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The AAPG/Datapages Combined Publications Database
Showing 1,342 Results. Searched 200,626 documents.
Where to Perforate? Where to Fracture? Workflow to Select and Rank Intervals for Completion
Harshad Dixit, Ashutosh Kumar Singh, Vijay Raj, Tania Dev
Indonesian Petroleum Association
... measurements is a popular porosity log combination. Estimation of total and effective porosity is performed using neutron and density log. Effective...
2023
Petrophysical Evaluation of the Haynesville Shale in Northwest Louisiana and Northeast Texas
Dan Buller, Michael C. Dix
GCAGS Transactions
... for the Haynesville Shale is computed using a typical triple combo suite of logs (gamma ray, resistivity, and neutron/density). Other log data such as borehole...
2009
Advanced Mud Gas Analysis for an Improved Fluid Characterization in a Complex Carbonate Reservoir: A Case Study from A Field, East Java Basin
Miftah Mazied, Erik Yogapurana, Budi Abrar, Aditya Wijaya Kusuma, Hedy Susatyo Herlambang
Indonesian Petroleum Association
... in Zone 2 highlighted by peak gas over the background, cross over of density-neutron and calculated Sw of 65%, .The cross plot of C1/THC and C1/C2...
2017
Precambrian basement reservoirs: Case study from the northern Bongor Basin, the Republic of Chad
Lirong Dou, Jingchun Wang, Renchong Wang, Xiaodong Wei, and Chandramani Shrivastava
AAPG Bulletin
... neutron log (NPHI), compensated density log (RHOB), and elemental capture spectroscopy (ECS). Results from these studies are integrated with dynamic...
2018
Chapter 5: Pre-Salt Depositional System: Sedimentology, Diagenesis, and Reservoir Quality of the Barra Velha Formation, as a Result of the Santos Basin Tectono-Stratigraphic Development
M. D. de Carvalho, F. L. Fernandes
AAPG Special Volumes
...) correlation of facies with well logs (gamma ray, resistivity, sonic, density, and neutron); (5) defining of the shallowing and/or flooding upward...
2021
Thin bed evaluation of the Lower Herrera member within existing oilfields in south Trinidad
Ramroop, C.K. and Ali, R.M.
Geological Society of Trinidad & Tobago
... and neutron porosity logs showing good anti-correlation Separation between shallow and deep resistivity measurements indicating invasion. The modern day...
1995
Depositional and Diagenetic Controls on Reservoir Development in a Pennsylvanian Phylloid Algal Complex: Reinecke Field, Horseshoe Atoll, West Texas
G. Allan Crawford, George E. Moore, W. Simpson
West Texas Geological Society
... in all of the wells from the density-neutron logs. Correlation of beds within the field is difficult because of two factors: 1) many of the rock types...
1984
Effect of Mineralogy on NMR, Sonic, and Resitivity: NMR, Sonic, and Resistivity: A Case Study of the Monterey Formation
Saul Rivera, Manika Prasad
Unconventional Resources Technology Conference (URTEC)
... shows an overall good agreement with the porosity obtained by using helium porosimetry. However, when compared to density and neutron porosity the values...
2014
Biogenic Gas Exploration and Development in Bentu PSC, Central Sumatra Basin, Indonesia; #10454 (2012)
R. W. Yuwono, B. S. Fitriana, P. S. Kirana, S. Djaelani, and B. A. Sjafwan
Search and Discovery.com
... (Figure 4). Crossover of density vs. neutron porosity is often used to determine the boundary of the gas. A gas-bearing reservoir yields a lower...
2012
An Integrated Subsurface Geological and Engineering Study of Meyal Field, Potwar Plateau, Pakistan; #20151 (2012)
Syed Tariq Hasany and Umair Saleem
Search and Discovery.com
... green to gray shale with minor light gray limestone, is excluded. The zonation is based on the log response of Litho-density, Neutron, Resistivity, SP...
2012
Description and Reservoir Characterization of a Late Miocene, Delta-Front Coral-Reef Buildup, Serang Field, Offshore East Kalimantan, Indonesia
Charles T. Siemers, Sigit Sutiyono, Stephen K. Wiman
Indonesian Petroleum Association
... by a density-neutron cross-over through the upper part of the carbonate section (Fig. 5). Based on these observations the decision was made to run...
