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The AAPG/Datapages Combined Publications Database
Showing 26,341 Results. Searched 200,616 documents.
Early Late Cretaceous Paleogeography of East-Central Utah
Thomas A. Ryer, Maureen McPhillips
Rocky Mountain Section (SEPM)
..., as seen on the spontaneous-potential and resistivity logs as well as the gamma-ray and resistivity logs, commonly display a bell-shaped curve...
1983
The Newly Emerging Lower Smackover (Brown Dense) Formation: Its Geologic Characteristics and Exploration Potential
Byongcheon Yang, Robert G. Gerdes, Jongweon Choi
Unconventional Resources Technology Conference (URTEC)
... gamma, resistivity, neutron, density, sonic, and image logs, and a detailed petrophysical analysis was conducted, in order to understand shale...
2015
The Hunt for Residual Oil Zones in Central Australia
M. Ben Clennell, Richard Kempton, Paul Strong, Martin Kennedy, Eric Tenthorey, Aleksandra Kalinowski, Claire Patterson
Petroleum Exploration Society of Australia (PESA)
... reservoirs that is hard to detect owing to a low resistivity contrast with the surrounding water-saturated formations. CSIRO has partnered...
2022
Depositional Environment of Jurassic Smackover Sandstones, Thomasville Field Rankin County, Mississippi
Rebeeca S. Olsen
GCAGS Transactions
.... Resistivity plotted against bulk density shows distinct groups for each rock type. A plot of resistivity versus porosity suggests a gas-water...
1982
A Comparative Study of Organic Richness and Maturity Impact on Anisotropic Geomechanical Properties in Shale Reservoirs
Azra N. Tutuncu, Binh Bui
Unconventional Resources Technology Conference (URTEC)
... composition of the samples studied are presented in the ternary diagram in Figure 4. It is apparent from the ternary diagram that the mineralogy...
2019
Influence of Stratigraphic Modeling Scales on Shale Oil Resources Assessment of the Midland Basin
Robin Dommisse
GCAGS Journal
... study) to achieve a step-wise solution (RHOMAA [apparent matrix density]—UMAA [apparent matrix photoelectric effect]) using triple combination well logs...
2022
Hydrodynamic Effects on Mission Canyon (Mississippian) Oil Accumulations, Billings Nose Area, North Dakota
Robert R. Berg , William D. DeMis , Alan R. Mitsdarffer
AAPG Bulletin
...-saturated resistivity (Ro) of 9 ohm m at 10% porosity. Extrapolation of this value to 100% porosity gives an apparent water resistivity (Rw) of 0.09 ohm...
1994
Characterization of a Sediment Core from Potential Gas-hydrate-bearing Reservoirs in the Sagavanirktok, Prince Creek, and Schrader Bluff Formations of Alaska's North Slope: Part 2Porosity, Permeability, Grain Density, and Bulk Modulus Core Studies*
R. F. Sigal, C. Rai, C. Sondergeld, B. Spears, W. J. Ebanks Jr., W. D. Zogg, N. Emery, G. McCardle, R. Schweizer, W. G. McLeod, J. Van Eerde
AAPG Special Volumes
... gas-hydrate-bearing reservoirs in the Sagavanirktok, Prince Creek, and Schrader Bluff formations of Alaska's North Slope: Part 3Electrical resistivity...
2009
The evolution of pore-scale fluid-saturation in low-permeability sandstone reservoirs
Keith W. Shanley and Robert M. Cluff
AAPG Bulletin
... (Archie “n”) would increase apparent water saturation and decrease apparent petroleum pore volume potentially bringing resistivity-based saturation...
2015
Deterministic versus unsupervised machine learning approach for facies modeling within the Late Devonian Duvernay Formation, Western Canada Sedimentary Basin, Alberta
Elisabeth G. Rau, Stacy C. Atchley, David W. Yeates, Anna M. Thorson, and Katherine H. Breen
AAPG Bulletin
..., density and neutron porosity, photoelectric effects, and deep resistivity logs, Thorson et al. (2022) developed algorithms for four depositional...
2024
Chapter 9: Findings from the Eagle Ford Outcrops of West Texas and Implications to the Subsurface of South Texas
Arthur D. Donovan, T. Scott Staerker, Rand Gardner, Michael C. Pope, Aris Pramudito, Matthew Wehner
AAPG Special Volumes
.... The lower member of the Lower Eagle Ford Formation is an organic-rich, high-resistivity, uranium-poor mudstone-dominated sequence. A distinctive clay...
2016
Multiple Stratigraphic Indicators of Major Strike-Slip Movement Along the Eola Fault, Subsurface Arbuckle Mountains, Oklahoma
Jerry Glen McCaskill Jr.
