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The AAPG/Datapages Combined Publications Database
Showing 20,641 Results. Searched 200,630 documents.
Star: Shallow Time Anomaly Replacement
Michael O. Marcoux, Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
... predictions based on ray considerations only. This aspect is investigated using wave equation modelling. The effect on the reflection time curve...
1982
Magnesium in 19 Species of Eastern Canadian Holocene Foraminifera
Kenneth Hooper
Atlantic Geology
... are absent. Chave (1954) used the X-ray diffraction method in a study of magnesium in the calcitic shells of marine organisms. Because the method detects...
1978
The Spontaneous Potential (SP) Log
John H. Doveton
Special Publications of SEPM
..., together with a minor electrokinetic potential. The equation that expresses the magnitude and sign of the electrochemical potential, E, for a single...
1994
What Can Multiscale 3D Imaging Do for Energy Geoscience?
Kevin G. Taylor, Lin Ma
GEO ExPro Magazine
... seen enormous growth and development in the application of new X-ray and electron microscopy techniques to image, in three and four dimensions...
2021
Study of the Composition of Asphaltenes of Disseminated Bituminous Matter
K. F. Rodionova, Ye. P. Shishenina, Y. M. Korolev
Petroleum Geology: A Digest of Russian Literature
... (16) maintain that asphaltenes and carbenes from natural bitumens have a crystal structure. During x-ray study of some asphaltenes and carbenes...
1963
Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia
Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran
Indonesian Petroleum Association
... traveltimes which are used to generate an initial interval velocity via the Dix equation. CRP ray tracing of the velocity model produces synthetic...
2000
Magnesium Incorporation in Recent Marine Calcite Cement from Denmark
Niels Oluf Jorgensen
Journal of Sedimentary Research (SEPM)
... and distribution in individual crystals has been made by use of energy dispersive X-ray analyses and was found to vary from 1.5 to 11.7 wt%. The maximum content...
1979
Abstracts: Determining Microseismic Event Locations by Semblance-weighted Stacking; #90173 (2015)
David W. Eaton, Jubran Akram, Andy St-Onge, and Farshid Forouhideh
Search and Discovery.com
... using an efficient ray-bending algorithm that is robust in the presence of large velocity gradients and strong velocity contrasts at layer boundaries...
2015
Abstracts: The Montney Formation: Mineralogy, What Shall It Be?; #90173 (2015)
F. F. Krause, A. C. Wiseman, K. R. Williscroft, N. Solano, N. J. Morris, R. Meyer, and R. Marr
Search and Discovery.com
... and gas reservoir in the Western Canadian Sedimentary Basin, we examine the responses of total gamma ray (TγR), photoelectric (Pe) and spectral gamma...
2015
Abstract: Constraining Anisotropy Lessons from 2D Modeling; #90211 (2015)
Rob Holt
Search and Discovery.com
... other and all available well control. A third method is to model the anisotropy by accurate ray tracing through a simplified geological model...
2015
Sequence Stratigraphy of the Upper Cretaceous Niobrara Formation, A Bench, Wattenberg Field, Denver Julesburg Basin, Colorado, #20176 (2012)
Lisa E. Remington LaChance, Mark C. Robinson
Search and Discovery.com
... information gleaned from gamma-ray, spontaneous potential and deep resistivity logs, scout tickets, production and completion data to construct correlations...
2012
Occurrence of Fossil Woods in Texas, Primarily the Cretaceous and Tertiary
Scott W. Singleton
GCAGS Transactions
... Araucariaceae by having an overall lack of growth rings, low ray cell heights (max 15 to 18 cells), alternate bordered pits on radial tracheid walls...
2017
Devonian Lithology Identification Utilizing Porosity Logs
G. F. Chambliss
Four Corners Geological Society
... and the fop of the McCracken formations. The three curves, from left to right, are the Gamma Ray, the Neutron, and the Sonic. Figure 1. Devonian...
1960
ABSTRACT: Mineralogical and geochemical anomalies of Palaeogene low rank coal (No. 5) from the Baise Coalfield, Guangxi Province, China
Xiaoyun Yan
The Society for Organic Petrology (TSOP)
... optical microscopy, inductively coupled plasma mass spectrometry, X-ray diffraction, X-ray fluorescence spectrometry and scanning electron microscopy...
