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The AAPG/Datapages Combined Publications Database
Showing 7,072 Results. Searched 195,364 documents.
Physical and Mechanical Properties of a Meta-Rhyolitic Tuff from the Dinding Schist
J. K. Raj
Geological Society of Malaysia (GSM)
... their individual, visible textural and structural features were described. Densities, unit weights and effective porosities of these small blocks were...
2004
Some Physical and Mechanical Properties of Porphyritic Hyperstene Microdiorite from the Tawau Area, Sabah, East Malaysia
J. K. Raj
Geological Society of Malaysia (GSM)
... their individual, visible textural and structural features were described. Densities, unit weights and porosities of these small blocks were then determined...
2004
Abstract: Understanding Geomechanical and Stress Effects of SAGD Production Using 4D-3C Seismic Data; #90187 (2014)
Kelsey Schiltz, Loren Zeigler, and David Gray
Search and Discovery.com
... (2012) uses seismic velocities and densities determined through joint inversion to calculate values of Young’s modulus and Poisson’s ratio. By making...
2014
Recent Sediments of Lake Maracaibo
R. Sarmiento, R. A. Kirby
Journal of Sedimentary Research (SEPM)
.... Median grain diameters of the muds are of the order of 1 micron; densities vary between 1.20 and 1.40; and porosities (water contents) vary between 80...
1962
Sonic Velocity in CarbonatesA Combined Product of Depositional Lithology and Diagenetic Alterations
Flavio S. Anselmetti, Gregor P. Eberli
Special Publications of SEPM
... porosities and fit positive departure from the best curve Rocks with moldic porosity between 40 and 50 can have velocities between 4000 and 5000 mwhich...
2001
Applications of 3-D Seismic/Forward Modeling to Water Shutoff and Other Reservoir Management Issues
D. E. Moore, H. E. Goodman, P. D. Norman
Indonesian Petroleum Association
... reservoir. Acoustic Logging Conventional wireline logging techniques routinely measure formation P wave velocities and densities. In fast rocks, i.e....
1995
Aspects of Rock Physics From Laboratory and Log Data that are Important to Seismic Interpretation: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data
A. R. Gregory
AAPG Special Volumes
... studies show that fluid saturation effects on compressional wave velocity are much larger in low porosity than in high porosity rocks. Shear-wave velocities...
1977
Abstract: The Use of Downhole Gravity Data in Formation Evaluation
Bill R. Jones
GCAGS Transactions
... (1968) and others that the downhole gravity meter is a high precision, large volume, bulk density tool. It is unique in that bulk densities can...
1972
Use of Downhole Gravity Data in Formation Evaluation: ABSTRACT
B. R. Jones
AAPG Bulletin
... in that bulk densities can be measured directly, i.e., with no calibration and in place. The large rock volume measured ensures that the measurements...
1972
ABSTRACT: Gassmann Revisited: Variations in Dynamic Shear Modulus of Carbonate Rocks, by Baechle, Gregor T., Ralf J. Weger, Gregor P. Eberli; #90026 (2004)
Search and Discovery.com
2004
Rock - Soil Transition During Weathering of Rhyolite
John Kuna Raj
Geological Society of Malaysia (GSM)
... by decreasing dry unit weights, dry densities and uniaxial compressive strengths, but increasing apparent porosities. The transition between ‘rock...
2023
Porosity of Unconsolidated Sand, Diatomite, and Fractured Shale Reservoirs, South Belridge and West Cat Canyon Oil Fields, California: Section IV. Exploration Methods
L. A. Beyer
AAPG Special Volumes
... are not a source of the observed differences between the logs in overlying rocks. Erroneously high gamma-gamma densities (low gamma-gamma porosities) deserve...
1987
Acoustic Properties of "Young" Carbonate Rocks, Odp Leg 166 and Boreholes Clino and Unda, Western Great Bahama Bank
J.A.M. Kenter, F.S. Anselmetti, P.H. Kramer, H. Westphal,, M.G.M. Vandamme
Journal of Sedimentary Research (SEPM)
... that shipboard and downhole wireline measurements may not always provide reliable estimates of in situ acoustic velocities, porosities, and densities (e.g....
2002
Porosity Reduction in Sandstone by Quartz Overgrowth
Frederic Leder, Won C. Park
AAPG Bulletin
... into the pore spaces causing a loss of porosity. Basinal fluid velocities may be calculated assuming (1) thermal convection and (2) hydrostatic...
1986
The Technology of the Joint Inversion of Conventional Well Logs for Evaluation of Double Porosity Carbonate Formations; #41942 (2016)
Elena Kazatchenko, M. Markov, A. Mousatov, E. Pervago
Search and Discovery.com
... rocks (pore-size distribution and its network connection) for high and low porosities (Keynon et al., 1989; Song et al., 2002; Kazatchenko et al. 2004...
2016
High-resolution ultrasonic measurements as proxies to resolve clastic reservoir heterogeneity in a salt-cemented gas reservoir
Claudio Miro Filomena, Harald Stollhofen, Kees van Ojik
AAPG Bulletin
..., D., 1992, Ultrasonic compressional and shear velocities in dry clastic rocks as a function of porosity, clay content, and confining pressure...
2012
ABSTRACT Oil Generation as the Dominant Overpressure Mechanism in the Dongying Depression Bohai Bay Basin China, #90104 (2010)
Guo Xiaowen; He Sheng; Liu Keyu
Search and Discovery.com
... in China. The mudstones and oil shales of the Eocene Shahejie Formation (Es3 and Es4) are the major source rocks dominated by Type I kerogens with TOC...
2010
Generation and evolution of overpressure caused by hydrocarbon generation in the Jurassic source rocks of the central Junggar Basin, northwestern China
Xiaowen Guo, Sheng He, Keyu Liu, Zhi Yang, Shengqiang Yuan, and Mingliang Liu
AAPG Bulletin
...Generation and evolution of overpressure caused by hydrocarbon generation in the Jurassic source rocks of the central Junggar Basin, northwestern...
2019
Seismic Modeling of an Early Jurassic, Drowned Carbonate Platform: Djebel Bou Dahar, High Atlas, Morocco (1)
A. EWAN CAMPBELL and JAN STAFLEU
AAPG Bulletin
... a geometric model from building blocks comprising particular rock types. We estimated P-wave velocities and bulk densities of these lithologies from...
1992
Use of Pore Pressure Modeling to Constrain Seismic Velocities
Search and Discovery.com
N/A
Recursive Inversion and Attribute Analysis of 3D Seismic Data Over a Four-Way Dip Structure, Gulf of Thailand
S. Thanatit, S. Ronghe
Indonesian Petroleum Association
..., the area of high porosities (31 - 35 %) and low velocities (2200 - 2400 m/s, see Figure 12) is split into two by an area of slightly but consistently...
1999
Risk Reduction for Prospecting in the Unconventional Niobrara Play
Tony Rebec, Marino Pareja
Unconventional Resources Technology Conference (URTEC)
...- and S-wave velocities (anisotropy) and their associated properties (i.e. reflectivities, impedances), are used in the qualitative estimation of the natural...
2013
Variations of Density and Porosity with Depth in Deep-sea Sediments
Edwin L. Hamilton
Journal of Sedimentary Research (SEPM)
...) environment; sediment densities, porosities, sound velocities, and velocity ratios End_Page 297------------------------ TABLE A-2a. Abyssal plain...
1976
Title Page
AAPG Special Volumes
...Title Page 1979 I I M 28: A Color Illustrated Guide to Constituents, Textures, Cements, and Porosities of Sandstones and Associated Rocks Use the PDF...
1979