Abstract: Anisotropy Measurements in a Multi-faced Core Sample by using Pulse Transmission Method; #90174 (2014)

Jaime Meléndez Martínez, Douglas R. Schmitt, and Randolph Kofman

Search and Discovery.com

... gradient velocity increase at low pressures followed by a slow velocity increase at higher pressures characterizes a velocity increase due to microcracks...

The Seismic and Geological Definition of a Reef

R. A. Maxwell, W. Thomsen, F. Wilson

Oklahoma City Geological Society

... the effect of using the wrong velocity. High amplitude events which are continuous across a 24 trace segment indicate the proper velocity to apply...

Evaluation of In-Situ Stress Environment in the Utica Play and Implications on Completion Design and Well Performance

Bertoncello Antoine, Brigaud Frederic

Unconventional Resources Technology Conference (URTEC)

... to a horizontal stress. Sv is the vertical stress from overburden loading. Sv(z) is calculated using a gradient of 1.13 psi/ft derived from density logs...

Machine Learning Algorithms for Predicting Liquid Loading in Gas Wells; #42583 (2023)

Nassim Bouabdallah, Abdeldjalil Latrach, Aimene Aihar, Adesina Fadairo

Search and Discovery.com

... and its Effect on Hydraulic Fractures Integrity in Long Horizontal Wells." Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium...

Rate of Migration of Petroleum by Proposed Mechanisms

J. G. Roof , W. M. Rutherford

AAPG Bulletin

... a highly permeable porous medium generally has a small gradient and can probably have little effect in displacing a droplet. It should be noted...

Integrating Core Data and Wireline Data for Formation Evaluation and Characterization of Shale Gas Reservoirs; #41073 (2012)

John Quirein, Dan Buller, Jim Witkowsky, and Jerome Truax

Search and Discovery.com

...). In a high-angle well, the compressional wave measures a velocity that is between the vertical and horizontal velocities (Figure 9b), much as traditional...

Depth Conversion in the Llanos Basin: Workflow to Reduce Fault Shadow Effect.

Andrew Chermak, Gabriel Veloza Fajardo, Juan Carlos Ramón

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... and field development. The fault shadow effect, caused principally by the low velocity Leon-C1 zone, creates false anticlinal structure in time whereas...

The Generation of Scour Marks Near Obstacles

Peter D. Richardson

Journal of Sedimentary Research (SEPM)

... was the same length and width but with sides thinned toward the ends to give sharp points (a bicusped profile). (Fig. 1.) A velocity gradient...

The Development of an Implicit Flow Model for Predicting the Flow Performance of High Viscosity Oil and Water in Pipelines

Leksono Mucharam, Budhira Lumban Tobing

Indonesian Petroleum Association

..., the pressure profile can be written as: This flow equation is a function of both pressure and temperature, and includes the effect gravitational force...

Abstract: Uncertainty – Wellbore Stability from Logging Information, by Gemma M Keaney and Martin D. Matthews; #90039 (2005)

Search and Discovery.com

ABSTRACT: Prestack Depth Migration for 'Easy' Onshore Plays?, by Morgan Brown; #90156 (2012)

Search and Discovery.com

Compositional Modeling of the Diffusion Effect on EOR Process in Fractured Shale Oil Reservoirs by Gas Flooding

Tao Wan, James J. Sheng, Luchen Li

Unconventional Resources Technology Conference (URTEC)

...e is placed in the horizontal direction. Gravity segregation effect is not considered in their study. In the countercurrent mode, CO2 is flushed throug...

Inversion of Salt Diapir and Sedimentary Bed Observations: A Gulf Coast Case History

K. Petersen, I. Lerche

GCAGS Transactions

... on Fig. 6. The higher thermal conductivity of salt decreases the thermal gradient in the salt structure (PW-30). The effect of the contrast in thermal...

A Model Ranking Approach for Liquid Loading Onset Predictions

Hao Jia, Jianjun Zhu, Guangqiang Cao, Yingda Lu, Bo Lu, Haiwen Zhu

Unconventional Resources Technology Conference (URTEC)

... the critical gas velocity by combining the pressure gradient and calculations of interfacial friction factor and the liquid film distribution from...

