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The AAPG/Datapages Combined Publications Database
Showing 1,341 Results. Searched 200,673 documents.
PETROPHYSICS OF THE MORROW FORMATION, SOUTHEASTERN NEW MEXICO
GEORGE A. HILLIS
Fort Worth Geological Society
... more time. 4. Poor log quality due to tool sticking over zones of interest should be avoided. In the case of a porosity tool like the Density-Neutron...
1985
2012
Integrating a Deterministic Lithology Model for Subsurface Correlation, Eocene Green River Formation, Uinta Basin, Utah
Search and Discovery.com
N/A
Predicting Cleats in Coal Seams from Mineral and Maceral Composition with Wireline Logs
David J. Johnston, Patrick J. Scholes
Rocky Mountain Association of Geologists
..., and neutron wireline logs. Log Response Resistivity High (depends on thickness, usually >10 ohm-m) Low «1.75 g/cc) High porosity (>60 PU) High LH...
1991
Well-Log Determination of Ash Content in Fruitland Formation Coals, Southern Ute Indian Reservation, Southwest Colorado
Stephen E. Prensky
Rocky Mountain Association of Geologists
..., laterolog 8 gamma, deep induction, focused log gamma, caliper, bulk density, correction, neutron porosity gamma, caliper, delta T (transit-time) total...
1988
Laminated Reservoir Evaluation in a Case of High Apparent Dip
Gary Frisch, B. Dean Gulick, Michael Manning
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... enhanced density/neutron logs available only from that well. Discussion In conventional log analyses of the thin beds, porosity and water saturation results...
1994
Abstract: Gas Identification in Thin Beds Using LWD Measurements West Africa Offshore Example; #90310 (2017)
Stanley Oifoghe, Ono Daniel, Ikechukwu Nwabueze, Victor Okowi, Charlie Thompson
Search and Discovery.com
... improved the confidence in interpretation of the reservoir fluids. In the example well, though the size of the density-neutron crossover showed...
2017
Using Advanced Logging Measurements to Develop a Robust Petrophysical Model for the Bakken Petroleum System, #80534 (2016).
Gary A. Simpson, John Hohman, Iain Pirie, Jack Horkowitz
Search and Discovery.com
... Ray Density/Neutron/Pe Laminated/Thin Bed Saturation Analysis Triaxial Resistivity High Frequency Dielectric Porosity Density/Neutron NMR Total...
2016
Eagle Ford Shale Petrophysical Characterization Using Deterministic Models Calibrated With Core Analysis From USGS Gulf Coast #1 West Woodway Research Borehole, McLennan County, Texas
Search and Discovery.com
N/A
Use of Machine Learning to Estimate Sonic Data for Seismic Well Ties; #42471 (2019)
Thanapong Ketmalee
Search and Discovery.com
.... Density. Neutron porosity. • Formation pressure. • Geological information, • Compartment. • Reservoir unit. • Lithology. DT Comparison in Validating...
2019
Integrating Standard Petrophysical Analysis with Statistical Measures of Petrophysical Heterogeneity to Estimate Petrofacies in Mississippian Limestone, North-Central Oklahoma; #41767 (2016)
Fnu Suriamin, Matthew J. Pranter
Search and Discovery.com
... Neutron-Density porosity Tripolite Reeds Spring Limestone B C Heterogeneity Log Cowley Facies St. Joe Group Kinderhookian Tournasian Thin SecƟons...
2016
Petrophysics of the Lance and Upper Mesaverde Reservoirs at Pinedale Field, Sublette County, Wyoming, USA
Suzanne G. Cluff, Robert M. Cluff, Daniel G. Hallau, Ryan J. Sharma
AAPG Special Volumes
... read very different values, in particular the neutron log is strongly affected by clays and reads higher apparent porosity than the density log. Given...
2014
ABSTRACT: Effect of Authigenic Grain-Coating Chlorite on the Resistivity and Reservoir Quality of the Lower Carboniferous RKF Sandstones (Rhourde El Krouf Field, Berkine Basin, Algeria); #90017 (2003)
Carlos Rossi, Otto Kälin, José Arribas, Ángel La Iglesia, Teresa Bartrina
Search and Discovery.com
... porosities and low resistivity, suggesting brine saturation. However, density/neutron logs and pressure data suggest hydrocarbon presence. To settle...
