Number | Name | Date | Kind |
---|---|---|---|
2435016 | Pitts | Jan 1948 | |
2488819 | Larkin | Nov 1949 | |
3097698 | Corley, Jr. et al. | Jul 1963 | |
3451476 | Pitts | Jun 1969 | |
3789926 | Henley et al. | Feb 1974 | |
3948322 | Baker | Apr 1976 | |
4260017 | Nelson et al. | Apr 1981 |
Number | Date | Country |
---|---|---|
0047906 | Aug 1979 | SUX |
0048008 | Sep 1980 | SUX |
0048104 | Aug 1981 | SUX |
Entry |
---|
"Multiple Stage Cementing uses 2 and 3-Stage Methods" by Montgomery, World oil, 12/1954. |