| 33/9-A-10 Production | Den norske stats oljeselskap a.s | Statfjord | Feb 22, 1991 | 4,700 | Oil | — |
| 33/9-U-4 Soil drilling | Den norske stats oljeselskap a.s | — | Feb 21, 1991 | 208 | — | — |
| 34/8-5 Appraisal | Norsk Hydro Produksjon AS | Visund | Feb 18, 1991 | 3,540 | Shows | coresphotoscuttingsfluidspalygeochemtopslogs |
| 34/10-C-6 Production | Den norske stats oljeselskap a.s | Gullfaks | Feb 11, 1991 | 3,200 | Oil | coresfluids |
| 2/1-A-6 A Production | BP Norway Limited U.A. | Gyda | Feb 6, 1991 | 4,507 | Oil | — |
| 30/9-B-8 Injection | Norsk Hydro Produksjon AS | Oseberg | Feb 4, 1991 | 3,655 | Gas | — |
| 7120/2-2 Wildcat | Norsk Hydro Produksjon AS | — | Jan 27, 1991 | 2,794 | Oil shows | coresphotoscuttingspalygeochemtopslogs |
| 2/4-W-7 Injection | Phillips Petroleum Company Norway | Ekofisk | Jan 27, 1991 | 4,377 | Water | — |
| 25/2-14 Appraisal | Elf Petroleum Norge AS | Hugin Satellitter | Jan 25, 1991 | 3,623 | Dry | coresphotoscuttingspalygeochemtopslogs |
| 34/10-A-20 A Injection | Den norske stats oljeselskap a.s | Gullfaks | Jan 23, 1991 | 2,400 | Water | — |
| 30/9-B-12 A Production | Norsk Hydro Produksjon AS | Oseberg | Jan 18, 1991 | 3,992 | Oil | — |
| 2/4-C-22 Production | Phillips Petroleum Company Norway | Ekofisk | Jan 16, 1991 | 3,981 | Oil | — |
| 6201/11-2 Wildcat | Den norske stats oljeselskap a.s | — | Jan 11, 1991 | 3,778 | Dry | coresphotoscuttingspalygeochemtopslogs |
| 2/11-A-1 Production | Amoco Norway Oil Company | Hod | Jan 7, 1991 | 4,723 | Oil | corescuttings |
| 34/7-P-29 Production | Saga Petroleum ASA | Snorre | Jan 1, 1991 | 2,985 | Oil | corescuttings |
| 35/9-2 Wildcat | Norsk Hydro Produksjon AS | Gjøa | Jan 1, 1991 | 2,885 | Oil/gas | coresphotoscuttingsfluidsDSTpalygeochemtopslogs |
| 34/10-B-14 A Injection | Den norske stats oljeselskap a.s | Gullfaks | Dec 26, 1990 | 4,532 | Water | — |
| 2/4-K-16 Injection | Phillips Petroleum Company Norway | Ekofisk | Dec 26, 1990 | 5,220 | Water | — |
| 25/5-4 Wildcat | Elf Petroleum Norge AS | Skirne | Dec 22, 1990 | 3,185 | Gas/condensate | corescuttingsDSTgeochemtopslogs |
| 6407/7-5 Appraisal | Norsk Hydro Produksjon AS | Njord | Dec 17, 1990 | 3,725 | Shows | coresphotoscuttingspalygeochemtopslogs |
| 2/4-B-17 A Production | Phillips Petroleum Company Norway | Ekofisk | Dec 17, 1990 | 3,926 | Oil | — |
| 6406/12-1 S Wildcat | Den norske stats oljeselskap a.s | — | Dec 15, 1990 | 3,965 | Dry | coresphotoscuttingspalygeochemtopslogs |
| 2/7-A-23 B Production | Phillips Petroleum Company Norway | Eldfisk | Dec 10, 1990 | 3,406 | Oil/gas | cores |
| 34/10-A-31 Production | Den norske stats oljeselskap a.s | Gullfaks | Dec 8, 1990 | 3,110 | Oil | — |
| 34/8-4 S Wildcat | Norsk Hydro Produksjon AS | Visund | Dec 6, 1990 | 4,150 | Gas/condensate | coresphotoscuttingsfluidsDSTpalygeochemtopslogs |
