1. U.S. Energy Information Administration. Form EIA-23L, Annual Report of Domes-tic Oil and Gas Reserves, 2016 and 2017. Available from: https://www.eia.gov/naturalgas/crudeoilreserves/pdf/table_4.pdf.
2. World Shale Resources Assessments. U.S. Energy Information Administration; 2015. Available from: https://www.eia.gov/analysis/studies/worldshalegas.
3. Data from World Energy Council. Available from: https://www.worldenergy.org/data/ resources/resource/oil/.
4. Shale resource systems for oil and gas: Part 1—shale-gas resource systems;Jarvie,2012
5. Slip flow in porous media;Moghaddam;Fuel,2016