Generated 11.02.2012
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Generated 11.02.2012 |
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| NPDID wellbore: | 2872 | |
| Well name: | 33/9-19 | |
| Drilling operator name: | Den norske stats oljeselskap a.s | |
| Geodetic datum: | ED50 | |
| Coordinates: | 61° 28` 33.56`` N | 1° 59` 50.60`` E |
| UTM coordinates: | 6816380.31 N | 446585.05 E |
| UTM zone: | 31 | |
| Drilled in production licence: | 037 | |
| Area: | NORTH SEA | |
| Discovery: | 33/9-19 S SYGNA | |
| Field: | SYGNA | |
| Drill permit: | 857-L | |
| Drilling facility: | TRANS. WILDCAT | |
| Drilling days: | 18 | |
| Wellbore entry date: | 23.07.1996 | |
| Wellbore completion date: | 09.08.1996 | |
| Original wellbore purpose: | APPRAISAL | |
| Wellbore purpose: | APPRAISAL | |
| Wellbore status: | P&A | |
| Wellbore contents: | OIL | |
| Discovery wellbore: | NO | |
| Formation/age with hydrocarbons 1: | ETIVE FM / MIDDLE JURASSIC | |
| Formation/age with hydrocarbons 2: | RANNOCH FM / MIDDLE JURASSIC | |
| Seismic location: | E 86 REPR. 93 INLINE 620 & CROSSL. 990 | |
| Kelly bushing elevation (KB) [m]: | 25 | |
| Water depth [m]: | 304 | |
| Total Depth (MD) [m]: | 3514 | |
| Final vertical depth (TVD) [m]: | 3057 | |
| Max inclination [°]: | ||
| Bottom hole temperature [°C]: | ||
| Oldest penetrated age: | EARLY JURASSIC | |
| Oldest penetrated formation: | AMUNDSEN FM | |
| Note: All depths, except the water depth, are relative to kelly bushing (RKB) | ||
General
Well 33/9-19 A is situated in the Tampen Spur area. The well 33/9-19 A was drilled to the Statfjord Nord Nordøst Segment (SFNN&S) of the Statfjord Field. This segment lies at the north-eastern extension of the Statfjord North Field structure in both blocks 33/9 and 34/17. The primary objective for the well 33/9-19 A was to identify the level of oil-water contact or a deep "oil-down-to-situation" within the Nord Nordøst Segment. The secondary objective was to test the SFNN&S Brent prospect on the north-western side of the Nordøst Segment main fault.
Operations and results
The well 33/9-19A was spudded on the 23 of July 1996, using the semi-submersible installation "Transocean Wildcat". The well 33/9-19 A was sidetracked from well 33/9-19 S in a north- north-western direction. Well 33/9-19 A was drilled from kick off at 2000 m to TD in the Lower Jurassic Dunlin Group at 3514 m (3057.1 m TVD RKB). The section from 2000 - 3514 m (1999.9 - 3057.0 m TVD RKB) was drilled in one bit run with Ancovert Oil based mud.
Repeated overpull and short stuck events made the logging-run operations difficult. Reservoir characteristics were similar to the Statfjord Nord Field. The oil-water contact was in the Rannoch Formation at approximately 2942 m (2735 m TVD RKB). The Brent Group sands were not encountered northwest of the main fault. TD was at 3514 m (3032 m TVD RKB) in the Dunlin Group. No fluid samples were collected and no coring was performed in the well.
The well was permanently plugged and abandoned as an oil appraisal well on 9 August 1996.
Testing
No drill stem test was performed
No cuttings in this wellbore.
No cores in this wellbore.
No scanned core photos available
No oil samples available.
| Type | Casing diam. [inch] | Depth below KB [m] | Hole diam. [inch] | Hole depth below KB [m] | Lot mud eqv. [g/cm3] |
|---|---|---|---|---|---|
| OPEN HOLE | 3514.0 | 8 1/2 | 3514.0 |
| Depth MD [m] | Mud weight [g/cm3] | Visc. [MPa.s] | Yield [pnt Pa.] | Mud type | Date measured |
|---|---|---|---|---|---|
| 2314 | 1.62 | 45.0 | ANCO VERT | ||
| 2789 | 1.62 | 35.0 | ANCO VERT | ||
| 2838 | 1.68 | 47.0 | ANCO VERT | ||
| 2925 | 1.62 | 40.0 | ANCO VERT | ||
| 3514 | 1.63 | 42.0 | ANCO VERT |
No drill stem test in this wellbore.
| Log type | Intervals logged [m] |
|---|---|
| MWD - DPR II | 1952 - 3514 |
| LDL CNL GR AMS | 1951 - 3144 |
| DIL BHC GR AMS | 1951 - 3160 |
| Top depth [m] | Litostratigraphic unit |
|---|---|
| 328 | NORDLAND GP |
| 960 | UTSIRA FM |
| 1131 | HORDALAND GP |
| 1681 | ROGALAND GP |
| 1681 | BALDER FM |
| 1714 | LISTA FM |
| 1869 | SHETLAND GP |
| 1869 | JORSALFARE FM |
| 2219 | KYRRE FM |
| 2825 | CROMER KNOLL GP |
| 2825 | MIME FM |
| 2840 | BRENT GP |
| 2840 | ETIVE FM |
| 2939 | RANNOCH FM |
| 3070 | DUNLIN GP |
| 3070 | DRAKE FM |
| 3171 | COOK FM |
| 3194 | BURTON FM |
| 3283 | AMUNDSEN FM |
| 3319 | DUNLIN GP |
| 3319 | DRAKE FM |
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Composite log (Format:PDF. Size: 0.152 Mb) |
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No geochemical data presently available. Regional geochemical studies which include data from this well may however be filed on a different well.
No documents presently available.
