Number | Date | Country | Kind |
---|---|---|---|
8629746 | Dec 1986 | GBX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/GB87/00903 | 12/14/1987 | 8/12/1988 | 8/12/1988 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO88/04353 | 6/16/1988 |
Number | Name | Date | Kind |
---|---|---|---|
3856094 | Davis | Dec 1974 | |
3856335 | Blake | Dec 1974 | |
3923105 | Lands, Jr. | Dec 1975 | |
4616701 | Stout et al. | Oct 1986 | |
4693317 | Edwards et al. | Sep 1987 |
Entry |
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Way et al., "Engineers Evaluate Submersible Pumps in North Sea Field", Petroleum Engineer International, Jul. 1982, pp. 92, 94, 96, 98-100, 104, 108 and 112. |