I'll say it again for dang near the thousandth time in the past 12 months or so ...
I expect an average of $70 Oil [Brent] for 2019.
In my view, $70 oil is a suitable, sustainable balance between global oil producers and global oil consumers...
Not too high, not too low. Goldilocks price.
At $70 oil, sufficient profits can be made by most oil producers to reinvest in exceedingly cost intensive Exploration activities, as well as get caught up on long-delayed major maintenance act