Focal Mechanism Determination and Stress Inversion for Induced Seismicity Related to Shale Gas Hydraulic Fracturing

Yuyang Tan, Jun Hu, Zhengguang Zhao, Lei Li

Unconventional Resources Technology Conference (URTEC)

... for determining the focal mechanisms show a good signal-to-noise ratio. Therefore, we consider that the effect of the noise is negligible and only investigate...

Coupling Spatial and Frequency Uncertainty Analyses in Reservoir Modeling: Example of Judy Creek Reef Complex in Swan Hills, Alberta, Canada

Y. Zee Ma, Andrew Seto, Ernest Gomez

AAPG Special Volumes

..., Canada: AAPG Bulletin, v. 52, no. 1, p. 2156.Jones, T. A., and Y. Z. Ma, 2001, Geologic characteristics of hole-effect variograms calculated from...

Some Applications and Problems of the Seismic Refraction Technique in Civil Engineering Projects in Malaysia

B. K. Lim, S. J. Jones

Geological Society of Malaysia (GSM)

... to the true velocity of the underlying bedrock, the effect of weathered materials can be expected to be very minor. Fig. 5 shows an interpreted seismic...

Moho, Basin Dynamics, Salt Stock Family Development, and Hydrocarbon System Examples of the North German Basin Revisited by Applying Seismic Common Reflection Surface Processing

Heinz-Juergen Brink, Dirk Gajewski, Mikhail Baykulov, Mi-Kyung Yoon

AAPG Special Volumes

... display a considerably improved signal-to-noise ratio and much more detail than the common midpoint processing (CMP) of the 1980s. Moreover, a velocity...

Analytics, Machine Learning, and AI for Independent Petroleum Geologists and Independt Oil and Gas Companies: Successful Case Study, Rodessa Oil Pool, Martinville Field, Simpson County, Mississippi

Bill Fairhurst

GCAGS Journal

... the statistical model is failing to be a good statistical inference for the population being modeled. The “noise or random fluctuations in the training...

Paleoenvironmental and paleoclimatic implications of enhanced Holocene discharge from the Mississippi River Based on the sedimentology and geochemistry of a deep core (JPC-26) from the Gulf Of Mexico

Efthymios K. Tripsanas, Aristomenis P. Karageorgis, Ioannis P. Panagiotopoulos, Eleni Koutsopoulou, Theodore D. Kanellopoulos, William R. Bryant, Niall C. Slowey

PALAIOS

... cal ka, providing additional evidence that the geochemical record of the current study does not represent random noise but it is indeed associated...

High-Frequency Detrital Signals in Eocene Fan-Delta Sandstones of Mixed Parentage (South-Central Pyrenees, Spain): A Reconstruction of Chemical Weathering in Transit

G. J. Weltje, S. O. K. J. Van Ansenwoude, P. L. De Boer

Journal of Sedimentary Research (SEPM)

..., The effect of grain size on detrital modes: a test of the Gazzi-Dickinson point-counting method: Journal of Sedimentary Petrology, v. 54, p. 103-116...

Mechanism of Plagioclase Albitization

Karl Ramseyer, James R. Boles, Peter C. Lichtner

Journal of Sedimentary Research (SEPM)

.... The calculations predict that 1) An-rich plagioclase is less stable than An-poor plagioclase, and 2) plagioclase with a random Al/Si distribution is less...

Gravity Anomalies and Passive Continental Margins, Canada and Norway

L. W. Sobczak

CSPG Special Publications

... over the continental break without any noise due to edge or background effects. Calculation of the gravity effect of a Tertiary sedimentary wedge...

Modeling the Effect of a Natural Fracture Network and its Properties on Multi-Stage Stimulation

Branko Damjanac, Maurilio Torres, Christine Detournay

Unconventional Resources Technology Conference (URTEC)

...Modeling the Effect of a Natural Fracture Network and its Properties on Multi-Stage Stimulation Branko Damjanac, Maurilio Torres, Christine Detournay...

The Movement of Gravel by the Alga Fucus Vesiculosus (L.) on an Arctic Intertidal Flat

Robert Gilbert

Journal of Sedimentary Research (SEPM)

... of environmental factors (Schwenke 1971), including exposure to waves and ice. Nevertheless, in this sample collected at random from the intertidal...