Hydraulic Interpretation of Grain-Size Distributions Using a Physical Model for Bedload Transport: DISCUSSION

K. Padmavally

Journal of Sedimentary Research (SEPM)

... Engineers, v. 105 (HYI2), p. 1571-1572. RAUDKIVI, A. J., AND ETTEMA, R., 1979 Closure to "Effect of sediment gradation on clear water scour": Proc. Am. Soc...

Abstract: The Effect of Bedding Plane Orientation Towards P-Wave Velocity of Berea Sandstone at Different Water Saturation Degree (Paper P25)

Hammad Hazim Bin Mohd Azhar, Zuhar Zahir Tuan Harith

Geological Society of Malaysia (GSM)

...Abstract: The Effect of Bedding Plane Orientation Towards P-Wave Velocity of Berea Sandstone at Different Water Saturation Degree (Paper P25) Hammad...

Hydraulic Interpretation of Grain-Size Distributions Using A Physical Model for Bedload Transport: REPLY

John S. Bridge

Journal of Sedimentary Research (SEPM)

... near the bed (White, 1940; agnold, 1974). Grains moving in a velocity gradient at speeds different from the mean flow will experience nonturbulent...

Geomechanics: Pressure, Stress Field, and Hydraulic Fractures

Raúl A. Varela, Denis Marchal, Sergio Cuervo, Ezequiel F. Lombardo, Yonatan S. Perl, Damián E. Hryb, Osvaldo Nielsen, Pablo Pateti

AAPG Special Volumes

... and horizontal stresses calculated, including the effect of two Young’s moduli and two Poisson’s ratios in the vertical and horizontal directions. The modified...

The Impact of Anisotropic Mechanical Properties on Stimulation and Wellbore Stability in the Beetaloo Basin, Northern Territory, Australia

J Adam Donald, Thomas J. Neville

Unconventional Resources Technology Conference (URTEC)

... Young's modulus Vertical Swave velocity Horizontal Young's modulus P-wave anisotropy μV = C44 Vertical shear modulus S-wave anisotropy Poisson's...

Mapping the Magnitude Sv-ISIPc in a Shale Gas Field and Some Considerations for Stimulation

Pablo Alvarez, Cristian González, Nicolás Romero, Vladimir Merchan, Gustavo Tarrés, Mauro Sánchez, Andrés Askenazi, Juan Rossi, Daniela Ceccon

Unconventional Resources Technology Conference (URTEC)

... the written consent of LA URTeC is prohibited. Abstract It is well known that Vaca Muerta oil and gas production comes from horizontal wells...

The History of Part of the Colorado River and Its Tributaries: An Experimental Study

Thomas W. Gardner

Four Corners Geological Society

...) superposed meanders developed only on a horizontal bedrock surface overlain by a thin veneer of alluvium, and 4) armouring of the channel bottom...

Evaluating the Effect of Formation Properties and Completion Design parameters on Cluster Efficiency Using Advanced Modeling

Varahanaresh Sesetty, Ahmad Ghassemi

Unconventional Resources Technology Conference (URTEC)

...5 based on field observations (Cramer et al. 2019). Although a complete approach is to consider the effect of fluid velocity and proppant concentratio...

An Automated Grain-shape Classifier

William H. Glezen, John C. Ludwick

Journal of Sedimentary Research (SEPM)

..., the geometric characteristic that exerts the greatest effect on descent velocity in the classifier, is not reflected in the Wadell projection parameters; i.e....

Time-Lapse WAW VSP Imaging of an Unconventional Reservoir Using DAS Fiber Optics

J. Andres Chavarria, Dan Kahn, David Langton, Steve Cole, Xinyang Li

Unconventional Resources Technology Conference (URTEC)

.... This provides not only velocity/image control in the overburden and target, but also high-resolution images within the frac zone from the horizontal receivers...

Hydrothermics in the Wyoming Overthrust Belt

Gary W. Zielinski , , James A. Drahovzal , , Gail Moritz Decoursey , , Joseph M. Ruperto

AAPG Bulletin

... of the annual surface-temperature variation, g is the geothermal gradient, ^ohgr is the angular velocity of the annual temperature variation (2 × 10-7...