b'89.1 MMbbls and an RRR of 1.2 (five-yearpumpstation, a new gas buffer tank and a moving average), at year end. The reservesnew gas knockout drum. In addition, two were audited in the first quarter of 2022 byholding basins for oil sludge containment were DeGolyer and MacNaughton (an independentcommissioned at the waste treatment facility.reputable international company with worldwideStaatsolie is committed to reducing its carbon petroleum consultants). footprint. The current carbon emission for the Improvements to the Upstream facilitiesUpstream directorate is 13 kg CO2e/bbl, which in 2021 included completing the fluid andis relatively clean oil production with regards to water treatment expansion at the TA58 crudeCO2e emission in the oil and gas industry. Our treatment plant. The project included theSaramacca crude also contains relatively fewer addition of a 25,000-barrel storage tank, agreenhouse gases (cleaner barrels) compared collection tank, a third induced gas floatationto the industry. unit (used as a secondary water treatment facility), a fourth heater treater, a slug catcher vessel (to stabilize flow), a second firewater 2021 KEY FIGURES6MMbbls US$Number of oil crude production8.56spills related to in 2021. corrosion reduced PER BARRELAVERAGE by 43% in 2021 PRODUCTION COST,compared IN THE INDUSTRYS LOWEST-COSTto 2020.QUARTILE.8-89.112 % MMbbls 28additionalof provennew wells drilled.reserves.recovery expected with polymer injections.34 STAATSOLIE 2021 ANNUAL REPORT'