Daily Drilling Report
Well: NO 15/9-F-12
Report period: 2007-07-30T00:00:00+02:00 to 2007-07-31T00:00:00+02:00
Wellbore info:
dTimSpud: 2007-03-15T00:00:00+01:00
dateDrillComplete: 2007-08-26
daysBehind: 16.1
operator: Statoil
rigAlias: name: MÆRSK INSPIRER
name: 369304
Status:
dTim: 2007-07-31T00:00:00+02:00
dTimDiaHoleStart: 2007-07-21T13:30:00+02:00
diaHole: 17.5
distDrill: 59.5
elevKelly: 54.9
fixedRig: false
forecast24Hr: Flowcheck well. POOH with 17 1/2" drilling BHA. Break and rack back BHA. Retrieve nominal seat protector. Rig up for running 14 " casing. Start running 14" casing.
hpht: 0
md: 2572.5
mdCsgLast: 1357
mdDiaHoleStart: 1372
mdPlanned: -999.99
mdStrengthForm: 1353
presTestType: leak off test
reportNo: 48
ropCurrent: -999.99
strengthForm: 1.7
sum24Hr: Drilled 17 1/2" hole section from 2523,5 m to section TD at 2572,5 m MD. Circulated hole clean prior to POOH with 17 1/2" drilling BHA.
tightWell: 0
tvd: 2481.5
tvdCsgLast: 1333
tvdStrengthForm: 1353
waterDepth: 91
wellheadElevation: 138.7
Drilling fluid:
dTim: 2007-07-30T04:30:00+02:00
density: 1.35
locationSample: Active pit
md: 2520
mudClass: water based
presBopRating: 690
pv: 35
type: HPWBM
visFunnel: -999.99
yp: 11
dTim: 2007-07-30T10:00:00+02:00
density: 1.35
locationSample: Active pit
md: 2520
mudClass: water based
presBopRating: 690
pv: 38
type: HPWBM
visFunnel: -999.99
yp: 9.5
dTim: 2007-07-30T16:00:00+02:00
density: 1.35
locationSample: Reserve pit
md: 2558
mudClass: water based
presBopRating: 690
pv: 36
type: HPWBM
visFunnel: -999.99
yp: 10
dTim: 2007-07-30T23:00:00+02:00
density: 1.35
locationSample: Active pit
md: 2572
mudClass: water based
presBopRating: 690
pv: 36
type: HPWBM
visFunnel: -999.99
yp: 12.5
Pore pressure:
dTim: 2007-07-31T00:00:00+02:00
equivalentMudWeight: 1.05
md: 2513
readingKind: estimated
Survey stations:
Activities:
comments: Connected TDS, filled pipe and broke circulation.
dTimEnd: 2007-07-30T00:15:00+02:00
dTimStart: 2007-07-30T00:00:00+02:00
md: 2238
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: Continued to RIH with 17 1/2" drilling BHA on 5 1/2" DP from 2238 m to 2470 m MD. Hit obstruction at 2470 m MD.
dTimEnd: 2007-07-30T01:30:00+02:00
dTimStart: 2007-07-30T00:15:00+02:00
md: 2470
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: Brought pump up to 4300 lpm / SPP 293 bar and reamed with 120 rpm to clear restriction. Still took some weight on bit. Reduced rate an downlinked Powerdrive according to instructions from DD. Reamed down to 2482 with 0-2 MT WOB while setting Powerdrive.
dTimEnd: 2007-07-30T02:30:00+02:00
dTimStart: 2007-07-30T01:30:00+02:00
md: 2482
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: Made connection. Performed SCR. Performed MWD survey. Reamed down to 2513 with 4300 lpm and 120 rpm.
dTimEnd: 2007-07-30T03:00:00+02:00
dTimStart: 2007-07-30T02:30:00+02:00
md: 2513
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: Drilled 17 1/2" hole from 2513 m to 2523,5 m MD. Drilling parameters : Flow 4360 lpm / SPP 284-296 bar / 180 rpm / 12-19 MT WOB /  Torque 23 kNm / ECD 1,391-1,394. ROP 5-7 m/hrs. Trip gas peaked at 12000 ppm.
dTimEnd: 2007-07-30T04:45:00+02:00
dTimStart: 2007-07-30T03:00:00+02:00
md: 2523.5
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Performed survey. Circulated hole clean => Reciprocated on stand, increased pumprate to 4500 lpm / 293 bar SPP / rotation 120 rpm. ECD when starting 1,393. ECD at 06.00 1,389. MW out 1,37. Started to add Graphite and Calcarb to active.
dTimEnd: 2007-07-30T06:00:00+02:00
dTimStart: 2007-07-30T04:45:00+02:00
md: 2523.5
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Continued to circulate hole clean with 4500 lpm.
