Variable Speed Drive for Centrifugal Pump Investigation to Optimize Oil and Gas Production

Wisnu Wardana, Fakhrian Abqari

Indonesian Petroleum Association

... at zero flow is called the static head or lift. The other component of head is called the friction head and increases with increasing flow. Friction head...

Large-scale Sand Injection in the Paleogene of the North Sea: Modeling of Energy and Flow Velocities

Davide Duranti

AAPG Special Volumes

..., large waves or tsunamis, etc.); (3) disequilibrium compaction (i.e., the pore-fluid seepage impediment caused by rapid burial by fine-grained sediments...

Abstracts: Nodal Galerkin Methods for Numerical Modelling of Linear Elasticity with Absorbing Boundary Conditions; #90173 (2015)

Matt McDonald, Michael Lamoureux, and Gary Margrave

Search and Discovery.com

... of elastic waves in heterogeneous media based on the weak formulation of the elastodynamic equilibrium equations. The method provides high accuracy...

Occurrence of Megaripples in a Ridge and Runnel System, Sapelo Island, Georgia: Morphology and Processes: DISCUSSION

Robert S. Tye

Journal of Sedimentary Research (SEPM)

... with the following aspects of the process/response model proposed: 1) formation of megaripples by higher than "normal" waves and wind from the northeast...

Abstract: Bin-Share Stacking for 3D Converted Wave Processing; #90174 (2014)

Alex A. Falkovskiy, Robert Tilson, Gerry Schlosser, and Elvis Floreani

Search and Discovery.com

.... This Bin-Sharing method for stacking converted waves allows for keeping the same grid and bin sizes as used for stacking P-P data, with the P-S data...

Abstract: From Salinity-Stressed Suite to Recurring Ethological Grouping: The Rise of the Teichichnus Ichnofacies; #90172 (2014)

S. George Pemberton, Murray K. Gingras, Shahin E. Dashtgard, Kerrie L. Bann, James A. MacEachern

Search and Discovery.com

... that are typified by marked variations in their component ichnogenera. Finally, the progressive evolutionary invasion of reducedsalinity settings through time...

Tides and their seminal impact on the geology, geography, history, and socio-economics of the Bay of Fundy, eastern Canada

Con Desplanque, David J. Mossman

Atlantic Geology

.... However, in shallow water the component waves of the bore are translated into a single wall of water. An estuary generates a bore when the level...

Road Log for the Utah Geological Association 2006 Field Trip – The Geology of Northwest Utah

David E. Tabet, Donald L. Clark

Utah Geological Association

... southbound. 19.7 9.3 Take exit 289 from I-15 onto Bangerter Highway and head westbound. 22.7 3.0 Cross intersection of Bangerter Highway...

Coarse-Grained Storm Beds of the Upper Cretaceous Chungo Member (Wapiabi Formation), Southern Alberta, Canada

Richard J. Cheel, Dale A. Leckie

Journal of Sedimentary Research (SEPM)

.... Very fine sand that is transported offshore in suspension under shoaling swell waves, especially concurrent with an offshore component of a geostrop ic...

Backset Bedding Developed in Shooting Flow in Laboratory Experiments: NOTES

Alan V. Jopling , Everett V. Richardson

Journal of Sedimentary Research (SEPM)

...), and (c) backset bedding, with intercalated layers of horizontal or undular bedding, deposited by flow causing chute and pool bed-forms (fig. 2). However...

The Physical Environment and Primary Productivity of the Gulf of California: Chapter 26: Part V. Physical Oceanography, Primary Productivity, Sedimentology

Saul Alvarez-Borrego, Jose Ruben Lara-Lara

AAPG Special Volumes

..., On the dissolution of carbonate and silicate in the deep ocean: Deep-Sea Research, v. 21, p. 455-480. Fu, L. L., and B. Holt, 1984, Internal waves in the Gulf...

Abstract: Numerical Modeling for Different Types of Fractures; #90187 (2014)

Xiaoqin Cui, Laurence R. Lines, and Edward S. Krebes

Search and Discovery.com

...rly polarized to the fracture having stronger amplitudes. For example, in horizontal fracture case, z-component PP wave have stronger amplitude than ...

