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The AAPG/Datapages Combined Publications Database
Showing 26,341 Results. Searched 200,619 documents.
Electromagnetic Imaging in Exploration for Morrow Fields
M. Tashin Tasci, John M. Jordan, George V. Keller
Rocky Mountain Association of Geologists
... Maxwell's equations are used to calculate "apparent resistivity" curves as a function of time (depth) at each sounding site (Kaufman and Keller, 1983). Once...
1997
Estimating Drilling Direction for Optimum Production in a Fractured Reservoir
Richard C. Nolen-Hoeksema , J. H. Howard
AAPG Bulletin
...), apparent fracture spacing (S) in the plane of the bedding, using the Pythagorean theorem, is EQUATION (1) where S* is the closest fracture spacing...
1987
Coal Fields and Coal Beds of Wyoming
Gary B. Glass, Richard W. Jones
Wyoming Geological Association
.... Characterization of Coals Apparent rank Except where coal beds are deeply buried, the apparent ranks of Wyoming coals are lignite to high volatile A bituminous...
1991
Application of Sterane Epimerization to Evaluation of Yoshii Gas and Condensate Reservoir, Niigata Basin, Japan (1)
NORIYUKI SUZUKI
AAPG Bulletin
...] sterane epimerization and the apparent heating rate. A relationship among sterane epimerization, maximum burial temperature, and heating rate is determined...
1990
Characterization of Fluvial Sand Bodies in the Neslen and lower Farrer Formations (Upper Cretaceous), Lower Sego Canyon, Utah
Rex Cole
Rocky Mountain Association of Geologists
...-sinuosity channels and associated splays. Overall, the 55 mapped sand bodies range from 1.4 to 27.0 ft thick, and have apparent widths (linear distance...
2008
Characterization of Fluvial Sand Bodies in the Neslen and Lower Farrer Formations (Upper Cretaceous), Lower Sego Canyon, Utah
Rex Cole
Utah Geological Association
...-sinuosity channels and associated splays. Overall, the 55 mapped sand bodies range from 1.4 to 27.0 ft thick, and have apparent widths (linear distance...
2008
Predicting Carbonate-Rich Frac Baffles and Barriers via a Simple Integrated Screening Methodology
Evan Gross, Yunhui Tan, Jiehao Wang, Lewis Li
Unconventional Resources Technology Conference (URTEC)
... fractures. The transition between extensional and compressional strain regimes correlates with the location of an apparent hydraulic fracture tip. The term...
2025
Design of High Pressure CO2-in-Mineral Oil Emulsions, CH4-in-Mineral Oil Foams and N2-in-Mineral Oil Foams Stabilized by Novel Oil-soluble Surfactants for Waterless Hydraulic Fracturing and Proppant Transport
Shehab Alzobaidi, Gianfranco Rodriguez, Peter Lemaire, Congwen Lu, Jason Lee, Keith Johnston, Robert Enick
Unconventional Resources Technology Conference (URTEC)
... in the 5 – 150 µm range, exhibited an apparent viscosity of about 3 - 18 cP at 25oC and 2500 psia as determined with falling ball and capillary...
2019
The Resource Potential of the G. Patuha Geothermal Area, West Java
Idrus Alhamid
Indonesian Petroleum Association
...) anomaly centered NE of G. Patuha. This data was derived using the Schlumberger technique for determining apparent resistivity and the results further...
1989
Geophysical Techniques in the Study of Hydrocarbon-Contaminated Soil
Umar Hamzah, Mohd Azmi Ismail, Abdul Rahim Samsudin
Geological Society of Malaysia (GSM)
... apparent resistivity values ranging from 200 to 10000 Ωm associated with oil contaminated layer. The presence of this layer was also detected in the 2D...
2008
Direct Determination of Surface Relaxivity in Isolated Kerogen by Pulsed-Field Gradient NMR
Boyang Zhang, Hugh Daigle
Unconventional Resources Technology Conference (URTEC)
... reagents. We used the ‘Pulsed Field Gradient’ (PFG) stimulated echo method to measure the apparent diffusion coefficients of the decane molecules...
