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The AAPG/Datapages Combined Publications Database
Showing 1,342 Results. Searched 200,619 documents.
A Heuristic Method for Reserve Analysis in the Greater Natural Buttes Producing Area, Uinta Basin, Utah
Logan MacMillan
Utah Geological Association
... the density and neutron porosity curves on the respective service companies’ log charts gives effective porosity (PHI) of the zone. Average cross-plot...
1992
Groundwater salinity and the effects of produced water disposal in the Lost Hills–Belridge oil fields, Kern County, California
Janice M. Gillespie, Tracy A. Davis, Michael J. Stephens, Lyndsay B. Ball, and Matthew K. Landon
Environmental Geosciences (DEG)
... indicating that the sands analyzed did not contain oil or gas. The porosity value is obtained from porosity logs, such as density, neutron, sonic...
2019
Methane-hydrate Occurrence and Distribution in the Eastern Nankai Trough, Japan: Findings of the Tokai-oki to Kumano-nada Methane-hydrate Drilling Program
Y. Tsuji, T. Fujii, M. Hayashi, R. Kitamura, M. Nakamizu, K. Ohbi, T. Saeki, K. Yamamoto, T. Namikawa, T. Inamori, N. Oikawa, S. Shimizu, M. Kawasaki, S. Nagakubo, J. Matsushima, K. Ochiai, T. Okui
AAPG Special Volumes
... al., 2009).FIGURE 5. Comparison of density-neutron log response (wireline, left; logging while drilling (LWD), right, both are with resistivity curves...
2009
The Origin of Jonah Field, Northern Green River Basin, Wyoming
Robert M. Cluff, Suzanne G. Cluff
AAPG Special Volumes
..., such as a gamma-ray (GR) log, spontaneous-potential (SP) log, and neutron-density porosity separation. Several types of geophysical logs are linearly...
2004
Core Handling, Sedimentology, and Petrophysical Log Response of a Horizontal Core, Barque Field, United Kingdom Sector, Southern North Sea
R. Maskall , I. Reid , M. Urquhart
AAPG Bulletin
... log (deep); Kh = horizontal permeability; POR = porosity; CNL = neutron log; LDEN = density log; and GR = gamma ray. End_Page 436...
1994
Prediction of lithofacies and reservoir quality using well logs, Late Cretaceous Williams Fork Formation, Mamm Creek field, Piceance Basin, Colorado
Aysen Ozkan, Stephen P. Cumella, Kitty L. Milliken, Stephen E. Laubach
AAPG Bulletin
... in Figure 17.Reservoir Quality PredictionTo assess the core porosity prediction success from well logs, log-derived porosity values (sonic, neutron, density...
2011
Generating Value through New Logging Technology and Analytical Methods - Case Study from Offshore West Africa; #41915 (2016)
Irewole J. Ayodele, Sarah Kabon, Chiara Cavalleri
Search and Discovery.com
... Organic Carbon from log = Total Carbon – Inorganic Carbon from minerals ma = matrix density from log (RHGE_INCP) T = porosity from Neutron-Density log...
2016
Evaluation of Geothermal Igneous Reservoirs
Uum Komarudin, Djoko Sunaryo, Ron Prayitno, Steve Hansen
Indonesian Petroleum Association
... porosity in fluid pf = 1.0 g/cc, fluid density ∅N = neutron porosity from log pb = bulk density readings from log Data collected throughout...
1992
3-D Seismic Recognition of the Jurassic Smackover Reservoir of Grayson Field Using Leading-Edge Reservoir Characterization Seismic Processing
Kevin B. Hill
GCAGS Transactions
... inversion (acoustic impedance), A.V.O. analysis, and petrophysical cubes (deep induction, density, neutron porosity, and density porosity) was needed...
2001
The Lower Montney Turbidite Complex of Northwest Alberta and Northeast British Columbia: Evolution of an Oil and Gas Play From Conventional to Unconventional
Richard Sereda, John Fur
Unconventional Resources Technology Conference (URTEC)
..., Density/ Neutron and Resistivity log of the Lower Montney D1 discovery well. Location is shown on Figure 3. URTeC 2674327 5 Basin Geometry...
2017
Abstract: Applications of Advanced Borehole Geophysics to Groundwater Resources Management; #90172 (2014)
Robert G. Maliva, Thomas M. Missimer
Search and Discovery.com
... potential, resistivity (lateral and dual-induction), sonic (acoustic), temperature, fluid resistivity, and flow meter logs. Density and neutron logs...