dTimEnd: 2007-07-30T06:30:00+02:00
dTimStart: 2007-07-30T06:00:00+02:00
md: 2523.5
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Made connection. Performed MWD survey. Stepped up pumps to drilling rate at 4500 lpm.
dTimEnd: 2007-07-30T07:00:00+02:00
dTimStart: 2007-07-30T06:30:00+02:00
md: 2523.5
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Continued drilling 17 1/2" hole from 2523,5 m to 2535 m MD. Drilling parameters : Flow 4500 lpm / SPP 282 bar / 180 rpm / 20 MT WOB /  Torque 24 kNm / ECD 1,38. ROP 5 m/hrs. Failure on mud pump #1 and mud pump #3.
dTimEnd: 2007-07-30T08:45:00+02:00
dTimStart: 2007-07-30T07:00:00+02:00
md: 2535
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Worked on mud pumps #1 and #3. Changed discharge valve and seat on MP#3. Changed suction valve, seat and cap seal on MP#1. Meanwhile reciprocated and circulated at 1500 lpm / 50 rpm.
dTimEnd: 2007-07-30T10:45:00+02:00
dTimStart: 2007-07-30T08:45:00+02:00
md: 2535
phase: fixed
proprietaryCode: interruption -- other
state: ok
stateDetailActivity: equipment failure
comments: Continued drilling 17 1/2" hole from 2535 m to 2541 m MD. Drilling parameters : Flow 4500 lpm / SPP 282 bar / 180 rpm / 12 MT WOB /  Torque 24 kNm / ECD 1,38. ROP 5 m/hrs.
dTimEnd: 2007-07-30T12:00:00+02:00
dTimStart: 2007-07-30T10:45:00+02:00
md: 2541
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Checked for losses - ok.
dTimEnd: 2007-07-30T12:15:00+02:00
dTimStart: 2007-07-30T12:00:00+02:00
md: 2541
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Continued drilling 17 1/2" hole from 2541 m to 2548 m MD. Drilling parameters : Flow 4500 lpm / SPP 282 bar / 180 rpm / 20 MT WOB /  Torque 24 kNm / ECD 1,38. ROP 12 m/hrs
dTimEnd: 2007-07-30T14:00:00+02:00
dTimStart: 2007-07-30T12:15:00+02:00
md: 2548
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Checked for losses - ok.
dTimEnd: 2007-07-30T14:15:00+02:00
dTimStart: 2007-07-30T14:00:00+02:00
md: 2548
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Continued drilling 17 1/2" hole from 2548 m to 2569 m MD. Drilling parameters : Flow 4500 lpm / SPP 272-280 bar / 180 rpm / 12-18 MT WOB /  Torque 24 kNm / ECD 1,37. ROP 1-2 m/hrs. Had drilling break at 2569 m MD, ROP increased to 10 m/hrs over 0,8 m drilled, then decreased again. Dynamic losses of 1-2 m3/hrs. Encountered erratic data on incl. azim. sensor on powerdrive.
dTimEnd: 2007-07-30T21:45:00+02:00
dTimStart: 2007-07-30T14:15:00+02:00
md: 2569
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Drilled 17 1/2" hole from 2569 to 2572,5 m MD. Drilling parameters : Flow 4500 lpm / SPP 282 bar / 180 rpm / 12 MT WOB /  Torque 24 kNm / ECD 1,37.  ROP 1-2 m/hrs. Log response indicating top of Ty penetrated. Dynamic losses approx 3 m3/hrs. Lost connection with PowerDrive sensors, incl, az, GR.
dTimEnd: 2007-07-30T23:30:00+02:00
dTimStart: 2007-07-30T21:45:00+02:00
md: 2572.5
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: Circulated bottoms up at 4500 lpm to obtain bottom sample.
dTimEnd: 2007-07-31T00:00:00+02:00
dTimStart: 2007-07-30T23:30:00+02:00
md: 2572.5
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
Lithology and shows:
dTim: 2007-07-31T00:00:00+02:00
lithology: Claystone with traces of calcareous siltstones.
mdBottom: 2545
mdTop: 2513
tvdBottom: 2456
tvdTop: 2427
dTim: 2007-07-31T00:00:00+02:00
lithology: Claystones and siltstones w/ occ. quarts grains.
mdBottom: 2555
mdTop: 2545
tvdBottom: 2465
tvdTop: 2456
dTim: 2007-07-31T00:00:00+02:00
lithology: Sandstones with various amount of claystones and siltstones  
mdBottom: 2573
mdTop: 2555
tvdBottom: 2482
tvdTop: 2465