2016
Clay Mineral Composition of Recent Sediments from the Mississippi River Delta
W. D. Johns, R. E. Grim
Journal of Sedimentary Research (SEPM)
... drainage system to clay mineral assemblage. The bulk of the montmorillonite, presumably bentonitic in character, undergoes no apparent diagenesis...
1958
Explosion Seismology Studies of Active and Passive Continental Margins: Resources, Comparative Structure, and Eustatic Changes in Sea Level
B. Keller , B. T. R. Lewis , C. Meeder , C. Helsley , R. P. Meyer
AAPG Special Volumes
... the record sections represent delays of several tenths of a second over the lower continental slope, high apparent velocities across the lower slope...
1979
Slake durability indices of fresh shales and sandstone from the Gemas Formation, Ayer Hitam, Johor Darul Takzim
John Kuna Raj
Geological Society of Malaysia (GSM)
... and 1.5 m, strike about 165o and dip eastward at 35o to 43o. The shales have an average dry unit weight of 24.85 kN/m3 and an average apparent porosity...
2020
Case Studies - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archies Series No. 2
Hezhu Yin
AAPG Special Volumes
... assigned 1 ohm m resistivity. Figure 5.1 shows the ILD response for beds with differing apparent thickness in measured depth (MD). For the case...
2011
Assessing a New LWD Technology of Borehole Imaging for Unconventional Reservoirs: A Case Study from Vaca Muerta, Argentina
M. D. Vallejo, N. Villarroel, G. Cuadros, C. Shrivastava, R. L. Brown, E. F. Lombardo, C. A. Hernandez, M. Chandia, P. Delgado
Unconventional Resources Technology Conference (URTEC)
... simultaneously from a short sub (~15-ft), namely apparent resistivity and ultrasonic while drilling to acquire high resolution azimuthal images...
2020
The Pattern of K/Ar Ages of Biotites from the Granites of Penang: Its Interpretation in the Light of Available Rb/Sr and U/Pb Data
T. S. Kwan, F. L. Yap
Geological Society of Malaysia (GSM)
... apparent biotite ages in a south-sonth-easterly trend front 209 Ma to 160 Ma is evident. In the northern third of the island, the apparent biotite K...
1986
Dual-Detector Lithology Measurements with a New Spectral Density Log
W. E. Schultz, A. Nunley, J. G. Kampfer, H. D. Smith Jr., Verdun E. Rahal Jr.
Indonesian Petroleum Association
... a simultaneous resistivity log to complement the SDL data. The tool can be run in combination with gamma ray or natural gamma spectroscopy (CSNG*), Dual Spaced...
1985
Hydraulic Fracturing--New Developments
Gerald R. Coulter
GCAGS Transactions
.... Chemicals have been developed which allow refined oils and most crude oils to be gelled, imparting high apparent viscosities to these oils. In addition...
1973
Assessing Impact of Shale Gas Adsorption on Free-Gas Permeability via a Pore Network Flow Model
Jingsheng Ma, Gary D. Couples
Unconventional Resources Technology Conference (URTEC)
... to estimate the effect of the gas adsorption on apparent gas permeability of realistic node-and-bond pore networks of shale samples. Our results show...
2015
Comparison of Shale Permeability to Gas Determined by Pressure-Pulse Transmission Testing of Core Plugs and Crushed Samples
Faruk, Civan, Deepak Devegowda
Unconventional Resources Technology Conference (URTEC)
... these parameters cannot be uniquely determined from a single test data alone. We emphasize the difference between the intrinsic and apparent permeability...
2015
Anamalous Low Resistivity Tipam Sands of Assam India and their Observed Petrophysical Aspects
Pawan Kumar Jain
Southeast Asia Petroleum Exploration Society (SEAPEX)
...Anamalous Low Resistivity Tipam Sands of Assam India and their Observed Petrophysical Aspects Pawan Kumar Jain 1990 151 158 Formation evaluation...
1990
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 Rhomaa - Umaa Crossplot
John H. Doveton
Special Publications of SEPM
... the suppression of porosity as a variable and calculation of the apparent properties of the rock matrix. The log variables that are needed...
1994
Airphotos in Environmental Studies
William V. Knight
Tulsa Geological Society
... with a simple stereoscope or with stereoscopic vision, various elevations become apparent. (Photo Credit: The Dorchester Company) Infrared film discloses...
1972