Oil pumpjacks operate on November 2, 2021 in Long Beach, California.

Oil prices were down on Monday, but reversed some losses after hitting their lowest since early January on conflicting reports about whether Saudi Arabia and other OPEC oil producers are considering a half-million barrel daily output increase.

Brent crude futures for January fell $1.41, or 1.6%, to $86.21 a barrel. U.S. West Texas Intermediate (WTI) crude futures for December were down $1.69, or 2.1%, at $78.39 ahead of the contract's expiry later on Monday.