Patterson UTI (PTEN) is down 56 cents to $13.16 and some players are showing interest in Sep and Oct 15 calls after Baker Hughes (BHI) bought BJ Services (BJS), sparking speculation that Halliburton (HAL) might make a bid for PTEN — Briefing. Shares aren’t reacting, but options are active and average implied volatility in PTEN options is up to 52, froim about 48 late Friday (52 week high and low = 144 and 44).