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Seismic data are usually contaminated with two common types of noise, namely random and coherence. Such noise, if not tackled appropriately, prevents their accurate imaging. Small-scale geologic features such as thin channels, or subtle faults, etc. might not be seen clearly in the presence of noise. Similarly, seismic attributes generated on noise-contaminated data are seen as compromised on their quality, and hence their interpretation. Noise reduction techniques have been developed for poststack and prestack seismic data and are implemented wherever appropriate for enhancing the signal-to-noise ratio and achieving the goals set for reservoir characterization exercises.

Show more American Association of Petroleum Geologists (AAPG)
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I was pleased to serve as the organizer, general chair and creator of the AAPG Global Super Basins Leadership Conference. I will remember it as a highlight of my year as AAPG president and my entire career. I would like to share a few observations resulting from this conference.

American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/the-golden-age-of-super-basins-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Affordable and abundant energy for generations! The Golden Age of Super Basins
 

CERA was a diverse and dynamic week. A record-breaking 4,500 CEO’s, leaders, energy ministers and global representatives from more than 70 countries attended the March 4-9 event to ponder the future of the industry. And this year, AAPG got to play an important role in this conversation.

American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/staying-in-zone-geoscience-matters-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true AAPG making the case to energy industry leaders Staying in Zone: Geoscience Matters
 

This, the first Annual Convention of AAPG’s second century, is officially designated “ACE 101: Bridging Fundamentals and Innovation.” Vanden Berg explained that the May 20-23 meeting will “provide an opportunity to return to the rocks and to remember the importance of fundamental geologic concepts, but also to look to the future, to harness and embrace new technology and innovation.”

American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/taking-fundamentals-into-the-future-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Taking Fundamentals into the Future
 

Providing energy to the world is a heroic journey. In my preface to the 2017 DPA publication “Heritage of the Petroleum Geoscientist,” I wrote that the philosopher Joseph Campbell described that the world has a few stories, and many storytellers. The “Hero’s Journey” starts with a call to adventure, overcoming trials (think of the Greek character Odysseus), and returning to tell the story.

American Association of Petroleum Geologists (AAPG)
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Cindy Yeilding of BP America discusses the production history and geology of one of the world’s most prolific hydrocarbon super basins.

American Association of Petroleum Geologists (AAPG)
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The resurgence of the Permian Basin in the United States led directly to the concept of the “super basin”: a mature basin that can be rejuvenated to produce as much or more oil and gas than it has so far. Another archetype for super basins lies 1,000 miles southeast of the Permian, in the onshore/offshore Sureste Basin of Mexico.

American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/mexicos-sureste-basin-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true An archetype of a 'super basin' Mexico's Sureste Basin
 

Considering a career in industry? The oil and gas industry? In Exploration? Maybe Production? Perhaps Planning? This presentation of the Top Ten Tips for Working in Industry was developed during my 34 year career working for Mobil and ExxonMobil as a technical professional, supervisor, manager, and researcher. I’ll use examples and stories from my career, working with foreign governments in Azerbaijan and Kazakhstan, working in Mobil’s Headquarters in Fairfax, Virginia, being a supervisor and manager in exploration, and working as a senior research associate in ExxonMobil’s Upstream Research Company, recruiting for ExxonMobil at top American Universities interviewing students; and working as the Planning Manager, in Mobil’s Norwegian Affiliate in Stavanger, Norway. All of my experiences over the past 34 years have taught me how to be a successful in these fields, and I enjoy sharing these lessons with others who may be considering careers in the oil and gas industry.

Show more American Association of Petroleum Geologists (AAPG)
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Authigenic quartz overgrowths are the most common pore-occluding mineral in deeply buried (>2500 m) quartzose sandstones. But, deeply buried reservoirs of this kind in the North Sea contain more porosity than expected when the influence of authigenic microcrystalline quartz (microquartz, or the good quartz) is ignored. However, we know relatively little about the nature and origin of this porosity-preserving microquartz, which inhibits the bad and ugly quartz overgrowths from growing and occluding pores. Therefore, advanced analytical techniques have been utilized to improve our understanding of the controls on microquartz development in several examples where porosity is preserved in these and similar sandstone reservoirs.

In this study, several advanced analytical techniques were used to evaluate the crystallographic and compositional controls on the formation of microquartz. SEM/Cathodoluminescence (CL) confirms that (bad and ugly) quartz overgrowths have a complex growth history. Electron Backscatter Diffraction (EBSD) combined with Wavelength Dispersive Spectrometry (WDS) confirmed and elaborated on the complex growth history: the complex banding visible in CL is not due to changes in crystallographic orientation but more likely variations in quartz composition associated with changes in pore fluid composition and/or reservoir conditions. Finally, Secondary Ion Mass Spectrometry (SIMS) analysis provides oxygen isotope data providing insight into those initial reservoir conditions and temperature of formation of microcrystalline quartz.

Integrating the results from these advanced analytical techniques has developed an understanding of the processes controlling the formation of porosity-preserving microquartz and improved our ability to reconstruct the reservoir diagenetic history of microquartz growth leading to a proposed model for predicting porosity preservation in deep, hot sandstone reservoirs.

Show more American Association of Petroleum Geologists (AAPG)
Desktop /Portals/0/PackFlashItemImages/WebReady/dl-marsha-french-authigenic-quartz-the-good-the-bad-the-ugly-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Authigenic Quartz: The Good, The Bad, and the Ugly: Developing a Model for Preserving Porosity in Deep, Hot Sandstone Reservoirs
 

Offshore opportunities from Aruba to the Falkand Islands have national and independent companies keeping their eye on Latin America.

American Association of Petroleum Geologists (AAPG)
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