The deal calls on OPEC, Russia and nine other allies to cut 9.7 million b/d of crude production in May and June, ramping down to 7.7 million b/d for the second half of 2020, and then 5.8 million b/d for all of 2021 through April 2022.

Brent fell 8 cents, or 0.3%, to $31.66 a barrel, WTI was down 36 cents, or 1.6%, at $22.05

This is Saudi Arabia's second consecutive monthly price cut after it slashed crude prices by $5-$8/b for April loading crude last month.

Crude oil production from the major US onshore regions is forecast to decrease 183,000 b/d month-over-month in April from 8,709 to 8,526 thousand barrels/day, gas production to decrease 869 million cubic feet/day from 84,027 to 83,158 million cubic feet/day .

Brent rose 16 cents, or 0.5%, to $31.64 a barrel, WTI were up 37 cents, or 1.6%, to $23.13 a barrel

effective oil supply cuts by OPEC and its allies, a group known as OPEC+, will amount to 12.5 million barrels per day

OPEC led by Saudi Arabia and its allies led by Russia, which together make up the informal OPEC+ group, had forged a pact to curb crude production by 10 million barrels per day (bpd) or 10% of global supplies in marathon talks on Thursday.

We will use the SPR to store as much oil as possible," US Energy Secretary Dan Brouillette said at a G20 energy summit. "This will take surplus oil off the market at a time when commercial storage is filling up and the market is oversupplied."

Markets were closed for the Good Friday holiday in major centres. But on Thursday, Brent oil prices LCOc1, which hit an 18-year low last month, were trading around $32 a barrel, half their level at the end of 2019.

U.S. Rig Count is down 62 rigs from last week to 602, Canada Rig Count is down 6 rigs from last week to 35