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The AAPG/Datapages Combined Publications Database

Showing 1,258 Results. Searched 195,405 documents.

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EXTENDED ABSTRACT: Shaly sand analysis via density/neutron porosity from pulsed neutron

Richard Odom, Shawn Bailey, Paul Pavlakos, Satwant Diocee, Dennis Zander, John Gillespie

CSPG Special Publications

...EXTENDED ABSTRACT: Shaly sand analysis via density/neutron porosity from pulsed neutron Richard Odom, Shawn Bailey, Paul Pavlakos, Satwant Diocee...

1998

AAPG Memoir 76, Chapter 5: The Role of Shale Pore Structure on the Sensitivity of Wire-Line Logs to Overpressure

G. L. Bowers and T. John Katsube

AAPG Special Volumes

... to improve our understanding of wire-line log response to overpressure. Bulk density and neutron porosity logs sometimes mask pore-pressure increases...

2001

ABSTRACT: A Petrophysical Method to Evaluate Irregularly Gas Saturated Tight Sands Which Have Variable Matrix Properties and Uncertain Water Salinities; #90108 (2010)

Michael Holmes, Antony Holmes, and Dominic Holmes

Search and Discovery.com

... is a quantitative assessment of gas saturation by comparing matrix specific density and neutron responses with porosity, calculated such that gas effects...

2010

Abstract: Methodology to Estimate Thermal Maturity from Petrophysical Calculations of Gas/Oil Ratios; #91201 (2022)

Michael Holmes, Antony M. Holmes, and Dominic I. Holmes

Search and Discovery.com

... the degree of gas saturation from petrophysical analysis is the effect of gas on density and neutron log responses. Gas increases porosity on the density log...

Unknown

Identifying By-Passed Reservoir Through Cased Hole Formation Resistivity – A Telisa Case Study, Kaji Semoga Field, South Sumatra

Toto Santosa, Hartono Nugroho, Tri Atmaja, Rudhy L. Tarigan, Lukas Wihardjo, Sherif Faraq, Riawan Mulyanto

Indonesian Petroleum Association

..., mainly due to poor open hole log response - GR, porosity (density and neutron) and resistivity logs. The logs showed almost no oil indication...

2003

Nuclear Well Logging in Permafrost: ABSTRACT

John K. Petersen, Koji Kawasaki, T. E. Osterkamp, James H. Scott

AAPG Bulletin

... Sopris portable well logger was calibrated for gamma-gamma density and neutron porosity in dry geophysical-type boreholes in unfrozen materials. Since...

1985

Abstract: Thin Bed Resolution by Estimating Resistivity Profiles from Porosity Log Responses; #90211 (2015)

Michael Holmes, Antony Holmes, and Dominic Holmes

Search and Discovery.com

... – Gassmann and Krief. Source data for the models is gamma ray, density and neutron logs, all with comparable vertical resolutions. Pseudo porosity logs...

2015

A Petrophysical Model for Shale Reservoirs to Distinguish Macro-Porosity, Micro-Porosity, and TOC, #40916 (2012)

Michael Holmes, Antony Holmes, Dominic Holmes

Search and Discovery.com

..., density and neutron log responses are reduced to the shale only fraction, by subtracting contribution from matrix, effective porosity, and TOC...

2012

Abstract: Petrophysical Modeling of Unconventional Reservoirs Using Standard Triple/Quad Combo Logging Suites: Examples from the Bakken and Niobrara; #90242 (2015)

Michael Holmes

Search and Discovery.com

... volume. TOC has a density response close to porosity and indeterminate neutron response. The log responses are probably related to the degree of thermal...

2015

Determination of Productive Zones in Low Porosity, Low Permeability Carbonate and Clastic Rocks

James A. Turney

Dallas Geological Society

..., Colorado. In the Fort Worth basin, conventional porosity devices such as the compensated density-neutron log have been inadequate for evaluation...

1982

A Petrophysical Model to Distinguish Water-Wet and Oil-Wet Fractions of Unconventional Reservoir Systems Using Triple-Combo Log Suites, #41978 (2017).

Michael Holmes, Antony Holmes, Dominic I. Holmes

Search and Discovery.com

... porosity – PhiE d. Fluid components in effective porosity e. Matrix volume and petrophysical responses – Vma A density/neutron combination to calculate...

2017

Productive Low Resistivity Well Logs of the Offshore Gulf of Mexico, 1993 - Log Examples

New Orleans Geological Society

... data, mud-log data, spontaneous potential (SP), gamma-ray, caliper, resistivity, sonic, density porosity, and neutron porosity logs, initial potential...

1993

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