Daily Drilling Report
Well: NO 15/9-F-12
Report period: 2007-07-21T00:00:00+02:00 to 2007-07-22T00:00:00+02:00
Wellbore info:
dTimSpud: 2007-03-15T00:00:00+01:00
dateDrillComplete: 2007-08-26
daysBehind: 10.3
operator: Statoil
rigAlias: name: MÆRSK INSPIRER
name: 369304
Status:
dTim: 2007-07-22T00:00:00+02:00
dTimDiaHoleStart: 2007-07-21T13:30:00+02:00
diaHole: 17.5
distDrill: 62
elevKelly: 54.9
fixedRig: false
forecast24Hr: Continue drilling 17 1/2" hole section.
hpht: 0
md: 1431
mdCsgLast: 1357
mdDiaHoleStart: 1372
mdPlanned: -999.99
mdStrengthForm: 1353
presTestType: leak off test
reportNo: 39
ropCurrent: -999.99
strengthForm: 1.7
sum24Hr: Performed XLOT to 1,70 EMW. Drilled 17 1/2" hole from 1369 to 1461 m MD. Serviced standpipe manifold valves. Cleaned cuttings conveyer belt after unintentional stop.
tightWell: 0
tvd: 1403
tvdCsgLast: 1333
tvdStrengthForm: 1353
waterDepth: 91
wellheadElevation: 138.7
Drilling fluid:
dTim: 2007-07-21T08:00:00+02:00
density: 1.35
locationSample: Active pit
md: 1370
mudClass: water based
presBopRating: 690
pv: 35
type: HPWBM
visFunnel: -999.99
yp: 12.5
dTim: 2007-07-21T16:00:00+02:00
density: 1.35
locationSample: Active pit
md: 1371
mudClass: water based
presBopRating: 690
pv: 35
type: HPWBM
visFunnel: -999.99
yp: 13
dTim: 2007-07-21T23:00:00+02:00
density: 1.35
locationSample: Active pit
md: 1400
mudClass: water based
presBopRating: 690
pv: 30
type: HPWBM
visFunnel: -999.99
yp: 7.5
Pore pressure:
dTim: 2007-07-22T00:00:00+02:00
equivalentMudWeight: 1
md: 1440
readingKind: estimated
Survey stations:
azi: 246.96
dTim: 2007-07-22T00:00:00+02:00
incl: 16.99
md: 1393.6
tvd: 1368
azi: 245.6
dTim: 2007-07-22T00:00:00+02:00
incl: 17.83
md: 1407.3
tvd: 1381
Activities:
comments: Continued drilling cement in shoetrack from 1355 m to 1358 m MD. Drilling parameters 4000 lpm / SPP 130 bar / 90 rpm / 3-5 MT WOB / Torque 16 kNm.
dTimEnd: 2007-07-21T01:00:00+02:00
dTimStart: 2007-07-21T00:00:00+02:00
md: 1358
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Drilled cement in rathole from 1358 m to 1367,5 m MD. Drilling parameters 4000 lpm / SPP 131 bar / 50-80 rpm / 3 MT WOB / Torque 15 kNm. Reamed back to shoe for every 2 m drilled. Reamed through shoe without rotation last time - no obstructions. Performed toolbox talk prior to displacement.
dTimEnd: 2007-07-21T04:15:00+02:00
dTimStart: 2007-07-21T01:00:00+02:00
md: 1367.5
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Displaced well to 1,35 sg Performadrill KCl mud. Pumped 25 m3 hi-vis followed by 30 m3 of drillwater and 220 m3 1,35 sg Performadrill. Pump rate 2000-4000 lpm / SPP 80-190 bar / rotation 20 rpm. Closed dumpline valve and routed interface mud to pit#12.
dTimEnd: 2007-07-21T05:45:00+02:00
dTimStart: 2007-07-21T04:15:00+02:00
md: 1367.5
phase: fixed
proprietaryCode: drilling -- circulating conditioning
state: ok
stateDetailActivity: success
comments: Routed mud returns to pit#7 and circulated on closed system. Picked up single 5 1/2" DP for drilling rathole.
dTimEnd: 2007-07-21T06:00:00+02:00
dTimStart: 2007-07-21T05:45:00+02:00
md: 1367.5
phase: fixed
proprietaryCode: drilling -- circulating conditioning
state: ok
stateDetailActivity: success
comments: Drilled from 1367,5 m to 1372 m MD with reduced ROP due to problems with cold mud overflowing the shakers.
dTimEnd: 2007-07-21T07:00:00+02:00
dTimStart: 2007-07-21T06:00:00+02:00
md: 1372
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Criculated and conditioned mud at reduced rate 2200 lpm due to overflowing on shakers.
dTimEnd: 2007-07-21T08:00:00+02:00
dTimStart: 2007-07-21T07:00:00+02:00
md: 1372
phase: fixed
proprietaryCode: drilling -- circulating conditioning
state: ok
stateDetailActivity: success
comments: Pulled back into 20" casing without pumping.
dTimEnd: 2007-07-21T08:15:00+02:00
dTimStart: 2007-07-21T08:00:00+02:00
md: 1355
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Circulated and conditioned mud with bit inside 20" casing. Changed shaker screens to 145 mesh. Established flowrate of 4500 lpm.
dTimEnd: 2007-07-21T10:00:00+02:00
dTimStart: 2007-07-21T08:15:00+02:00
md: 1355
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Lined up cement unit down standpipe and kill line. Flushed lines with mud prior to XLOT. Closed BOP on 5 1/2" DP.
dTimEnd: 2007-07-21T10:15:00+02:00
dTimStart: 2007-07-21T10:00:00+02:00
md: 1355
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Performed XLOT. Pressured up 1st cycle at 100 lpm. Did not achieve expected response.
dTimEnd: 2007-07-21T10:45:00+02:00
dTimStart: 2007-07-21T10:15:00+02:00
md: 1355
phase: fixed
proprietaryCode: formation evaluation -- rft/fit
state: ok
stateDetailActivity: success
comments: Verified line up by closing in and releasing 10 bar down drillstring and kill line - ok.
dTimEnd: 2007-07-21T11:00:00+02:00
dTimStart: 2007-07-21T10:45:00+02:00
md: 1355
phase: fixed
proprietaryCode: formation evaluation -- rft/fit
state: ok
stateDetailActivity: success
comments: Continued XLOT.  Pumped 1000 liter at 100 lpm to get to 8-10 bar, zeroed counter. Pumped an additional 500 liter to 26 bar. Unexpected respons. Bled back pressure.
dTimEnd: 2007-07-21T12:00:00+02:00
dTimStart: 2007-07-21T11:00:00+02:00
md: 1355
phase: fixed
proprietaryCode: formation evaluation -- rft/fit
state: ok
stateDetailActivity: success
comments: Pressured up again with same volume at 200 lpm. Monitored trip tank for leakage above BOP - none detected. Repeated cycle twice more up to approx 50 bar at 100/200 lpm. No definitive leak off pressure could be determined. Prepared for work on standpipe valves.
dTimEnd: 2007-07-21T13:30:00+02:00
dTimStart: 2007-07-21T12:00:00+02:00
md: 1355
phase: fixed
proprietaryCode: formation evaluation -- rft/fit
state: ok
stateDetailActivity: success
comments: Dismanteled manual choke valve on standpipe manifold. Greased valve S2, 10 and 11.
dTimEnd: 2007-07-21T15:45:00+02:00
dTimStart: 2007-07-21T13:30:00+02:00
md: 1355
phase: fixed
proprietaryCode: interruption -- other
state: ok
stateDetailActivity: equipment failure
comments: Pressure tested standpipe manifold. Valves S3, 6, 7, 8 and 11 tested ok.
dTimEnd: 2007-07-21T17:15:00+02:00
dTimStart: 2007-07-21T15:45:00+02:00
md: 1355
phase: fixed
proprietaryCode: interruption -- other
state: ok
stateDetailActivity: equipment failure
comments: Lined up pumps and flowline for drilling. Stepped up rate to 4500 lpm. Cycled flowrates 3800/4500 lpm to set Powerdrive according to instructions from DD. Fast procedure failed. Reverted to long procedure, Powerdrive set - ok.
dTimEnd: 2007-07-21T18:45:00+02:00
dTimStart: 2007-07-21T17:15:00+02:00
md: 1355
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Drilled 17 1/2" section from 1372 m to 1422 m MD. Inserted and drilled with 1 singel to complete tally. Drilling parameters : Flow 4500 lpm / SPP 235 bar / 120 rpm / 10 MT WOB / Torque 15-20 kNm.
dTimEnd: 2007-07-21T22:30:00+02:00
dTimStart: 2007-07-21T18:45:00+02:00
md: 1422
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Started setting Powerdrive for corrections needed according to directional plan. Cycled rate 3800/4500 lpm. Had overload of cuttings conveyer belt which was shut down by safety switch. Had to stop pumping because the cuttings conveyer belt had stopped.
dTimEnd: 2007-07-21T23:00:00+02:00
dTimStart: 2007-07-21T22:30:00+02:00
md: 1422
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Worked to clean and re-start cuttings conveyer belt.
dTimEnd: 2007-07-21T23:30:00+02:00
dTimStart: 2007-07-21T23:00:00+02:00
md: 1422
phase: fixed
proprietaryCode: interruption -- other
state: ok
stateDetailActivity: equipment failure
comments: Continued cycling rate at 3800/4500 lpm to set Powerdrive. Continued drilling from 1422 m to 1431 m MD.
dTimEnd: 2007-07-22T00:00:00+02:00
dTimStart: 2007-07-21T23:30:00+02:00
md: 1431
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
Lithology and shows:
dTim: 2007-07-22T00:00:00+02:00
lithology: Homogenous claystone with thin, rare sitstone horizons and rare calcareous cementation.
mdBottom: 1440
mdTop: 1380
tvdBottom: 1412.5
tvdTop: 1354.9