2014
Full Wave Acoustic Logging: Some Examples
John W. Minear
Southeast Asia Petroleum Exploration Society (SEAPEX)
... in the velocity ratio can be a useful gas indicator. Figure 7 shows Δts, Δtp and Δts/Δtp curves with density and neutron porosity curves from a well...
1984
Bibliography Productive Low Resistivity Well Logs of the Offshore Gulf of Mexico
Robert M. Sneider, John T. Kulha
New Orleans Geological Society
... between sonic velocity, porosity, permeability and shaliness in sand, shale, and shaley sand, paper G: presented at the Society of Professional Well Log...
1993
Overpressure and mudrock compaction in the Lower Kutai Basin, Indonesia: A radical reappraisal
Agus M. Ramdhan, Neil R. Goulty
AAPG Bulletin
... by crossplotting density against the difference between neutron porosity and the porosity estimated from the density logs (Katahara, 2006). To infer porosity from...
2011
Neogene Aquifers of the Middle Magdalena Valley: A New Frontier for the Use of Undrinkable Water in the Development of Unconventional Resources
J. A. Sáchica, F. Cardona, M.F. Segovia, J.M. Martinez
Unconventional Resources Technology Conference (URTEC)
... Regarding the mineralogy, the volumes of clay (VSh) were estimated mainly from the combination of open hole logs, in which density – neutron, gamma...
2022
Graphical Techniques for the Analysis and Display of Logging Information: Chapter 2
John H. Doveton
AAPG Special Volumes
... is discussed in Chapter 4, together with Fig. 11. Neutron-density-porosity log crossplot of a Middle Ordovician carbonate-shale-sandstone sequence from northern...
1994
Sedimentary Facies and Petrophysical Characteristics of Cores from the Lower Vicksburg Gas Reservoirs, McAllen Ranch Field, Hidalgo County, Texas
R. P. Langford , J. D. Grigsby , W. E. Howard , J. D. Hall , J. Maguregui
GCAGS Transactions
... conditions was used to confirm log-derived porosities. Bulk density was plotted versus core porosity to determine the proper grain density to use when...
1990
Integrated Reservoir Characterization OF Upper Leonardian Detrital Carbonates, Glasscock County, TX
Roy A. Conte, Michael C. Pope, Shane Lough
West Texas Geological Society
.... The well logs used include: gamma ray (GR), electrical resistivity, bulk density, neutron porosity, photoelectric factor (PEF) and compressional-wave...
2014
2010
ABSTRACT: Improving Lithology Characterization in a Multi-Mineral Environment, by Ariwodo, Izu; Saldungaray, Pablo; #90141 (2012)
Search and Discovery.com
2012
Insights on Characterization of a Shallow, Restricted Carbonate Setting, Saudi Arabia
Search and Discovery.com
N/A
Depositional Regimes and Reservoir Characteristics of the Brushy Canyon Sandstones, East Livingston Ridge Delaware Field Lea County, New Mexico.
Markus D. Thomerson, Lee E. Catalano
West Texas Geological Society
... because of the fresh mud system used for the induction log. The density/neutron log combination is not the most accurate measure of porosity for Brushy...
1997
Abstract: Delineating Sand Channels using 3D-3C Seismic Data: Manitou Lake Heavy Oilfield, Saskatchewan; #90171 (2013)
Roxana M. Varga and Robert R. Stewart
Search and Discovery.com
... included natural gamma (GR), spontaneous potential (SP), density, neutron and density porosity, caliper, and resistivity. Only well A11-17 had an Swave...
2013
Geologic and Reservoir Assessment for Brine Disposal in the Northern Appalachian Basin
Joel Sminchak, Neeraj Gupta, Mark Moody, John Miller
Unconventional Resources Technology Conference (URTEC)
... formations. The basic log curves used for the project are a gamma ray log for formation correlation and bulk density log for porosity and thickness...
2014
Applications of Nuclear Magnetic Resonance (NMR) Logs in Shale Gas Reservoirs for Pore Size Distribution Evaluation
Hongyan Yu, Zhenliang Wang, Reza Rezaee, Yang Su, Wei Tan, Yujie Yuan, Yihuai Zhang, Liang Xiao, Xi Liu
Unconventional Resources Technology Conference (URTEC)
... and neutron) only measure total porosity, while it cannot quantity the different pore size. Also, the laboratory NMR test is not suitable for filed scale...
2017