Number | Name | Date | Kind |
---|---|---|---|
3611933 | Lanning | Oct 1971 | |
3677342 | Silverman | Jul 1972 | |
4027917 | Bartel et al. | Jun 1977 | |
4360233 | Ricketts | Nov 1982 | |
4372615 | Ricketts | Feb 1983 | |
4378841 | Cha | Apr 1983 | |
4423908 | Ricketts | Jan 1984 | |
4440444 | Ricketts et al. | Apr 1984 | |
4449753 | Ricketts et al. | May 1984 |
Entry |
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Lekas et al., "Fracturing Oil Shale with Nuclear Explosives for In-situ Retorting", Quarterly of the Colorado School of Mines, Jul. 1965, pp. 7-30. |