United States

• Alaska
• Anadarko- Oklahoma,
• Appalachians- Marcellus Shale
• Arkoma- Arkansas- Fayetteville Shale
• California
• East Texas-Louisiana- Mississippi, Alabama, Florida,
• Green River, Uinta, Paradox, Piceance, Colorado-Wyoming
• Gulf Coast
• Gulf of Mexico
• Illinois
• Kansas, Missouri
• Michigan
• Nevada, Utah
• North Texas- Barnett Shale
• Permian Basin-West Texas, New Mexico,
• South Texas – Eagleford Shale
• United States Case Studies
• Washington
• Williston-Montana, North Dakota, South Dakota