1. N. Lamont, and F. W. Jessen, J. Pet. Tech. 15, 203 (1963).
2. A. A. Daneshy, in SPE-European Spring Meeting, Amsterdam, the Netherlands, 29-30 May 1974 (SPE, Amsterdam, 1974), p. 4852.
3. T. L. Blanton, in SPE/DOE Unconventional Gas Recovery Symposium of the Society of Petroleum Engineers, Pittsburgh, USA, 16-18 May 1982 (SPE, Pittsburgh, 1982), p. 10847.
4. T. L. Blanton, in Unconventional Gas Technology Symposium of the Society of Petroleum Engineers, Louisville, USA, 18-21 May 1986 (SPE, Louisville, 1986), p. 15261.
5. N. R. Warpinski, and L. W. Teufel, J. Pet. Tech. 39, 209 (1987).