Brent fell $1.55, or 2.3%, to settle at $65.11 a barrel. WTI crudeended $1.31, or 2.1%, lower at $62.05 a barrel.

"The main issues, oil sanctions, petrochemical sanctions, shipping sanctions, insurance and so on and so forth, Central Bank and banks ... have been wrapped up," Iranian President Hassan Rouhani said on state television

Preliminary production figures for March 2021 show an average daily production of 2 094 000 barrels of oil, NGL and condensate.

Brent was down $1.40, or 2.1%, at $65.26 a barrel. WTI lost $1.12, or 1.7%, to $62.24 a barrel.

U.S. commercial crude oil inventories increased by 1.3 million barrels from the previous week to 486.0 million barrels.

Brent fell $1.08, or 1.5%, to $67.63 a barrel. WTI dropped $1.05 cents, or 1.6%, to $64.44 a barrel.

Brent fwas up 55 cents, or 0.8%, at $70.01. WTI was up 37 cents, or 0.6%, at $66.64.

Crude oil production from the major US onshore regions is forecast to increase 26,000 b/d month-over-month in June 2021 from 7,707 to 7,733 thousand barrels/day, gas production to decrease 53 million cubic feet/day from 83,624 to 83,571 million cubic feet/day .

In the first quarter of 2021 LUKOIL Group's average hydrocarbon production excluding the West Qurna-2 project was 2,152 thousand boe per day, which is 4.2% higher quarter-on-quarter.

Brent fell 21 cents, or 0.3%, to $68.50 a barrel. WTI eased 9 cents, or 0.1%, to $65.28.