Number | Name | Date | Kind |
---|---|---|---|
2169559 | Halliburton | Aug 1939 | |
2681110 | Harrison | Jun 1954 | |
2740479 | Schwegman | Apr 1956 | |
2947361 | Hyde | Aug 1960 | |
2982130 | McMahan | May 1961 | |
3103811 | Ayres et al. | Sep 1963 | |
3189094 | Hyde | Jun 1965 | |
3253654 | Briggs, Jr. et al. | May 1966 | |
3254531 | Briggs, Jr. | Jun 1966 | |
3273647 | Briggs, Jr. et al. | Sep 1966 | |
3273659 | Reynolds, Jr. | Sep 1966 | |
3456726 | Barrington et al. | Jul 1969 | |
3610335 | Smith | Oct 1971 | |
3664415 | Wray et al. | May 1972 | |
3964305 | Wray et al. | Jun 1976 | |
3969937 | Barrington et al. | Jul 1976 | |
4063593 | Jessup | Dec 1977 | |
4426882 | Skinner | Jan 1984 | |
4484632 | Vann | Nov 1984 | |
4614156 | Colle, Jr. et al. | Sep 1986 | |
4633952 | Ringgeberg | Jan 1987 | |
4655298 | George et al. | Apr 1987 | |
4657082 | Ringgenberg | Apr 1987 |
Entry |
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Hallibutron Services Sales and Service Catalog No. 43, p. 2548. |
U.S. patent application Ser. No. 040,219 filed Apr. 20, 1987, on behalf of David S. Wesson, Michael E. McMahan and Flint R. George. |
U.S. patent application Ser. No. 064,285 filed Jun. 19, 1987, to Christensen. |
Engineered Well Completion Product Catalog published by Vann Systems, pp. B-5-B-8. |
GEO Vann Engineered Well Completions Catalog, p. B-22. |
Halliburton Services Sales and Service Catalog No. 43, pp. 2533-2534. |