Inner-Shelf to Lower-Shoreface Hummocky Sandstone Bodies with Evidence for Geostrophic Influenced Combined Flow, Lower Cretaceous, West Greenland

Helle H. Midtgaard

Journal of Sedimentary Research (SEPM)

...-lamination, and low-angle cross-stratification are closely interbedded within the sandstone. aminated mudstone beds (10-60 cm thick) separate...

Structures in the Moist, Cold-Climate Sand Dunes of Southwestern Wyoming

James R. Steidtmann

Wyoming Geological Association

... Stratification Inasmuch as angle-of-repose bedding is common in some modern eolian dune sands (McKee, 1966; Bigarella, et al., 1969), the lack of it is often...

Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"

Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng

Indonesian Petroleum Association

... as an anisotropic medium. Many common types of anisotropic media can be approximated by sequences of isotropic layers with the seismic propagation...

Internal Geometry and Origin of Vegetated Coastal Sand Dunes

Victor Goldsmith

Journal of Sedimentary Research (SEPM)

... that the high-angle dips form as pyramidal wind shadow dunes via slip-face accretion behind large vegetation hummocks, which results in the distinct...

Abstract: AVO Crossplotting I: Processing and Calibration Considerations; #90171 (2013)

Heath Pelletier

Search and Discovery.com

... the same offset range. Another way of expressing this is: as time increases the angle of incidence range decreases. A common misunderstanding...

Abstracts: S-wave Attenuation within the Weathering Layer of an Alberta Heavy Oil Field; #90173 (2015)

Kristof De Meersman

Search and Discovery.com

... property regarding refractions in general is that they reach the receivers at a common propagation angle (i.e. as a plane wave). This is true for receivers...

Evaluating Seal Capacity of Cap Rocks and Intraformational Barriers for CO2 Containment

Richard F. Daniel, John G. Kaldi

AAPG Special Volumes

...) (Robin, 2001). Wettability can be evaluated by several methods. The most common method is based on contact angle measurements of the immiscible phase (oil...

What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

... at a low angle, in the same way as we look for reflections in poor data. The separation between diffraction patterns is the information which gives...

Trishear Kinematic Modeling of Structures, with Examples from the Neuqun Basin, Argentina

Richard W. Allmendinger, Toms Zapata, Ren Manceda, Francisco Dzelalija

AAPG Special Volumes

... angle, as well as multiple faults in a single section. The resulting forward models simulate characteristics of real structures very well. Our six...

Ostracoda from Basal Arkadelphia Marl Exposures Near Hope, Arkansas

Hubert C. Skinner

GCAGS Transactions

... 22. Length 0.91 mm., height 0.65 mm. Remarks: This species is common throughout the lower Arkadelphia. It is reported by Alexander to range through...

Numerical Analysis of the Design of a Subsea Gas Pipe Route Passing a Thrust Fault Using the Finite Element Method

Fatma Dewi Sinurat, Ir. Dr. Arianta

Indonesian Petroleum Association

... in detail with a parametric study of the variation in the angle of the pipe passing through the fault line and the impact of various earthquake...

Wind-Oriented Gastropod Shells as Indicators of Paleowind Direction: NOTES

J. Mark Erickson

Journal of Sedimentary Research (SEPM)

...; it is apparently being replaced by the extremely common imported species Helix aspersa Muller which arrived in the United States sometime in the early or middle...

Wettability Alteration and Improved Oil Recovery in Unconventional Resources

Fabio Bordeaux Rego, Esmail Eltahan, Kamy Sepehrnoori

Unconventional Resources Technology Conference (URTEC)

... state of the reservoir. Third, we validate our method on zeta-potential, contact angle, and imbibition data from a previously published study using...

Space Shuttle Radar Images of Indonesia

Floyd F. Sabins, John P. Ford

Indonesian Petroleum Association

... hundreds of kilometers long and up to 50 kilometers wide, 2) penetration of clouds and rain, 3) inclined illumination angle enhances subtle...

Recording Shear-Wave Data in P-Wave Seismic Programs, by Bob Hardage, #40701 (2011)

Search and Discovery.com

Basement-Controlled Deformation in Wyoming Province of Rocky Mountains Foreland

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

AAPG Bulletin

..., gave rise to the common appelation "basement complex." Many local studies of the exposed basement within the Wyoming Province have been made...

Frequency vs Azimuth (FVAZ): the Younger Member of the Family of Seismic Driven Fracture Characterization Methods

Juan Tavella, Victoria Lazzari, Marcelo Frydman, Néstor Herrera

Unconventional Resources Technology Conference (URTEC)

.... Introduction Seismic information with adequate incident angle/azimuth content, if properly processed, makes possible through inversion techniques to infer...

Common Sense Sequence Stratigraphy

Ashton F. Embry

CSPG Special Publications

...Common Sense Sequence Stratigraphy Ashton F. Embry 1997 92 92...

Analysis of Water-Level Rise Effects on Littoral Transport

C. R. Berquist , W. F Tanner

GCAGS Transactions

... evaluation of the effects of changes in wave height, wave period, wave approach angle, bottom slope and water depth, on beach erosion. This work...

Igneous Rocks from Deep Wells in West Texas: GEOLOGICAL NOTES

Leroy T. Patton

AAPG Bulletin

...Igneous Rocks from Deep Wells in West Texas: GEOLOGICAL NOTES Leroy T. Patton 1945 1028 1034 29 7. (July) It is becoming increasingly common...

SEM, XRD, CL, and XF Methods: Part 5. Laboratory Methods

J. B. Thomas

AAPG Special Volumes

... a 1.54A wavelength, is used to irradiate a powdered sample. The incident angle q (theta) of the diffracted beam and the intensity are recorded...

Abstract: Lower Cretaceous Sequences at Dinosaur Ridge, Jefferson County, Colorado: Facies and Facies Architecture of the Codell Sandstone, Northern Colorado Front Range and Adjacent Denver Basin, CO; #90301 (2017)

Edmund R. Gustason, Topher Lewis, Marshall Deacon

Search and Discovery.com

... sandstone with rare thin beds of planar parallel laminated (SPPL) to low angle laminated (HCS) sandstone and ripple cross lamination over much...

Time-Lapse Prestack Seismic Inversion to Delineate Undrained Reservoirs … Simian Field, Offshore Nile Delta, Egypt, #20428 (2018).

Wael Salah, Islam A. Mohamed and Abdulrahman A. Mohamed

Search and Discovery.com

... onto a common grid. The common grid used was that of the 2014 survey. The two surveys were matched in terms of amplitude, phase and timing through...

Grain Fabric in Hummocky Cross-Stratified Storm Beds: Genetic Implications

R. J. Cheel

Journal of Sedimentary Research (SEPM)

... of the combined flow. However, quasi-cyclic variation in imbrication angle over a broad range and periodic reversal of imbrication direction suggest...

Spatially varying Chi volumes: A study in offshore Australia on background trend calculation from the Shuey two-term approximation

Hayden Powers, Noah R. Vento

International Meeting for Applied Geoscience and Energy (IMAGE)

... is approximately equivalent to the far angle stack. Furthermore, comparison of the SVC results to two other common Chi projections, 30° and 45° (Figure 5...