Oklahoma City Geological Society
.... As the field was delineated, it became apparent that an anticlinal crest exists to the north of the discovery well and an overturned syncline lay...
1998
A new method for estimating total organic carbon content from well logs
Peiqiang Zhao, Zhiqiang Mao, Zhenhua Huang, and Chong Zhang
AAPG Bulletin
..., Q. R., S. Creaney, J. B. Kulla, F. J. Moretti, and J. D. Stroud, 1990, A practical model for organic richness from porosity and resistivity logs...
2016
Characterizing initial-state conductivity distribution at a CO2 injection site with airborne, surface, and borehole electromagnetic induction methods
Lucie Costard and Jeffrey G. Paine
Environmental Geosciences (DEG)
... resistivities for the coplanar frequencies using a pseudolayer halfspace model, apparent depth estimates, and differential resistivity slices at 5–45 m (16...
2015
Komarek
Larry J. Richardson
Kansas Geological Society
... mud systems. No apparent surface hole problems exist in the area. An average of 305' of surface pipe was run. A typical well was drilled to a total...
1985
Correlation of Gas-Oil Horizons of Lower Jurassic age of the Vilyuy Hemi-Synclize and Cis-Verkhoyansk Downwarp
K. I. Mikulenko, Ye. A. Gaydeburova
Petroleum Geology: A Digest of Russian Literature
... of the prime exploration objectives here. It is quite apparent that for correct evaluation of new regions, the selection of objectives for testing...
1966
East Mallet Unit CO2 Flood Log Monitoring Program Slaughter Field, Hockley County, Texas
Jeri Wackler Drozd, John Gould
West Texas Geological Society
... and measure reservoir water resistivity. The open-hole logging program included a lithodensity log, a dual porosity neutron log, and a phasor induction log...
1991
Study of Surfaces of Unconformity in the Sub-Salt Sediments by Seismic Reflection Surveying
B. I. Bespyatov, O. V. Shatalov
Petroleum Geology: A Digest of Russian Literature
... of apparent resistivity and low SP values; this is in accord with the sandy member. See Fig. 1. In wells 8 and 6, which are located on this same profile...
1973
Old Electrical Log Interpretation [Pre-1958], Chapter 10: The Old Gamma Ray and Neutron Logs
Hilchie, D.W.
AAPG Special Volumes
... was based on the fact that in apparent high porosities, the curves tended to saturate at 4045% porosity. This means that if there was a borehole washout...
1979
Heavy Oil Reservoirs in the Tulare Fold Belt, Cymric-Mckittrick Fields Kern County, California
Thomas Farley
Pacific Section of AAPG
... curves (see Figure 7). Expanded SP and resistivity profiles are recognized by the abrupt apparent thickening of sand or shale intervals laterally from...
1990
Fluvial architecture and four-dimensional saturation modeling of a steam flood: Kern River field, California
D. K. Larue, J. P. Allen, and D. Beeson
AAPG Bulletin
... significance. Instead, pay is defined as a reservoir interval with normalized short resistivity greater than or equal to 8 ohm m and nonpay is defined...
2020
Bakken Production and Potential in the U.S. and Canada: Can the Fairway be Defined?*
William B. Hansen, George I.W. Long
Montana Geological Society
... cost than a horizontal well. Apparent Water Resistivity (Rwa) Mapping A regional evaluation of DST's from...
1991
Paleogeography and Cementation in a Mississippian Oolite Shoal Complex: Ste. Genevieve Formation, Willow Hill Field, Southern Illinois Basin: Chapter 7
Ronald D. Manley, P. W. Choquette, M. B. Rosa
AAPG Special Volumes
... of the 69 wells. Although criteria were established that allowed facies interpretations to be made from SP/resistivity log responses, this approach can...
1993
Hydrocarbon Prospect of Pre Tertiary Basement in Kuang Area, South Sumatra
Sardjito, Eddy Fadianto, Djumlati, Steven Hansen
Indonesian Petroleum Association
.... A healed, or partially healed fracture is white, filled with high resistivity material. The continuous parallel laminated features seen on these images...
1991
Irreducible Water Saturation and Water Saturation Comparison as an Alternative Approach for Hydrocarbon Identification on Shaly Sand Reservoirs in Mature Tunu Field, Mahakam Delta
Febrina Ari Restuti, Haris Kurniawan Hidayat, Taufik Anwar, Yulianto Jong, Supriady
Indonesian Petroleum Association
... logs. It is generally related with high irreducible water retained in clayassociated microporosity that causes resistivity depression and increasing...
2019