Daily Drilling Report
Well: NO 15/9-F-12
Report period: 2008-01-14T00:00:00+01:00 to 2008-01-15T00:00:00+01:00
Wellbore info:
dTimSpud: 2007-03-15T00:00:00+01:00
dateDrillComplete: 2007-08-26
operator: StatoilHydro
rigAlias: name: MÆRSK INSPIRER
name: 369304
Status:
dTim: 2008-01-15T00:00:00+01:00
dTimDiaHoleStart: 2008-01-03T16:45:00+01:00
distDrill: -999.99
elevKelly: 54.9
fixedRig: false
forecast24Hr: Run RTTS packer and test above and below lower tie-back stinger.
hpht: 0
md: 3520
mdCsgLast: 3519
mdDiaHoleStart: 0
mdPlanned: -999.99
mdPlugTop: 3480
mdStrengthForm: 3116
presTestType: formation integrity test
reportNo: 112
ropCurrent: -999.99
strengthForm: 1.6
sum24Hr: Tested BOP. Pulled test plug. RIH with cup tester and tested upper tie-back string. Fingerprinted trip tanks. Leak tested tie-back and recorded leakage rates. Set nominal bowl protector. Waited on RTTS to arrive on supply boat.
tightWell: 0
tvd: 3107.4
tvdCsgLast: 3107.8
tvdStrengthForm: 2863
waterDepth: 91
wellheadElevation: 138.6
Drilling fluid:
dTim: 2008-01-14T00:00:00+01:00
density: 1.03
locationSample: Reserve pit
md: -999.99
mudClass: other
presBopRating: 690
pv: -999.99
type: Packer fluid
visFunnel: -999.99
yp: -999.99
Pore pressure:
Survey stations:
Activities:
comments: Discussed situation. Decided to do pressure test in steps to identify the onset of the leakage. Fitted B-annulus with pressure gauge.
dTimEnd: 2008-01-14T01:00:01+01:00
dTimStart: 2008-01-14T00:00:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: success
comments: Pressured up well in 50 bar increments:

50 bar / 415 liter - Presssure drop 0,97 bar / 5 min
100 bar / 775 liter - Pressure drop 0,8 bar / 5 min
150 bar / 1099 liter - Pressure drop 1,8 bar / 5 min
200 bar / 1451 liter - Pressure drop 5,3 bar / 5 min corresponding to a leakage rate of 7 l/min.
dTimEnd: 2008-01-14T02:00:01+01:00
dTimStart: 2008-01-14T01:00:01+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: success
comments: Closed B-annulus valves. Observed wrong placement of pressure gauge and unsuited scale on same. Bled back pressure to 150 bar. Changed pressure gauge. Pressure dropped from 150 bar to 142 bar over 30 min (1,8 l/min) while working on annulus. When opening inner B-annulus valve a pressure of 12 bar could be observed on the pressure gauge immediately.
dTimEnd: 2008-01-14T02:30:01+01:00
dTimStart: 2008-01-14T02:00:01+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: success
comments: Pressured up well to 200 bar and observed annulus pressure increase to 25 bar. Pressure fell on well and increased on annulus :

5 min : well; 2,4 bar drop / annulus; 3 bar cummulative increase
10 min : well; 4,6 bar drop / annulus; 6 bar cummulative increase
15 min : well; 6,4 bar drop / annulus; 9 bar cummulative increase
20 min : well; 7,5 bar drop / annulus; 11 bar cummulative increase

