Two brothers hit pay dirt during the shale boom when they sold their Texas fracking company in 2011 for $3.5 billion. But many of their more recent investments in the Permian have turned to dust. (Bloomberg) — Farris and Dan Wilks hit pay dirt during the shale boom when they sold their Texas fracking company in 2011 for $3.5 billion, giving them ample resources to fund their interests in land, politics and religion. But many of their more recent investments in the Permian Basin have turned to dust. The brothers put some of their fortune into Cisco, Texas-based Wilks Brothers LLC to invest in various businesses, including natural gas producer Approach Resources Inc. The shale driller sought bankruptcy protection Monday after 4 1/2 years of losses, erasing more than $110 million of the Wilkses’ wealth. That follows the recent implosion of at least two other firms in which they […]