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The AAPG/Datapages Combined Publications Database
Showing 1,341 Results. Searched 200,693 documents.
A New Geochemical Logging Tool and Interpretation Methodology Improves Reservoir Characterization in South America
Diana Espino, Anthony Fondyga, Marta Becerra, Xavier Goddyn
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... of a siliciclastic sequence, illustrates some of the difficulties of gamma ray interpretation for clay volume. The gamma ray log, neutron-density...
2006
AAPG Archie Series, No. 1, Chapter 11: High-resolution Techniques
Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia
AAPG Special Volumes
...] gas reservoir interval. The gamma ray (GR) indicates a sand about a meter thick at XX54. The density and neutron porosity curves show apparent gas...
2006
Wireline Geochemical Log Analysis of Thin Bed Reservoirs: Gulf of Mexico
R. V. Everett, J. E. Mc Donald, M. M. Herron
New Orleans Geological Society
...-focused resistivity curves may track each other (no general rule) and remain steady throughout the interval. The density porosity and the neutron...
1988
Low Resistivity Reservoir Pay Evaluation, New Opportunity for Further Development, Case Study On Gumai Formation Of "B" Field, Jambi Sub Basin, South Sumatera Basin
Debby Rahayu, Lia Reulina Ketaren
Indonesian Petroleum Association
..., it is recommended to use the Stieber method for the distribution of shale volume in the reservoir and its properties, the neutron density porosity method...
2021
Jatibarang Field, Geologic Study of Volcanic Reservoir for Horizontal Well Proposal
Thomas Kalan, H. P. Sitorus, M. Eman
Indonesian Petroleum Association
... and Sidewall Neutron Porosity logs were manually combined to produce a log on the same scale and comparable to more modern Formation Density-Neutron logs. All...
1994
How Organic Carbon Content and Thermal Maturity Affect Acoustic Properties (and Ultimately Seismic Response) in a Shale Gas/Oil Formation: Woodford Shale, Permian Basin
Nicholas B. Harris, Al Moghadam, Tian Dong
Unconventional Resources Technology Conference (URTEC)
... log-derived TOC values to VS, VP, density, neutron porosity and impedance curves, enabling us to test for statistically valid relationships; (4...
2019
Recognizing Large SP Anomalies in the Cretaceous Carbonates Along the Balcones System, and How to Interpret Them
John V. Crues, Jr.
South Texas Geological Society Special Publications
..., since shaliness drastically decreases streaming potential. See gamma ray log. There must be some porosity. (See sonic, density, or neutron log...
1986
A Regional Assessment of the Duvernay Formation; a World- Class Liquids-Rich Shale Play; #10638 (2014)
Matthew Davis, Glenn Karlen
Search and Discovery.com
... with resistivity cycle numbers; density, neutron, and effective porosity; Poisson Ratio(red) and Youngs Modulus(green): TOC(brown-increasing right) log...
2014
The Uniqueness of Heterogeneous Globigerina Limestone Reservoir and The Importance of Integrated Rock Type Definition for Field Development Plan: Case Study in Madura Strait, East Java
Erick Prim Putra, Vickry Rowi, Kian Han
Indonesian Petroleum Association
... clay derived from XRD analysis. The calculation of porosity (Phi) uses a neutron and density log with parameters such as matrix density (𝛒ma...
2021
Scanning Electron Microscope Application to Formation Evaluation (1)
E. M. Kieke , D. J. Hartmann
GCAGS Transactions
... movement into and out of the vugs, the permeability is less than under original conditions. A density log would indicate high total porosity while...
1973
Well Log Application in Source Rock Evaluation: Using Committee Machine with Intelligent Systems (Paper P13)
M. Verdiyar, F. Kamyabi, A. Nazarpour, M. K. Ghassem Alaskari
Geological Society of Malaysia (GSM)
... the overlay of porosity logs (sonic, density, and neutron) and resistivity log for identifying and calculating total organic carbon (TOC). Huang...
2012
Well Log and Seismic Character of Tertiary Terumbu Carbonate, South China Sea, Indonesia
J. Andrew May , Daryl R. Eyles
AAPG Bulletin
... and dolomite volume are calculated by comparing the neutron-density crossplot porosity (shale, gas, and borehole corrected) to the bulk density log (borehole...
1985
Extended Abstract: The Past and Present Role of the Geoscientist
William R. Finley
GCAGS Transactions
... the spontaneous potential, gamma ray, resistivity, sonic, density-neutron, and dipmeter logs, and sidewall cores. In some cases a velocity survey...
2014
Abstract: Digital Log Data to Mechanical Rock Properties for Stimulation Design; #90224 (2015)
E. R. (Ross) Crain and Dorian Holgate
Search and Discovery.com
... neutron porosity and high density porosity log readings. Coals usually have fairly low gamma ray log readings, but this is not always the case. Coal...
2015
ABSTRACT: The occurrence, distribution and influence of authigenic clays in reservoir rocks of Agbada Formation, Niger Delta
Olugbenga A. Ehinola, Olusola R.Yussuf
The Society for Organic Petrology (TSOP)
... includes digital wireline logs (gamma ray, resistivity, density and neutron), core and ditch cutting samples from 3 wells namely: A, B and C. The composite...
2010
Assessment of Porosity from Outcrops of Vuggy Carbonate and Application to Cores
L.B. McNamara, N.C. Wardlaw, M. McKellar
CSPG Bulletin
... units lower than the porosity from a neutron-density log (Table 2). The pore system in these regions contains abundant megapores. The lower porosity...
1991
Field Summary: Lookout Field
E.M. Hundley-Goff
Rocky Mountain Association of Geologists
... Laterolog and a Compensated Density-Neutron log run from surface casing to total depth. In the older wells, sidewall neutron porosity logs were run instead...
1982
ABSTRACT The Wabamun Area CO2 Sequestration Project: Challenges for Regional-scale Characterization of Deep Saline Aquifers, #90103 (2010)
Jerry Jensen, Chris Eisinger
Search and Discovery.com
.... The density-neutron logs gave better approximations, but were greatly limited in availability. • Seismic data coverage provided a guide for populating...
2010
Numerical Methods for Mineral Estimation from Well Logs
John H. Doveton
Special Publications of SEPM
... system. The three measurements are neutron porosity, density, and volumetric photoelectric absorption. Note that neutron porosity can be entered...
1994
The Greenhorn Cyclothem of the Cretaceous Western Interior Seaway: Lithology Trends, Stacking Patterns, Log Signatures, and Application to the Eagle Ford of West Texas
Bruce S. Hart
GCAGS Transactions
... by a cleaning-upward succession (regression). Shaded orange area shows approximate location of the MFS. Neutron and density log separation is an indication...
2015
Abstract: Logfacies Distribution of the Wilcox Coal-Bearing Interval in North-Central Louisiana: A Quick-Look Technique for Coalbed Methane Resource Evaluation
Joshua Kull, Gary L. Kinsland
GCAGS Transactions
... containing porosity logs (density, neutron, or sonic), which allow high-resistivity beds to be identified as coal or limestone in the study area. The technique...
2006
Natural Buttes: T. 8-10 S., R. 19-23 E., SLB&M: Uintah County, Utah
Wendell A. Cole
Utah Geological Association
... interval or in stages. Logging Practice: Induction or Laterolog, Density-Neutron, Gamma-Ray and Caliper. Number of Producing Wells: 436 Number...
1993
Real Time Formation Evaluation
Jane Whaley
GEO ExPro Magazine
... what we ultimately want. So we determine things such as the natural radioactivity, giving us the gamma log, and we measure electron density, which...
2007