Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1998-01-09T00:00:00+01:00 to 1998-01-10T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-12-05T00:00:00+01:00
daysBehind: 59.9
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1998-01-10T00:00:00+01:00
dTimDiaHoleStart: 1997-12-18T21:00:00+01:00
diaHole: 6
distDrill: 139
elevKelly: 25
fixedRig: false
forecast24Hr: WORK STUCK PIPE.
hpht: 0
md: 4248
mdCsgLast: 4643
mdDiaHoleStart: 2911
mdKickoff: 2911
mdPlanned: -999.99
reportNo: 36
ropCurrent: -999.99
sum24Hr: FINISHED REAMING FROM 4130M TO 4139M TO AQCUIRE BETTER MWD LOG.
DRILLED FROM 4139M TO 4250M. CIRCULATED BOTTOMS UP AND BOOSTED RISER.
POOH FOR WIPER TRIP. PIPE STUCK AT 4094M. WORKED STUCK PIPE.
tightWell: 0
tvd: 3358
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
dTim: 1998-01-09T06:00:00+01:00
density: 1.4
locationSample: Active pit
md: 4038
mudClass: other
presBopRating: 999
pv: 26
type: ULTIDRILL
visFunnel: 52
yp: 10.5
dTim: 1998-01-09T00:00:00+01:00
density: 1.4
locationSample: Active pit
md: 4038
mudClass: other
presBopRating: 999
pv: 26
type: ULTIDRILL
visFunnel: 52
yp: 10.5
Pore pressure:
dTim: 1998-01-10T00:00:00+01:00
equivalentMudWeight: 1.3
md: 3775
readingKind: estimated
dTim: 1998-01-10T00:00:00+01:00
equivalentMudWeight: 1.12
md: 4250
readingKind: estimated
Survey stations:
azi: 154.1
dTim: 1998-01-10T00:00:00+01:00
incl: 30
md: 4140
tvd: 3265.9
azi: 154
dTim: 1998-01-10T00:00:00+01:00
incl: 30.9
md: 4170
tvd: 3291.8
azi: 152.9
dTim: 1998-01-10T00:00:00+01:00
incl: 31.2
md: 4197
tvd: 3314.9
azi: 152.8
dTim: 1998-01-10T00:00:00+01:00
incl: 31.5
md: 4226
tvd: 3339.7
Activities:
comments: FINISHED REAMING TO BOTTOM TO OBTAIN MWD LOG. HIGH TORQUE LIMITED PROGRESS. NO FILL.
dTimEnd: 1998-01-09T01:00:00+01:00
dTimStart: 1998-01-09T00:00:00+01:00
md: 4109
phase: fixed
proprietaryCode: formation evaluation -- log
state: ok
stateDetailActivity: success
comments: DRILLED 6" HOLE FROM 4109M TO 4139M. MWD SIGNAL INTERMITTENT AFTER DRILLING STARTED RESULTING IN POOR LOG QUALITY.
dTimEnd: 1998-01-09T03:30:00+01:00
dTimStart: 1998-01-09T01:00:00+01:00
md: 4139
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: POOH TO 4105M. STRING STUCK BRIEFLY AT 4123M WHILE RACKING BACK STAND OF DRILL PIPE. REAMED FROM 4105M TO 4130M TO ACQUIRE BETTER MWD LOG.
dTimEnd: 1998-01-09T06:00:00+01:00
dTimStart: 1998-01-09T03:30:00+01:00
md: 4130
phase: fixed
proprietaryCode: formation evaluation -- other
state: fail
stateDetailActivity: success
comments: FINISHED REAMING FROM 4130M TO 4139M TO ACQUIRE BETTER MWD LOG.
dTimEnd: 1998-01-09T07:00:00+01:00
dTimStart: 1998-01-09T06:00:00+01:00
md: 4139
phase: fixed
proprietaryCode: formation evaluation -- other
state: fail
stateDetailActivity: success
comments: DRILLED 6" HOLE FROM 4139M TO 4248M.
dTimEnd: 1998-01-10T00:00:00+01:00
dTimStart: 1998-01-09T07:00:00+01:00
md: 4248
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
Lithology and shows:
dTim: 1998-01-10T00:00:00+01:00
lithology: INTERBEDDED CLAYSTONE AND SANDSTONE WITH COAL STRINGERS
mdBottom: -999.99
mdTop: 4137
dTim: 1998-01-10T00:00:00+01:00
lithology: CLAYSTONE (RED BEDS) WITH OCCASIONAL VERY THIN SANDSTONE STRINGERS
mdBottom: -999.99
mdTop: 4214