Levey, R. A., and Sippel, M. A., 1997, Determination of Well Spacing for Maximum Efficiency in Fluvial Gas Reservoirs Using Geostatistical Evaluation and Forward Stochastic Modeling: Proceedings SPE annual meeting 1997 San Antonio, Texas SPE paper 38915
Levey, R. A., 2002, Research Institutes — Answering Industry’s Call for Applied Research Applications; American Association of Petroleum Geologists Annual Meeting, Session: The Future of Petroleum R&D; Houston, Texas.
Levey, R. A., Tyler, Noel, Hardage, B. A., Carr, D. L., Ruthven, C. L., Lancaster, David, Elphick, Robert, and Ballard, J. R., 1994, Secondary natural gas recovery: targeted technology applications for infield reserve growth in Mid-continent sandstone: In Focus Tight Gas Sands, v. 10, no. 1, p. 39 42.
Levey, R. A., Smith, P., Deo, M.D., Keiter, R., Lemmon, M., 2007, North American Unconventional Oil Resources: Electronic Access to Technical, Legal, Environmental and Economic Issues — American Association of Petroleum Geologists Annual Meeting, Session: Alternative Energy Resources: Promises and Pitfalls; Long Beach, California.