The Norphlet Sandstone, Pelahatchie Field, Rankin County, Mississippi

J. A. Hartman

GCAGS Transactions

... on density and neutron log calculations and laboratory data. The presence of salt-saturated brine in the Norphlet was proven by a drill stem test...

Miocene Monterey Shale Units in Midway-Sunset Field

Mark F. Mercer

Pacific Section of AAPG

... of the diatomite is marked by an abrupt increase in porosity shown by the density and neutron curves. The productive interval averages 175 ft thick...

Integrated Petrophysical Evaluation Applied to the Characterization of Shaly-Sand Reservoirs in the Santonian Gas Field, Santos Basin, Brasil; #50503 (2011)

Thamy da Silva and Marcio Coutinho

Search and Discovery.com

... magnet ic resonance curves and the curves of density and neutron porosity. According to the petrographic reports in the Upper Zone of this well...

Section Seven: Use of Wireline Logs and Dipmeters on Diapiric Structures

New Orleans Geological Society

.... The crossplot produces a point very near to that expected from salt. The density and neutron readings of 2.03 g/cc and 0 porosity units (-1.5 porosity...

Estimate of Lithology and Net Gas Sand from Wireline Logs: Veracruz and Macuspana Basins, Mexico

Sakurai, Shinichi, Grimaldo-Suarez, F. M., Aguilera-Gomez, L. E., Rodriguez-Larios, J. A.

GCAGS Transactions

..., as well as sand and shale parameters to be used in Vsh computation. Wireline logs used are SP, resistivity, GR, and a combination of density and neutron...

Industry and Academic Consortium for Computer Based Subsurface Geology and Well Log Analysis

Jeffrey A. Nunn, Alan L. Brown, Stephen O. Sears

GCAGS Transactions

..., and hydrocarbon type from the Sonic, Density, and Neutron Logs; (3) An understanding of electrical resistivity in reservoir rocks and its relationship to porosity...

A method to evaluate pore structures of fractured tight sandstone reservoirs using borehole electrical image logging

Liang Xiao, Junran Li, Zhiqiang Mao, and Hongyan Yu

AAPG Bulletin

... imaging with microelectrical scanning arrays: Log Analyst, v. 28, no. 3, p. 294–306. Ellis, D., 2003, Formation porosity estimation from density logs...

Advancements in Wireline Technology – Past, Present and Future

Kenneth C. Henry

Southeast Asia Petroleum Exploration Society (SEAPEX)

... 1972 – First “Triple Combo of Resistivity, Density and Neutron on a single run First Hydraulic “Repeat Formation Tester” is introduced 1973 – First...

Reservoir Characterization and Estimation of Remaining Oil Saturation using NMR logs for Optimizing a CO2 Flood: A Pilot Study

Sandeep Ramakrishna, Eric Murphy, Ron Balliet, Lonnie Sullivan, Kathleen Barclay, Raymond Schutte

West Texas Geological Society

... on the triple combo log as a neutron-density cross-over along with higher resistivity. In Fig. 16, the presence of CO2 at 3,215 – 3,226 ft is seen...

Geocellular Model for Vaca Muerta Characterization

Jorge Gait, Carolina Crovetto

Unconventional Resources Technology Conference (URTEC)

... vertical wells with complete set of logs (GR, in some cases spectral GR, compressional and shear acoustic logs, density, neutron, resistivity...

Wireline Source-Rock Evaluation in the Paris Basin: Chapter 5

Susan L. Herron, Louis Le Tendre

AAPG Special Volumes

..., and kerogen. The porosity () calculated from the bulk density log now represents a volume containing both kerogen and fluid: = ker + fl. If the kerogen...

A Geologic Review of the Mahogany Subsalt Discovery: A Well That Proved a Play (The Mahogany Subsalt Discovery: A Unique Hydrocarbon Play, Offshore Louisiana), by Holly Harrison, Dwight ‘Clint’ Moore, and Peggy Hodgkins, #60049 (2010).

Search and Discovery.com

Observations from Exploration Drilling in an Active Mud Volcano in the Southern Basin of Trinidad, West Indies

Maria Henry, Michael Pentilla, Darrell Hoyer

AAPG Special Volumes

..., density, and neutron curves. The sections with increased mudflow material (0 to 1350 ft [411 m] and 2370 to 3000 ft [722 to 914 m]) show decreased...

