Number | Name | Date | Kind |
---|---|---|---|
3989284 | Blose | Nov 1976 | A |
4244607 | Blose | Jan 1981 | A |
4600224 | Blose | Jul 1986 | A |
4648627 | Reimert | Mar 1987 | A |
4703959 | Reeves et al. | Nov 1987 | A |
4707001 | Johnson | Nov 1987 | A |
4822081 | Blose | Apr 1989 | A |
4830411 | Tsuru et al. | May 1989 | A |
4917409 | Reeves | Apr 1990 | A |
5360240 | Mott | Nov 1994 | A |
5415441 | Kolgore et al. | May 1995 | A |
5427418 | Watts | Jun 1995 | A |
5924745 | Campbell | Jul 1999 | A |
5954374 | Gallagher et al. | Sep 1999 | A |
5984568 | Lohbeck | Nov 1999 | A |
6042153 | DeLange | Mar 2000 | A |
6050610 | Enderle et al. | Apr 2000 | A |
6123368 | Enderle | Sep 2000 | A |
6206436 | Mallis | Mar 2001 | B1 |
6254146 | Church | Jul 2001 | B1 |
6270127 | Enderle | Aug 2001 | B1 |
6273474 | DeLange | Aug 2001 | B1 |
6322109 | Campbell et al. | Nov 2001 | B1 |
Number | Date | Country |
---|---|---|
0 127 560 | Jan 1990 | EP |
1 106 778 | Jun 2001 | EP |
2 361 724 | Oct 2001 | GB |
WO 9842947 | Mar 1998 | WO |
WO 0104520 | Jan 2001 | WO |
Entry |
---|
Scott et al., “VAM-PRO A Premium that cuts Rig Operational Costs,” World Oil, pp. 103-146 (Oct. 1995). |
Scott et al., “2002 Tubing Reference Tables,” World Oil, pp. T-3-T-10 (Jan. 2002). |