OTOH reducing the supply raises the price of oil and thereby allows Russia to charge more for their main product of export. At the start of the war Trump reduced Russian oil sanctions[1]. Trump is also collecting all the money from Venezuelan oil sales[2].

1. https://www.nbcnews.com/world/russia/trump-eases-russian-oil...

2. https://newrepublic.com/post/213566/trump-hoarding-billions-...