A novel approach to investigate the deposition of (bio)chemical sediments: The sedimentation velocity of cyanobacteria–ferrihydrite aggregates

Yuhao Li, Bruce R. Sutherland, Murray K. Gingras, George W. Owttrim, Kurt O. Konhauser

Journal of Sedimentary Research (SEPM)

...A novel approach to investigate the deposition of (bio)chemical sediments: The sedimentation velocity of cyanobacteria–ferrihydrite aggregates Yuhao...

The Interpretation of Vertical Sequences in Turbidite Beds: The Influence of Longitudinal Flow Structure

Benjamin C. Kneller, William D. McCaffrey

Journal of Sedimentary Research (SEPM)

... of a bed is generally an indication of the longitudinal velocity structure of the flow, and longitudinal gradients in suspended sediment concentration...

Bed Configurations

J. C. Harms, J. B. Southard, D. R. Spearing , R. G. Walker

Special Publications of SEPM

... is the most natural. strength, either flow velocity or force exerted by the flow on the boundary. Flow depth is certainly a less important variable than flow...

The Use of Physical Modeling to Resolve Offshore Seismic Problems

B. J. Evans, M. Urosevic

Indonesian Petroleum Association

... at variable offsets, and at broadside azimuths to the receiver array. After particle motion and velocity analysis, the waves shown in Figure 3b were...

A Simple Universal Equation for Grain Settling Velocity

R.I. Ferguson, M. Church

Journal of Sedimentary Research (SEPM)

..., U.K., Pergamon, 290 p. Background The velocity with which particles of specified size settle in water is a fundamental variable in physical sedimentology...

Simulation of seismic waves in the fluid-solid coupled thermoelastic medium

Sen Yang, Guochen Wu, Junzhen Shan, Hongying Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the heat conduction equation derived from CTE theory contradicts special relativity, contrary to the fact that waves propagate within a finite velocity...

Time to Depth Conversion and Uncertainty Characterization for SAGD Base of Pay in the McMurray Formation, Alberta, Canada, #80360 (2014)

Amir H. Hosseini, Hong Feng, Abu Yousuf, Tony Kay,

Search and Discovery.com

...) and Kriging with External Drift (KED) are applied, and the calculation of a linear velocity model is exercised. The results show the range and structure...

Optimization of the Proppant Placement Through the Perforations in Multistage Hydraulic Fracturing: A Laboratory-scale Experimental Investigation

Nadia Mouedden, Aimen Laalam, Harry Feilen

Unconventional Resources Technology Conference (URTEC)

...: 𝑉𝑠 s F 𝐶𝑣 𝑑𝑝 g 𝐷 Minimum transport velocity, (m/s); Ratio of particle and fluid densities; Dimensionless variable; Volumetric proppant...

Competence of Fine-grained Debris Flows

Monty A. Hampton

Journal of Sedimentary Research (SEPM)

... be uniform throughout the zones of shear if competence is independent of velocity (Figs. 7-9; eq. 10), but variable if competence is variable at low...

Chapter 8: Petrophysical Characteristics of the Ivie Creek Case-Study Area - Geological and Petrophysical Characterization of the Ferron Sandstone for 3-D Simulation of a Fluvial-Deltaic Reservoir (MP-02-6)

R.D. Jarrard, M.A. Chan, C.B. Forster, S.H. Snelgrove

Utah Geological Survey

... of the spatially variable permeability field within the delta fronts, to investigate how geological processes control the spatial distribution...

Well Log Prediction Using Machine Learning

Sundeep Sharma

Oklahoma City Geological Society

..., and A. R. Gregory. “Formation velocity and density—The diagnostic basics for stratigraphic traps.” Geophysics 39.6 (1974): 770-780. Every geoscientist...

The Importance of Overburden and Pore Pressure on Horizontal Stress Magnitude Determination; an Example from the Delaware Basin

Kristen Kozlowski, Melia Da Silva, David Brown, Jack Taylor, Heather Willems, Tim Watson, Don Burch, Trevor Hutton, Chris Christensen, Mohan Manohar

Unconventional Resources Technology Conference (URTEC)

... are of variable quality and certain intervals do not contain enough shale velocity points to be reliable. Therefore, in intervals such as the upper Bone Spring...

