Geological Aspects of the Quail Creek Dike Failure

Chad Gourley

Utah Geological Association

... in flaws in each stage of the dikes development and operation. Errors contributing to the dike failure included an underestimation of gypsum content...

Deep-Reading Technologies

Kim Gunn Maver, Colin Hulme, Mark McCallum, Ajay Nalonnil

GEO ExPro Magazine

... measured by the receiver array in the other well and then moved to the next location. The goal is to illuminate as much of the subsurface as possible...

Performance of elastic FWI for different wrapping angles of helical fiber in seafloor-deployed DAS

Shogo Masaya, Masanori Tani

International Meeting for Applied Geoscience and Energy (IMAGE)

...., 2023). As illustrated in Figure 1, HWF is a wound fiber around an elastic mandrel with a wrapping angle to theoretically detect both the component along...

Classification of Modern Bahamian Carbonate Sediments

John Imbrie , Edward G. Purdy

AAPG Special Volumes

... of the angle of separation between sample vectors as an inverse measure of similarity, (3) application of factor analysis to determine the minimum number...

Gravity Geophysical Analysis of Spring Locations in a Karstic Desert Basin, Cuatro Cienegas Basin, Coahuila, Mexico

Brad D. Wolaver, John M. Sharp Jr., Juan M. Rodriguez

GCAGS Transactions

... groundwater flow; Part 2, Effect of water-table configuration and subsurface permeability variation: Water Resources Research, v. 3, no. 2, p...

Shallow and Intermediate-Depth Seismicity in the New Hebrides Arc: Constraints on the Subduction Process

Remy Louat, Michael Hamburger, Michel Monzier

Circum Pacific Council Publications

... are shown in Figure 8 (C through L). These differences are not explained by any simple station or propagation effect; neighboring events are recorded...

Gravity and Magnetics for Geologists and Seismologists

L. L. Nettleton

AAPG Bulletin

... salt dome, Harris County, Texas. Contour interval 1.0 mg. Control shown by dotted lines, each dot representing a gravity station location. End_Page...

Basement-Controlled Deformation in Wyoming Province of Rocky Mountains Foreland

John James Prucha , John A. Graham , Richard P. Nickelsen

AAPG Bulletin

...) has a marked effect upon both the angle of shear fracture and the breaking strength when the rock is deformed experimentally at room temperatures...

Resuspension of Estuarine Sediments by Small Amplitude Waves

Franz E. Anderson

Journal of Sedimentary Research (SEPM)

... is to examine small amplitude waves or "surface chop" that is commonly found on bodies of water with relatively small fetch to ascertain the effect of these waves...

VSP Guided Reprocessing and Inversion of Surface Seismic Data

R. Gir, Dominique Pajot, Serge Des Ligneris

Southeast Asia Petroleum Exploration Society (SEAPEX)

... phase rotation of 46 degrees has been applied to the seismic data to reconcile the surface seismic with logs and VSP data at the well location. The gas...

Western Utah Climatography

Dale J. Stevens, R. Clayton Brough

Utah Geological Association

... Position 33 Air-Mass Movement 33 Latitude 33 Altitude 35 Orographic Effects 35 Surface Conditions 35 Weather Station Summaries 35...

Effective flow properties of heterolithic, cross-bedded tidal sandstones: Part 2. Flow simulation

Benoît Y. G. Massart, Matthew D. Jackson, Gary J. Hampson, and Howard D. Johnson

AAPG Bulletin

... parameters has been determined: (1) mudstone fraction, (2) sandstone laminae thickness, (3) mudstone drape continuity, (4) toeset dip, (5) climb angle...

Using X-Ray Fluorescence to Quantify Clay Content in Mudrock and Sandstone Outcrops, #41773 (2016).

Alton A Brown, Russell K. Davies

Search and Discovery.com

..., scratched surface. Battery-powered angle grinders remove most weathering effects, flatten the surface, and leave the surface smooth enough to acquire...

Physical Processes in the Ocean

R. H. Fleming, Roger Revelle

Special Publications of SEPM

... of divergence the upwelling of subsurface water, brought about by the wind, has a marked effect upon the physical conditions and the biological productivity...

Abstract: Study of Multilayered Divergent Wrench-Fault Systems by Using Sandbox Models, by C-W. Lin, M. Friedman, and J. M. Logan; #91004 (1991)

Search and Discovery.com

Crustal Structure, From Gravity Data, Of A Collision Zone in the Central New Hebrides Island Arc

Jean-Yves Collot, Michael A. Fisher

Circum Pacific Council Publications

... responsibl e fo r som e tectonic effect s of the collision , suc h a s comple x structur e i n th e accretionar y wedg e o f th e forearc , upliftin g o f...

Multiscale fault and fracture characterization methods

QiQi Ma, Taizhong Duan

International Meeting for Applied Geoscience and Energy (IMAGE)

... and good identification effect for large fault throw, but it is not effective for the fold-accompanied fault. The second category is based on curvature...

Abstract: TTI Anisotropic Depth Migration: Which Tilt Estimate Should We Use?; #90211 (2015)

Francois Audebert and Volker Dirks

Search and Discovery.com

... reflecting planar facet and study the migration ‘errors’ for different isotropic and anisotropic velocity model. The Intrinsic Properties of a TTI...

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)

... to mitigate the drawback of sparse station coverage in determining the focal mechanism, we used a full-waveform matching method (Li et al., 2011; Tan et al...

Hydroinformatics system for pollutant potential leaching spatial uncertainty assessment

Nazzareno Diodato

Environmental Geosciences (DEG)

...) for the incorporation of measurement errors and change of support in uncertainty leaching modeling that were based on long-term hydrological water...

Rates of Sediment Reworking by Yoldia Limatula In Buzzards Bay, Massachusetts, and Long Island Sound

Donald C. Rhoads

Journal of Sedimentary Research (SEPM)

...) of the Buzzards Bay benthos at sampling station R (lat. 41°30N.; long. 70°31W.). In Long Island Sound Yoldia is 2.3 percent of the benthos at station...

Hydrodynamic Effects on Mission Canyon (Mississippian) Oil Accumulations, Billings Nose Area, North Dakota

Robert R. Berg , William D. DeMis , Alan R. Mitsdarffer

AAPG Bulletin

...., 1985, Hydrodynamics of the Mission Canyon formation in the Billings Nose area, North Dakota: Master's thesis, Texas A&M University, College Station...

Gas-Cap Impact on CO2 Plume Migration for Long-Term Storage in Saline Aquifers

Silvia V. Solano, Jean-Philippe Nicot

GCAGS Transactions

..., University Station, Box X, Austin, Texas 78713-8924 ABSTRACT Injection of CO2 in a hydrocarbon-rich area significantly impacts CO2 plume...

Concentration of Magnetite and Gold at Bar and Reach Scales in a Gravel-Bed Stream, British Columbia, Canada

S. J. Day, W. K. Fletcher

Journal of Sedimentary Research (SEPM)

..., is clearly an important parameter in heavy mineral sorting. Effect of Changes in Bed Roughness In Figure 2 curves similar to those of Figure 1 have...

Abstract: Numerical Model of Microseismicity in Hydrofracturing: Our Prediction for Seismic Moment Tensors; #90172 (2014)

A. Guest, Tony Settari

Search and Discovery.com

... and analyzing microseismic activity (microseismic monitoring). However microseismic monitoring is limited by the cost, location errors and poor...