Unit Corp

Talos Energy, an exploration and production company involved in offshore drilling, was the weakest upstream stock in the week ending September 21.

Black Stone Minerals (BSM), a mineral interest owner structured as an MLP, was the strongest E&P (exploration and production) stock last week, rising 11.1%.

SandRidge Energy was the weakest E&P company in the week ending August 31. SandRidge Energy fell 4.5% last week amid weakness in natural gas prices.

On June 7, the EIA reported that US natural gas inventories rose 92 Bcf to 1,817 Bcf from May 25 to June 1.

So far this week (as of Tuesday, November 14), Energy XXI Gulf Coast (EXXI) has fallen from last week’s close of $8.83 to $5.49—a significant fall of ~38%.