Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1997-12-28T00:00:00+01:00 to 1997-12-29T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-12-05T00:00:00+01:00
daysBehind: 47.9
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-12-29T00:00:00+01:00
dTimDiaHoleStart: 1997-12-18T21:00:00+01:00
diaHole: 6
distDrill: 27
elevKelly: 25
fixedRig: false
forecast24Hr: DRILL TO CORE POINT.
hpht: 0
md: 3717
mdCsgLast: 4643
mdDiaHoleStart: 2911
mdKickoff: 2911
mdPlanned: -999.99
reportNo: 24
ropCurrent: -999.99
sum24Hr: DRILLED 3708M TO 3717M. POOH AND CHANGED BIT AND AKO MOTOR. RIH TO
BTM AND DRILLED FROM 3717M TO 3728M.
tightWell: 0
tvd: 2887
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-12-28T06:00:00+01:00
density: 1.4
locationSample: Active pit
md: 3690
mudClass: other
presBopRating: 999
pv: 26
type: ULTIDRILL
visFunnel: 64
yp: 11
dTim: 1997-12-28T00:00:00+01:00
density: 1.4
locationSample: Active pit
md: 3690
mudClass: other
presBopRating: 999
pv: 26
type: ULTIDRILL
visFunnel: 64
yp: 11
Pore pressure:
dTim: 1997-12-29T00:00:00+01:00
equivalentMudWeight: 1.27
md: 3728
readingKind: estimated
Survey stations:
azi: 159.1
dTim: 1997-12-29T00:00:00+01:00
incl: 29.7
md: 3698
tvd: 2871.4
Activities:
comments: PERFORMED FLOW CHECK AND OBSERVED WELL FLOW. CLOSE ANNULAR, NO PRESSURE OBSERVED. OPENED CHOKE AND OBSERVED WELL STATIC. FOUND MUD WEIGHT TO BE INSUFFICIENT AND CAUSED U TUBE EFFECT. CORRECTED MUD WEIGHT IN ACTIVE FROM 1.45 SG TO 1.40 SG WHILST RECIPROCATED STRING AND CIRCULATED WITH 20 SPM.
dTimEnd: 1997-12-28T01:00:00+01:00
dTimStart: 1997-12-28T00:00:00+01:00
md: 3669
phase: fixed
proprietaryCode: drilling -- drill
state: fail
stateDetailActivity: operation failed
comments: CONTINUED LOGGING WITH MWD FROM 3679M TO 3690M. MADE 4 ATTEMPTS BEFORE OBTAINED GOOD SURVEY. WASHED ONTO BTM SEVERAL TIMES PRIOR TO DRILLING.
dTimEnd: 1997-12-28T02:30:00+01:00
dTimStart: 1997-12-28T01:00:00+01:00
md: 3690
phase: fixed
proprietaryCode: interruption -- repair
state: fail
stateDetailActivity: equipment failure
comments: DRILLED FROM 3690M TO 3708M.
dTimEnd: 1997-12-28T06:00:00+01:00
dTimStart: 1997-12-28T02:30:00+01:00
md: 3708
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: DRILLED FROM 3708M TO 3717M. ROP GRADUALLY DECREASED TO ZERO FOR 1 HRS
dTimEnd: 1997-12-28T09:30:00+01:00
dTimStart: 1997-12-28T06:00:00+01:00
md: 3717
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: REAMED SECTION FROM 3717M TO 3690M.
dTimEnd: 1997-12-28T10:00:00+01:00
dTimStart: 1997-12-28T09:30:00+01:00
md: 3690
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: POOH TO LINER SHOE. FLOW CHECKED AND PUMPED SLUG. CONTINUED POOH TO SURFACE AND CHANGED AKO MOTOR AND BIT.
dTimEnd: 1997-12-28T19:00:00+01:00
dTimStart: 1997-12-28T10:00:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: MADE UP 5 7/8" STABILIZER ON TOP OF AKO AND SET AKO TO 0 DEGR. CHECKED SCRIBE LINE.
dTimEnd: 1997-12-28T19:30:00+01:00
dTimStart: 1997-12-28T19:00:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: DUMPED MWD MEMORY.
dTimEnd: 1997-12-28T20:00:00+01:00
dTimStart: 1997-12-28T19:30:00+01:00
md: 26
phase: fixed
proprietaryCode: drilling -- other
state: ok
stateDetailActivity: success
comments: RIH TO 1837M. FILLED PIPE EACH 35 STANDS. TESTED MWD OK AT 1000M.
dTimEnd: 1997-12-28T23:30:00+01:00
dTimStart: 1997-12-28T20:00:00+01:00
md: 1837
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: DISCOVERED SMOKE FROM INSIDE DRAWORKS. FOUND SMOULDERS FROM GREASE/OBM BEHIND BRAKE BANDS. EXTINGUISED SMOULDERS AND CLEANED BRAKE BANDS.
dTimEnd: 1997-12-29T00:00:00+01:00
dTimStart: 1997-12-28T23:30:00+01:00
md: 1873
phase: fixed
proprietaryCode: interruption -- maintain
state: fail
stateDetailActivity: equipment failure
Lithology and shows:
dTim: 1997-12-29T00:00:00+01:00
lithology: CLAYSTONE WITH INTERLAMINATED MARL
mdBottom: -999.99
mdTop: 3700