Memorial Resource Development Corp. is engaged in the acquisition, exploitation, and development of natural gas, natural gas liquids (NGL) and oil properties primarily in North Louisiana and East Texas to exploit, develop and acquire natural gas, NGL and oil properties in North America. The Company operates through two business segments: MRD and MEMP. The MRD segment is focused on the exploitation, development, and acquisition of natural gas, NGL and oil properties mainly in the Cotton Valley formation in North Louisiana and East Texas as well as the Rocky Mountains. The MEMP segment is engaged in the acquisition, exploitation, development and production of oil and natural gas properties, with assets consisting primarily of producing oil and natural gas properties that are principally located in East Texas and North Louisiana, the Permian Basin, offshore Southern California, the Rockies, and the Eagle Ford and South Texas.