NORWAY · DISCOVERIES · NPDID 44534
31/2-1 (Troll Vest)
North Sea · Oil/gas · Producing
An oil and gas discovery in the North Sea, made in 1979 by wellbore 31/2-1, operated by Equinor Energy AS. It is part of the Troll field.
Operator Equinor Energy AS · Discovery wellbore 31/2-1 · Field Troll since May 18, 1992 · Unit TROLL UNIT
Wellbores on the discovery
100 ON FILE · OLDEST FIRST
| Wellbore | Purpose | Operator | Entered | TD, m | Content | On file |
|---|---|---|---|---|---|---|
| 31/2-1 | Wildcat | A/S Norske Shell | Jul 17, 1979 | 2,433 | Oil/gas | |
| 31/2-2 | Appraisal | A/S Norske Shell | Feb 27, 1980 | 1,857 | Oil/gas | |
| 31/2-3 | Appraisal | A/S Norske Shell | Mar 28, 1980 | 2,601 | Oil/gas | |
| 31/2-2 R | Appraisal | A/S Norske Shell | Jun 2, 1980 | 2,600 | Oil/gas | |
| 31/2-4 | Appraisal | A/S Norske Shell | Sep 1, 1980 | 815 | Dry | |
| 31/2-4 R | Appraisal | A/S Norske Shell | Oct 9, 1980 | 5,035 | Oil/gas | |
| 31/2-5 | Appraisal | A/S Norske Shell | Oct 26, 1980 | 2,532 | Oil/gas | |
| 31/2-5 R | Appraisal | A/S Norske Shell | Jun 12, 1981 | 2,525 | Oil/gas | |
| 31/2-6 | Appraisal | A/S Norske Shell | Jul 21, 1981 | 1,760 | Oil/gas | |
| 31/2-1 R | Wildcat | A/S Norske Shell | Oct 26, 1981 | 2,434 | Oil/gas | |
| 31/2-7 | Appraisal | A/S Norske Shell | Apr 22, 1982 | 1,660 | Oil/gas | |
| 31/2-9 | Appraisal | A/S Norske Shell | Aug 29, 1982 | 1,770 | Oil/gas | |
| 31/2-10 | Appraisal | A/S Norske Shell | Oct 2, 1982 | 1,833 | Dry | |
| 31/2-4 R2 | Appraisal | A/S Norske Shell | Nov 4, 1982 | 5,035 | Oil/gas | |
| 31/2-11 | Appraisal | A/S Norske Shell | Mar 17, 1983 | 1,744 | Oil/gas | |
| 31/2-12 | Appraisal | A/S Norske Shell | May 26, 1983 | 1,615 | Oil/gas | |
| 31/5-1 | Appraisal | Saga Petroleum ASA | Sep 5, 1983 | 860 | Not applicable | |
| 31/5-2 | Appraisal | Saga Petroleum ASA | Oct 5, 1983 | 2,500 | Oil/gas | |
| 31/2-13 S | Appraisal | A/S Norske Shell | Jan 2, 1984 | 2,010 | Oil/gas | |
| 31/2-5 R2 | Appraisal | A/S Norske Shell | Mar 22, 1984 | 2,525 | Oil/gas | |
| 31/5-3 | Appraisal | Saga Petroleum ASA | Apr 10, 1984 | 2,250 | Oil/gas | |
| 31/2-14 | Appraisal | A/S Norske Shell | Apr 23, 1984 | 1,725 | Oil/gas | |
| 31/5-2 R | Appraisal | Saga Petroleum ASA | Jun 13, 1984 | 2,500 | Oil/gas | |
| 31/2-15 | Appraisal | A/S Norske Shell | Sep 10, 1984 | 1,677 | Oil/gas | |
| 31/2-F-5 H | Production | Norsk Hydro Produksjon AS | Sep 27, 1989 | 2,390 | Oil | — |
| 31/2-16 S | Appraisal | Norsk Hydro Produksjon AS | Sep 27, 1989 | 2,390 | Oil/gas | |
| 31/5-4 S | Appraisal | Norsk Hydro Produksjon AS | Sep 13, 1990 | 1,909 | Oil/gas | |
| 31/5-4 A | Appraisal | Norsk Hydro Produksjon AS | Oct 10, 1990 | 2,603 | Oil/gas | |
| 31/2-16 SR | Appraisal | Norsk Hydro Produksjon AS | Jun 26, 1991 | 2,391 | Oil/gas | |
| 31/5-4 AR | Appraisal | Norsk Hydro Produksjon AS | Jul 9, 1991 | 2,603 | Oil/gas | |
| 31/2-17 S | Appraisal | Norsk Hydro Produksjon AS | Dec 28, 1991 | 2,220 | Oil/gas | |
| 31/2-17 A | Appraisal | Norsk Hydro Produksjon AS | Jan 20, 1992 | 1,924 | Oil/gas | |
| 31/2-17 B | Appraisal | Norsk Hydro Produksjon AS | Feb 1, 1992 | 1,838 | Gas | |
| 31/2-18 | Appraisal | Norsk Hydro Produksjon AS | Sep 15, 1992 | 1,711 | Oil/gas | |
| 31/2-18 A | Appraisal | Norsk Hydro Produksjon AS | Oct 7, 1992 | 2,005 | Oil/gas | |
