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The AAPG/Datapages Combined Publications Database
Showing 25,591 Results. Searched 195,387 documents.
Correlation of the Carbonate Section of the Frasnian Stage of the North of the Stalingrad Area
V. M. Leont’yev
Petroleum Geology: A Digest of Russian Literature
... lithologic and initial variations in thickness. Since a decrease in thickness of strata causes a strong change in the SP and apparent resistivity logs...
1961
Detecting the Presence of Acid Mine Drainage Using Hydrogeological, Geochemical, and Geophysical Data: Applications to Contrasting Conditions at Mine Sites in Little Cottonwood and American Fork Canyons, Utah
Alvin K. Benson, C. Lee Addams
Environmental Geosciences (DEG)
... of specific conductivity correspond to the conductivity of soil water ranging from 100 to 1000 mS/m, and result in values for the apparent resistivity...
1998
Improved Methods of Geophysical Investigation of Carbonate Sediments of the Volga-Ural Region
V. G. Dvoretskiy, N. G. Nesterenko, A. V. Ruchkin
Petroleum Geology: A Digest of Russian Literature
... regions of the Volga-Ural region consists of standard electrical logging (apparent resistivity, SP), radioactivity logging (gamma, neutron-gamma), caliper...
1963
Discovery of Silurian Sediments in Ural Region of Bashkiria
K. P. Timergazin
Petroleum Geology: A Digest of Russian Literature
... with a thickness of 5 m. Apparently it is a porous water-bearing sandstone because it has a low apparent resistivity (KS), maximum impulses of the neutron...
1961
Mesaverde Tight Gas Sandstone Sourcing from Underlying Mancos-Niobrara Shales; #10450 (2012)
Steve Cumella and Jay Scheevel
Search and Discovery.com
..., Laboratory and field observations of an apparent sub capillary-equilibrium water saturation distribution in a tight gas sand reservoir: 2002 Society...
2012
Distribution of Upper Cenozoic Carbonate-Cemented Sandstones, Kuche Depression, Northwest China: Insights from High-Resolution Borehole Micro-Resistivity Imaging
Guangfa Zhong, Zaitian Ma, Ruilin Liu, Ningfen Wu
Journal of Sedimentary Research (SEPM)
...-Resistivity Imaging Guangfa Zhong, Zaitian Ma, Ruilin Liu, Ningfen Wu 2003 177 186 Vol. 73 (2003) No. 2. (March) High-resolution micro-resistivity images...
2003
Core Analysis
Howard C. Pyle, John E. Sherborne
Tulsa Geological Society
... inversely with the resistivity values of electric logs. The salinity can not be expected to give the same correlation with resistivity values from different...
1938
Old Electrical Log Interpretation [Pre-1958], Chapter 9: Salt Mud Surveys - Laterologs and Microlaterologs
Hilchie, D.W.
AAPG Special Volumes
... inch invasion diameter is assumed to be a constant, then these old laterologs should have their apparent resistivity (Ra) from the curve increased...
1979
Petrophysical Evaluation of "Quasi Wet Pay Zones" (QWPZ) via Integration of Advanced and Conventional Wireline Data (Paper C1)
S. Ismail, M. M. Altunbay, N. Aula
Geological Society of Malaysia (GSM)
... Sdn Bhd) A “low resistivity-low contrast” (LRLC) and low porositypermeability sand earns a new name “quasi-wet-pay zone” (QWPZ) encompassing...
2012
Use of the Dipmeter to Improve Formation Evaluation in Thin-Bedded Sand/Shale Sequences
J. E. Sallee
Southeast Asia Petroleum Exploration Society (SEAPEX)
... to the invaded zone resistivity. From the dipmeter curves it is apparent that there is little variation of dipmeter microresistivity through the sands...
1982
Use of the Dipmeter to Improve Formation Evaluation in Thin-Bedded Sand/Shale Sequences
J. E. Sallee, B. R. Wood
Indonesian Petroleum Association
... is responding to the invaded zone resistivity. For dipmeter curves it is apparent that there is little variation of dipmeter microresistivity through...