2018
Experimental Coalification Of Indonesian Peat and Buried Wood
J.C. Shearer, T.A. Moore, W.H. Orem, H.E. Lerch, S.G. Neuzil, C.B. Cecil
The Society for Organic Petrology (TSOP)
... (for plant part and counting methodologies see Moore and I-blbert, 1992). Three attributes of the wood and coalified wood were measured, ray...
1994
Advanced VSP modeling for efficient data acquisition in deepwater subsalt well
Manish Lal Khaitan, Rafael Guerra, Francesco Miranda, Emmanuel Spadavecchia
International Meeting for Applied Geoscience and Energy (IMAGE)
... a combination of advanced 3D tilted transverse isotropy (TTI) modeling techniques, including ray tracing, acoustic finite differences, and RTM migration...
2022
Stratal Slicing The Permian “Wolfberry” Trend of the Midland Basin, Texas With Geophysical Well-log Data
Mark C. Robinson
West Texas Geological Society
... as stratigraphic controls for this study. The stratal slices were then generated by averaging the digital well-log values of digitized gamma-ray...
2012
Abstract: High Resolution Sequence Stratigraphy of The Leonardian Bone Spring Formation, Northern Delaware Basin, Eddy and Lea Counties, New Mexico: Designation of Anoxic Zone Overprint upon Highstand Pelagic Carbonate Productivity Punctuated by Lowstand Terrigenous Derived Organics
John D. Pigott, Charles B. Crosby, Kulwadee L. Pigott
West Texas Geological Society
..., Charles B. Crosby, Kulwadee L. Pigott 2016 41 42 High resolution sequence stratigraphy determined from 451 well gamma ray logs coupled to X-ray...
2016
Memorial: Thomas O. Hall (1906-1972)
Ray F. Keller
AAPG Non-Technical and Memorials
...Memorial: Thomas O. Hall (1906-1972) Ray F. Keller T H O M A S O. H A L L (1906-1972) Thomas O. Hall, after a lingering illness, died from cancer...
1973
Direct modeling of reservoir properties from seismic partial-angle stacks
John V. Pendrel, Henk J. Schouten
International Meeting for Applied Geoscience and Energy (IMAGE)
... facies PDFs. Probability volumes for each of the ten facies were also computed for use in the next stage. Figure 3: PDF design for gamma ray estimation...
2023
Seismic imaging in Tarim Basin: Overcoming complex near-surface conditions
Xianhuai Zhu, Ruirui Zhao, Sam Gray, Wensheng Duan, Duoming Zheng, Ganglin Lei, Gengxin Peng, Rujie Zhang, Kun Xu, Grace Yan, Junru Jiao
International Meeting for Applied Geoscience and Energy (IMAGE)
... accurate and reliable near-surface velocity models can be estimated on land using turning-ray tomography and finite-frequency wavepath inversion at great...
2024
Structure of Albertite from New Brunswick, Canada
Ganjavar Khavari-Khorasani
CSPG Bulletin
...Structure of Albertite from New Brunswick, Canada Ganjavar Khavari-Khorasani 1983 123 126 Vol. 31 (1983) No. 2. (June) Optical and X-ray diffraction...
1983
ABSTRACT: Mineralogy and geochemistry of Late Permian tuff in the Zhongliangshan Mine, Chongqing, Southwestern China
Jianhua Zou, Dong Liu, Heming Tian, Tian Li, Feng Liu
The Society for Organic Petrology (TSOP)
... of tuff in the Zhongliangshan mine, Chongqing, Southwestern China were studied using X-ray fluorescence spectrometry (XRF), inductively coupled plasma...
2012
ABSTRACT: Does molybdenum enrichment imply depositional euxinia? New insights from the Montney formation using molybdenum x-ray absorption fine structure
Stephan Hlohowskyj, Anthony Chappaz, Omid Haeri Ardakani, Hamed Sanei, James Wood
The Society for Organic Petrology (TSOP)
...ABSTRACT: Does molybdenum enrichment imply depositional euxinia? New insights from the Montney formation using molybdenum x-ray absorption fine...
2017
Clinoform Slope Geometry of a Wall Creek Sandstone, Salt Creek Oil Field, Wyoming
William H. Curry III
Wyoming Geological Association
... with gamma-ray and density curves because of Amoco's water flood project. Figure 1. Index map showing selected oil fields around the southern Powder River...
1986