Petroleum reserves
Since the US arrested and removed Venezuelan President Nicolás Maduro on 3 January 2026, all eyes have turned toward the country’s vast oil reserves, the largest of any country. From 2005 to 2024, oil production in Venezuela fell by 70%, from 3.1 million B/D to just 0.9 million B/D. The race is on to bring production back, but aging infrastructure and expatriation pre…
The three featured papers illustrate how emerging computational methods—ranging from gradient-based optimization to data-driven proxies—are reshaping reservoir characterization, uncertainty assessment, and real-time decision support across diverse subsurface applications.
Latest 5-year assessment puts undiscovered technically recoverable gas resources on the US Outer Continental Shelf at 218 Tcf.
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ExxonMobil is reluctant to join other big oil companies writing down the value of their reserves. It could chop its reserves by 20%, but it has not made a final decision. -
Pemex and Talos Energy have 120 days to decide how to share a massive offshore field that both companies claim they should operate. Failure to come to terms means the government will decide the matter.
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An ultrahigh-density high-resolution data set from the Hammerfest Basin is now available from PGS. The area is thought to contain around half of the undiscovered resources on the Norwegian continental shelf, according to the Norwegian Petroleum Directorate.
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Saudi Arabia offers a seemingly bottomless supply of oil and an equally deep array of exploration challenges as well.
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A total of 12.2 billion BOE was discovered worldwide in 2019—the highest volume in 4 years, with offshore regions dominating the list of new deposits.
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Talos is hoping to retain its operatorship of the major discovery it made in 2017 offshore Mexico after a reserves audit confirmed the reservoir is shared between two offshore blocks.
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Proved oil reserves totaled 43.8 billion bbl at yearend 2018 while proved gas reserves amounted to 504.5 Tcf, both topping records set in 2017, the US Energy Information Administration said.
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Current efforts demonstrate that industry is undertaking responsible scientific, social, and environmental management.
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This paper presents a methodology that provides the upstream industry with a robust approach to petroleum inventory management.
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Tensions in the region spike as US blames Iran.
