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Different estimates may or may not include oil shale, mined oil sands or natural gas liquids. Because proven reserves include oil recoverable under current economic conditions, nations may see large increases in proven reserves when known, but previously uneconomic deposits become economic to develop.
By default countries are ranked by their total proven oil reserves. Note that data related to one parameter may be more up to date than data related to some other. See also separate lists and their source pages: List of countries by proven oil reserves [1] List of countries by oil production [2] List of countries by oil consumption [3]
Global strategic petroleum reserves (GSPR) refer to crude oil inventories (or stockpiles) held by the government of a particular country, as well as private industry, to safeguard the economy and help maintain national security during an energy crisis. Strategic reserves are intended to be used to cover short-term supply disruptions.
Flaring a flow test, the first outward indication of a new oil or gas discovery, which has the potential to qualify for reserves assessment. Oil and gas reserves denote discovered quantities of crude oil and natural gas (oil or gas fields) that can be profitably produced/recovered from an approved development. Oil and gas reserves tied to ...
Countries by tight oil reserves. ... Rank Country/Region Shale Oil proven reserves billion barrels; Total World: 425: 1 Bahrain [2] [3] [4] 80: 2
Countries by natural gas proven reserves (2014), based on data from The World Factbook. Natural gas is a widely available fossil fuel with estimated 850 000 km 3 in recoverable reserves and at least that much more using enhanced methods to release shale gas. Improvements in technology and wide exploration led to a major increase in recoverable ...
Top 5 oil-producing countries 1980–2022 World oil production. This is a list of countries by oil production (i.e., petroleum production), as compiled from the U.S. Energy Information Administration database for calendar year 2023, tabulating all countries on a comparable best-estimate basis.
Pages in category "Oil reserves by country" The following 17 pages are in this category, out of 17 total. This list may not reflect recent changes. ...