- General information
Wellbore name
6507/6-3
Type
EXPLORATION
Purpose
WILDCAT
Status
P&A
Press release
Factmaps in new window
Main area
NORWEGIAN SEA
Well name
6507/6-3
Seismic location
3D survey ST05M10-inline 2917 & x-line 3517
Drilled in production licence
Drilling operator
StatoilHydro ASA
Drill permit
1197-L
Drilling facility
Drilling days
25
Entered date
31.10.2008
Completed date
24.11.2008
Release date
24.11.2010
Publication date
24.11.2010
Purpose - planned
WILDCAT
Reentry
NO
Content
DRY
Discovery wellbore
NO
Kelly bushing elevation [m]
26.0
Water depth [m]
400.0
Total depth (MD) [m RKB]
1850.0
Final vertical depth (TVD) [m RKB]
1850.0
Maximum inclination [°]
1.6
Bottom hole temperature [°C]
59
Oldest penetrated age
EARLY JURASSIC
Oldest penetrated formation
ÅRE FM
Geodetic datum
ED50
NS degrees
65° 38' 58.4'' N
EW degrees
7° 55' 37.6'' E
NS UTM [m]
7281454.08
EW UTM [m]
450637.36
UTM zone
32
NPDID wellbore
5922
 
 
- Wellbore history
 
General
The 6507/6-3 Steinkobbe well is located on the east flank of the Nordland Ridge in the Norwegian Sea. The structure is a large rotated fault block and comprise of rock of Quaternary, Cretaceous and Jurassic age. The primary objective of the well was to prove commercial hydrocarbons in the Fangst and Båt Groups in the Steinkobbe prospect. A secondary objective was to test the presence and type of hydrocarbons in the Grytfoten lead in the Paleocene Tang-/Tare Formations.
Operations and results
Well 6507/6-3 was spudded with the semi-submersible installation Transocean Winner on 31 October 2008 and drilled to TD at 1850 m in Early Jurassic sediments of the Åre Formation. No shallow gas was observed by the ROV at the wellhead or by the MWD while drilling the 36" hole and the 17 1/2" hole. The well was drilled with Seawater and bentonite sweeps down to 479 m, with seawater, bentonite sweeps and Glydril from 479 m to 1000 m, and with Glydril mud from 1000 m to TD.
The well penetrated rocks of Quaternary, Tertiary, Cretaceous, and Jurassic age. The Cretaceous was represented by 6 m Springar Formation only. The Viking Group consisted of 31 m Spekk Formation, of which the upper half was highly radioactive, and 59 m Melke Formation. Top Fangst was penetrated at 1430 m. From petrophysical analyses and cuttings descriptions the primary target Fangst an Båt reservoirs consisted of highly porous sandstones and clay rich sections with high porosity due to shallow burial depth and little compaction. No hydrocarbons were found and no shows were recorded in the well.
No cores were cut. The MDT was run on wire line to establish pressure gradients and take fluid samples. A water gradient was established, and water was sampled in the Ile Formation at a depth of 1438.0 m.
The well was permanently abandoned on 24 November as a dry well.
Testing
No drill stem test was performed.
 
 
 
 
 
- Cuttings at the NPD
Cutting sample, top depth [m]
Cutting samples, bottom depth [m]
1010.00
1850.00
Cuttings available for sampling?
YES
 
