Southwestern Energy Drills 'Best Well to Date' In Brown Dense by Luke Jones Posted 11/1/2013 10:41 am Updated 4 years ago Southwestern Energy Co. of Houston reported this week it had drilled its "best well to date" in the Lower Smackover Brown Dense formation. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 15 days. Purchase Now Already have archive access? Login to view this article.