2003
Abstract: Petrophysical Applications of LWD Measurements in Duvernay Shale, Western Canada; #90187(2014)
Abdul Fareed, Raymond Nanan, Dinara Khalmanova, and David Llewellyn
Search and Discovery.com
..., if suitable measurements are acquired along the horizontal section. Theory and/or Method GR-resistivity, Density/Neutron Porosity and Density image logs...
2014
Abstract: Better reservoir characterisation in uncored intervals using mineralogical and sedimentological data from core and cuttings samples: application to petrophysical models in conventional and unconventional hydrocarbon reservoir case studies; #90254 (2016)
Scott Brindle, Richard Windmill, Peter Wellsbury, Iris Verhagen, Romain Reboul, David O'Connor
Search and Discovery.com
... the initial petrophysical models. Electrofacies were created by assigning typical log responses (gamma ray, density, neutron and sonic logs...
2016
Cross-section framework for visualizing carbon capture utilization and storage potential in the Ohio-West Virginia-Pennsylvania portion of the Appalachian basin
Search and Discovery.com
N/A
Optimizing Electrical Borehole Images to Predict Porosity in New Discovery Limestone Minahaki Formation Pia-001 Exploration Well Matindok Block Central Sulawesi
Bagus Guspudin, Tika Roswina Pratiwi, Agung Budianto, Angga Direzza, Leonora Ludwina Lilasari
Indonesian Petroleum Association
... to predict porosity utilizes conventional logs such as density, neutron and sonic log. However, this method is not suitable to be used in heterogeneous...
2021
Basic Analysis
Richard H. Merkel
AAPG Special Volumes
... Rwe End_Page 32------------------------- The resistivity logs must be augmented by one of the three porosity logs: density, neutron or sonic...
1979
The Photoelectric Index
John H. Doveton
Special Publications of SEPM
... and is overlain by Mississippian limestones and shales. The ironstone zone shows dramatic log responses of 56% neutron porosity, -12% density porosity (2.92...
1994
Using Legacy Data from Cores, Open Hole Logs, and Production Logs to Optimize the Placement of Horizontal Well Targets in the Cotton Valley Formation of North Louisiana and East Texas
Marvin E. Markley, Ian M. Byram
GCAGS Transactions
... of the pore space. The magnetic resonance log that was also run, in conjunction with the density-neutron porosity logs, can be used to compute and analyze...
2018
Marginal Marine Mudstones in the Pattani Basin, Gulf of Thailand: Implications for Stratigraphic Development, Reservoir Characterization and Correlation Potential, #51366 (2017).
Joseph J. Lambiase, Jittikan Narapan, Patcharaporn Champasa
Search and Discovery.com
... foraminifera, and gradational contacts with various adjacent tide-dominant sandy facies. Their log signature includes low resistivity and moderately high density...
2017
Geophysical Log Responses to Variatons in Lithology in Borings Clino and Unda, Great Bahama Bank
E. Robert Warzeski, Leslie A. Melim, Robert N. Ginsburg
Special Publications of SEPM
... porosity and permeability Geophysical logs include gamma ray caliper density neutron sonic velocity and neutron of the data from the two borings porosity...
2001
Limestone Diagenetic: Reservoir Quality of CD Carbonate Formation East Java Basin
Mellinda Arisandy, Budi Abrar, Wahyudin Bahri
Indonesian Petroleum Association
... in the limestone reservoir of Ngimbang Formation based on well log data, DST, and core data. Reservoir porosity, was calculated from density-neutron and sonic...
2015
Solving the Reservoir Ambiguity Using the Combination of PVT, Well Test, Petrophysical and Geophysical Data; #42603 (2025)
Edwin R. Gonzalez, Heri Tanjung, Han N. Tran, Omar Al-Shaiji, Abdullah A. Al-Fawwaz
Search and Discovery.com
..., there is no clear separation between density and neutron log although well testing result shows the change in formation fluid. In addition, the prominent gas...
2025
Petrophysical Analysis, Permeability Prediction and Rock Type Determination of Carbonate Reservoir: Case Study of Semoga Field, South Sumatra, Indonesia
Erick Prim Putra, M. Rifki Akbar. Marja Dinata
Indonesian Petroleum Association
... a combination of Gamma Ray log with linier function and Density-Neutron log. The linier function of Gamma Ray (VGR) equation was used: Density-Neutron...
2014