Monitoring fluid migration pathways from passive source seismic anisotropy analysis: A case study in Kīlauea volcano

Qichao Zhao, Kelly H. Liu, Stephen S. Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

... anisotropy. This orientation suggests a pathway for fluid migration induced by regional maximum horizontal compressive stress. In contrast, ray paths...

Point-Bar Deposits, Old River Locksite, Louisiana

D. E. Frazier, A. Osanik

GCAGS Transactions

... or if it is restricted to sand-sheet deposition in the area of a bar head. If restricted to this locale, horizontal bedding should occur at all levels...

Hummocky Cross-Stratification and Megaripples: A Geological Double Standard?

Donald J. P. Swift, Albert G. Figueiredo Jr., G. L. Freeland, G. F. Oertel

Journal of Sedimentary Research (SEPM)

... shoaling waves has little unidirectional component; the prolonged duration of the return stroke largely compensates for its lower intensity...

Sand Particle Movement on Migrating Combined-Flow Ripples

Miwa Yokokawa , Fujio Masuda , Noritaka Endo

Journal of Sedimentary Research (SEPM)

... sand particle movement on migrating combined-flow ripples in an experimental flume. The water-surface waves propagated against the flow in the flume...

Moment tensor inversion of perforation shots using distributed acoustic sensing

Milad Bader, Robert G. Clapp, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

... shots in unconventional wells excite seismic waves that travel through the reservoir layer and get recorded by distributed acoustic sensing (DAS) fiber...

The Influence of Fine-Grained Sediments on Wave Propagation, West Louisiana Coast

Sheremet, A., Stone, G. W., Walker, N. D., Roberts, H. H., Huh, O. K., Hsu, S. A., Inoue, M., Rouse, L., Welsh, S., and Bentley, S.

GCAGS Transactions

... to an increase in the accuracy of predicting waves, currents, and sediment transport/morphology in the nearshore, often beyond present measurement...

Pseudo-planar Stratification Produced by Very Low Amplitude Sand Waves

Norman D. Smith

Journal of Sedimentary Research (SEPM)

... foresets form in very shallow depths in the Platte River and resemble small sand waves. They produce internal horizontal stratification which...

Using Biogenic Structures to Interpret Sharp Lithologic Boundaries: An Example from the Lower Devonian of New York

Molly Fritz Miller, Judith Rehmer

Journal of Sedimentary Research (SEPM)

... was interpreted as an unconformity. Traces include Cruziana, Fustiglyphus, horizontal and vertically oriented traces of various sizes, and knobs and scratch...

Wave-Worked Conglomerates — Depositional Processes and Criteria for Recognition

Joanne Bourgeois, Elana L. Leithold

CSPG Special Publications

... through the surf zone. The breaking waves and bores transport water shoreward and pile it against the shoreline. The hydraulic head thus created...

Calibration of PS Shear Wave Anisotropy in a Mississippi Lime Play, North-Central Oklahoma

Scott Singleton, Shihong Chi, Lisa Sanford, Paul Constance

Unconventional Resources Technology Conference (URTEC)

... sinusoidal variation), (2) amount of azimuthal travel time correction after C-wave splitting estimation and compensation, (3) amount of radial component...

Wave and Current Orientation of Shells

J. Stewart Nagle

Journal of Sedimentary Research (SEPM)

... on the geometry and mass distribution of the shell. In shoaling, nonswash waves, long axes of the same forms are aligned parallel to the wave crests or ripple...

ABSTRACT: Elastic Wave Propagation in a Pre-Stressed Formation with a Borehole, by Xiuming Wang, Kevin Dodd, and Li-Yun Fu; #90913(2000).

Search and Discovery.com

Extended Abstract: Challenges in an Unconventional Reservoir

ION Reservoir Solutions

Petroleum Exploration Society of Australia (PESA)

... As seism ic waves travel through anisotropic only al lowed them to become fami liar with horizontal wells were recommended so that as (fractured) rocks...