Daily Drilling Report
Well: NO 15/9-F-14
Report period: 2008-05-11T00:00:00+02:00 to 2008-05-12T00:00:00+02:00
Wellbore info:
dTimSpud: 2007-11-04T00:00:00+01:00
dateDrillComplete: 2008-06-15
daysBehind: 1.9
operator: StatoilHydro
rigAlias: name: MÆRSK INSPIRER
name: 369304
Status:
dTim: 2008-05-12T00:00:00+02:00
dTimDiaHoleStart: 2008-05-11T14:00:00+02:00
diaHole: 17.5
distDrill: 115
elevKelly: 54.9
fixedRig: false
forecast24Hr: Drill 17 1/2" hole section from 1302 m to 1900 m MD.
hpht: 0
md: 1198
mdCsgLast: 1076.9
mdDiaHoleStart: 1086
mdPlanned: -999.99
mdStrengthForm: 1186
presTestType: formation integrity test
reportNo: 26
ropCurrent: -999.99
strengthForm: 1.38
sum24Hr: Cleaned rathole and drilled 3 m new formation down to 1086 m MD. Pumped hi-vis sweep, displaced to 1,20 sg WBM and spotted LCM pill in rathole. Conditioned mud and performed FIT to 1,38 EMW. Drilled 17 1/2" section down to 1302 m MD. Had problems with overflow on shakers and screen plugging.
tightWell: 0
tvd: 1197.5
tvdCsgLast: 1076.5
tvdStrengthForm: 1186
waterDepth: 91
wellheadElevation: 138.6
Drilling fluid:
dTim: 2008-05-11T12:00:00+02:00
density: 1.21
locationSample: Active pit
md: 1086
mudClass: water based
presBopRating: 690
pv: 33
type: HPWBM
visFunnel: -999.99
yp: 6
dTim: 2008-05-11T17:00:00+02:00
density: 1.2
locationSample: Active pit
md: 1101
mudClass: water based
presBopRating: 690
pv: 33
type: HPWBM
visFunnel: -999.99
yp: 14.5
dTim: 2008-05-11T22:00:00+02:00
density: 1.21
locationSample: Active pit
md: 1158
mudClass: water based
presBopRating: 690
pv: 33
type: HPWBM
visFunnel: -999.99
yp: 13.5
Pore pressure:
dTim: 2008-05-12T00:00:00+02:00
equivalentMudWeight: 1.03
md: 1308
readingKind: estimated
Survey stations:
azi: 168.91
dTim: 2008-05-12T00:00:00+02:00
incl: .18
md: 1065.7
tvd: 1064.3
azi: 241.47
dTim: 2008-05-12T00:00:00+02:00
incl: .23
md: 1096.5
tvd: 1095.1
azi: 23.17
dTim: 2008-05-12T00:00:00+02:00
incl: .1
md: 1177.3
tvd: 1175.9
Activities:
comments: Took SCR's. Performed choke drill.
dTimEnd: 2008-05-11T00:30:00+02:00
dTimStart: 2008-05-11T00:00:00+02:00
md: 1040
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Continued drilling cement and float collar at 1050 m MD. Virtually no penetration observed indicating drilling on float collar. Drilling parameters : Flow 3100 lpm / SPP 74 bar / Rotation 60-70 RPM / WOB 7-10 MT / Torque 5-10 kNm.
dTimEnd: 2008-05-11T02:00:00+02:00
dTimStart: 2008-05-11T00:30:00+02:00
md: 1050
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: success
comments: Drilled firm cement in shoetrack from 1050 m 1077 m MD. Drilling parameters :  Flow 3100 lpm / SPP 76 bar / Rotation 60-70 RPM / WOB 5 MT / Torque 8-12 kNm.
dTimEnd: 2008-05-11T05:15:00+02:00
dTimStart: 2008-05-11T02:00:00+02:00
md: 1077
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: success
comments: Broke through 20" casing shoe at 1077 m MD. Observed increased resturn on flowmeter. Picked off bottom and flowchecked - static. Continued drilling to 1078 m MD.  Flow 3100 lpm / SPP 77 bar / Rotation 60-70 RPM / WOB 3-5 MT / Torque 4-11 kNm. Meanwhile broke out and laid down adjustable sub setting tool using fwd PRS and fwd IR.
dTimEnd: 2008-05-11T06:00:00+02:00
dTimStart: 2008-05-11T05:15:00+02:00
md: 1078
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: success
comments: Cleaned rathole below 20" casing down to 1083 m MD. Drilled new formation from 1083 m to 1086 m MD. Drilling parameters : Flow 3100 lpm / SPP 78 bar / Rotation 70 rpm /  WOB 2-4 MT / Torque 4-9 kNm.
