Number | Name | Date | Kind |
---|---|---|---|
1387447 | Alford | Aug 1921 | |
2124414 | Goldman | Jul 1938 | |
2216963 | Sinclair | Oct 1940 | |
2334746 | Brantly | Nov 1943 | |
3330349 | Owsley et al. | Jul 1967 | |
3908759 | Cagel et al. | Sep 1975 | |
4182423 | Ziebarth et al. | Jan 1980 | |
4266621 | Brock | May 1981 | |
4397355 | McLamore | Aug 1983 | |
4397360 | Schmidt | Aug 1983 | |
4765404 | Bailey et al. | Aug 1988 | |
5109924 | Jurgens et al. | May 1992 | |
5113948 | Clayton | May 1992 | |
5199513 | Stewart et al. | Apr 1993 | |
5277251 | Blount et al. | Jan 1994 | |
5383522 | Hailey | Jan 1995 | |
5445222 | Pritchard et al. | Aug 1995 | |
5452759 | Carter et al. | Sep 1995 | |
5467819 | Braddick | Nov 1995 | |
5474126 | Lynde et al. | Dec 1995 | |
5484021 | Hailey | Jan 1996 | |
5499680 | Walter et al. | Mar 1996 | |
5499682 | Sieber | Mar 1996 | |
5551509 | Braddick | Sep 1996 | |
5592991 | Lembcke et al. | Jan 1997 | |
5595247 | Braddick | Jan 1997 |
Number | Date | Country |
---|---|---|
2299105 | Sep 1996 | GBX |
2303158 | Feb 1997 | GBX |
Entry |
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Track Master Sidetracking System; Feb. 24 1995; (1 sheet). |
A-Z Grant International; Casing Sidetrack Systems; undated; (7 pgs.). |
A-Z SERVCO Performance Bulletin; Smith International, Inc.; 1995 (1 pg.). |