Bulletin Article

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We present a method of using fault displacement-distance profiles to distinguish fault-bend, shear fault-bend, and fault-propagation folds, and use these insights to guide balanced and retrodeformable interpretations of these structures. We first describe the displacement profiles associated with different end-member fault-related folding models, then provide examples of structures that are consistent with these model-based predictions. Natural examples are imaged in high-resolution two- and three dimensional seismic reflection data sets from the Niger Delta, Sichuan Basin, Sierras Pampeanas, and Cascadia to record variations in displacement with distance updip along faults (termed displacement-distance profiles). Fault-bend folds exhibit constant displacement along fault segments and changes in displacement associated with bends in faults, shear fault-bend folds demonstrate an increase in displacement through the shearing interval, and fault-propagation folds exhibit decreasing displacement toward the fault tip. More complex structures are then investigated using this method, demonstrating that displacement-distance profiles can be used to provide insight into structures that involve multiple fault-related folding processes or have changed kinematic behavior over time. These interpretations are supported by comparison with the kinematics inferred from the geometry of growth strata overlying these structures. Collectively, these analyses illustrate that the displacement-distance approach can provide valuable insights into the styles of fault-related folding.

Explorer Article

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Explorer Article

The call for abstracts is open for the next AAPG International Conference and Exhibition – a meeting that will be historic on many levels. The 2015 ICE will be held Sept. 13-16 in the beautiful city of Melbourne, Australia– the first time ever AAPG has used that city as a setting for ICE. The meeting will be hosted by the Petroleum Exploration Society of Australia.

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The call for abstracts has been opened for the next AAPG International Conference and Exhibition, which will be held Sept. 13-16 in Melbourne, Australia. The meeting theme is “A Powerhouse Emerges: Energy for the Next 50 Years,” created in part to signify the 50th anniversary of the Gippsland Basin oil discovery, which unlocked Australasian market activity.

Explorer Division Column EMD

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Explorer Division Column EMD

Over the past year or so we have observed strong evidence that nuclear power is into a new expansion period.

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Every six months, chairs of the Energy Minerals Division committees convene and report on developments in the areas they cover. In this column, we highlight important observations from these recent reports.

Explorer Emphasis

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Construction continues for the new GE Global Research’s Oil & Gas Technology Center in Oklahoma City – part of the company’s three-year effort to triple R&D investment in the oil and gas industry. The $125 million facility “will be an incubator for new innovative technologies that will enable safe, efficient and reliable exploration, production, delivery and use of unconventional oil and gas.”

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The lessons taken from U.S. shale gas successes hold major implications for China’s energy future, according to researchers at the Energy and Geoscience Institute at the University of Utah. The similarities and potential are explored in a paper to be presented at the AAPG International Conference and Exhibition this month in Istanbul, Turkey.

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This year, URTeC has added an enhanced preview of “Coming Attractions.” In addition to looking at established plays, URTeC will provide significant information about emerging unconventional resource possibilities in North America and around the world.

Explorer Historical Highlight

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The discovery of giant oil fields in new basins typically occurs only after multiple exploration periods and numerous unsuccessful wells. The first explorers might or might not have the right technical concepts, but for various reasons they fail to find the big prize. This pattern was repeated prior to the discovery of the giant (in place) Liuhua 11-1 Field, Pearl River Mouth Basin, South China Sea.

Learn! Blog

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Learn! Blog

Located in the Sichuan Basin, site of one of China’s premier shale plays, Chengdu University of Technology, in collaboration with Southwest Petroleum University, and State Key Laboratory  of Oil and Gas Reservoir Geology and Exploitation, and sponsorship from Geological Society of China and the Chinese Petroleum Society, brought together geoscientists and engineers from around the world and the country for the 7th International Symposium on Unconventional Petroleum Exploration and Exploitation.

Short Course

Kuala Lumpur Malaysia 08 December, 2014 09 December, 2014 11419
 
Kuala Lumpur, Malaysia
8-9 December 2014

The goal of this course is to provide a review and an update on the status and lessons learned in the world’s major unconventional plays. The goal is to compare the approaches taken in the major plays, from reconnaissance exploration to acquisition of acreage, well siting, drilling program planning, completions, and production. In some cases, secondary recovery and re-entries will be discussed (in the case of steep decline curves and the need to restimulate the well). This course will review techniques, technologies, and prevailing philosophies.

Coming Soon

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