Number | Date | Country | Kind |
---|---|---|---|
4366623 | Jan 1988 | SUX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/SU88/00234 | 11/22/1988 | 9/20/1989 | 9/20/1989 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO89/06739 | 7/27/1989 |
Number | Name | Date | Kind |
---|---|---|---|
2214226 | English | Sep 1940 | |
2447629 | Beissinger et al. | Aug 1948 | |
3054455 | Keltner | Sep 1962 | |
3191677 | Kinley | Jun 1965 | |
3326293 | Skipper | Jun 1967 |
Number | Date | Country |
---|---|---|
0907220 | Feb 1982 | SUX |
1008419 | Mar 1983 | SUX |
1010252 | Apr 1983 | SUX |
Entry |
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Uren, Petroleum Production Engineering-Oil Field Development, Fourth Edition, McGraw-Hill Book Co., Inc., N.Y., 1956, pp. 398-401. |
Neftyanoe Khozyaistvo, No. 4, 1982, pp. 26 and 27. |