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Read MoreOPEC Update, April 2021
The OPEC Monthly Oil Market Report for April 2021 was published this past week. The last month reported in each of the charts that follow is March 2021 and output reported for OPEC nations is crude oil output in thousands of barrels per day (kb/d).

Open Thread Non-Petroleum, April 17, 2021
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Annual Reserve Changes Part I: EIA and Super-Majors
A guest post by George Kaplan
EIA US Reserve Estimates
The EIA publishes reserve data for the USA, usually in December of the following year – so that the figures presented here are for 2019. Only proved category reserves are shown and the numbers are based on companies’ annual reports and 10-k or 20-f filings (so that last year’s numbers are now being addressed as most companies have filed). Not every company is included, otherwise the net acquisitions and dispersals (the yellow bars) would surely have to sum to zero, but most are and all the big players. Net adjustments include revisions (which may be technical or economic) and other adjustments, which are fiddle factors to make the numbers add up but are usually zero or small; improved recovery is here included as discoveries and extensions. The yellow dashed line shows the net change.

Open Thread Non-Petroleum, April 9, 2020
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