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The AAPG/Datapages Combined Publications Database

Showing 1,342 Results. Searched 200,621 documents.

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Estimating Porosity and Permeability in the Springbok Sandstone, Surat Basin (Queensland), Using New Wireline Log-Based Workflow

Kasia Sobczak, Heinz-Gerd Holl, Andrew Garnett

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., were used:       GR Caliper Spontaneous potential Density Neutron porosity Resistivity – measured at least at three different depths...

2021

An Improved Petrophysical Volume Model for Proximate Analysis in Coalbed Methane Reservoir

Pei-Qiang Zhao, Zhi-Qiang Mao, Ding Jin, Bao-Dian Sun, Xu Pang

Unconventional Resources Technology Conference (URTEC)

... and the cross plot of GR versus objective log. They also proposed and listed the density and neutron log values of ash free anthracite coal from...

2014

Synthetic Well Log Generation Using Machine Learning Techniques

Oyewande Akinnikawe, Stacey Lyne, Jon Roberts

Unconventional Resources Technology Conference (URTEC)

... for the Synthetic PE log contained wireline logs from over a hundred wells that included gamma ray, density porosity, neutron porosity, deep resistivity, photo...

2018

Evaluation of Mineralogical Composition and Reliable Petrophysical Parameters by Neutron Induced Gamma Ray Spectroscopy in Mineralogical Complex Reservoir of Lower Goru Formation, Middle Indus Basin … A Case Study, #40887 (2012)

Kamran Aziz, Aamir Rasheed, Arshad Hussain Palekar, Rehan Hanif, S. Sohaib Zulfiqar, M. Zeeshan Baig,

Search and Discovery.com

... Indus Using GR Not Using GR • Conventional Petrophysical Evaluation - Basic Assumptions Porosity (fixed grain density) Vclay (GR, Neutron, Density...

2012

Characterizing the Near Surface with VSP and Well Logs

Search and Discovery.com

..., temperature, density and neutron porosity logs were acquired by Roke Oil enterprise limited in the open hole (Figure 1) before the 15.6 cm diameter well...

2013

Manipulation of the Integrated Data Base: A Case Study of the East Anschutz Ranch

Robin L. Dow

Rocky Mountain Association of Geologists

... ROCKY MOUNTAIN ASSOCIA TION OF GEOLOGISTS © 2005 The Rocky Mountain Association of Geologists ROBIN L DOW Log Analysis , Density, neutron...

1988

Gavilan Nacimiento (Gas), T. 24 N., R. 2 W., NMPM, Rio Arriba County, New Mexico

Sherman E. Dugan

Four Corners Geological Society

... is drilled to total depth at 3,575 feet. Induction-electric and compensated density neutron logs are run; 4 ″ production casing is set to total depth...

1983

De-risking hydrocarbon prospects in the presence of bentonite

Michelle Ellis, Carlos Alberto Montilla Nava, Marcelo Cecena, Hilarion Sanchez Hernandez

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the open hole logs: Resistivity, Density, Neutron Porosity, Sonic Vp & Vs, Caliper and Gamma Ray. The minerals and fluid modelled were Quartz, Silt...

2024

Extended Abstract: Role And Contribution Of Pressure Regime Evaluation In Well Planning And Formation Evaluation Process, Zeit Bay Field - Gulf Of Suez, Egypt , #90099 (2009)

Saber Moustafa Selim, Khaled Mohamed Abdallah, Bassem El-Sayed El-Badawy

Search and Discovery.com

... is an empirically derived exponent. Density and neutron logs had been used as porosity logs and Geopressure indicators. Decreasing in the observed density log...

2009

Three Dimensional Reservoir Geomodeling For Reserve Calculation And Prospect Development Using Petrophysical Analysis Integration At DNF Field, South Sumatera Basin

Fitriana Aprilia, M. Zahri Firmansyah

Indonesian Petroleum Association

... was carried out on the available gamma ray (GR), resistivity, neutron, and density values using log data. Through these, distribution of lithologic units...

