Related by context. Frequent words. (Click for all words.) 58 Haynesville Shale 58 Bakken 57 Haynesville 55 Piceance Basin 55 Three Forks 54 Fayetteville Shale 53 Williston Basin 52 Teton 52 Pinedale 52 Platte 52 Wyoming 51 horizontal wells 51 Permian Basin 51 Montney 51 Marcellus 50 horizontal drilling 50 Barnett Shale 50 Bossier 49 shale 49 Atoka 49 Pawnee 48 Marcellus shale 48 Laramie 48 Shoshone 47 wells drilled 47 coalbed methane 47 Las Animas 47 wells 47 Cardium 47 Antelope 47 North Platte 46 Okmulgee 46 Ogallala 46 Pembina 46 Natrona County 46 Petrohawk 46 Box Elder 46 acreage 46 Cimarron 46 bed methane 45 Ford Shale 45 Caddo 45 Gunnison 45 Elk 45 Powder River Basin 45 Osage 45 Kiowa 44 Platte River 44 Pottawatomie County 44 Basin 44 Comanche 44 Appalachian Basin 44 Marcellus Shale 44 Uintah 44 Spearfish 44 Anadarko 44 EOG 43 Cheyenne 43 Weld County 43 Trego 43 Bottineau 43 Parshall 43 Sandstone 43 Tioga 43 Bartlesville 42 Sioux 42 North Dakota 42 Flathead 42 McMoRan 42 Battle Mountain 42 Cedaredge 42 Shale 41 Vermillion 41 McCook 41 shale gas 41 Butte 41 Panola 41 Shawnee 41 Mandan 41 Raton 41 Sublette 41 frac 41 Belle Fourche 41 Arapahoe 40 Western Slope 40 Hot Springs 40 Yankton 40 shales 40 recoverable reserves 40 Elk Creek 40 Chickasha 40 South Dakota 40 MMcfe d 40 Tishomingo 40 Routt County 40 Stillwater 40 Broken Bow 40 Williston 40 Dakota 40 Vermilion 39 Kemmerer