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Geomechanics and Fracture Analysis

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Geomechanics and Hydraulic Fracturing Technical Interest Group (TIG)

Explorer Geophysical Corner By Bob Hardage

For Fractures, P + S = Maximum Efficiency

In areas where fracture-producing stress fields have been oriented at different azimuths over geologic time, there can be fracture sets of varying intensities and different orientations across a stratigraphic interval.

Added on 01 August, 2011

Explorer Article By Jeff Aldrich

Unconventionals Will Get Global Showcase at Milan ICE

The fast-approaching AAPG International Conference and Exhibition in Milan will showcase – in association with EMD – a comprehensive unconventional resources program with global scope, ranging in scale from the nanopore to the petroleum system, exploring the latest in applied geoscience and engineering.

Added on 01 August, 2011

Explorer Geophysical Corner By Bob Hardage

Measuring Fractures – Quality and Quantity

As has been emphasized in the three preceding articles of this series, when a shear (S) wave propagates through a rock unit that has aligned vertical fractures, it splits into two S waves – a fast-S (S1) mode and a slow-S (S2) mode.

Added on 01 July, 2011

Explorer Geophysical Corner By Bob Hardage

S-Waves on Crack? Not So Much

This month we continue our series on S waves and factures by taking a look at another laboratory measurement that illustrates an important behavior of S waves that propagate in fractured media.

Added on 01 June, 2011

Explorer Geophysical Corner

Turn, Turn, Turn: Rotating for S-Wave Data

This month we expand our insights into the behavior of seismic S waves as they propagate through a fractured interval, with the emphasis placed on laboratory data of real S waves propagating through fractured real-Earth media.

Added on 01 May, 2011

Explorer Article By Louise Durham

Marcellus Core Areas Differentiated

The Middle Devonian Marcellus Shale has become one doozy of a gas play. In fact, it’s one of the premier shale gas plays of North America in terms of total gas resource, extent, production rates and economic potential, according to AAPG member Bill Zagorski, vice president of geology for the Southpointe, Pa., Marcellus shale division at Range Resources, which pioneered the play.

Added on 01 May, 2011

Explorer Geophysical Corner By Bob Hardage

S Waves Prove Their Worth With Fractures

When a shear (S) wave propagates through a rock unit that has vertical fractures oriented at a reasonably consistent azimuth, it splits into two S waves that propagate with distinct velocities.

Added on 01 April, 2011

Explorer Article

DLs Will Be Busy in March

Distinguished Lecturer Steve Dorobek’s Asia Pacific Region tour, originally slated for March, has been delayed until May – but the AAPG DL program will remain active in March with four speakers ready to tour.

Added on 01 March, 2011

Explorer Article By Courtney Chadney

Lecturers Hit the Global Trail

Encore presentation: Last year was the biggest and most successful year ever for AAPG's international Distinguished Lecture program – and organizers are hoping this year brings more of the same.

Added on 01 January, 2011

Explorer Emphasis Article By Louise Durham

Shale Hydrofrac Concerns Addressed

Dangerous, or not so much? Some are anxious to give the public a different perspective on hydraulic fracturing.

Added on 01 December, 2010

Workshop

Lviv, Ukraine

Thursday, 21 September – Friday, 22 September 2023, 8:00 a.m.–5:00 p.m.

Basin Evolution and Prospectivity in Flexural and Rift Basins

Join us for a workshop where experts will explore the Carpathian foreland and the Dnieper-Donetsk rift basins with a focus not only on hydrocarbons, but the utilization of geothermal resources, hydrogen exploration and CCUS.

Added on 01 December, 2021

VG Abstract By Juan I. Soto

How Orogens Could Collapse Forming Sedimentary Basins: The Case of the Betic-Rif Orogen

The Betic hinterland, in the westernmost Mediterranean, constitutes a unique example of a stack of metamorphic units. Using a three-dimensional model for the crustal structure of the Betics-Rif area this talk will address the role of crustal flow simultaneously to upper-crustal low-angle faulting in the origin and evolution of the topography.

Request a visit from Juan I. Soto!

Added on 26 June, 2019

VG Abstract By Juan I. Soto

Salt versus Shales in Continental Margins and Orogens

In comparison with the known boundary conditions that promote salt deformation and flow in sedimentary basins, the processes involved with the mobilization of clay-rich detrital sediments are far less well established. This talk will use seismic examples in different tectonic settings to document the variety of shale geometries that can be formed under brittle and ductile deformations.

Request a visit from Juan I. Soto!

Added on 26 June, 2019

Geomechanics and Fracture Analysis

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