Daily Drilling Report
Well: NO 15/9-F-15
Report period: 2007-12-25T00:00:00+01:00 to 2007-12-26T00:00:00+01:00
Wellbore info:
dTimSpud: 2008-10-24T00:00:00+02:00
dateDrillComplete: 2008-12-11
operator: StatoilHydro
rigAlias: name: MÆRSK INSPIRER
name: 369304
Status:
dTim: 2007-12-26T00:00:00+01:00
dTimDiaHoleStart: 2007-12-23T15:45:00+01:00
diaHole: 26
distDrill: 274
elevKelly: 54.9
fixedRig: false
forecast24Hr: POOH 26" BHA and R/B BHA. MU and run 20" casing.
hpht: 0
md: 1095
mdCsgLast: 220.6
mdDiaHoleStart: 226
mdPlanned: -999.99
mdStrengthForm: 0
reportNo: 8
ropCurrent: -999.99
strengthForm: 0
sum24Hr: Drilled 26" hole from 1095 m to 1378 m. Displaced open hole to 1.40 SG mud. 
tightWell: 0
tvd: 1369
tvdCsgLast: 220.6
tvdStrengthForm: 0
waterDepth: 91
Drilling fluid:
dTim: 2007-12-25T22:00:00+01:00
density: 1.4
locationSample: Reserve pit
md: 1338
mudClass: water based
presBopRating: 0
pv: -999.99
type: Spud Mud
visFunnel: 132
yp: -999.99
dTim: 2007-12-25T15:00:00+01:00
density: 1.06
locationSample: Reserve pit
md: 1215
mudClass: water based
presBopRating: 0
pv: -999.99
type: Spud Mud
visFunnel: 139
yp: -999.99
Pore pressure:
dTim: 2007-12-26T00:00:00+01:00
equivalentMudWeight: 1.03
md: 1378
readingKind: estimated
Survey stations:
azi: 212.94
dTim: 2007-12-26T00:00:00+01:00
incl: 17.51
md: 1107.4
tvd: 1091.9
azi: 220.94
dTim: 2007-12-26T00:00:00+01:00
incl: 18.56
md: 1147.6
tvd: 1130.1
azi: 231.49
dTim: 2007-12-26T00:00:00+01:00
incl: 17.07
md: 1187.8
tvd: 1168.4
azi: 233.42
dTim: 2007-12-26T00:00:00+01:00
incl: 15.48
md: 1228.1
tvd: 1207.1
azi: 235.35
dTim: 2007-12-26T00:00:00+01:00
incl: 18.02
md: 1268.3
tvd: 1245.6
azi: 240.98
dTim: 2007-12-26T00:00:00+01:00
incl: 20.94
md: 1308.7
tvd: 1283.7
azi: 242.91
dTim: 2007-12-26T00:00:00+01:00
incl: 26.39
md: 1361.7
tvd: 1332.2
Activities:
comments: Drilled 26" section from 922 m to 1079 m MD. 
Drilling parameters :
Flow 3500 lpm / SPP 90-100 bar / WOB 1-8 MT / Torque 8-18kNm / String RPM 40 / Bit RPM 145. ROP 26-150 m/hr. Average ROP 45 m/hr.  Pumped 15 m3 hi-vis sweep for every single drilled. 

Base Utsira 1079 mMD / 1064.9 mTVD  

Sliding from 937 m to 1003 m              

dTimEnd: 2007-12-25T03:30:00+01:00
dTimStart: 2007-12-25T00:00:00+01:00
md: 1079
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Due to high torque when reaming from 1079 m 1070 m. Flow 4000 lpm / SPP 120-130 bars.
dTimEnd: 2007-12-25T04:30:00+01:00
dTimStart: 2007-12-25T03:30:00+01:00
md: 1079
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Drilled 26" section from 1079 m to 1095 m MD. 
Drilling parameters :
Flow 4000-4500 lpm / SPP 90-100 bar / WOB 6-8 MT / Torque 1-3 kNm / String RPM 40 / Bit RPM 145. ROP 2-15 m/hr. Average ROP 10 m/hr.  Pumped 10 m³ hi-vis sweep for every single drilled. 

Sliding from 1080 m to 1095 m
dTimEnd: 2007-12-25T06:00:00+01:00
dTimStart: 2007-12-25T04:30:00+01:00
md: 1095
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Drilled 26" section from 1095 m to 1333 m MD. 
Drilling parameters :
Flow 3500-4000 lpm / SPP 105-138 bar / WOB 6-11 MT / Torque 7-16 kNm / String RPM 40 / Bit RPM 145-160. ROP 2-130 m/hr. Average ROP 10 m/hr.  Pumped 10 m³ hi-vis sweep for every single drilled. 

Top Skade 1227 mMD / 1209 mTVD

Base Skade 1322 mMD / 1296.3 mTVD       

Slided from 1124 m to 1141 m
                   1164 m to 1178 m
                   1204 m to 1218 m 
                   1245 m to 1265 m 
                   1285 m to 1305 m 

dTimEnd: 2007-12-25T20:00:00+01:00
dTimStart: 2007-12-25T06:00:00+01:00
md: 1333
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Mud pump #1 and  #2 shot down. Stopped drilling. Circulated with mud pump # 3, 2000lpm reciprocated the string.
dTimEnd: 2007-12-25T21:15:00+01:00
dTimStart: 2007-12-25T20:00:00+01:00
md: 1333
phase: fixed
proprietaryCode: interruption -- repair
state: ok
stateDetailActivity: equipment failure
comments: Continued drilling 26" section from 1333 m to 1369 m MD. 
Drilling parameters :
Flow 4000 lpm / SPP 138 bar / WOB 9-12 MT / Torque 7-14 kNm / String RPM 40 / Bit RPM 120-160. ROP 10-15 m/hr. Average ROP 13 m/hr.  Pumped 15 m³ hi-vis sweep.       

Slided from 1133 m to 1145 m
dTimEnd: 2007-12-26T00:00:00+01:00
dTimStart: 2007-12-25T21:15:00+01:00
md: 1369
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
Lithology and shows: