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The AAPG/Datapages Combined Publications Database
Showing 18,764 Results. Searched 200,357 documents.
An Incipient Boundary of a Dispersive Terrane in the Asian Continent
Gao Ming-Xiu
Circum Pacific Council Publications
... of the zone are as follows. 1. Seismicity zonation can be described by distri bution of earthquake epicenters with different magnitude in different periods...
1990
Depositional Environments Defined by Dipmeter Interpretation
J. A. Gilreath, J. S. Healy, J. N. Yelverton
GCAGS Transactions
... of dip magnitude in a formation is the key by which the depositional water depth is interpreted to be shallow (less than 50 feet deep), medium, or deep...
1969
New View of North Texas Earthquakes
B. Rader
GCAGS Transactions
... in magnitude and frequency from 2011 through mid–2015. Wastewater injection through salt water disposal wells has been tied to inducing these earthquakes...
2021
Ground motion seismic surface wave of the 2015 shallow strong earthquake at Ranau central zone seismically active region, Sabah, Malaysia
Bailon Golutin
Geological Society of Malaysia (GSM)
... an active region and is well known by shallow earthquakes with historical moderate magnitude of earthquake. The first moderate local earthquake...
2018
Vertical Net Sandstone Determination for Isopach Mapping of Hydrocarbon Reservoirs: DISCUSSION
V. Hepp
AAPG Bulletin
... true dip in magnitude and azimuth, whereas Pennebaker's expression requires knowledge of apparent bed dip angle. Let us consider the following...
1973
Abstract: Ice and High-Magnitude Climate Change in Equatorial Pangaea; #90063 (2007)
Search and Discovery.com
2007
Abstract: Utilizing b-values and Fractal Dimension for Characterizing Hydraulic Fracture Complexity; #90172 (2014)
Ted Urbancic, Adam Baig, Sheri Bowman
Search and Discovery.com
... magnitude distribution parameters (occurrence rate of seismic activity and b-values) and associated fractal dimension. The b-value Figure 1. Distribution...
2014
NepalEEW: Testing the feasibility of an earthquake early warning system in Nepal
Vaclav M. Kuna
International Meeting for Applied Geoscience and Energy (IMAGE)
.... In 2015, a magnitude 7.8 earthquake hit Nepal, claiming about 9000 human lives and leaving many homeless. Yet, even larger earthquakes are likely...
2022
Abstract: Fault Activation During Hydraulic Fracturing; #90172 (2014)
S. C. Maxwell, M. Jones, R. Parker, S. Leaney, M. Mack, D. Dorval, D. D'Amico, J. Logel, E. Anderson, K. Hammermaster
Search and Discovery.com
.... Investigation of the frequency-magnitude characteristics during the pumping phase were consistent with other hydraulic fracture results, although...
2014
Abstract: Felt Seismicity Related to Hydraulic Fracturing; #90187 (2014)
Adam M. Baig, Ted Urbancic, Gisela Viegas, Jason Hendrick, Eric von Lunen, and Sean Lovric
Search and Discovery.com
... to generate seismic events, most of these events are very small magnitude and are of great use when recorded by a properly calibrated array of geophones...
2014
Rock Fabric and Microseismic: an Integrated Approach; #41522 (2015)
Martin Haege, Shawn Maxwell, Lars Sonneland, Mark Norton
Search and Discovery.com
...). The magnitude of the rotation of the 3D normal vector field captures subtle changes in seismic reflections and hence subtle changes in the imaged...
2015
Rapid Analysis of Offset Well Pressure Response during Fracturing: Distinguishing between Poroelastic, Hydraulic and Frac-Hit Responses in Field Data Using Pattern Recognition
Puneet Seth, Brendan Elliott, Mukul M. Sharma
Unconventional Resources Technology Conference (URTEC)
...). The script then automatically determines the magnitude of pressure response as well as the type of pressure interference - “purely-poroelastic”, “mixed...
2020
Abstracts: Using Seismic Source Parameters to Characterize Reservoir Deformation; #90173 (2015)
Marc Prince, Adam Baig and Ted Urbancic
Search and Discovery.com
... is performed in order to locate events and calculate first order characteristics of the fracturing processing (e.g., magnitude). Beyond this initial...
2015
Magnitude of Tectonic Uplift Events Along Passive Margins Estimated from Analysis of Base-Level Governed Erosion Surfaces, by Johan M. Bonow and Peter Japsen, #40414 (2009).
Search and Discovery.com
2009
A New Dip Logging Method
F. G. Boucher
Tulsa Geological Society
... which the magnitude and direction of bore hole inclination can be determined. This information is necessary to correct dip measurements to obtain...
1951
The Angular Deviation of Paleocurrent Directions as Applied to the Calculation of Channel Sinuosities
J. P. Le Roux
Journal of Sedimentary Research (SEPM)
... and published a graph plotting the circular standard deviation for the wrapped normal distribution against the vector magnitude as determined by vector...
1994
Electric-Log Characteristics of Diapiric Shale
J. A. Gilreath
AAPG Special Volumes
... to the position of the well. As the shale diapir is approached from above, normal bedding-plane dips (away from the apex) increase in magnitude--just...
1968
Abstract: Magnitude and Timing of Displacement on San Andreas Fault in Southern California and Its Palinspastic Implications, by P. L. Ehlig; #90972 (1976).
Search and Discovery.com
1976
Graphic Solution of Strike and Dip from Two Angular Components: GEOLOGICAL NOTES
L. L. Nettleton
AAPG Bulletin
... of determining the strike and dip from two or more components. The problem is identical with that of determining the direction and magnitude of any...
1931
Analysis of intraplate earthquake dynamics on the North West Shelf, Australia: new strike-slip focal mechanisms
V. Holloway, M. Keep
Petroleum Exploration Society of Australia (PESA)
..., tectonics, NWS, earthquakes focal mechanisms Abstract Introduction The recent 6.6 Mww magnitude earthquake on the North West Shelf of Australia (14 July...
2019
Less is more uncertainty in rock properties
David Rajmon
GEO ExPro Magazine
... uncertainties, the magnitude of Pc remained largely unconstrained. The calculated Pc was no more accurate than a hand-drawn line on a graph basically...
2024
Relationship of Structural Plans of the Sedimentary Cover and the Surface of the Basement of Eastern Cis-Caucasus
G. M. Geysherik, Yu. N. Shvemberger
Petroleum Geology: A Digest of Russian Literature
.... Figure 1. Distribution of local uplifts of the Eastern Cis-Caucasus (a); graph of relationship of magnitude of interval of structural expression to depth...
1977
Lift Forces on Suspended Sediment Particles in Laminar Flow: Experiments and Sedimentological Interpretation: NOTES
John B. Southard
Journal of Sedimentary Research (SEPM)
... In the absence of a theoretical solution, dimensional analysis puts into perspective the effects of the several variables that govern the magnitude...
1971
ABSTRACT: Impact of Heart Flux Anomalies on Hydrocarbon Maturity Around Salt Diapirs and Salt Sheets in Gulf Coast: Models and Observations, by J. J. O'Brien and I. Lerche; #91036 (2010)
Search and Discovery.com
2010
Abstract: UKM Geophysics: Past, Present and Future
Mohd Hariri Arifin
Geological Society of Malaysia (GSM)
... are the 1650 km long Sumatran fault and the Philippines plate. In addition, several earthquakes due to local active faults with the maximum moment magnitude...
2023