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The AAPG/Datapages Combined Publications Database

Showing 2,688 Results. Searched 190,067 documents.

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Determining Brittleness from Seismic Data; #41725 (2015)

Satinder Chopra, Ritesh Kumar Sharma

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... before it is used for interpretation. Before we go ahead with that description, some common definitions of terms and elastic constants used...


Effects of Overburden Anisotropy and Vertically Aligned Fractures on P-Wave Azimuthal AVO Responses

Fatkhan, Yudi Yanto, Nofri Faruza Said

Indonesian Petroleum Association

... sand (the HTI medium) is probably an important model for AVO investigations. - Compute effective elastic constants Hudson’s penny-shape crack theory...


Timing of Fracturing of Sedimentary Beds around Evolving Salt Shapes: Self-Consistent Behaviors and Coulomb's Criterion

K. Petersen, I. Lerche

GCAGS Transactions

... the strain; (2) define the response of the sediments to stress (e.g., elastic); and (3) calculate the corresponding stress. A synthetic case...


Abstract: Impact of Clay Content on Elastic Anisotropy and Stresses in the Permian Basin Mud Rock Systems

James Kessler

Houston Geological Society Bulletin

... compared to the plane-strain model up to 2,500 psi when elastic anisotropy is high. When anisotropy is low, the models converge on similar stress magnitudes...


Pore Pressure and Elastic Moduli Estimation Considerations for a Simplified Geomechanical Model for Unconventional Plays. A case study in the Vaca Muerta Formation

Sergio Cuervo, Ezequiel Lombardo

Unconventional Resources Technology Conference (URTEC)

... of a geomechanical model consists of the estimation of elastic and strength parameters, pore pressure and, stress orientation and magnitudes from well logs...


ABSTRACT: Predicting Fracability in Shale Reservoirs; #90122 (2011)

John A. Breyer, Helge Alsleben, and Milton B. Enderlin

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... beyond the elastic domain, elastic constants such as Young’s modulus and Poisson’s ratio are used separately or in combination to infer indices...


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)

... with the sonic data within an acousto-elastic model to quantify the maximum horizontal stress magnitude and rock third-order nonlinear constants. Another rock...


Experimental Assessment of Elastic Properties and Minimum Horizontal Stress in the Haynesville Shale-Gas Formation

Clotilde Chen Valdés, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

... of stresses induced by gravity. In these cases, the effects of pore pressure were not considered. Frydman (2010) determined the dynamic elastic constants...


Determining Static Elastic Anisotropy in Shales from Sidewall Cores: Impact on Stress Prediction and Hydraulic Fracture Modeling

Brian Crawford, Yueming Liang, Philippe Gaillot, Kelvin Amalokwu, Xianyun Wu, Robert Valdez

Unconventional Resources Technology Conference (URTEC)

... independent elastic constants; (c) vertical transversely isotropic solid with five independent elastic constants. Orthotropic symmetry implies that three...


Transformation of Resistivity to Pseudovelocity Logs

Albert J. Rudman , Joseph F. Whaley , Robert F. Blakely , Maurice E. Biggs

AAPG Bulletin

...> and provides a means of extending knowledge of seismic velocities. By using five selected wells, average scale function constants (A, B, C) have been...


In-Situ Stress in the Peace River Arch Area [Abstract]

Bell, J.S., McCallum, R.E.

CSPG Bulletin

...-dimensional finite element modelling of this stress refraction shows that the cause could be lateral variations in the elastic properties of the rock...


3-D Geomechanical Modeling for Field Development of a Colombian Shale Play

Leonardo Arias Medina, Azra N. Tutuncu

Unconventional Resources Technology Conference (URTEC)

... core measurements from the wells. Theory and Methods Anisotropic Static and Dynamic Elastic Properties of the Colombian Shale Formation The stress tensor...


New Exploration Concept in Salawati Basin; Identification of Naturally Fractured Reservoir Using Fracture Prediction Supported by Triaxial Rock Mechanics

Rochmad, Ananto Wibisono, Al Hafeez, M.Dian Wasugi, Sutha Negara, Pradika Gustaf P, Chairul Syafri

Indonesian Petroleum Association

...) and the elastic constants of the medium (Young’s modulus and Poisson’s ratio) (S.J. Dee et al, 2007). The results shown here have been computed and visualized...


New Insights on Natural Hydraulic Fractures Induced by Abnormally High Pore Pressures

Terrell W. Miller

AAPG Bulletin

... functions of sv, µ, and T: [Equation (12)] [Equation (13)] where Av, Bv, Cv, Ah, Bh, and Ch are positive constants that depend on the rock's elastic...


Empirical and Numerical Geomechanical Approaches to Unconventional Resources, #80411 (2014).

Scott Mildren, Peter Popov, Rachael Nicolson, Simon Holford, Luke Titus

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... fracture networks. Contemporary stress magnitudes vary considerably ranging between strike-slip and extension between formations with differing elastic...


Insights into the mechanisms of fault-related folding provided by volumetric structural restorations using spatially varying mechanical constraints

Chris A. Guzofski, Joachim P. Mueller, John H. Shaw, Pierre Muron, Donald A. Medwedeff, Frank Bilotti, Carlos Rivero

AAPG Bulletin

... fold and fault geometries, fault-slip magnitudes, and the orientations and relative magnitudes of bulk strains. Yet, because these techniques lack...


Geomechanical Simulation of Different Conceptual Models for Microseismic Interpretation

Shawn C. Maxwell, Atena Pirayehgar

Unconventional Resources Technology Conference (URTEC)

... an injection and leveraging an earth model consisting of stresses, elastic constants and pre-existing fractures, a hydraulic fracture network can be modeled...


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