Generated 11.02.2012
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Generated 11.02.2012 |
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| NPDID wellbore: | 1441 | |
| Well name: | 35/9-1 | |
| Drilling operator name: | Norsk Hydro Produksjon AS | |
| Geodetic datum: | ED50 | |
| Coordinates: | 61° 23` 07.95`` N | 3° 59` 03.72`` E |
| UTM coordinates: | 6806290.80 N | 552595.04 E |
| UTM zone: | 31 | |
| Drilled in production licence: | 153 | |
| Area: | NORTH SEA | |
| Discovery: | 35/9-1 GJØA | |
| Field: | GJØA | |
| Drill permit: | 603-L2 | |
| Drilling facility: | POLAR PIONEER | |
| Drilling days: | 25 | |
| Wellbore entry date: | 03.07.1989 | |
| Wellbore completion date: | 27.07.1989 | |
| Reentry activity: | TESTING/PLUGGING | |
| Original wellbore purpose: | WILDCAT | |
| Wellbore purpose: | WILDCAT | |
| Wellbore status: | P&A | |
| Wellbore contents: | OIL/GAS | |
| Discovery wellbore: | NO | |
| Formation/age with hydrocarbons 1: | VIKING GP / LATE JURASSIC | |
| Formation/age with hydrocarbons 2: | BRENT GP / MIDDLE JURASSIC | |
| Formation/age with hydrocarbons 3: | DUNLIN GP / EARLY JURASSIC | |
| Seismic location: | DGM 1-86-0473 3D CDP 1850 | |
| Kelly bushing elevation (KB) [m]: | 23 | |
| Water depth [m]: | 361 | |
| Total Depth (MD) [m]: | 2350 | |
| Final vertical depth (TVD) [m]: | 2348 | |
| Max inclination [°]: | 5.50 | |
| Bottom hole temperature [°C]: | 82 | |
| Oldest penetrated age: | PRE-DEVONIAN | |
| Oldest penetrated formation: | BASEMENT | |
| Note: All depths, except the water depth, are relative to kelly bushing (RKB) | ||
General
Well 35/9-1 R is a re-entry of well 35/9-1, which found oil and gas in the Jurassic. Well 35/9-1 was suspended without testing due to other assignment for the rig. The objective for 35/9-1 R was testing and permanent abandonment.
Operations and results
Appraisal well 35/9-1 was re-entered (35/9-1 R) with the semi-submersible installation Polar Pioneer on 3 July 1989
The well was tested, plugged, and permanently abandoned as an oil and gas appraisal.
Testing
Three DSTs were performed. Production test data quoted below refer to maximum rates at the specified choke sizes.
DST 1 was performed in the interval 2285.8-2291.8 m (Dunlin Group). It flowed at an oil rate of 903 Sm3/day through a 25.4 mm choke. The GOR was 284 Sm3/Sm3. The oil gravity was 0.815 g/cc and the gas gravity 0.705 (air = l). The wellhead pressure was 73.5 bars and the bottom hole temperature 79.9 deg C. The well produced no CO2 or H2S. The production index was 23.6 Sm3/day/bar.
DST 2 was performed in the interval 2225.4-2249.4 m (Brent Group). It flowed at a gas rate of 598000 Sm3/day through a 17.46 mm choke. The GOR was 3014 Sm3/Sm3. The oil gravity was 0.728 g/cc and the gas gravity 0.681 (air=l). The wellhead pressure was 150.6 bar and the bottom hole temperature 78.2 deg C. The well produced 0.4% CO2 and no H2S.
DST 3 was performed in the interval 2100.3 - 2138.3 m (Krossfjord Formation). It flowed at a gas rate of 912500 Sm3/day through a 25.4 mm choke. The GOR was 5098 Sm3/Sm3. The oil gravity was 0.749 g/cc and the gas gravity 0.705 (air=l). The wellhead pressure was 116.5 bars and the bottom hole temperature 74.2 deg C. The well produced 0.4% CO2 and no H2S.
No cuttings in this wellbore.
No cores in this wellbore.
No scanned core photos available
No palynological slides in this wellbore.
No oil samples available.
No mud data available.
No drill stem test in this wellbore.
No logs available.
| Top depth [m] | Litostratigraphic unit |
|---|---|
| 384 | NORDLAND GP |
| 588 | ROGALAND GP |
| 588 | BALDER FM |
| 620 | SELE FM |
| 658 | LISTA FM |
| 823 | NO FORMAL NAME |
| 863 | LISTA FM |
| 1211 | VÅLE FM |
| 1229 | SHETLAND GP |
| 1229 | JORSALFARE FM |
| 1280 | KYRRE FM |
| 1940 | SVARTE FM |
| 1967 | CROMER KNOLL GP |
| 1967 | RØDBY FM |
| 2013 | ÅSGARD FM |
| 2037 | VIKING GP |
| 2037 | FENSFJORD FM |
| 2099 | KROSSFJORD FM |
| 2140 | HEATHER FM |
| 2225 | BRENT GP |
| 2225 | NESS FM |
| 2250 | RANNOCH FM |
| 2267 | DUNLIN GP |
| 2312 | NO GROUP DEFINED |
| 2312 | STATFJORD FM |
| 2314 | BASEMENT |
No composite log presently available.
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