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| NPDID wellbore: | 6044 | |
| Well name: | 6705/10-1 | |
| Drilling operator name: | StatoilHydro ASA | |
| Geodetic datum: | ED50 | |
| Coordinates: | 67° 0` 58.40`` N | 5° 17` 47.80`` E |
| UTM coordinates: | 7435225.68 N | 600057.62 E |
| UTM zone: | 31 | |
| Drilled in production licence: | 327-B | |
| Area: | NORWEGIAN SEA | |
| Discovery: | 6705/10-1 | |
| Field: | NOT YET DEVELOPED | |
| Drill permit: | 1229-L | |
| Drilling facility: | TRANSOCEAN LEADER | |
| Drilling days: | 43 | |
| Wellbore entry date: | 05.02.2009 | |
| Wellbore completion date: | 19.03.2009 | |
| Original wellbore purpose: | WILDCAT | |
| Wellbore purpose: | WILDCAT | |
| Wellbore status: | P&A | |
| Wellbore contents: | GAS | |
| Discovery wellbore: | YES | |
| Formation/age with hydrocarbons 1: | SPRINGAR FM / LATE CRETACEOUS | |
| Seismic location: | GRE02STR05,inline3790 & crossline 5216 | |
| Kelly bushing elevation (KB) [m]: | 24 | |
| Water depth [m]: | 1335 | |
| Total Depth (MD) [m]: | 3775 | |
| Final vertical depth (TVD) [m]: | 3774 | |
| Max inclination [°]: | 2.40 | |
| Bottom hole temperature [°C]: | 117 | |
| Oldest penetrated age: | EARLY CRETACEOUS | |
| Oldest penetrated formation: | LANGE FM | |
| Note: All depths, except the water depth, are relative to kelly bushing (RKB) | ||
General
The 6705/10-1 Asterix well is located in the Vøring Basin of the Norwegian Sea. It was drilled on a seismic flat spot on the Gjallar Ridge, anticipated to be a gas-water contact. The main objective was to prove hydrocarbons in reservoir of the Late Cretaceous age (Maastrichtian) Springar Formation. Expected hydrocarbon phase was dry gas similar to Luva (6707/10-1). The TD requirement for the well was to drill at least 50 m into Turonian aged rocks or minimum 3750 m TVDSS, whatever came first.
Operations and results
Wildcat well 6705/10-1 was spudded with the semi-submersible installation Transocean Leader on 5 February 2009 and drilled to TD at 3775 m in the Early Cretaceous Lange Formation. Due to obstruction in the well wire line logs were run only to 3712 m. Otherwise operations proceeded without significant problems. The well was drilled with seawater and hi-vis sweeps down to 2360 m and with Ultradril mud from 2360 m to TD.
Top Springar Formation was encountered at 3214 m with an 85 m column of dry gas. The gas/water contact was not possible to establish exactly, but is estimated to be in the interval 3302 to 3297 m. Weak oil shows were recorded in the interval 2865 to 2960 m.
Four cores were cut in the Springar Formation from 3226 to 3332.5 m. Core number four lost ca four meter (3309 to 3310 m) due to core erosion. MDT gas samples were taken at 3223.5 m and 3276 m. An MDT water sample was taken at 3301.5 m.
The well was permanently abandoned on 19 March 2009 as a gas discovery.
Testing
No drill stem test was performed.
Interval [m]: 2370.00 - 3775.00
Core length [m]: 101.11
| Core number | Interval |
|---|---|
| 1 | 3226-3252.16 |
| 2 | 3252.16-3279.41 |
| 3 | 3279.5-3305.4 |
| 4 | 3305.5-3327.3 |
No scanned core photos available
No palynological slides in this wellbore.
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] |
|---|---|---|---|---|---|
| CONDUCTOR | 30 | 1447.0 | 36 | 1450.0 | |
| SURF.COND. | 20 | 2350.0 | 26 | 2363.0 | 1.27 |
| INTERM. | 13 3/8 | 2896.0 | 17 1/2 | 2908.0 | 1.39 |
| OPEN HOLE | 3775.0 | 12 1/4 | 3775.0 |
| Depth MD [m] | Mud weight [g/cm3] | Visc. [MPa.s] | Yield [pnt Pa.] | Mud type | Date measured |
|---|---|---|---|---|---|
| 1447 | 1.30 | 19.0 | Ultradrill | ||
| 1450 | 1.30 | 19.0 | Ultradrill | ||
| 1850 | 1.14 | 14.0 | Ultradrill | ||
| 2360 | 1.30 | 20.0 | Ultradrill | ||
| 2905 | 1.20 | 14.0 | Ultradrill | ||
| 2905 | 1.18 | 14.0 | Ultradrill | ||
| 3226 | 1.24 | 20.0 | Ultradrill | ||
| 3306 | 1.24 | 20.0 | Ultradrill | ||
| 3332 | 1.25 | 22.0 | Ultradrill | ||
| 3495 | 1.27 | 24.0 | Ultradrill | ||
| 3775 | 1.26 | 25.0 | Ultradrill |
No drill stem test in this wellbore.
| Log type | Intervals logged [m] |
|---|---|
| MWD - POWERPULSE | 1358 - 1448 |
| MWD - ARCVRES9 POWERPULSE | 1448 - 2905 |
| MWD - ARCVRES8 POWERPULSE | 2905 - 3775 |
| PEX HRLA IS PPC MSIP HNGS | 2891 - 3712 |
| MDT SP GR CMR | 2315 - 3324 |
| MDT MS PO SP PO QS LFA | 3223 - 3324 |
| MDT MS PO PO QS LFA | 3301 - 3301 |
| GR VSI | 2369 - 3700 |
| Top depth [m] | Litostratigraphic unit |
|---|---|
| 1358 | NORDLAND GP |
| 1358 | NAUST FM |
| 1525 | KAI FM |
| 2005 | HORDALAND GP |
| 2005 | BRYGGE FM |
| 2718 | ROGALAND GP |
| 2718 | TARE FM |
| 2922 | TANG FM |
| 3214 | SHETLAND GP |
| 3214 | SPRINGAR FM |
| 3403 | NISE FM |
| 3480 | KVITNOS FM |
| 3525 | CROMER KNOLL GP |
| 3525 | LANGE FM |
No composite log presently available.
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.