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The AAPG/Datapages Combined Publications Database
Showing 20,644 Results. Searched 200,636 documents.
Petrophysical characterization of Lower Cretaceous marly chalk through 1H-NMR and complex conductivity
Ermis Proestakis, Leonardo Teixeira Pinto Meireles, Ida Lykke Fabricius
International Meeting for Applied Geoscience and Energy (IMAGE)
... of chargeability to provide information on the specific surface area of the total volume, which will aid in matrix permeability modeling efforts. Theory...
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)
... sampling theory. Stepping back from the problem, we know that the Earth acts as a low pass filter to attenuate and disperse seismic signal. Excluding...
2024
Characterization of Seismic Anomalies using Converted Waves: A Case History from East Natuna Basin
Lotfi Ben-Brahim, Ronan Petton, Michel Couderc, Agus Djamhoer
Indonesian Petroleum Association
..., anomalous ray paths and generating intriguing features. A 2D/4C sea bed survey was acquired to improve imaging through gas clouds, characterize...
2000
Calibrating FWI image amplitudes: Insights from deepwater GoM
Lennon Infante-Paez, Nayyer Islam
International Meeting for Applied Geoscience and Energy (IMAGE)
... (the BR sands exhibit a slight positive gradient making it a Class IV in theory; however, this change is small enough that we interpret it as a flat...
2024
Neutron Count Rates Ratio as Salinity Independent Gas Identification Tool: Case in Mahakam Shallow Zone
Hidayat Mukmin, Febrina Ari Restuti, Gde Wirawan, Haris Kurniawan Hidayat
Indonesian Petroleum Association
... which are measured by near and far detectors, given rise to the ratio BASIC THEORY Basically in water bearing sand (hydrogen index=1...
2016
Nonlinear time difference detection based on template matching and its denoising applications
Rongwei Xu, Bo Feng, Huazhong Wang, Chengliang Wu, Zhenbo Nie
International Meeting for Applied Geoscience and Energy (IMAGE)
...: theory and practice: John Wiley & Sons. Theodoridis, S., and K. Koutroumbas, 2006, Pattern recognition: Elsevier. Wu, C., and H. Wang, 2018, Nonlinear...
2024
Nano-enhanced drilling fluids: Effects of MgO and ZnO nanoparticles on rheological properties and ANN modeling for predictive analysis
Moamen Gasser, Taha Yehia, Hossam Ebaid, Nathan Meehan, Omar Mahmoud
International Meeting for Applied Geoscience and Energy (IMAGE)
...), and x-ray diffraction (XRD) are discussed in this section for the NPs are presented and used in explaining the behavior of the nano-modified drilling...
2024
Seismic Profile, Structural Cross Section, and Geochemical Comparisons
Donald S. Stone
Rocky Mountain Association of Geologists
... in the footwall block on the seismic profile is produced mostly, if not entirely, by velocity pull-up because ray paths are through the overthrust, high...
1986
Studies on Bacterial Precipitation of Carbonates in Sea Water
Claude Lalou
Journal of Sedimentary Research (SEPM)
... for Ca and Mg, and some X-ray diagrams. BLACK, M., 1953, The precipitation of calcium carbonate on the Great Bahama Bank: Geol. Mag., v. 70, p. 455-466...
1957
Reconstruction of Conventional Plot & Method to Define and Produce Bypassed Hydrocarbon Zone in a Low Resistivity Low Contrast (LRLC) Reservoir, a Case Study of Offshore North West Java Area
Didit Putra Kusuma, Shofiyuddin, Riezal Arieffiandhany, Bertha Sondang M, Wisnu Wijanarko, Atmaji Nugroho
Indonesian Petroleum Association
... marine environment, from neritic to littoral. The LRLC reservoir is characterized by relatively low gamma ray (10-30 degs API) and low resistivity...
2018
Integrated Seismic Attributes and AVO Analysis in the Faults and Hydrocarbon Leakage Extraction
Ragil Destriawan Prasetyo, Dicky Harishidayat
Indonesian Petroleum Association
... for this study. One well is available for this study. It has Gamma Ray, density, sonic, and check shot log measurements. The well is known to have minor oil...
2019
Unlocking the Potential of Conventional Narrow Azimuth Data by Full-Waveform Inversion: a Deep Carbonate Imaging Case Study, Offshore Indonesia
Jun Wang, Yonghe Guo, Putri Supriandini, Bahrul Yusrie, Natalia Anggriani
Indonesian Petroleum Association
... long. Given the short cable length, ray-based modeling of the diving waves through the starting model indicated an expected maximum depth of penetration...