dTimEnd: 2008-05-11T06:45:00+02:00
dTimStart: 2008-05-11T06:00:00+02:00
md: 1086
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Pumped 40 m3 hi-vis sweep at 3200 lpm to clean well. Meanwhile held toolbox talk prior to displacing to WBM.
dTimEnd: 2008-05-11T07:15:00+02:00
dTimStart: 2008-05-11T06:45:00+02:00
md: 1086
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Displaced well from seawater to 1,20 sg Performadrill WBM with 3500 lpm. Flushed choke and kill lines on BOP and lined up sandtraps.
dTimEnd: 2008-05-11T09:30:00+02:00
dTimStart: 2008-05-11T07:15:00+02:00
md: 1077
phase: fixed
proprietaryCode: drilling -- circulating conditioning
state: ok
stateDetailActivity: success
comments: Obtained even MW in/out 1,21 sg.
dTimEnd: 2008-05-11T10:15:00+02:00
dTimStart: 2008-05-11T09:30:00+02:00
md: 1077
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: Ran in to TD at 1086 m MD. Observed thight spot at 1081-1085 m MD. Spotted 10 m3 LCM pill in rathole. Pulled back into shoe at 1077 m MD.
dTimEnd: 2008-05-11T11:00:00+02:00
dTimStart: 2008-05-11T10:15:00+02:00
md: 1077
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: Lined up cement unit. Pressure tested lines prior to performing FIT. Closed BOP. Performed FIT to 1,38 EMW by pressuring up to 21,5 bar on well.
dTimEnd: 2008-05-11T12:15:00+02:00
dTimStart: 2008-05-11T11:00:00+02:00
md: 1077
phase: fixed
proprietaryCode: formation evaluation -- rft/fit
state: ok
stateDetailActivity: success
comments: Opened BOP and lined up for drilling. Took SCRs. Laid out 5 1/2" singel used for spacing out in shoetrack. RIH to 1077 MD. Obtained MWD pressure point from FIT, EMW 1,408 sg.
dTimEnd: 2008-05-11T14:00:00+02:00
dTimStart: 2008-05-11T12:15:00+02:00
md: 1077
phase: fixed
proprietaryCode: formation evaluation -- rft/fit
state: ok
stateDetailActivity: success
comments: Established drilling parameters : Flow 3000 lpm  / SPP 116 bar. Not able to handle flow over shakers. Worked with shaker configuration. Installed coarser top and bottom screens (30/80 mesh).
dTimEnd: 2008-05-11T16:30:00+02:00
dTimStart: 2008-05-11T14:00:00+02:00
md: 1086
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Drilled 17 1/2" hole section from 1086 m to 1110 m MD. Drilling parameters : Flow 4000 lpm / SPP 112 bar / Rotation 80 rpm /  WOB ~5 MT / Torque 7-8 kNm / ROP 25 m/hrs.
dTimEnd: 2008-05-11T17:30:00+02:00
dTimStart: 2008-05-11T16:30:00+02:00
md: 1110
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Lost mud on shakers due to plugged header box and uneven mud distribution. Picked off bottom and reduced flow rate to 1700 lpm to remedy situation. Cleaned shaker box.
dTimEnd: 2008-05-11T18:00:00+02:00
dTimStart: 2008-05-11T17:30:00+02:00
md: 1110
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Continued drilling 17 1/2" hole section from 1110 m to 1130 m MD with reduced ROP 10-15 m/hr due to problems to handle fluid returns at shakers. Drilling parameters : Flow 3500-4000 lpm / SPP 103-150 bar / Rotation 120 rpm /  WOB 4-7 MT / Torque 3-7 kNm / ECD 1,22. Reamed half stand on connection. Meanwhile repaired shaker #3.
dTimEnd: 2008-05-11T21:30:00+02:00
dTimStart: 2008-05-11T18:00:00+02:00
md: 1130
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Drilled 17 1/2" hole section from 1130 m to 1198 m MD. Drilling parameters : Flow 3500-4000 lpm / SPP 103-150 bar / Rotation 120 rpm /  WOB 4-7 MT / Torque 3-7 kNm / ECD 1,22 / ROP 25-35 m/hrs. Reamed half stand on connection. Meanwhile repaired shaker #3.
dTimEnd: 2008-05-12T00:00:00+02:00
dTimStart: 2008-05-11T21:30:00+02:00
md: 1198
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
Lithology and shows:
dTim: 2008-05-12T00:00:00+02:00
lithology: Claystone with traces of sand
mdBottom: 1190
mdTop: 1090
dTim: 2008-05-12T00:00:00+02:00
lithology: Claystone with traces of limestone and sandstone
mdBottom: 1240
mdTop: 1190
dTim: 2008-05-12T00:00:00+02:00
lithology: Sandstone with traces of claystone
mdBottom: 1260
mdTop: 1240