 
- Palynological slides at the NPD
Sample depth
Depth unit
Sample type
Laboratory
1020.0
[m]
C
BIOSTRAT
1040.0
[m]
C
BIOSTR
1060.0
[m]
C
BIOSTR
1080.0
[m]
C
BIOSTR
1100.0
[m]
C
BIOSTR
1120.0
[m]
C
BIOSTR
1140.0
[m]
C
BIOSTR
1160.0
[m]
C
BIOSTR
1180.0
[m]
C
BIOSTR
1200.0
[m]
C
BIOSTR
1220.0
[m]
C
BIOSTR
1240.0
[m]
C
BIOSTR
1253.0
[m]
C
BIOSTR
1259.0
[m]
C
BIOSTR
1262.0
[m]
C
BIOSTR
1268.0
[m]
C
BIOSTR
1280.0
[m]
C
BIOSTR
1292.0
[m]
C
BIOSTR
1298.0
[m]
C
BIOSTR
1304.0
[m]
C
BIOSTR
1310.0
[m]
C
BIOSTR
1322.0
[m]
C
BIOSTR
1331.0
[m]
C
BIOSTR
1337.0
[m]
C
BIOSTR
1343.0
[m]
C
BIOSTR
1355.0
[m]
C
BIOSTR
1361.0
[m]
C
BIOSTR
1370.0
[m]
C
BIOSTR
1382.0
[m]
C
BIOSTR
1394.0
[m]
C
BIOSTR
1400.0
[m]
C
BIOSTR
1406.0
[m]
C
BIOSTR
1418.0
[m]
C
BIOSTR
1430.0
[m]
C
BIOSTR
1433.0
[m]
C
BIOSTR
1439.0
[m]
C
BIOSTR
1445.0
[m]
C
BIOSTR
1451.0
[m]
C
BIOSTR
1457.0
[m]
C
BIOSTR
1472.0
[m]
C
BIOSTR
1481.0
[m]
C
BIOSTR
1490.0
[m]
C
BIOSTR
1499.0
[m]
C
BIOSTR
1508.0
[m]
C
BIOSTR
1520.0
[m]
C
BIOSTR
1535.0
[m]
C
BIOSTR
1550.0
[m]
C
BIOSTR
1565.0
[m]
C
BIOSTR
1574.0
[m]
C
BIOSTR
1583.0
[m]
C
BIOSTR
1592.0
[m]
C
BIOSTR
1601.0
[m]
C
BIOSTR
1610.0
[m]
C
BIOSTR
1619.0
[m]
C
BIOSTR
1628.0
[m]
C
BIOSTR
1637.0
[m]
C
BIOSTR
1646.0
[m]
C
BIOSTR
1655.0
[m]
C
BIOSTR
1664.0
[m]
C
BIOSTR
1673.0
[m]
C
BIOSTR
1682.0
[m]
C
BIOSTR
1691.0
[m]
C
BIOSTR
1700.0
[m]
C
BIOSTR
1709.0
[m]
C
BIOSTR
1718.0
[m]
C
BIOSTR
1727.0
[m]
C
BIOSTR
1736.0
[m]
C
BIOSTR
1745.0
[m]
C
BIOSTR
1754.0
[m]
C
BIOSTR
1763.0
[m]
C
BIOSTR
1772.0
[m]
C
BIOSTR
1781.0
[m]
C
BIOSTR
1790.0
[m]
C
BIOSTR
1799.0
[m]
C
BIOSTR
1808.0
[m]
C
BIOSTR
1817.0
[m]
C
BIOSTR
1826.0
[m]
C
BIOSTR
1835.0
[m]
C
BIOSTR
1844.0
[m]
C
BIOSTR
1850.0
[m]
C
BIOSTR
 
 
- Lithostratigraphy
 
 
- Composite logs
Document name
Document format
Document size [KB]
pdf
0.29
 
 
- Logs
Log type
Log top depth [m]
Log bottom depth [m]
MDT GR
1294
1776
MWD - ARC9 VD FRES GR
474
1844
VSP
454
1830
ZAIT MSIP
996
1835
ZAIT MSIP PEX
996
1837
 
 
- Casing and leak-off tests
Casing type
Casing diam.
[inch]
Casing depth
[m]
Hole diam.
[inch]
Hole depth
[m]
LOT mud eqv.
[g/cm3]
Formation test type
CONDUCTOR
30
474.0
36
479.0
0.00
LOT
SURF.COND.
13 3/8
996.0
17 1/2
1000.0
1.59
LOT
OPEN HOLE
1857.0
12 1/4
1857.0
0.00
LOT
 
 
 
- Drilling mud
Depth MD [m]
Mud weight [g/cm3]
Visc. [mPa.s]
Yield point [Pa]
Mud type
Date measured
440
1.30
21.0
 
Glydril
 
1430
1.27
17.0
 
Glydril
 
1690
1.27
16.0
 
Glydril
 
1850
1.28
16.0
 
Glydril
 
1850
1.27
18.0
 
Glydril