Goodrich Petroleum Corp, formed in 1995, is an independent oil and natural gas company engaged in the exploration, development and production of oil and natural gas on properties in South Texas, which includes the Eagle Ford Shale Trend, Northwest Louisiana and East Texas, which includes the Haynesville Shale and Cotton Valley Taylor Sand and Southwest Mississippi and Southeast Louisiana which includes the Tuscaloosa Marine Shale ("TMS"). As of December 31, 2013, it has acquired or farmed-in leases totaling approximately 45,100 gross (30,000 net) lease acres. In 2010, it began development and production activity in the Eagle Ford Shale and Buda Lime formations ("Eagle Ford Shale Trend") in La Salle and Frio Counties located in South Texas. As of December 31, 2013, it has acquired approximately 415,100 gross (306,400 net) lease acres in the Tuscaloosa Marine Shale Trend, an emerging oil shale play in Southwest Mississippi and Southeast Louisiana. During 2013, it conducted drilling operations on 9 gross (5 net) wells and added 7 gross (3 net) wells to production in the Tuscaloosa Marine Shale. As of December 31, 2013, it has acquired or farmed-in leases totaling approximately 112,100 gross (66,800 net) acres in the Haynesville Shale. During 2013, it added 13 gross (6 net) previously cased Haynesville Shale wells to production, with the majority of those wells (12 gross, 5 net) originating in Northwest Louisiana in its joint venture with Chesapeake Energy Corporation. Its Haynesville Shale drilling activities are located in five primary leasehold areas in Northeast Texas and Northwest Louisiana. As of December 31, 2013, it has acquired or farmed-in leases totaling approximately 42,200 gross (37,400 net) acres in the Cotton Valley Taylor Sand Trend. During 2013, it conducted workovers and recompletions on the existing wells in the area and did not drill any new wells. As of December 31, 2013, it maintained ownership interests in acreage and/or wells in several additional fields, including the Midway field in San Patricio County, Texas and the Garfield Unit in Kalkaska County, Michigan. The Company's operations are subject to stringent and complex federal, regional, state and local laws and regulations governing occupational health and safety, the discharge of materials into the environment or otherwise relating to environmental protection.