1992
Lithostratigraphy and Porosity Characterization of the Sycamore Formation (Mississippian), and it's Relationship to Reservoir Performance, Carter-Knox Field, Grady and Stephens County, Oklahoma
William S. Coffey
Oklahoma City Geological Society
... 1-9, 9-2N-5W. This figure shows the core interval, density/neutron electric log porosity values, and the whole core analysis porosity values...
2001
Identifying a Bypassed Reservoir in Limestone A Sequence with Magnetic Resonance While Drilling, #41843 (2016).
Oscar Morales, Fabricio Sierra, Nidal Hazboun, Guillermo Saucedo, Vikas Jain, Nate Bachman, Kais Gzara
Search and Discovery.com
... a mixture of clay and limestone, therefore the density/neutron porosity are more affected than the lithology independent magnetic resonance. The MR...
2016
Reservoir Models for Meandering and Straight Fluvial Channels; Examples from the Travis Peak Formation, East Texas
David K. Davies , Brian P. J. Williams , Richard K. Vessell
GCAGS Transactions
... mudrocks have the highest gamma ray response (75-120 API units), lowest resistivity and porosity, and greatest density-neutron separation of all...
1991
BREAKING INTO BAKKEN POTENTIAL ON THE FORT PECK RESERVATION IN NORTHEASTERN MONTANA
LAWRENCE M. MONSON, DUANE F. LUND
Williston Basin Symposium
..., resistivity values define the region where oil saturations are high, and density and neutron-log data show that a significant amount of organic...
1991
Formation Evaluation of FEAW Sand (Multi Layer Reservoir) to Find New Interesting Zones in Mature Field, Study Case: Hati Field, Central Sumatra Basin
Erawati Fitriyani Adji, Sarju Winardi
Indonesian Petroleum Association
... to temperature gradient 3) Determination of true porosity using density log which have been corrected by Vsh content in the reservoir 4) Determination...
2008
Onshore Structural Movement Revealed Through the Presence of Volcaniclastic Deposition Offshore.Cholula-1EXP, Miocene Salina del Istmo Basin, Mexico
David 'Stan' Stanbrook, Nicola Capuzzo, Michael Durcanin, Brian LeCompte, Gabriel Perez, Craig Farley, Adam Seitchik
Search and Discovery.com
.... That is why most log values are sensitive to mineral composition more than porosity, especially density, acoustic, and neutron porosity. Resistivity...
2022
Evaporite Sedimentation in the Permian Yates Formation, Central Basin Platform, Andrews County, West Texas
G. Allan Crawford, John B. Dunham
Special Publications of SEPM
... later diagenesis. Rapid fluctuations in density and neutron porosity log curves within the quartz-sand intervals may reflect the distribution of pore...
1987
Salt Water Disposal Modeling of Dakota Sand, Williston Basin, to Drive Drilling Decisions
Saptaswa Basu, Ted Cross, Sergey Skvortsov
Unconventional Resources Technology Conference (URTEC)
... logs that included Gamma Ray (normalized), Neutron, Density and Resistivity. Core data included porosity and permeability, from whole core and sidewall...
2019
Island: T. 10 S., R. 19-20 E., SLB&M: Uintah County, Utah
Brian Coffin
Utah Geological Association
... combination, Laterolog, Density-Neutron. Number of Producing Wells: 204 Number of Abandoned Producers: 3 Number of Dry Holes: 3 Number of Shut-in Wells: 2...
1996
Field Summary: Cowboy Field
Al Lange
Rocky Mountain Association of Geologists
... the well on February 16, 1976. LOGGING PRACTICES Dual Laterolog, Density-Neutron DRILLING AND COMPLETION PRACTICES Drill with salt base mud to T.D....
1982
The Cambro–Ordovician System in the Subsurface of Eastern Colorado: A Wireline Well Log Evaluation
Robert L. Askew
Rocky Mountain Association of Geologists
... the contact. These logs exhibit the low gamma ray - high gamma ray change across the contact. Of these nine wells, six have a density-neutron log which...
2012
Greater Natural Buttes Gas Field, Uintah County, Utah
John C. Osmond
Utah Geological Association
... the North Horn/Flagstaff equivalent beds and the basal conglomerate (Figs. 4, 6). Based on density and neutron porosity log estimates and core analyses...
1992
Estimating Thermal Conductivity in Sedimentary Basins Using Lithologic Data and Geophysical Well Logs (1)
FREDERIC BRIGAUD , DAVID S. CHAPMAN , and SYLVIE LE DOUARAN
AAPG Bulletin
...] in an n-component matrix. We note that porosity is determined from (1) the compensated formation density log, (2) the compensated neutron log, or (3...
1990