2021
The Use of Rw and Sh Log-Derived Values in Oil and Gas Exploration Programs
Bob Jones
Wyoming Geological Association
... or Sonic logs), identification of disturbing lithologic conditions (Gamma Ray logs), and by improved true resistivity determination from knowledge gained...
1968
High-End Model Building Techniques for Revealing a Pre-Carbonate Reservoir Offshore East Natuna Basin, Indonesia
Jun Wang, Yonghe Guo, Yitao Chen, Muhammad Nauvall Juliansyah, Nick Crabtree
Indonesian Petroleum Association
... The seismic data used in this study was acquired in 2010 with four streamers of 6 km length. Ray-based modelling of the diving waves indicated an expected...
2023
Oil Fields of Carpathian Region
Ray P. Walters
AAPG Bulletin
...Oil Fields of Carpathian Region Ray P. Walters 1946 319 336 30 3. (March) All the important producing oil fields in Europe west of Russia...
1946
Extended Abstract: Improved Mechanical and Natural Fracture Model of the Lower Austin Chalk Using Outcrop, Core, and Well Logs, Central Texas
Chris Zahm
GCAGS Transactions
... of shale thickness on vertical connectivity of fractures: application of crack-bridging theory to the Austin Chalk, Texas: Tectonophysics, v. 337, p. 117...
2020
A New Approach to Portable Vibracoring Underwater and on Land: METHOD PAPER
Douglas E. Lanesky, Brian W. Logan, Raymond G. Brown, Albert C. Hine
Journal of Sedimentary Research (SEPM)
... et al, (1974) and Littlejohn et al, (1974) for discussion of the theory and effects of vibrating corers. In the United States the grinder-vibrator...
1979
Porosity: Part 5. Laboratoy Methods
M. Peter Cone, David G. Kersey
AAPG Special Volumes
..., and amount of intergranular matrix and cement (Pettijohn, 1975). In theory, porosity is independent of grain size. Changes in grain size, however, affect...
1992
Early Diagnetic Cone-in-Cone Structures in Pyrite Concretions
Harald Carstens
Journal of Sedimentary Research (SEPM)
.... A., AND RAISWELL, R., 1983, Burial of organic carbon and pyrite sulfur in sediments over Phanerozoic time: a new theory: Geochim. Cosmochim. Acta, v...
1985
Origin of Petroleum-Bearing Fresh-Water Concretions of Miocene Age: GEOLOGICAL NOTES
Egon T. Degens , W. Dwight Pierce , George V. Chilingar
AAPG Bulletin
... was released on putting the specimen in xylol. EXPERIMENTAL RESULTS As shown by X-ray analysis, the calcite is the only carbonate phase present...
1962
Geostatistical models for shales in distributary channel point bars (Ferron Sandstone, Utah): From ground-penetrating radar data to three-dimensional flow modeling
Hongmei Li, Christopher D. White
AAPG Bulletin
... at Corbula Gulch in central Utah, United States. The instantaneous radar amplitude and gamma-ray counts are linearly correlated at well locations...
2003
Oil retention and porosity evolution in organic-rich shales
Yuanjia Han, Brian Horsfield, Richard Wirth, Nicolaj Mahlstedt, and Sylvain Bernard
AAPG Bulletin
.... Kelemen, and T. C. Halsey, 2006, Petroleum expulsion part 1. Theory of kerogen swelling in multicomponent solvents: Energy & Fuels, v. 20, no. 1, p...
2017
Abstract: Recent Advances in Mapping Deep Permafrost and Gas Hydrate Occurrences using Industry Seismic Data, Richards Island Area, Northwest Territories, Canada; #90171 (2013)
Gilles Bellefleur
Search and Discovery.com
... travel-time data is a non-linear problem since both the velocity of the medium and the ray paths in the medium are unknown. The final solution is typically...
2013
Abstract: Recent Advances in Mapping Deep Permafrost and Gas Hydrate Occurrences using Industry Seismic Data, Richards Island Area, Northwest Territories, Canada; #90171 (2013)
Gilles Bellefleur
Search and Discovery.com
... travel-time data is a non-linear problem since both the velocity of the medium and the ray paths in the medium are unknown. The final solution is typically...
2013
Abstract: Dielectric Permittivity of Clay Adsorbed Water: Effect of Salinity; #90172 (2014)
Sanaa Aqil, Douglas R. Schmitt
Search and Discovery.com
... understanding of the relationships between dielectric permittivity, free (brine inclusions) and adsorbed (to the clay minerals) water content. Theory A given...
2014