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A geoscience company some have billed as “Silicon Valley meets the oil patch” has undertaken a study over the Allegheny National Forest in Pennsylvania. Airborne geophysical datasets newly acquired by NEOS GeoSolutions were combined with existing seismic, well, and public domain datasets to better understand the potential of the Marcellus resource play in a roughly 2,500 square-mile area of investigation.

DL Abstract

Seismic amplitude anomalies have been used for over 40 years to identify and de-risk exploration opportunities with a great degree of success. Beginning in the late 90s, the global industry portfolio of solid amplitude-supported opportunities started to get depleted in many basins. The depletion of high-confidence opportunities resulted in drilling of intrinsically riskier amplitude anomalies leading to significant exploration failures and unexpected outcomes. This paper presents several examples of volume and scenario-based DHI assessment workflows from selected Circum-Atlantic basins, with discussion of underpinning rock properties systems and lessons learned from drilling results.

DL Abstract

Direct Hydrocarbon Indicator (DHI) support for hydrocarbons in the Niger Delta has been recognized for several decades. This paper presents an overview of key controlling factors that impact seismic response and cause rapid transition from bright spots to dim spots, and the transition from amplitude to AvO anomalies. Many clastic Tertiary basins globally follow similar stratigraphic and diagenetic evolution, thus the Niger Delta example may be a good analogue for subtle DHI plays elsewhere.

Explorer Emphasis Article

Look again: The North Sumatra Basin, a world-class petroleum province since the late 19th century, is getting a 21st century reboot.

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