Number | Name | Date | Kind |
---|---|---|---|
2961539 | Egan et al. | Nov 1960 | |
3909603 | Nicolas | Sep 1975 | |
4047027 | Bateman et al. | Sep 1977 | |
4441361 | Carlson et al. | Apr 1984 | |
4490609 | Chevalier | Dec 1984 | |
4492865 | Murphy et al. | Jan 1985 | |
4558220 | Evans | Dec 1985 | |
4574193 | Arnold et al. | Mar 1986 | |
4737636 | Smith, Jr. | Apr 1988 | |
4864129 | Paske et al. | Sep 1989 | |
4924099 | Lim et al. | May 1990 | |
4939362 | Supernaw et al. | Jul 1990 | |
5012091 | Moake | Apr 1991 | |
5205167 | Gartner et al. | Apr 1993 |
Number | Date | Country |
---|---|---|
2227841A | Aug 0890 | GBX |
Entry |
---|
Evans, "Three Phase Borehole Fluid Identification System", The Log Analyst, Mar.-Apr. 1979, p. 41. |