http://webapps.rrc.state.tx.us/DP/drillDownQueryAction.do?fromPublicQuery=Y&name=SHUSA%2B%252715%2527&univDocNo=488781853
http://webapps.rrc.state.tx.us/DP/drillDownQueryAction.do?fromPublicQuery=Y&name=RUSSELL%2BCLEARFORK%2BUNIT&univDocNo=488756842