1981
Geophysical Investigations of the Cove Fort-Sulphurdale Geothermal System, Utah
Howard P. Ross, Joseph N. Moore
Utah Geological Association
... and each survey yielded 31.4 line-km of profile data. Apparent resistivity values were recorded for N= 1 to 6 or N= 1 to 7. The locations of all lines...
1994
Abstract: 3D Focusing Inversion of Multi-transient EM Data in the Frequency Domain; #90171 (2013)
Guangpin Li, Johnathan Linfoot, and Bruce Hobbs
Search and Discovery.com
... a sharp and focussed image of the anomalous resistivity distribution. The methodology is tested on a synthetic marine EM data set which presents...
2013
Magnetic Resonance Image Log Use in Evaluation of Low Resistivity Pay in the Attaka Field
Sigit Sutiyono
Indonesian Petroleum Association
... by conventional log analysis. However, shoulder bed effects causing apparent resistivity reduction are very prominent due to thinly bedded reservoirs...
1995
Integration of Electrical Resistivity, Ground-Penetrating Radar, and Very Low-Frequency Electromagnetic Induction Surveys to Help Map Groundwater Contamination Produced by Hydrocarbons Leaking from Underground Storage Tanks
Alvin K. Benson, Nathan Brett Mustoe
Environmental Geosciences (DEG)
... resistivities of different rocks and/or fluids in the subsurface) obtained by iterative computer modeling of the apparent resistivity data. Because...
1998
Paleogeographic Criteria for Exploration for Lithologic Pools in the East Kuban Depression
G. V. Maslennikova, P. V. Bigun, V. N. Gordiyenko
Petroleum Geology: A Digest of Russian Literature
... where later only marine sediments were deposited. Figure 3. Map of distribution of types of self potential and apparent resistivity logs of Aptian...
1979
Harnessing Lightning in the Hunt for Hydrocarbons
Search and Discovery.com
N/A
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
..., and resistivity well log responses. Correlation of GOR with Ro has been defined by Dow (1977) and Jarvie et al (2015). The basis for quantifying...
Unknown
Using Ground-Penetrating Radar and Capacitively Coupled Resistivity to Investigate 3-D Fluvial Architecture and Grain-Size Distribution of a Gravel Floodplain in Northeast British Columbia, Canada
Adrian S. Hickin, Benjamin Kerr, Thomas E. Barchyn, Roger C. Paulen
Journal of Sedimentary Research (SEPM)
..., M.H., and Barker, R.D., 1996, Rapid least-squares inversion of apparent resistivity pseudosections by a quasi-Newton method: Geophysical Prospecting, v...
2009
Log Evaluation of Wells in the Tuscaloosa Trend of South Louisiana
John A. Stevenson
New Orleans Geological Society
... nor the short-spaced resistivity curve (SFL*, LL-8 or short normal) can be recorded, a Gamma Ray is combined with the DIL/Sonic. The porosity...
1981
Water Saturations in a Wilcox Shaly Reservoir Sandstone, Fordoche Field, Point Coupee Parish Louisiana
Charles R. Berg , Robert R. Berg
GCAGS Transactions
... medium theory (EMT) and has been used successfully on a wide range of clayey, low-resistivity reservoirs. A further, independent test of saturations...
1996
Tool Descriptions
Richard H. Merkel
AAPG Special Volumes
... is controlled by the resistivity contrast between the drilling mud and the formation water. Hence, if the resistivity of the drilling mud is known...
1979
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)
... companies. The figure shows the general apparent precision for GR is about 5 API, density precision is approximately .02 g/cm3, and resistivity precision...
2019
Geophysical Investigations of the Hot Spring Occurrences in the Sungei Serai and Kampung Dusun Tua Areas, Hulu Langat, Selangor
Mohd Anuar Md. Razali
Geological Society of Malaysia (GSM)
... was done using the TEMIXP software package. RESULTS AND DISCUSSIONS TEM VOLTAGES AND APPARENT RESISTIVITY Although the TEM technique measures amplitude...
1998
The Transition Zone and Determination of the Water-Oil Contact According to Geophysical Measurements
N. N. Sokhranov
Petroleum Geology: A Digest of Russian Literature
... the calculations of reserves. The maximum on the apparent resistivity curve and the middle of the transition zone in most cases do not correspond...
1960