The Haynesville Shale, in combination with the Lower Bossier Shale, has the potential to become a world-class gas play. It's old enough to gather a host of major operators and resource estimates, yet young enough to offer gains from drilling, completion, and operating improvements.

In its "Worldwide Gas Sales and Unconventional Gas: A Status Report" published in December 2009, Advanced Resources International reported that the Haynesville had no production in 2000, an estimated production rate of 900 MMcf/d of gas in 2009, and an estimated production rate of 1.9 Bcf/d ...