| 31/5-5 | Appraisal | Norsk Hydro Produksjon AS | Dec 30, 1992 | 1,930 | Oil/gas | |
| 31/2-17 BR | Appraisal | Norsk Hydro Produksjon AS | Feb 14, 1993 | 1,843 | Gas | |
| 31/2-G-4 H | Observation | Norsk Hydro Produksjon AS | Mar 19, 1994 | 1,944 | Not applicable | |
| 31/2-F-6 H | Observation | Norsk Hydro Produksjon AS | Apr 20, 1994 | 2,150 | Not applicable | |
| 31/2-G-3 H | Production | Norsk Hydro Produksjon AS | May 15, 1994 | 3,422 | Oil | |
| 31/2-G-4 AH | Production | Norsk Hydro Produksjon AS | Aug 6, 1994 | 3,191 | Oil | — |
| 31/2-B-3 H | Injection | Norsk Hydro Produksjon AS | Sep 2, 1994 | 2,090 | Gas | |
| 31/2-E-6 H | Observation | Norsk Hydro Produksjon AS | Sep 29, 1994 | 2,120 | Not applicable | |
| 31/2-D-6 H | Production | Norsk Hydro Produksjon AS | Oct 26, 1994 | 3,685 | Oil | |
| 31/2-D-8 H | Observation | Norsk Hydro Produksjon AS | Jan 14, 1995 | 1,889 | Not applicable | |
| 31/2-D-8 AH | Production | Norsk Hydro Produksjon AS | Jan 28, 1995 | 3,400 | Oil | |
| 31/2-E-4 H | Production | Norsk Hydro Produksjon AS | Mar 23, 1995 | 4,000 | Oil | |
| 31/2-F-6 AH | Production | Norsk Hydro Produksjon AS | May 6, 1995 | 3,916 | Oil | — |
| 31/2-E-1 H | Observation | Norsk Hydro Produksjon AS | Jun 2, 1995 | 2,100 | Not applicable | — |
| 31/5-H-5 H | Observation | Norsk Hydro Produksjon AS | Jun 3, 1995 | 2,127 | Not applicable | |
| 31/2-E-1 AH | Production | Norsk Hydro Produksjon AS | Jun 12, 1995 | 3,919 | Oil | — |
| 31/5-H-6 H | Observation | Norsk Hydro Produksjon AS | Jun 27, 1995 | 2,600 | Not applicable | |
| 31/5-H-6 AH | Production | Norsk Hydro Produksjon AS | Jul 24, 1995 | 4,444 | Oil | — |
| 31/2-G-6 H | Production | Norsk Hydro Produksjon AS | Aug 25, 1995 | 3,969 | Oil | — |
| 31/2-D-9 | Observation | Norsk Hydro Produksjon AS | Oct 11, 1995 | 1,760 | Not applicable | |
| 31/5-H-5 AH | Production | Norsk Hydro Produksjon AS | Nov 19, 1995 | 4,241 | Oil | — |
| 31/2-D-2 H | Production | Norsk Hydro Produksjon AS | Dec 20, 1995 | 4,602 | Oil | — |
| 31/2-E-5 H | Observation | Norsk Hydro Produksjon AS | Jan 29, 1996 | 1,885 | Not applicable | — |
| 31/2-E-5 AH | Production | Norsk Hydro Produksjon AS | Feb 9, 1996 | 3,070 | Oil | — |
| 31/2-D-7 H | Production | Norsk Hydro Produksjon AS | Mar 5, 1996 | 3,900 | Oil | — |
| 31/5-H-1 H | Observation | Norsk Hydro Produksjon AS | Apr 14, 1996 | 2,400 | Not applicable | — |
| 31/5-H-1 AH | Production | Norsk Hydro Produksjon AS | May 1, 1996 | 4,771 | Oil | — |
| 31/5-H-4 H | Production | Norsk Hydro Produksjon AS | Jun 28, 1996 | 3,938 | Oil | — |
| 31/2-F-1 H | Observation | Norsk Hydro Produksjon AS | Aug 25, 1996 | 2,280 | Not applicable | — |
| 31/2-F-1 AH | Production | Norsk Hydro Produksjon AS | Sep 8, 1996 | 3,970 | Oil | — |
| 31/2-G-1 H | Observation | Norsk Hydro Produksjon AS | Oct 14, 1996 | 1,860 | Not applicable | — |
| 31/2-G-1 AH | Production | Norsk Hydro Produksjon AS | Oct 24, 1996 | 4,070 | Oil | — |
| 31/5-H-2 H | Production | Norsk Hydro Produksjon AS | Nov 26, 1996 | 4,260 | Oil | — |
| 31/2-E-6 AH | Observation | Norsk Hydro Produksjon AS | Jan 6, 1997 | 1,740 | Not applicable | — |
| 31/2-E-6 BH | Production | Norsk Hydro Produksjon AS | Jan 12, 1997 | 3,355 | Oil | — |
