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Petrophysics and Well Logs

Explorer Article

Speaking of changes: Jack Thomas, AAPG's geoscience director since 2002, announces his retirement, effective later this year.

American Association of Petroleum Geologists (AAPG)
Explorer Article

'Look West Young Man' comes to mind as many turn their gaze from West Africa and its exciting discoveries, to the potential in Central and South America, and the Caribbean.

American Association of Petroleum Geologists (AAPG)
Explorer Article

A new format for training is introduced through AAPG's Education programs. The WEC may be just what you've been waiting for.

American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

This month's column, the first of a two-part series, is titled 'High-Resolution Aeromagnetic (HRAM) Surveys: Exploration Applications from the Western Canada Sedimentary Basin -- Exploration in Highly Deformed Terrains.'

American Association of Petroleum Geologists (AAPG)
Explorer Article

Nevada has produced nearly 50 million barrels of oil, but that is just a drop in the bucket compared to the potential buried in the Nevada portion of the Sevier thrust belt that spans the length of the Rocky Mountains and has been prolific in Wyoming and Utah.

American Association of Petroleum Geologists (AAPG)
Explorer Article

Conventional wisdom challenged: A geologist makes the case for the unrecognized petroleum potential of Nevada.

American Association of Petroleum Geologists (AAPG)
Explorer A Look Back Column

Perhaps a review of the past may make us better geologists in the future.

American Association of Petroleum Geologists (AAPG)
Explorer Article

A world at war, a deadly epidemic of global proportions and other catastrophic events teamed up to disrupt in part AAPG’s Distinguished Lecture program last year -- but the train is back on track.

American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

In the Rockies we are all looking for a hidden structure that will discover a new big gas field. In 1994, Barrett Resources (now Williams Production Company) made a significant Rocky Mountain gas discovery at Cave Gulch Field, with reserves in excess of 600 BCF.

American Association of Petroleum Geologists (AAPG)
Explorer Division Column EMD

Coalbed methane accounts for about 8 percent of the natural gas produced in the United States. With global exploration and development in an early phase, coalbed methane is poised to continue for decades as an important energy source.

American Association of Petroleum Geologists (AAPG)
DL Abstract

While there are many habitats that are associated with the deposition of organic-rich marine and lacustrine source rocks, one important pathway is linked to the onset of increased basin subsidence associated with major tectonic events. A key aspect is that this subsidence is spatially variable, with the uplift of basin flanks contemporaneous with the foundering of the basin center, resulting in a steeper basin profile.

Request a visit from Kurt W. Rudolph!

American Association of Petroleum Geologists (AAPG)
VG Abstract

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!

American Association of Petroleum Geologists (AAPG)
VG Abstract

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!

American Association of Petroleum Geologists (AAPG)
DL Abstract

For well over a century there have been conflicting indications of the strength of the crust and of faults and what controls them.  Much of our ignorance comes quite naturally from the general inaccessibility of the crust to measurement--in contrast with our understanding of the atmosphere, which is much more accessible to observation as well as more rapidly changing.  Crustal strength is best understood in deforming sedimentary basins where the petroleum industry has made great contributions, particularly in deforming petroleum basins because of the practical need to predict. In this talk we take a broad look at key issues in crustal strength and deformation and what we can learn from boreholes, earthquakes, active fault systems, and toy models.

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Request a visit from John Suppe!

American Association of Petroleum Geologists (AAPG)

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