Depositional Environments, Reservoir Trends and Diagenesis of Red Fork Sandstones, in Portions of Blaine, Caddo, and Custer Counties, Oklahoma

Christopher Lee Johnson

Oklahoma City Geological Society

... of the core shows 10% to 12% porosity on the compensated density-neutron log. Pore filling authigenic kaolinite is the major process in reducing...

Great American Carbonate Bank Subsurface Stratigraphy in the Northern Appalachian Basin, New York State

Langhorne B. Smith Jr.

AAPG Special Volumes

... limestone or Utica Shale in the easternmost wells.SUBSURFACE STRATIGRAPHYFigure 4 is a type log (with gamma ray [GR], density [RHOB], and neutron porosity...

The Flow Zone Indicator (FZI) and Pore Geometry Structure (PGS) Rock Typing Comparison to Maximize Permeability Estimation on Carbonate Reservoir, Case Study: Kais Formation, Bintuni Basin

Farhan Rizqi Ramadhan, Reka Dwi Adityawan, Warto Utomo, Muhammad Thariq Almuqtadir

Indonesian Petroleum Association

... that is considered potential to become a drilling and exploitation target, which are evaluated based on gamma ray logs, density-neutron logs, resistivity log...

Detection of Shaly Gas Reserves using Pulsed Neutron Neutron Logging

K. Traxler

Search and Discovery.com

... by GR or SP and on Density/Neutron logs no gas effects are shown. Hotwell’s gas processing method uses 4 different markers for gas-detection. The more...

Detection of Shaly Gas Reserves using Pulsed Neutron Neutron Logging

K. Traxler

Search and Discovery.com

... by GR or SP and on Density/Neutron logs no gas effects are shown. Hotwell’s gas processing method uses 4 different markers for gas-detection. The more...

Abstract: A New Exploration Concept in Late Jurassic-Early Cretaceous Interval in Abu Dhabi; #90318 (2018)

Amogh Chitrao, Sara Satti

Search and Discovery.com

... unconformity. Well log correlations tied in with core findings were carried out across key wells using Gamma ray, Sonic, Density and Neutron logs. The regional...

Automatic rock strength prediction in data-limited wells

Max Millen, Scott Mildren, Thomas Flottmann

Australian Energy Producers Journal

... using this logging suite include gamma-ray, bulk density, neutron porosity and resistivity data. The proposed methodology leverages machine-learning...

Total Organic Carbon (TOC) Estimation and Generation Potential of the Ordovician Maquoketa Shale, Illinois Basin – Using a Modification of the ΔlogR Technique; #11154 (2018)

Mansour Khosravi, Donna C. Willette

Search and Discovery.com

... T sh 5 30 35 QU E N 45 Wa ba 10 IM L S E O 40 TZ AR 25 C E 40 Density Limestone Porosity (%) 2.5 40 T 45 2.0 40 A) A Neutron...

Selection of Logging-While-Drilling Measurements for Geosteering of Horizontal Wells in Unconventional Reservoirs

Joseph Gremillion, Mike Flowers, Nicholas Tvrdy, Michael Okoro, Zachary Newnam

Unconventional Resources Technology Conference (URTEC)

... used to create property log models of GR, resistivity, density, and neutron porosity. The 3D surfaces from well-tied seismic data were combined...

Structural Geology and Petroleum Potential of Long Valley, White Pine County, Nevada

Alfred H. Pekarek

Rocky Mountain Association of Geologists

... are given in Figure 11. The neutron log shows even thicker zones of porosity than the density log. Figure 9. Location map for the five wllr drilled in Long...

Physical Characteristics of Deep Water Thin-Bedded Turbidites, Green Canyon Block 154, Gulf of Mexico

Nancy Trumbly Benthien

Special Publications of SEPM

... CHARACTERIZATION Figure 2 displays a basic log suite over the zone of interest, including the SP, gamma ray, resistivity, density and neutron porosity, and bulk...

Geomechanical Facies Model for Wolfcamp Formation (Midland Basin)

Valeri Shelokov, Mriganko Sarkar, Ray Wydrinski

Unconventional Resources Technology Conference (URTEC)

... Porosity ND_DIFF: Difference of neutron porosity and density porosity; DPHLT: Density Porosity on limestone matrix Figure 2: Carbonate Thin-beds Flag...