| 31/2-F-4 H | Observation | Norsk Hydro Produksjon AS | Feb 13, 1997 | 1,690 | Not applicable | — |
| 31/2-F-4 AH | Production | Norsk Hydro Produksjon AS | Feb 26, 1997 | 3,320 | Oil | — |
| 31/2-M-41 | Observation | Norsk Hydro Produksjon AS | Mar 19, 1997 | 1,730 | Not applicable | |
| 31/5-H-3 H | Observation | Norsk Hydro Produksjon AS | Apr 7, 1997 | 2,377 | Not applicable | — |
| 31/5-H-3 AH | Production | Norsk Hydro Produksjon AS | Apr 23, 1997 | 4,630 | Oil | — |
| 31/5-H-3 BH | Production | Norsk Hydro Produksjon AS | Jun 3, 1997 | 4,302 | Oil | |
| 31/5-J-41 | Observation | Norsk Hydro Produksjon AS | Jul 11, 1997 | 1,760 | Not applicable | |
| 31/2-D-5 H | Observation | Norsk Hydro Produksjon AS | Jul 27, 1997 | 2,055 | Oil | — |
| 31/2-D-5 AH | Production | Norsk Hydro Produksjon AS | Aug 10, 1997 | 3,800 | Oil | — |
| 31/2-D-10 H | Production | Norsk Hydro Produksjon AS | Oct 9, 1997 | 1,723 | Oil | |
| 31/2-P-41 | Observation | Norsk Hydro Produksjon AS | Oct 30, 1997 | 1,725 | Not applicable | |
| 31/5-I-21 H | Observation | Norsk Hydro Produksjon AS | Nov 24, 1997 | 1,947 | Not applicable | — |
| 31/5-I-22 H | Observation | Norsk Hydro Produksjon AS | Nov 28, 1997 | 2,002 | Not applicable | — |
| 31/5-I-22 AH | Production | Norsk Hydro Produksjon AS | Dec 19, 1997 | 4,500 | Oil | — |
| 31/5-I-14 H | Observation | Norsk Hydro Produksjon AS | Jan 12, 1998 | 1,989 | Not applicable | — |
| 31/5-I-14 AH | Production | Norsk Hydro Produksjon AS | Jan 23, 1998 | 4,633 | Oil | — |
| 31/2-L-41 | Observation | Norsk Hydro Produksjon AS | Jan 27, 1998 | 1,708 | Not applicable | |
| 31/2-P-13 H | Observation | Norsk Hydro Produksjon AS | Feb 21, 1998 | 1,967 | Not applicable | — |
| 31/2-M-42 | Observation | Norsk Hydro Produksjon AS | Mar 15, 1998 | 1,855 | Not applicable | |
| 31/5-I-23 H | Observation | Norsk Hydro Produksjon AS | Apr 2, 1998 | 2,040 | Not applicable | — |
| 31/5-I-23 AH | Production | Norsk Hydro Produksjon AS | Apr 13, 1998 | 4,798 | Oil | — |
| 31/2-P-14 H | Observation | Norsk Hydro Produksjon AS | Apr 16, 1998 | 1,815 | Not applicable | — |
| 31/2-P-14 AH | Production | Norsk Hydro Produksjon AS | Apr 28, 1998 | 5,102 | Oil | — |
| 31/5-I-21 AH | Production | Norsk Hydro Produksjon AS | May 27, 1998 | 5,060 | Oil | — |
| 31/2-S-14 H | Observation | Norsk Hydro Produksjon AS | Jul 12, 1998 | 1,838 | Not applicable | — |
| 31/2-S-14 AH | Production | Norsk Hydro Produksjon AS | Jul 29, 1998 | 5,010 | Oil | — |
| 31/2-D-1 H | Observation | Norsk Hydro Produksjon AS | Aug 1, 1998 | 2,363 | Not applicable | — |
| 31/2-D-1 AH | Production | Norsk Hydro Produksjon AS | Aug 15, 1998 | 4,220 | Oil | — |
| 31/5-I-11 H | Observation | Norsk Hydro Produksjon AS | Oct 14, 1998 | 2,332 | Not applicable | — |
| 31/5-I-11 AH | Production | Norsk Hydro Produksjon AS | Nov 1, 1998 | 4,436 | Oil | — |
This discovery on Sodir FactPages →
About this data
Norwegian Offshore Directorate (Sodir) FactPages, mirrored nightly and used under the Norwegian Licence for Open Government Data (NLOD). Status, type, and the resource estimate are the Directorate's. Wellbores are those it files against the discovery.
Developers: this page as JSON is GET /v1/data/norway/discoveries/44534, documented in the API reference.