http://webapps.rrc.state.tx.us/DP/drillDownQueryAction.do?fromPublicQuery=Y&name=WELDER%2BHEIRS&univDocNo=488713959
http://webapps.rrc.state.tx.us/DP/drillDownQueryAction.do?fromPublicQuery=Y&name=WELDER%2BHEIRS&univDocNo=488717043
http://webapps.rrc.state.tx.us/DP/drillDownQueryAction.do?fromPublicQuery=Y&name=WELDER%2BHEIRS&univDocNo=488717044
http://webapps.rrc.state.tx.us/DP/drillDownQueryAction.do?fromPublicQuery=Y&name=WELDER%2BHEIRS&univDocNo=488717045