocarbon Indicator Prospecting: Case Study in Cemara Field, Cirebon, West Java, Indonesia
Dimmas Ramadhan, Andri Dian Nugraha, Afnimar, Muhammad Fadhillah Akbar, Guntur Mulyanagara
Indonesian Petroleum Association
... that represents good and clear data (relatively without noise) for further processing (Fig. 3). The data believed to have a better signal/noise ratio...
2013