Predicting Subseismic Fracture Density and Orientation in the Gorm Field, Danish North Sea: An Approach Using Elastic Dislocation Models, #20321 (2015).

Brett Freeman, David Quinn, Cathal G. Dillon, Michael Arnhild, Bastiaan Jaarsma

Search and Discovery.com

... in coefficient of internal friction between 0.2 and 1.0 (0.55 being preferred) 25 Model cofigurations Vary the impact of salt: No effect, half...

AVO and Inversion Contribute to Makassar Exploration Efforts

William L. Soroka, Herry Andiarbowo, Anung Widodo

Indonesian Petroleum Association

... to determine the effect of fluids on the AVO results. Mobil's patented AVO process uses the following first order approximation to the Zoeppritz equation: Ap(Θ...

Mapping of Microbial Habitats in Organic-Rich Shale

E. Buchwalter, A. Swift, J. Sheets, D. Cole, T. Prisk, L. Anovitz, J. Ilavsky, M. Rivers, S. Welch, S. Chipera

Unconventional Resources Technology Conference (URTEC)

.... To compensate for noise, the option for selecting non void-containing material is selected, highlighting individual grains of carbonate or pyrite...

Audiomagnetotelluric Investigation of Snake Valley, Eastern Nevada and Western Utah

Darcy K. McPhee, Keith Pari, Frank Baird

Utah Geological Association

... than 0.75 were removed prior to inversion to optimize data quality. Anthropomorphic noise, such as power lines, power generators, moving vehicles...

Near Surface Characterization of the Baton Rouge and Scotlandville Faults, East Baton Rouge Parish, Louisiana

Angela M. Thomas, Jeffrey A. Nunn

GCAGS Transactions

..., T. L., and R. K. Gabrysch, 1987, Effect of water-level recoveries on fault creep, Houston, Texas: Ground Water, v. 25, p. 392-397. Lovelace, J. K...

Use of Dipmeter Data in Clastic Sedimentological Studies (1)

C. HOCKER , K. M. EASTWOOD , J. C. HERWEIJER , and J. T. ADAMS

AAPG Bulletin

... examples, we give general guidelines for processing of and noise removal from SHDT data to obtain satisfactory geological information. Foreset dips...

Experimental and Theoretical Investigation of the Confinement Effect on Gas Properties in Nano-scale Porous Media

Shadi Salahshoor, Mashhad Fahs

Unconventional Resources Technology Conference (URTEC)

...Experimental and Theoretical Investigation of the Confinement Effect on Gas Properties in Nano-scale Porous Media Shadi Salahshoor, Mashhad Fahs...

Search and Discovery

Search and Discovery.com

Indonesian Petroleum Systems, Reserve Additions and Exploration Efficiency

J. V. C. Howes, Suherman Tisnawijaya

Indonesian Petroleum Association

... and discovery process curves. Three basic patterns in the discovery process curves are recognized. The classic upwardly convex curve reflects the effect...

Using Stage Level Microseismic Analysis to Gain Insight Into Fracture Efficiency and Completion Effectiveness

Iris Haihong Wang, Ryan Fairfield, James Courtier, Danny Gray, Shawn Lee

Unconventional Resources Technology Conference (URTEC)

... is a parameter which exhibits a strong influence on the resulting estimate. To illustrate its effect, we take a simulated random sample from the standard...

The Origins of Shallow-Water Carbonate Lithofacies Thickness Distributions: 1D Forward Modelling of Factory Type and Relative Sea-Level Control; #40794 (2011)

Peter Burgess, David A. Pollitt, and Terry Scarrott

Search and Discovery.com

... is an important control on exponential distributions • Perhaps because it is an effectively random effect?. • Exactly the same parameters as MS4 except...

4D Seismic … Status and Future Challenges

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... column approaches zero. When water replaces oil, this effect is much weaker, and hence a strong 4D anomaly is observed, even for reservoir thicknesses...

Identifying Fracture Zones in the Austin Chalk

D. J. Bafia, T. W. Spencer

Bulletin of South Texas Geological Society

... lobe of f(t), 12 ms, 2) interval between maximum troughs, 16 ms, and 3) 8 ms, in order to test if noise had an effect on the samples at the first axis...

Environmental Health in Petroleum Operations

Oemar Fauzy, Roland Siregar

Indonesian Petroleum Association

... yielded a multiplier effect in developing the community. With the construction of roads, schools and other facilities in the area, the infrastructure...