Ceramic Proppant Transport and Placement in Heterogeneous Fracture Systems

Dhurgham A. Kadhim, Abdulmohsin Imqam, Shari Dunn-Norman

Unconventional Resources Technology Conference (URTEC)

...t horizontal velocity is less than fluid horizontal velocity, but it is higher than average fluid velocity for small particles where the effect of wal...

Abstracts: Challenges and Solutions in Locating and Interpreting Microseismic Events from Surveys in the Horn River Basin; #90173 (2015)

Ulrich Zimmer

Search and Discovery.com

... for anisotropy in the velocity model, at the very least a sensitivity study can show what its potential effect on the event location and the interpretation...

Quantitative Models for the Influence of Salt-Associated Thermal Anomalies on Hydrocarbon Generation, Northern Gulf of Mexico Continental Margin

I. Lerche , A. Lowrie

GCAGS Transactions

... the maturation of sediments in response to a semi-infinite horizontal salt sheet, 1000 m thick, buried at a depth of 2000 m moving at a velocity 100 m/Ma...

Rock Mechanical Behavior at the Inch Scale in a Thinly Laminated Unconventional Formation

Smaine Zeroug, Bikash K. Sinha, Ting Lei, John Jeffers

Unconventional Resources Technology Conference (URTEC)

... of the minimum horizontal stress (since stress depends on the Cij values, which actually depend on velocity squared). We also note that the sonic averaging error...

Use of the Regulated Directional Reception Method in Exploration for Reefs in Bashkiria

Yu. N. Voskresenskiy, Ya. I. Shul’ts

Petroleum Geology: A Digest of Russian Literature

... are drilled below the low velocity zone (average depth of 50 m); this prevents generation of surface waves which have an effect on the summation...

Monitoring CO2 Injection at Weyburn Reservoir Using 3-D/3-C Seismic Datasets; #20290 (2015)

Le Gao, Igor Morozov

Search and Discovery.com

... of the survey area (Figure 2). Taking a ~5% Pwave velocity reduction as an estimate for the effect of CO2, this would mean that 20~30-m below the caprock...

Monitoring Imbibition and Estimating Residual Gas Saturation Using Low Field NMR, #41599 (2015).

Minghua Ding, Apostolos Kantzas

Search and Discovery.com

... with the corresponding capillary number analysis and the definitive criteria for mobilization of residual gas during horizontal displacements...

Seismic Models of a Shelf-margin Depositional Sequence: Upper San Andres Formation, Last Chance Canyon, New Mexico

Jan Stafleu , Mark D. Sonnenfeld

Journal of Sedimentary Research (SEPM)

... gradients. Solid lines indicate reflecting boundaries; dotted areas indicate cycles with a horizontal velocity gradient. Refer to Tables 1 and 2...

Studies on Wind and Plant Interactions on French Atlantic Coastal Dunes

Catherine Bressolier, Yves-F. Thomas

Journal of Sedimentary Research (SEPM)

... covered dunes, the effect of vegetation, which is to raise the roughness factor, i.e., the height at which the wind velocity is canceled, must be taken...

Wellbore Stability Analysis and Pore Pressure Study in Badri Field Using a Limited Data, Gulf of Suez, Egypt.

Search and Discovery.com

Diffusion and Settling of Sediments at River Mouths: A Computer Simulation Model

G. F. Bonham-Carter, Alex J. Sutherland

GCAGS Transactions

... differences. The turbulent layer of "fresh" water is modelled as a stack of thin, horizontal, plane jets. The initial velocity at the slot ( = mouth...

Oceanographic Currents and the Convexity of the Uppermost Continental Slope

Neil C. Mitchell, John M. Huthnance

Journal of Sedimentary Research (SEPM)

... for a small change in gradient (e.g., over 10°) compared with the flux when the flume was horizontal, so the direct current effect (term in u in Equation...

