Wolfberry Play The Wolfberry is a combination play of Wolfcamp Shale (interbedded shale and sandstone) and Spraberry Sandstone with shale/mudstone and limestone intervals. Freehold Mineral Owners of Canada Canada freehold mineral owners oil & gas lease and mineral rights discussion group for Ontario, Manitoba, Saskatchewan, Alberta and British Columbia. Right of Way Owners Right-of-way owners, pipeline easements, as well as other energy and utility right of way topics where we share experience, rates, and recent news. Mississippian Carbonate Play Oil & gas discussion group for those interested in the Mississippian Carbonate oil play. Share your experience regarding lease bonus, royalty rates, drilling activity, and oil & gas news Granite Wash Oil & gas discussion group for those interested in the Granite Wash. Share your experience regarding lease bonus, royalty rates, drilling activity, and oil & gas news. Eagleford Shale Area Courthouses This is the Eagleford Shale Area Courthouses category. Real property records are kept in the following courthouses. GIS Maps This is the GIS Maps Category. It contains links to all of the free publicly available GIS map viewing applications from the state regulatory agencies from each oil and gas producing state. Bakken Shale Area Courthouses This is the Bakken Shale Area Courthouses category. Real property records are kept in the following courthouses. State Regulatory Agencies This is the State Regulatory Agency Category. Each state has it’s own regulatory agency which regulates the oil and gas industry in the state. Industry Associations This is the Industry Associations category. Discussions here should be specifically related to oil and gas non profit and/or professional industry associations.