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The AAPG/Datapages Combined Publications Database
Showing 1,341 Results. Searched 200,693 documents.
Abstract: High Gamma Radiation in Heavy Oil Steam Zones: A Condensation-Induced Effect, by Terence P. O’Sullivan; #90075 (2008)
Search and Discovery.com
2008
Carbonate Microporosity: Recognizing its Existence and Understanding its Role in Hydrocarbon Production
S.R. Bereskin, G.D. Lord, B.A. Marin
Rocky Mountain Association of Geologists
... measurements. In fact, visual porosity quantification in this view may exceed density neutron porosity. Figure 2C. Confocal image of same area, cuts...
1996
ABSTRACT: Evaluation of Carbonate Reservoir — Secondary Porosity — By Nuclear Magnetic Resonance Logs, by Donahue, Joel; Smith, Charles H.; Menendez, Eli; #90135 (2011)
Search and Discovery.com
2011
Compositional Analysis of Lithologies from Wireline Logs: Chapter 3
John H. Doveton
AAPG Special Volumes
...] Density: [EQUATION] In these first three equations, n, t, and b are the neutron porosity, sonic transit time, and bulk density log readings...
1994
Machine learning and explainable AI for predicting missing well log data with uncertainty analysis: A case study in the Norwegian North Sea
Sushil Acharya, Karl Fabian
International Meeting for Applied Geoscience and Energy (IMAGE)
... missing log values from other commonly available logs, such as resistivity, density, gamma ray, neutron porosity, photoelectric factor, etc. Linear...
2024
Sand-Shale Identification by Computer
William Frank
GCAGS Transactions
... log responses of eight different wireline logs and assembled into a computer data base. Typically values of density, neutron, sonic delta transit time...
1986
Geologic Controls on Formation Water Salinity Distribution, Southeastern Greater Natural Buttes Field, Uinta Basin, Utah, #20272 (2014).
Tuba Evsan, Matthew J. Pranter, Marc Connolly
Search and Discovery.com
... Analysis VSL and VCL Water Saturation Modeling Temperature Data Salinity Log Normalization GR Density Neutron-porosity before before before...
2014
Sedimentological and Diagenetic Controls on Reservoir Quality in the Bow Island Formation of Southern Alberta
Scott McLellan, Ian Hutcheon
CSPG Special Publications
... of porosity by later diagenetic processes. The interpretation of thesepetrographic observations provides essential insights into potential log...
1995
From Petrophysics to Rock Mechanical Properties: A Support to Shale-Gas Hydraulic Fracturing Program in Cooper Basin, Australia
Naslin
Indonesian Petroleum Association
... probabilistic error minimization methods to derive gas-shale volumetrics from various types of log data, including: conventional density, neutron porosity...
2013
Kachina: T. 38 S., R. 23-24 E., SLB&M: San Juan County, Utah
Cindy L. Crawley Stewart, Karn F. Riley
Utah Geological Association
..., breakdown and matrix acidize. Treatment size varies Logging Practice: GR-Dual Laterolog- MSFL-Cal, GR-Density-Neutron-Cal, GR-Sonic-Cal Number of Producing...
1993
Caddy Creek Field
Editors: Edward D. Dolly and James C. Mullarkey
Rocky Mountain Association of Geologists
...),the slight negative deflection of the SP curve, and the net effect of the density and neutron porosity curves all delineate the sand; yet...
1996
Borie
Herb Waterman
Wyoming Geological Association
... acres Logging Practice ES, I-ES, Microlog, DIL, Sonic, Density/Neutron Completion Practice Open hole; perf. & natural; perf. & sand frac...
1984
Borie
Herb Waterman
Wyoming Geological Association
..., Sonic, Density/Neutron Completion Practice: Open hole; perf. & natural; perf. & sand frac. Productive Area: 1770 acres Number of Producing Wells: 9...
1984
Abstract: Trials, Tribulations, and Potential of Using 3-D Geologic Visualization for Subsurface Reservoir Characterization, by H. E. Leetaru; #90926 (1999)
Search and Discovery.com
1999
ABSTRACT: A New Saturation Equation for Thinly Laminated Formations, by Asakura, Shigeaki, Yuzuru Ashida, Hiroshi Eida, Alain Brie, Masahiro Kida, Akinori Imayoshi, and Tomoaki; #90913(2000).
Search and Discovery.com
2000
Abstract: Mudstone Geophysical Properties for Pressure Prediction, by Daniel Ebrom; #90085 (2008)
Search and Discovery.com
2008
Abstract: Cased Hole Solutions: Predicting Open Hole Logs Using Artifical Neural Networks, by J. F. Gegg; #90092 (2009)
Search and Discovery.com
2009
Source Rock Evaluation from Well Logs Four Decades of Technical Tipping Points; #60056 (2019)
Quinn R. Passey
Search and Discovery.com
... technology began to be incorporated in downhole well-logging tools, and the natural gamma-ray, gamma-gamma density tool, neutron porosity...
2019
Well-Log Conditioning and Rock Physics Modeling: A First Step in Seismic Reservoir Characterization
Mayesta O. Gunarto, Bambang Irawan
Indonesian Petroleum Association
... Physics The next stage is to perform petrophysical calculation from conditioned log (gamma-ray, resistivity, neutron, density, sonic) to determine...
2010
Quantification of Total Organic Carbon Content in Shale Source Rocks: An Eagle Ford Case Study
Adel A. Alqahtani, Azra N. Tutuncu
Unconventional Resources Technology Conference (URTEC)
... formation carbon (TC) using environmentally corrected carbon:oxygen neutron log and density porosity log. The carbon:oxygen ratio is multiplied...
2014
Evaluating Completion and Stimulation Effectiveness of Multi-Zone Wells with Production Logs
Mike Mullen, Mike Sagan, Gary Frisch
West Texas Geological Society
... Open-hole Logs From the density-neutron crossover, the open-hole log indicates gas in the formation, with different water saturations in each zone: Sw...
1994
Diagenesis Severely Modified Reservoir Characteristics: A Unique Carbonate Reservoir from Alur Siwah Field, Indonesia; #20203 (2013)
Ricardo Maranu, Ismail Syarifuddin, Erham Adhitiawan, Nadia Nurul, Miftahurochman Miftahurochman, Ferry Baskaraputra, Luqman Luqman, Yudi Yanto, and Joan Lumban Tobing
Search and Discovery.com
..., and correlation between lithology from conventional core and log responses. Vsh is calculated from GR, density-neutron and/or sonic, depending...
2013
3D Geological Model of Bare Field reservoirs, Orinoco Heavy Oil Belt, Venezuela, by Arturo Calvo, #40148 (2005).
Search and Discovery.com
2005
Chapter 29: Beecher Island Field, Yuma County, Colorado
John P. Lockridge
Rocky Mountain Association of Geologists
... No. 1-29 State, SW NE Section 29-T2S-R43W, is .04 millidarcy. A Dual Induction Laterolog and Compensated Neutron-Formation Density Log from the Kansas...
2011
Integrated Quantification of Immobile and Producible Fluids from Nuclear Magnetic Resonance (NMR) T1-T2 Log and Multi-Physics Core Measurements
Tianmin Jiang, Hesham El-Sobky, Bairta V. Biurchieva, Scott J. Jacobsen, Austin Bertoch
Unconventional Resources Technology Conference (URTEC)
... was acquired over the target intervals in both wells. This included measurements from TCOM (gamma ray, bulk density, neutron porosity and induction...
2025