Cotton Valley

East Texas Haynesville

Encouraged by success stories on the Louisiana side of the Haynesville shale, operators in East Texas are taking a turn in the spotlight.

May 1, 2010

Cabot Reports First Eagle Ford Well IPs 358 BOE/d; Third Cotton Valley IPs 11.1 MMcf/d

Chairman, president and CEO Dan Dinges: “This production rate is consistent with recently announced competitor wells in the area and is still strengthening."

April 29, 2010

Map: Cotton Valley North Central Gulf Basin

Map of north-central Gulf Coast Basin from Schenk and Viger (1996) showing outlines of three Cotton Valley Group plays identified by U.S. Geological Survey in the 1995 National Assessment of the United States oil and gas resources. Shown are the Cotton Valley Blanket Sandstones gas play (4923) identified as a continuous gas play, and the Cotton Valley Salt Basins gas play (4922) and Cotton Valley Sabine Uplift gas play (4924) identified as conventional gas plays.Source: USGS: Geologixal Studies of Basin-Centered Gas SystemsU.S. Geological Survey Bulletin 2184-D

March 25, 2010

Table: Chronostratigraphic Section of North Louisiana

Chronostratigraphic section of northern Louisiana modified from Shreveport Geological Society (1987).Source: USGS: Geologixal Studies of Basin-Centered Gas SystemsU.S. Geological Survey Bulletin 2184-D

March 25, 2010

Mainland Resources To Sell LA Haynesville Assets For $27.1MM

The deal values the assets at $17,500 per acre and targets the Cotton Valley trend.

March 15, 2010

GMX Sets $175MM Capex Budget; E TX Haynesville/Bossier Well IPs At 14.1 MMcfe/d

GMX will spend the majority of capex on 20 Haynesville/Bossier wells and two Cotton Valley Sand wells.

March 12, 2010