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The AAPG/Datapages Combined Publications Database
Showing 1,341 Results. Searched 200,685 documents.
Quick Look Techniques
Richard H. Merkel
AAPG Special Volumes
...Quick Look Techniques Richard H. Merkel 1979 56 65 CN 14: Well Log Formation Evaluation Gas Effects Gas effects give a low neutron porosity and show...
1979
Integrated Petrophysical Formation Evaluation Using Capture Spectroscopy and NMR on an Exploration Well, South Sumatra
ZhanGuo Shi, Mario Petricola, PingZai Wang
Indonesian Petroleum Association
... and the density, neutron or sonic are the traditional tools for porosity evaluation. With the advent of new lithology and porosity measurements...
2005
Lookeba Field (Part 2, Conclusion)
Richard D. Andrews
Oklahoma City Geological Society
... the degree of invasion in rocks that would otherwise be considered tight. Porosity determinations using density-neutron logs were estimated by taking...
2006
Recent Developments in Logging Techniques and Interpretation in Indonesia
Yves M. Pirard, William J. Prins, Carlos Cramez
Indonesian Petroleum Association
... reaches its limitations. The Dual-Spacing Compensated Neutron Log (CNL)* combined with the Compensated Density Log (FDC)* allows easy differentiation...
1976
2010
Lower Pennsylvanian Reservoirs of the Parkway—Empire South Field Area, Eddy County, New Mexico
A. D. James
West Texas Geological Society
..., a compensated density-neutron log of the Southland Royalty Company Parkway State No. 1, shows the typical log responses through the Pennsylvanian section...
1984
2004
Dealing the Production Crisis by Emergent Additional Techniques for Predicting Highly High Hydrocarbon Zones in Mature Field, Sanga Sanga area, Kutei Basin, Indonesia
Ridha S. Riadi, Robhy C. Permana, Yoseph R. Apranda, Gunna Satria H. Kusumah, Fachmy M. Irhamsyah
Indonesian Petroleum Association
... equation; Porosity is comparing between density, density-neutron, sonic, and sonic-neutron equations. All of those methods are validate with core plugs...
2019
Uncertainty in Petrophysical Evaluation; #120011 (2009)
Eric Pasternack
Search and Discovery.com
... the density log: PHI = (RHOma – RHOb)/(RHOma – RHOfl) • You can estimate uncertainties in the answer based on the uncertainties of the parameters...
2009
Gulf Coast Logging
Gunnar J. Teilmann, Robert E. Murphy
New Orleans Geological Society
... to the neutron and density in the field. A reverse "cross over" separation on the neutron-density porosity log is when the neutron shows higher porosity than...
1991
Abstract: Rock Physics Analysis from Well Log Data of Carbonates; #90063 (2007)
Search and Discovery.com
2007
Transgressive Events in the Lower and Middle Miocene of the Gulf of Thailand: Implications for Reservoir Characterization; #51266 (2016)
Joseph J. Lambiase
Search and Discovery.com
... log resolution Very similar to floodplain mudstones Difficult to identify and correlate Gamma Spectral Gamma Resistivity Density/Neutron Transit...
2016
Extended Abstract: New Directions in Petrophysics
Chris Shield, Julie Cass, Dave Collecott, Paul Theologou, Wol Chaffe
Petroleum Exploration Society of Australia (PESA)
..., spontaneous potential, two or three induction of resistivity curves, sonic and possibly density or neutron measurements_. It can be difficult...
2003
U.S. Gulf Coast Field Experience with Thin-Bed Well Log Analysis
Tony D. Lawrence , Ashok K. Sinha , Walter H. Fertl
GCAGS Transactions
... for realistic estimates of pay thickness, porosity, and water saturation has been one of the most challenging tasks for the well log industry. Because...
1990
Porosity Logs: Chapter IV
George B. Asquith, Charles R. Gibson
AAPG Special Volumes
... of the charts and is shown in Figures 30 and 31. Combination Neutron-Density Log The Combination Neutron-Density Log is a combination porosity log...
1982
Field Summary: Golden Spike Field
Walter L. Wicker, Roger E. Olgaard
Rocky Mountain Association of Geologists
..., compensated density neutron log. DRILLING AND COMPLETION PRACTI-CES All wells in Golden Spike field were drilled with rotary tools. 13-318" surface...
1982
Field Summary: Ladder Creek Field
Walter L. Wicker, Roger E. Olgaard
Rocky Mountain Association of Geologists
...: Acidized Initial Potential: 161 BOPD, 219 BWPD; pumping Pressure: 884 psi (Spergen) LOGGING PRACTICES Dual laterolog, compensated density - neutron log...
1982
A New Technique of Thin Bed Reservoir Evaluation Using Image Log Data
Dwiky Perdana Susanto, Gilang Ariestya, Haris Kurniawan Hidayat
Indonesian Petroleum Association
... on micro-resistivity imaging log data with certain cutoffs, taking into account the density and neutron data to differentiate sand from carbonate...
2015
Quick-Look Lithology from Logs: Part 4. Wireline Methods
N. J. Hancock
AAPG Special Volumes
... porosity. Neutron and density logs, together with a caliper measurement recorded by the Fig. 2. Characteristic log signatures for a carbonate...
1992
Solutions to Problems Faced in Well Log Analysis in Carbonate Reservoir Systems Due To Multiple Porosities and Lithologies, #41063 (2012)
Akash Sharma, Tarang Jain, Harsh Kapoor
Search and Discovery.com
...” separation i.e., the neutron curve records the greater amounts of “porosity”. To use this method and achieve best results, the neutron log should be recorded...
2012
State of the Art Logging Selection to Explore Tight, Low Contrast, Hidden Reservoirs
Anton Setyo Kristanto,Tino Diharja, Rinaldi Sudarwoto, Hengky Ng, Leonora Ludwina Lilasari, Defri W. Widiyanto, Rio Putra
Indonesian Petroleum Association
... targets, advanced logging tools were required. Although the total porosity estimated from the standard logs (density – neutron) was quite high over...
2018
An Advanced Interpretation Technique Integrates Well Log and Core Data for Thin-Bed Reservoir Evaluation
Ashok Sinha , Tony Lawrence , Bill Simmons
GCAGS Transactions
... devices such as the density, neutron, and gamma ray log. In addition to recording data at higher sample rates, it is equally important that the data...
1989
Uncertainty Analysis in Well-Log and Petrophysical Interpretations
William R. Moore, Y. Zee Ma, Jim Urdea, Tom Bratton
AAPG Special Volumes
.... For example, it can be derived individually from a sonic, neutron, or density log, or it can be derived by combining two or all three of them using...
2011
AAPG Archie Series, No. 1, Chapter 4: Identification of Thin Beds using Well Data
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
...------------------------ Depth is in meters. Track 1 shows the GR log. Track 2 contains Schlumberger neutron porosity (TNPH), bulk density (RHOB), and CMR Total Porosity...
2006
Rock types and lithostratigraphy of the Devonian Woodford Shale, Anadarko Basin, west-central Oklahoma; #10425 (2012)
Craig Caldwell
Search and Discovery.com
... are characterized by density/neutron log cross-over. This Woodford lithostratigraphy model was developed to assist in completion design and to help understand...
2012