Indication of leakage from tie-back casing to B-annulus confirmed. Leakage rate with closed annulus at approx 200 bar - 2,5 l/min.
dTimEnd: 2008-01-14T03:15:01+01:00
dTimStart: 2008-01-14T02:30:01+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: success
comments: Bled back pressure on casing and B-annulus.
dTimEnd: 2008-01-14T03:30:01+01:00
dTimStart: 2008-01-14T03:15:01+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: success
comments: Prepared for testing BOP. Picked up BOP test plug and RIH with same. Set test plug in surface wellhead.
dTimEnd: 2008-01-14T04:00:01+01:00
dTimStart: 2008-01-14T03:30:01+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- bop/wellhead equipment
state: ok
stateDetailActivity: success
comments: Tested 18 3/4" surface BOP according to Mærsk procedure.
dTimEnd: 2008-01-14T06:00:00+01:00
dTimStart: 2008-01-14T04:00:01+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- bop activities
state: ok
stateDetailActivity: success
comments: Tested 18 3/4" surface BOP.
dTimEnd: 2008-01-14T10:30:00+01:00
dTimStart: 2008-01-14T06:00:00+01:00
md: 20
phase: fixed
proprietaryCode: drilling -- bop activities
state: ok
stateDetailActivity: success
comments: POOH with BOP test plug and laid down same.
dTimEnd: 2008-01-14T10:45:00+01:00
dTimStart: 2008-01-14T10:30:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- bop activities
state: ok
stateDetailActivity: success
comments: Discussed further actions with town. Meanwhile picked up and made up 10 3/4" cup tester.
dTimEnd: 2008-01-14T12:30:00+01:00
dTimStart: 2008-01-14T10:45:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
comments: Held toolbox talk prior to RIH with 10 3/4" cup tester.
dTimEnd: 2008-01-14T13:00:00+01:00
dTimStart: 2008-01-14T12:30:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
comments: RIH with 10 3/4" cup tester on 5 1/2" DP to 30,5 m MD. Closed UPR and verified lineup.
dTimEnd: 2008-01-14T13:15:00+01:00
dTimStart: 2008-01-14T13:00:00+01:00
md: 30.5
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
comments: Pressure tested ASH and casing hanger against 10 3/4" cup tester. Stepped up pressure in 50 bar increments from 100 bar and held each step for 5 min. Obtained good test at 345 bar. Pumped and bled back 79 l.
dTimEnd: 2008-01-14T13:45:00+01:00
dTimStart: 2008-01-14T13:15:00+01:00
md: 30.5
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
comments: RIH with 10 3/4" cup tester on 5 1/2" DP from 30,5 m to 132 m MD. Closed UPR.
dTimEnd: 2008-01-14T14:00:00+01:00
dTimStart: 2008-01-14T13:45:00+01:00
md: 132
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
comments: Pressure tested upper tie-back string against 10 3/4" cup tester. Stepped up pressure in 50 bar increments from 100 bar and held each step for 5 min. Obtained good test at to 345 bar. Pumped and bled back 172 liter.
dTimEnd: 2008-01-14T14:45:00+01:00
dTimStart: 2008-01-14T14:00:00+01:00
md: 132
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
comments: RIH with 10 3/4" cup tester on 5 1/2" DP from 132 m to 150 m MD. Closed UPR.
dTimEnd: 2008-01-14T15:00:00+01:00
dTimStart: 2008-01-14T14:45:00+01:00
md: 150
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
comments: Pressure tested tie-back adaptor against 10 3/4" cup tester. Stepped up pressure in 50 bar increments from 100 bar and held each step for 5 min. Obtained good tests at 345 bar. Entire upper tie-back string tested to 345 bar / 10 min - ok. Pumped and bled back 183 liter.
dTimEnd: 2008-01-14T15:45:00+01:00
dTimStart: 2008-01-14T15:00:00+01:00
md: 150
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
comments: POOH with 10 3/4" cup tester on 5 1/2" DP. Broke out and laid down cup tester.
dTimEnd: 2008-01-14T16:15:00+01:00
dTimStart: 2008-01-14T15:45:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
comments: Closed shear rams and performed fingerprinting of trip tank :
Added 20 l water above shear ram. Observed 20 l increase (driller/logger)
Added 10 l water above shear ram. Observed 10 l increase (driller/logger)
dTimEnd: 2008-01-14T16:45:00+01:00
dTimStart: 2008-01-14T16:15:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
comments: Lined up to pump down well and re-test the complete tie-back string.
dTimEnd: 2008-01-14T17:00:00+01:00
dTimStart: 2008-01-14T16:45:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
comments: Pressured up well to 101 bar at 100 lpm. Pumped 712 liter. Dropped from 101,6 bar to 100,7 bar in 5 min - ok.

Pressured further up to 200 bar at 100 lpm. Total pumped 1410 liter. Dropped from 200 bar to 195,6 bar in 5 min. Leaking at approx 6 l/min.

Pressured further up to 250 bar. Total pumped 1806 liter. Pressure drop 4 bar/5min.

Pressured further up to 300 bar. Total pumped 2184 liter. Pressure drop 4 bar/5 min. Measured leakage rate of 4 l/min on B-annulus. 

Pressured further up to 346 bar. Pressure drop 0,5 bar/min. Measured leakage rate of 4 l/min on B-annulus.
dTimEnd: 2008-01-14T18:15:00+01:00
dTimStart: 2008-01-14T17:00:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
comments: Pressured up well to 345 bar every 15 min. Pressure dropped 0,5 bar/min. Measured a steady leakage rate of 4 l/min on B-annulus. Observed increase in leakage rate of approx 12 l/min each time the well was pressurised back to 345 bar. No significant change in leakage rates could be observed. Bled off pressure on well.
dTimEnd: 2008-01-14T20:30:00+01:00
dTimStart: 2008-01-14T18:15:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
comments: Picked up and RIH with nominal bowl protector at 20,8 m MD. Set bowl protector and pulled stand.
dTimEnd: 2008-01-15T00:00:00+01:00
dTimStart: 2008-01-14T20:30:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: operation failed
Lithology and shows: