Daily Drilling Report
Well: NO 15/9-F-1
Report period: 2013-08-07T00:00:00+02:00 to 2013-08-08T00:00:00+02:00
Wellbore info:
dTimSpud: 2007-11-28T00:00:00+01:00
dateDrillComplete: 2013-08-20
operator: Statoil
rigAlias: name: MÆRSK INSPIRER
name: 369304
Status:
dTim: 2013-08-08T00:00:00+02:00
dTimDiaHoleStart: 2013-08-04T15:15:00+02:00
diaHole: 17.5
distDrill: 311
elevKelly: 54.9
fixedRig: false
forecast24Hr: Drill and orientate 17 1/2" hole to TD.
Circulate hole clean.
POOH with 17 1/2" BHA.
Retrieve wear bushing.
Rig up and run 13 3/8" casing.
hpht: 0
md: 2438
mdCsgLast: 1348.4
mdDiaHoleStart: 1358
mdPlanned: -999.99
mdStrengthForm: 1358
presTestType: formation integrity test
reportNo: 22
ropCurrent: -999.99
strengthForm: 1.55
sum24Hr: Drilled and oriented 17 1/2" hole from 2127 m MD to 2439 m MD.
tightWell: 0
tvd: 2315.6
tvdCsgLast: 1336.4
tvdStrengthForm: 1345.9
waterDepth: 91
wellheadElevation: 138.9
Drilling fluid:
dTim: 2013-08-07T20:30:00+02:00
density: 1.4
locationSample: Flowline
md: 2405
mudClass: oil based
presBopRating: 345
pv: 36
tempHthp: 120
type: Enviromul Yellow
visFunnel: -999.99
yp: 12
dTim: 2013-08-07T15:30:00+02:00
density: 1.4
locationSample: Flowline
md: 2330
mudClass: oil based
presBopRating: 345
pv: 34
tempHthp: 120
type: Enviromul Yellow
visFunnel: -999.99
yp: 9.5
dTim: 2013-08-07T11:30:00+02:00
density: 1.4
locationSample: Flowline
md: 2269
mudClass: oil based
presBopRating: 345
pv: 33
tempHthp: 120
type: Enviromul Yellow
visFunnel: -999.99
yp: 10.5
dTim: 2013-08-07T04:00:00+02:00
density: 1.4
locationSample: Flowline
md: 2467
mudClass: oil based
presBopRating: 345
pv: 33
tempHthp: 120
type: Enviromul Yellow
visFunnel: -999.99
yp: 10
Pore pressure:
dTim: 2013-08-08T00:00:00+02:00
equivalentMudWeight: .99
md: 1355
readingKind: estimated
dTim: 2013-08-08T00:00:00+02:00
equivalentMudWeight: 1
md: 2438
readingKind: estimated
Survey stations:
azi: 34.79
dTim: 2013-08-08T00:00:00+02:00
incl: 29.84
md: 2113.7
tvd: 2033.9
azi: 35.71
dTim: 2013-08-08T00:00:00+02:00
incl: 29.81
md: 2154.7
tvd: 2069.5
azi: 36.98
dTim: 2013-08-08T00:00:00+02:00
incl: 29.84
md: 2194.3
tvd: 2103.8
azi: 38.27
dTim: 2013-08-08T00:00:00+02:00
incl: 29.79
md: 2234.7
tvd: 2138.9
azi: 37.36
dTim: 2013-08-08T00:00:00+02:00
incl: 30.01
md: 2275.1
tvd: 2173.9
azi: 35.61
dTim: 2013-08-08T00:00:00+02:00
incl: 29.96
md: 2305.9
tvd: 2200.6
azi: 35.35
dTim: 2013-08-08T00:00:00+02:00
incl: 30.06
md: 2396.5
tvd: 2279.1
Activities:
comments: Drilled and oriented 17 1/2" hole from 2087m MD to 2127m MD with 4400 lpm, 266 bar, 140 rpm, 12-25 kNm, 10-16 MT and 1.41 sg ECD.

Drilling ROP: 30 m/hr

Observed areas with high torque due to calcareous stringers.
dTimEnd: 2013-08-07T02:00:00+02:00
dTimStart: 2013-08-07T00:00:00+02:00
md: 2127
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Observed overtorqued connection. Attempted to break connection and broke off connection on top of saver sub instead. Greased lower IBOP connection, increased make up torque and made up saver sub to lower IBOP. Broke connection and made up new stand.
dTimEnd: 2013-08-07T02:45:00+02:00
dTimStart: 2013-08-07T02:00:00+02:00
md: 2127
phase: fixed
proprietaryCode: drilling -- other
state: ok
stateDetailActivity: success
comments: Drilled and oriented 17 1/2" hole from 2127m MD to 2325m MD with 4400 lpm, 266 bar, 120-160 rpm, 12-30 kNm, 16-20 MT and 1.41 sg ECD.

Reamed 1 single at 2207 m MD prior to connection.
Reamed 1/2 single at 2249 m MD prior to connection.
Reamed 1/2 single at 2290 m MD prior to connection.

Drilling ROP: 16 m/hr

Observed areas with high torque due to calcareous stringers.
dTimEnd: 2013-08-07T15:15:00+02:00
dTimStart: 2013-08-07T02:45:00+02:00
md: 2325
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Recorded SCR's prior to connection.
dTimEnd: 2013-08-07T15:30:00+02:00
dTimStart: 2013-08-07T15:15:00+02:00
md: 2325
phase: fixed
proprietaryCode: drilling -- other
state: ok
stateDetailActivity: success
comments: Drilled and oriented 17 1/2" hole from 2325 m MD to 2369 m MD with 4400 lpm, 266 bar, 120-160 rpm, 12-30 kNm,  WOB 11-19 Ton, 1,40 - 1,41 sg ECD.

Average drilling ROP 25 m/hr.

dTimEnd: 2013-08-07T17:15:00+02:00
dTimStart: 2013-08-07T15:30:00+02:00
md: 2369
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Not able to brake out over torqued DP connection.
Attempted to break connection, saver sub / lower IBOP connection broke unintended.
Made up saver sub / lower IBOP connection, increased make up torque to 80000 ft/lbs.
Broke out DP connection and made up new stand.
dTimEnd: 2013-08-07T17:45:00+02:00
dTimStart: 2013-08-07T17:15:00+02:00
md: 2369
phase: fixed
proprietaryCode: drilling -- other
state: ok
stateDetailActivity: success
comments: Drilled and oriented 17 1/2" hole from 2369 m MD to 2438 m MD with 4430 liter/min, 282 - 292 bar, 140-160 rpm, 15-24 kNm,  WOB 15-20 Ton, 1,39 - 1,41 sg ECD.

Average drilling ROP 11 m/hr.
dTimEnd: 2013-08-08T00:00:00+02:00
dTimStart: 2013-08-07T17:45:00+02:00
md: 2438
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
Lithology and shows:
dTim: 2013-08-08T00:00:00+02:00
lithology: Claystone with some limestone stringers
mdBottom: 2170
mdTop: 2090
tvdBottom: 2082.8
tvdTop: 2013.4
dTim: 2013-08-08T00:00:00+02:00
lithology: Sandstone with minor claystone layers
mdBottom: 2300
mdTop: 2180
tvdBottom: 2195.5
tvdTop: 2091.4
dTim: 2013-08-08T00:00:00+02:00
lithology: varicoloured Claystones
mdBottom: 2390
mdTop: 2310
tvdBottom: 2273.4
tvdTop: 2204.1
dTim: 2013-08-08T00:00:00+02:00
lithology: Claystone and some volcanic ashes
mdBottom: 2430
mdTop: 2400
tvdBottom: 2308
tvdTop: 2282.1