Rock Physics Diagnostics as a Prerequisite for Optimal Petrophysics

Akash Mathur, Hilfan Khairy

Indonesian Petroleum Association

... the variable porosityvelocity relationship for different types of formations attributed to post depositional processes. Without performing proper rock...

Seismic Imaging of the Overturned Limb of a Footwall Syncline in the Alberta Foothills of the Canadian Rocky Mountains and Its Impact on Exploration; #30533 (2017)

Andrew C. Newson

Search and Discovery.com

... Canada is all in the public domain after a variable confidentiality period. For this project the public well data was used to extract location, deviation...

Acostic Velocities, Synthetic Seismograms, and Lithologies of Thrusted Precambrian Rocks, Rocky Mountain Foreland

R. Randy Ray, Robbie Gries, James W. Babcock

Rocky Mountain Association of Geologists

... at the thrust boundary between Precambrian rocks and underlying sedimentary rocks. Reflections in the Precambrian have been associated with both velocity...

RhoVe Method II: Empirical Density-Temperature-Effective Stress Transform, #42300 (2018).

Matt Czerniak,

Search and Discovery.com

... ([email protected]) Abstract The rhob-velocity-effective stress (RhoVe) method represents an empirical approach to pore pressure analysis...

Acoustic Velocity Modeling of Unconventional Reservoirs

Alessandra Simone, Lori Hathon, Michael Myers

Unconventional Resources Technology Conference (URTEC)

...Acoustic Velocity Modeling of Unconventional Reservoirs Alessandra Simone, Lori Hathon, Michael Myers URTeC: 2667 Acoustic Velocity Modeling...

Elastic FWI for large impedance contrasts

Zedong Wu, Zhiyuan Wei, Zhigang Zhang, Jiawei Mei, Rongxin Huang, Ping Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... contrasts such as salt, despite its presently taken acoustic assumption. This has resulted in a leap in salt velocity model building over...

Numerical Modeling of Ooid Size and the Problem of Neoproterozoic Giant Ooids

Dawn Y. Sumner, John P. Grotzinger

Journal of Sedimentary Research (SEPM)

... be transported highly variable over short times. In a real system, velocity changes continuously and ooids are transported for variable distances; this might...

Wave-Formed Sedimentary Structures„A Conceptual Model

H. Edward Clifton

Special Publications of SEPM

... Geological Survey California 94025 ABSTRACT produced by shoaling waves can be integrated into a conceptual model based on velocity um velocity asymmetry d...

The Fish Scales, a Hybrid Shale Gas Play … Characterization, Regional Extent and Controls on Productivity

Search and Discovery.com

... and variable mineralogy, complicating log interpretations. However, detailed geological, mineralogical and geochemical as well as modern log data have...

High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach

Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal

Indonesian Petroleum Association

...) a fan-mode streamer configuration designed to minimize the need for infill and therefore further reduce survey duration. In an area of variable...

Quality Data at a Reduced Price: Innovative Approaches in 3-D Acquisition and Processing

Mars E. Semaan, Michel F. Bee, Maryanto, Gerard Dufourd, Eddy A. Sentani

Indonesian Petroleum Association

..., the traditional design would have dictated a constant bin sizes of 7.5 * 15 m for the entire survey. The variable bin sizes presented here resulted in a 57...

Abstract: Point Receiver Acquisition and Processing for Arctic Near Surface Challenges; #90171 (2013)

C. Strobbia, A.Glushchenko, A. Laake, P.L.Vermeer, S. Papworth, and Y. Ji

Search and Discovery.com

... and melted areas, and large statics. The properties of coherent noise can be highly variable, too. Surface water bodies ice covered induce low velocity...

Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... variable space and time lag imaging methods, have been used for depthfocusing analysis (DFA) for migration velocity analysis (MacKay and Abma, 1992...