http://webapps.rrc.state.tx.us/DP/drillDownQueryAction.do?fromPublicQuery=Y&name=HEARD+BOWER+EAST+UNIT&univDocNo=488501436
http://webapps.rrc.state.tx.us/DP/drillDownQueryAction.do?fromPublicQuery=Y&name=FOUR+CORNERS+BRANCH-UNIT+%27A%27&univDocNo=488501488