Number | Date | Country | Kind |
---|---|---|---|
2004393 | Dec 1989 | CAX |
Number | Name | Date | Kind |
---|---|---|---|
2075882 | Brantly | Apr 1937 | |
2206389 | Cannon | Jul 1940 | |
3196946 | Lauffer | Jul 1965 | |
4210455 | Metcalf et al. | Jul 1980 | |
4333764 | Richardson | Jun 1982 | |
4602685 | McKenzie et al. | Jul 1986 | |
4655286 | Wood | Apr 1987 | |
4767460 | Parcevaux et al. | Aug 1988 | |
4924942 | Shen | May 1990 | |
5020594 | Gill | Jun 1991 | |
5036496 | Rutledge | Jul 1991 |
Entry |
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Smith, Dwight K., "Cementing Additives", Cementing, 1987, pp. 18, 19, 20, 36. |