Looked it up:
The last day the funds will accept creation orders is March 27, 2020. Trading in the funds will be halted prior to market open on March 30, 2020. Beginning on March 30, 2020, the funds will not be traded on their respective exchanges, and there will be no secondary market for the shares. On or about March 27, 2020, the funds will begin the process of liquidating their portfolios and may no longer be managed in accordance with their investment objectives. Any shareholders remaining in the funds will have their shares redeemed at net asset value on or about April 3, 2020.
Well it was nice while it lasted. I am sure NAV will be like $0.20/share on that day... My main investments in oil were stocks for the long run with OILU as a cherry kicker for shits and giggles.