Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/SU88/00237 | 11/22/1988 | 8/2/1990 | 8/2/1990 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO90/05833 | 5/31/1990 |
Number | Name | Date | Kind |
---|---|---|---|
2734580 | Layne | Feb 1956 | |
3364993 | Skipper | Jan 1968 | |
3477506 | Malone | Nov 1969 | |
3785193 | Kinley et al. | Jan 1974 | |
4308736 | Lowe | Jan 1982 | |
4830109 | Wedel | May 1989 | |
4976322 | Abdrakhmarov et al. | Dec 1990 |
Number | Date | Country |
---|---|---|
108480 | Jan 1957 | SUX |
199819 | Jan 1967 | SUX |
609870 | Jan 1978 | SUX |
827750 | Jan 1981 | SUX |
976020 | Jan 1982 | SUX |
1411434 | Jan 1988 | SUX |
1424918 | Jan 1988 | SUX |
1493946 | Jan 1977 | GBX |
Entry |
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M. S. Vinarski, "Sovremennye methody borby s oslozhneniyami pri burenii neftyanykh skvazhin v Tatarii"/Present-Day Methods of Fighting Troubles in Drilling Oil Wells in the Tartar Republic/, 1959, Tatarskoye Knizhnoye Izdatel'stovo (Kazan) pp. 78-80). |