Ma — Oil & Gas Glossary
Mega annum. The abbreviation for million years that is most commonly used in the geologic literature.
In the News
Basra Oil Company Targets 3.4 Million BPD Recovery Within One Week as Ceasefire Opens Hormuz Window, Rumaila Field Collapsed to 30 Percent Capacity
Exploration & ProductionApr 17, 2026
BP CEO Meg O'Neill Unveils Upstream-Downstream Restructuring, Reversing 2020 Green Pivot Under Elliott Management Pressure
Exploration & ProductionApr 17, 2026
OPEC+ Hikes May Output by 206,000 BPD, but 230 Loaded Tankers Remain Stranded in Persian Gulf
Prices & MarketsApr 16, 2026