Estimating Stimulation-Zone Anisotropy Effects During Microseismic Monitoring

Martin Karrenbach, Steve Cole, Victor Yartsev

Unconventional Resources Technology Conference (URTEC)

... and bottom receivers of the array are shown. The rays exhibit a wide spectrum of propagation angles, sampling horizontal and vertical portions of the velocity...

A Floating-Element Drag Plate for Direct Measurement of Bed Shear Stress During Eolian Transport

Steven L. Namikas

Journal of Sedimentary Research (SEPM)

... is generally modeled as a function of the ratio of exposed or hidden edge area to the horizontal plate area, and the pressure gradient generated between...

Compositional Tubing Hydraulics: An Improved Method for Calculating Pressure Gradients in Gas Wells

A. Mulia, A. L. Kebaili, V. C. Stone

Indonesian Petroleum Association

... pressure gradient is calculated by the following equation : where m is the mixture density given by: where Vs = superficial velocity...

Hydrodynamic effects on low-dip stratigraphic traps

S. A. Stewart

AAPG Bulletin

... these are parallel, hydraulic gradients have little effect on stratigraphic trapping potential. The closer the hydraulic gradient azimuth...

Condensate Banking Effects on Well Productivity and its Coarse Grid Representation in the Full Field Modeling of the Abadi Field

Masahiko Nomura

Indonesian Petroleum Association

... non-Darcy and positive coupling effects Case2: with non-Darcy effect alone Case3: with non-Darcy and positive coupling effects (velocity dependent...

Mapping Stratigraphic Traps with Seislog

Roy O. Lindseth

Indonesian Petroleum Association

..., this can be converted to solve for velocity from the series of reflection coefficients: The effect of the application of the above formula...

Integration of Rock Physics Modelling to Improve Pore Pressure Prediction in Unconventional Shales

Jakob Heller, Venkatesh Anantharamu

Unconventional Resources Technology Conference (URTEC)

... and platform carbonate reservoir rocks with high porosity. Advances in horizontal drilling technologies and fracturing fluids have resulted...

Slope Control on Submarine Channel Widths

Dave Waltham

Journal of Sedimentary Research (SEPM)

..., and Huppert, H.E., 1995, A box model for non-entraining, suspension-driven gravity surges on horizontal surfaces: Sedimentology, v. 42, p. 453–471. Duncan...

Simultaneous Inversion for Microseismic Event Location and Velocity Model in Vaca Muerta Formation

Zhishuai Zhang, Jing Du, Fuchun Gao

Unconventional Resources Technology Conference (URTEC)

... velocity information from the microseismic events themselves. Introduction Multistage fracturing technique, together with horizontal drilling, make...

ELECTRONIC COMPUTERS AID IN EXPLORATION DECISIONS AND INTERPRETATIONS

E. J. Assiter

Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)

... and migration data for application to maps * 12. Plot out depth maps and cross-sections using a velocity function, gradient or surface Quite obviously...

Experimental Modeling of the Spatial Distribution of Grain Size Developed in a Fill-and-Spill Mini-Basin Setting

Rufus L. Brunt, William D. McAffrey, Benjamin C. Kneller

Journal of Sedimentary Research (SEPM)

... towards the fixed 70 mm sill terminating the test section (Fig. 3A). Simultaneous flow measurement of horizontal velocity, and siphon sampling (for later...

Use of Precise Temperature Logs in Determination of Thermal Properties of Sedimentary Rocks and Investigation of Thermal Evolution of Sedimentary Basins: ABSTRACT

David Blackwell, John Steele, Dan Hagedorn

AAPG Bulletin

... and regional ground-water flow than with transient heat flow variations at the base of a thick sedimentary pile. Although the effect of basal heat...

Uncertainty Analysis of the Vertical Aquitard Hydraulic Conductivity in a Leaky Aquifer System

Xun-Hong Chen

Environmental Geosciences (DEG)

... is that the horizontal hydraulic conductivity (Kr) is equal to the vertical hydraulic conductivity (Kz) in the aquifer (Kr = Kz). This assumption is true...