Explorer Geophysical Corner

As discussed in part 1 of this article, when it comes to the attributes used in equation 1 for seismically determining shale capacity, it is difficult to make a manual choice for the cut off values. To alleviate such a problem, application of machine learning techniques could be useful and thus worth exploring.

American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

The goal of reservoir characterization work carried out for a shale play is to enhance hydrocarbon production by identifying the favorable drilling targets. The drilling operators have the perception that in organic-rich shale formations, horizontal wells can be drilled anywhere, in any direction, and hydraulic fracturing at regular intervals along the length of the laterals can then lead to better production. Given that this understanding holds true, all fracturing stages are expected to contribute impartially to the production. However, studies have shown that only 50 percent of the fracturing stages contribute to overall production. This suggests that repetitive drilling of wells and their completions without attention to their placement must be avoided, and smart drilling needs to be followed by operators.

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American Association of Petroleum Geologists (AAPG)
Explorer Article

Understanding source rock provides a key to evaluating the hydrocarbon potential of super basins and an important tool for basin exploration. Geologists get the basics right, in general, but sometimes they might be thinking about source rock the wrong way. They are definitely talking about it in the wrong way.

American Association of Petroleum Geologists (AAPG)
Explorer Article

Recipients of 2020 AAPG Student Chapter Awards, encompassing recognition for student and volunteer achievements around the entire world, have been announced by AAPG. In a year that has seen its share of hardship, it makes it all the more special to present the awards to these deserving students, student chapters and volunteers who have risen to meet – and overcome – the challenges facing them.

American Association of Petroleum Geologists (AAPG)
Explorer Foundation Update

Call it unprecedented, call it exciting and unpredictable, call it historic – and you’re right each time. The 2020 Imperial Barrel Award global finals competition was one for the record books – for the first time ever, the entire competition, impacted by the global pandemic that threatened to end it before it began, was held virtually in early June, adding a new chapter in the program’s illustrious history. Indeed, this year’s competition had many firsts – a global pandemic, an entirely virtual competition and the introduction of the IBA Exploration Leadership Series.

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American Association of Petroleum Geologists (AAPG)
Explorer Article

Helium rose back into the news recently, in part because of drilling exploration programs planned for an area along the Alberta-Saskatchewan border in southern Canada. North American Helium Inc. of Calgary announced it had arranged additional equity financing of about $29 million to purchase and construct its second helium purification plant at the Battle Creek field in southwest Saskatchewan and to fund an active drilling program. A number of other companies are reportedly involved in North American helium exploration projects, including Desert Mountain Energy Corp. and Royal Helium Ltd. of Vancouver, Weil Group Resources LLC in Richmond, Va., and Australian explorer Blue Star Energy.

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American Association of Petroleum Geologists (AAPG)
Explorer Article

For almost two decades, the AAPG Publication Pipeline Committee has helped preserve and spread educational materials to all corners of the globe. The effort began at the University of Houston when a visiting professor from Nigeria mentioned that universities in Africa were in dire need of technical journals and publications. Since then, the PPC has made 67 shipments – 215 tons – of publications to more than 80 universities around the world.

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American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

Seismic attributes help enhance the subtle subsurface geologic detail that might be difficult and time consuming to decipher from 3-D seismic amplitude data. Beginning with the simple computation of envelope, phase and frequency attributes in the 1970s, several dozen seismic attributes are generated these days containing disparate types of information. To bring together all this information and produce an accurate subsurface model, the multiple attributes need to be carefully visualized and displayed, and thus has become an important interpretation tool for seismic interpreters.

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American Association of Petroleum Geologists (AAPG)
American Association of Petroleum Geologists (AAPG)
Explorer Article

Some of the world’s largest oil companies have pumped up their shale investments recently, targeting increased future production from shale oil plays. At the same time, some independents have been cutting back on shale spending, in part because of lower oil and gas prices and shareholder demands for improved returns. The result is a not-so-subtle shift toward shale dominance by Big Oil.

American Association of Petroleum Geologists (AAPG)

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