| 2/1-A-17 Injection | BP Norway Limited U.A. | Gyda | Dec 5, 1990 | 4,423 | Water | cores |
| 2/8-A-12 B Production | Amoco Norway Oil Company | Valhall | Dec 2, 1990 | 3,657 | Oil | — |
| 2/7-25 S Appraisal | Phillips Petroleum Company Norway | Embla | Nov 29, 1990 | 5,177 | Dry | coresphotoscuttingstopslogs |
| 2/4-W-2 Injection | Phillips Petroleum Company Norway | Ekofisk | Nov 25, 1990 | 5,121 | Water | — |
| 30/9-11 A Wildcat | Norsk Hydro Produksjon AS | — | Nov 20, 1990 | 3,002 | Shows | coresphotoscuttingspalygeochemtopslogs |
| 30/3-A-10 Injection | Den norske stats oljeselskap a.s | Veslefrikk | Nov 14, 1990 | 4,193 | Water | coresphotoscuttings |
| 30/9-B-2 Injection | Norsk Hydro Produksjon AS | Oseberg | Nov 9, 1990 | 4,247 | Gas | corescuttings |
| 33/9-C-3 Production | Den norske stats oljeselskap a.s | Statfjord | Nov 9, 1990 | 7,250 | Oil | — |
| 2/7-24 Wildcat | Phillips Petroleum Company Norway | — | Nov 7, 1990 | 5,023 | Dry | coresphotoscuttingstopslogs |
| 15/12-7 S Wildcat | Den norske stats oljeselskap a.s | — | Nov 6, 1990 | 3,570 | Dry | coresphotoscuttingspalygeochemtopslogs |
| 30/3-A-9 Injection | Den norske stats oljeselskap a.s | Veslefrikk | Oct 31, 1990 | 5,545 | Water | cores |
| 6407/6-4 Appraisal | Mobil Exploration Norway INC | Mikkel | Oct 31, 1990 | 3,126 | Oil shows | coresphotoscuttingsfluidspalygeochemtopslogs |
| 30/9-11 Wildcat | Norsk Hydro Produksjon AS | — | Oct 27, 1990 | 2,570 | Dry | coresphotoscuttingspalygeochemtopslogs |
| 2/4-C-18 Production | Phillips Petroleum Company Norway | Ekofisk | Oct 22, 1990 | 4,022 | Oil | — |
| 25/11-14 SR Appraisal | Esso Exploration and Production Norway A/S | Balder | Oct 19, 1990 | 2,081 | Oil | DSTtopslogs |
| 6406/11-1 S Wildcat | Saga Petroleum ASA | — | Oct 19, 1990 | 4,185 | Oil shows | coresphotoscuttingsDSTpalygeochemtopslogs |
| 2/4-W-6 Injection | Phillips Petroleum Company Norway | Ekofisk | Oct 14, 1990 | 4,205.6 | Water | — |
| 31/5-4 A Appraisal | Norsk Hydro Produksjon AS | Troll | Oct 10, 1990 | 2,603 | Oil/gas | topslogs |
| 34/10-A-30 Production | Den norske stats oljeselskap a.s | Gullfaks | Oct 3, 1990 | 2,200 | Oil | fluids |
| 2/11-A-2 Production | Amoco Norway Oil Company | Hod | Oct 1, 1990 | 3,701 | Oil | corescuttingsfluids |
| 7/11-10 SR Appraisal | Norsk Hydro Produksjon AS | Mime | Sep 25, 1990 | 4,565 | Oil | — |
| 2/4-A-22 Production | Phillips Petroleum Company Norway | Ekofisk | Sep 25, 1990 | 3,900.2 | Oil | — |
| 2/4-K-7 Injection | Phillips Petroleum Company Norway | Ekofisk | Sep 24, 1990 | 4,990 | Water | — |
| 6205/3-1 R Wildcat | Norsk Hydro Produksjon AS | — | Sep 20, 1990 | 5,264 | Shows | coresphotosDSTpalygeochemtopslogs |
| 2/7-A-19 A Production | Phillips Petroleum Company Norway | Eldfisk | Sep 14, 1990 | 3,215.6 | Oil | cores |