2014

Petrophysical challenges with mudrocks in the Permian Basin: New concepts and workflows

Shuvajit Bhattacharya, Ray Eastwood, Brian Casey

International Meeting for Applied Geoscience and Energy (IMAGE)

... definition. We varied kerogen properties (e.g., density, neutron porosity, volumetric photoelectric absorption index, etc.) by depth and geography...

2022

Chapter 10: The Role of Integrated Reservoir Petrophysics in Horizontal Well Evaluations to Increase Production in the Eagle Ford Shale

Kevin B. Fisher

AAPG Special Volumes

... porosity > density porosity), when examined in a log format. However, in the gas window, there is a minor crossover (neutron porosity < density porosity...

2016

Selected Examples Illustrating Integration of Rock-Log Data to Determine Reservoir Petrophysical Characteristics: Part III

R. W. Hietala, E. T. Connolly, H. R. King, R. M. Sneider

AAPG Special Volumes

... for each example is the open-hole log suite, which includes, if available, gamma ray, SP, caliper, acoustic transit time, neutron and density porosity...

1984

Reservoir characterization and facies prediction within the Late Cretaceous Doe Creek Member, Valhalla field, west-central Alberta, Canada

Stacy C. Atchley, Nathaniel H. Ball, Luke E. Hunt

AAPG Bulletin

... to occur within well-log facies 2, 3, or 4 where the well-log neutron porosity exceeds the density porosity by more than 7%. Within an oil-saturated...

2010

Mission Canyon Play of North Dakota: Shells early pioneering work

William D. DeMis

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Figure 2. Mission Canyon type log (Density-Neutron logs) with informal subdivisions for Mission Canyon Formation (left) and simplified stratigraphic...

2022

Statistical Methods For Log Analysis of Reservoir Properties: Chapter 1

John H. Doveton

AAPG Special Volumes

... consists of zoned readings of permeability, porosity computed from a density-neutron log combination, and uranium and potassium measures from...

1994

Effects of Diagenesis on Enhanced-Resolution Bulk Density Logs in Tertiary Gulf Coast Sandstones: An Example from the Lower Vicksburg Formation, McAllen Ranch Field, South Texas

Jeffry D. Grigsby , Richard P. Langford

AAPG Bulletin

... the enhanced-resolution bulk density log: (1) the quartz-cemented facies, averaging 13% porosity and 0.342 md permeability, and having a recorded...

1996

Occurrence of Oil in the Austin Chalk at Van Field, Van Zandt County, Texas--A Unique Geologic Setting

James T. Lowe , Deborah B. Carington

GCAGS Transactions

... and were logged with dual induction-gamma ray and density-neutron porosity logs. Infill Drilling Strategy Detailed Austin Chalk whole core analyses...

1990

High-resolution ultrasonic measurements as proxies to resolve clastic reservoir heterogeneity in a salt-cemented gas reservoir

Claudio Miro Filomena, Harald Stollhofen, Kees van Ojik

AAPG Bulletin

...) drilling depth (see Figure 2 for stratigraphic position). Comparison of downhole gamma-ray and porosity log pattern (sonic, bulk density, neutron...

2012

LWD Geosteering and Natural Fracture Identification in Horizontal Wells in Unconventional Reservoirs

Greg Meszaros, Paul Boonen

West Texas Geological Society

... to the bottom hole assembly, such as resistivity, density-neutron and sonic tools. A particular application of the sonic data is in the identification...

2006

"Porosity Pod": Concept for Successful Stratigraphic Exploration of Fine-Grained Sandstones

James M. Forgotson, Jr. , James M. Forgotson

AAPG Bulletin

... of porosity require analysis of sonic, density, or neutron porosity logs. Experience in this area has shown that porosity values derived from sonic...

1975

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