Charles Oliver Buckner, Director at Patterson-UTI, holds 82.88K shares in Patterson-UTI (Ticker: PTEN), holds 0.00 shares in EPL Oil & Gas (Ticker: EPL), holds 0.00 shares in TerraForm Global (Ticker: ~GLBL). Most recently, Charles Oliver Buckner Bought ― shares of Patterson-UTI on Mar 12, 2020 for an estimated value of 20.90K.