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The AAPG/Datapages Combined Publications Database

Showing 17,424 Results. Searched 190,729 documents.

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Dip Sequence Analysis Utilizing Statistical Curvature Analysis: A Case Study on Complex Strata of the Late Middle Miocene Formation in Akita Basin, Onshore Japan, #42346 (2019).

Sarvagya Parashar, Ivan Zhia Ming Wu, Saki Shimada, Hideo Komatsu, M.S Iyer, Lee Chung Yee,

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... bedding dips or low magnitude consistent bedding are selected and filtered out to interpret only the transverse section of the wellbore and to define...


Well Stimulation Seismicity in Oklahoma: Cataloging Earthquakes Related to Hydraulic Fracturing

Julie E. Shemeta, Colin Edward Brooks, Charles Clifford Lord

Unconventional Resources Technology Conference (URTEC)

... magnitude is <2. Assigning individual seismic events to a single nearby well further culled the dataset to 333 wells with hydraulic fracturing...


Seismicity of South East Asia: January … March 2005

Che Noorliza Lat

Geological Society of Malaysia (GSM)

... Earthquake Information Centre's web data from January ti ll March of 2005. The study focuses on magnitude and depth distributions, and how the seismicity...


Earth Stress and Seismic Hazard from the Size-Frequency Distribution of Seismic Events, #70278 (2017).

Sherilyn Williams-Stroud, Graham Yielding

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...-Richter Law (related to the parameter m in the 1939 Ishimodo-Iida relation) is used to describe the power-law relationship between the magnitude...


Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 2: Modelling Results; #90171 (2013)

Arnim B. Haase and Robert R. Stewart

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... rotation between the two. Depth dependence of magnitude spectra in these two depth regions is distinctly different. Log magnitude spectra show a linear...


Shifting of Compaction Trend in the North Sumatra Basin and its Implication to Overpressure Estimation in the North Sumatra Basin

Mohammad Syaiful, Darius G. Siahaan, Lambok M. Hutasoit, Agus M. Ramdhan, Agus Haris Widayat, Irawan Youdha Tribuana

Indonesian Petroleum Association

... in this basin is mostly located near top of Baong Formation. The previous researchers notice the difficulty of predicting the magnitude of overpressure...


Abstracts: Microseismic Network Design: Estimating the Number of Detected Events During Hydraulic Fracturing; #90173 (2015)

Shawn Maxwell

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... the microseismic data. These design studies typically include estimates of the expected source location accuracy and the minimum expected magnitude...


The Problem of the Random Earthquake in Seismic Hazard Analysis: Wasatch Front Region, Utah

James C. Pechmann, Walter J. Arabasz

Utah Geological Association

... median magnitude of 5.8, and (for example) the Boore and others (1993) attenuation relation for peak horizontal acceleration (PHA), we calculate...


Filtering of Depositional Events and the Completeness of Sedimentary Sequences

Kevin D. Crowley

Journal of Sedimentary Research (SEPM)

... preserved decreases exp nentially and the completeness of the record of depositional events decreases linearly; and (2) low-magnitude events...


Modeling Anisotropy in Computer Mapping of Geologic Data: Chapter 7

Gregory Kushnir, Jeffrey M. Yarus

AAPG Special Volumes

... of the long axis of the ellipse (LEI), and 2. The magnitude of anisotropy -- the ratio between the long and short axes of the ellipse. Fig. 1. Lines...


Identifying Frac Growth in Multiple Horizons using Integrated Microseismic and Induced Seismic Monitoring Approaches

Ted Urbancic, Andy Cochrane, Sheri Bowman

Unconventional Resources Technology Conference (URTEC)

... be used to identify growth from the upper to lower horizon at different pressure rates. The occurrences of larger magnitude events appeared to precede...


Abstract: Estimating the Spectra of Small Events for the Purpose of Evaluating Microseismic Detection Threshholds; #90174 (2014)

N. Ackerley

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... magnitude event which we will be able to detect?” In order to answer this question, of course, to have reliable estimates of the spectrum of typical ground...


Abstract: The Effect of Microseismic Array Configuration on the Determination of Hydraulic Fracture Parameters; #90172 (2014)

Adam Baig, Ted Urbancic, Margaret Seibel

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..., Calgary, Alberta, Canada, May 10-14, 2010 Figure 1. The distribution of 408 events located from three toolstrings Figure 2. The magnitude-distance...


Method of Analysis of Cuttings for Study of Lithology

B. K. Proshlyakov, K. A. Lu, V. I. Gushchin, R. N. Shinina

Petroleum Geology: A Digest of Russian Literature

... in the section, and the moment of appearance of these rocks is established in order to determine the magnitude of the lag (R). This is understood...


Seismicity of South East Asia: April … June 2005

Che Noorliza Lat

Geological Society of Malaysia (GSM)

... also focuses on magnitude and depth distributions, and how the seism icity is related to the tectonic features in the area. The seism icity pattern...


Which anomaly should I drill? Using spatial statistics to inform exploration in covered IOCG terranes

Laszlo Katona*, Adrian Fabris

Petroleum Exploration Society of Australia (PESA)

...-Gold Province. The Anselin Local Morans I method was used to delineate geographic regions based upon spatial clustering of high magnitude anomalies...


Natural Beta Activity of Oils and Host Rocks of the Lelyakov Field

G. P. Shkrebta

Petroleum Geology: A Digest of Russian Literature

... of horizon P-1 plus 2 of the Permian of the Lelyakov field. 1-Number of well in numerator, magnitude of radioactivity imp/min in denominator; 2-structure...


Stratigraphic Discodances in Devonian Sediments in Region of Junction of Russian Platform, North Caspian Depression, and Cis-Ural Foredeep

S. P. Makarova, N. N. Yakhimovich

Petroleum Geology: A Digest of Russian Literature

... with the beginning of a new structural stage. Figure 1 is a map showing breaks in stratigraphic succession, and figure 2 indicates magnitude...


Determining Maximum Horizontal Stress with Microseismic Focal Mechanisms - Case Studies in the Marcellus, Eagle Ford, Wolfcamp

Alireza Agharazi

Unconventional Resources Technology Conference (URTEC)

... of this paper without the written consent of URTeC is prohibited. Summary The field stress parameters, direction and magnitude of horizontal...


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