Number | Name | Date | Kind |
---|---|---|---|
3261132 | Edwards, Jr. | Jul 1966 | |
4237979 | Weise | Dec 1980 | |
4296806 | Taylor et al. | Oct 1981 | |
4436149 | Edwards | Mar 1984 | |
4633943 | Zunkel | Jan 1987 | |
4664188 | Zunkel et al. | May 1987 | |
4669538 | Szarka | Jun 1987 | |
4832129 | Sproul et al. | May 1989 | |
5145005 | Dollison | Sep 1992 | |
5332038 | Tapp et al. | Jul 1994 | |
5375659 | Gilbert et al. | Dec 1994 | |
5404956 | Bohlen et al. | Apr 1995 | |
5479989 | Shy et al. | Jan 1996 | |
5564502 | Crow et al. | Oct 1996 | |
5682921 | Rawson et al. | Nov 1997 |
Number | Date | Country |
---|---|---|
2318817A | May 1998 | GBX |
Entry |
---|
"Underbalanced Completions Improve Well Safety and Productivity", World Oil, Nov., 1995. |
"Underbalanced Drilling and Completion Manual" Maurer Engineering, Oct., 1996. |