Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1997-11-26T00:00:00+01:00 to 1997-11-27T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-11-10T00:00:00+01:00
daysBehind: 17.1
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-11-27T00:00:00+01:00
dTimDiaHoleStart: 1997-11-09T22:00:00+01:00
diaHole: 8.5
distDrill: 71
elevKelly: 25
fixedRig: false
forecast24Hr: DRILL 8 1/2" HOLE FROM 3212M TO CORE POINT AT +\- 3910M.
hpht: 0
md: 3125
mdCsgLast: 4643
mdDiaHoleStart: 2231
mdKickoff: 2911
mdPlanned: -999.99
presTestType: leak off test
reportNo: 18
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: WASHED DOWN FROM 2651M TO 2920M. WASHED AND DRILLED SOFT TO FIRM
CEMENT FROM 2920M TO 3054M. DRILLED 8 1/2" HOLE FROM 3054M TO 3212M.
NO MUD LOSSES.
tightWell: 0
tvd: 2388
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-11-26T08:00:00+01:00
density: 1.49
md: 3054
mudClass: other
presBopRating: 999
pv: 22
type: ULTIDRILL
visFunnel: 78
yp: 10.5
dTim: 1997-11-26T15:00:00+01:00
density: 1.49
md: 3054
mudClass: other
presBopRating: 999
pv: 33
type: ULTIDRILL
visFunnel: 65
yp: 9.5
dTim: 1997-11-26T23:59:00+01:00
density: 1.49
md: 3125
mudClass: other
presBopRating: 999
pv: 35
type: ULTIDRILL
visFunnel: 78
yp: 9.5
Pore pressure:
dTim: 1997-11-27T00:00:00+01:00
equivalentMudWeight: 1.03
md: 3183
readingKind: estimated
Survey stations:
azi: 158.2
dTim: 1997-11-27T00:00:00+01:00
incl: 33.4
md: 3043
tvd: 2319.1
azi: 158.2
dTim: 1997-11-27T00:00:00+01:00
incl: 32.9
md: 3071
tvd: 2342.5
azi: 158.4
dTim: 1997-11-27T00:00:00+01:00
incl: 32.9
md: 3099
tvd: 2366
azi: 158.5
dTim: 1997-11-27T00:00:00+01:00
incl: 33.1
md: 3128
tvd: 2390.4
azi: 159
dTim: 1997-11-27T00:00:00+01:00
incl: 33.1
md: 3157
tvd: 2414.7
azi: 158.7
dTim: 1997-11-27T00:00:00+01:00
incl: 32.9
md: 3186
tvd: 2439
Activities:
comments: CONTINUED RIH.
dTimEnd: 1997-11-26T02:30:00+01:00
dTimStart: 1997-11-26T00:00:00+01:00
md: 2150
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: CIRCULATED BOTTOMS UP. MAX. GAS 7%. ECD AT 2000 LPM FROM ANNULAR PRESSURE SUB 1.59 SG EMW (CALCULATED 1.57 SG EMW.) ORIENTED MOTOR TO PASS THROUGH WINDOW.
dTimEnd: 1997-11-26T03:30:00+01:00
dTimStart: 1997-11-26T02:30:00+01:00
md: 2150
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: CONTINUED RIH. NO OBSTRUCTIONS IN HOLE.
dTimEnd: 1997-11-26T05:00:00+01:00
dTimStart: 1997-11-26T03:30:00+01:00
md: 2600
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: BEGAN WASHING TO BOTTOM FROM 2600 M. 1500 LPM PUMP RATE - NO LOSSES. ECD FROM ANNULAR PRESSURE SUB 1.58 SG EMW. NO GAINS, NO LOSSES OF MUD FOR THE DAY.
dTimEnd: 1997-11-26T06:00:00+01:00
dTimStart: 1997-11-26T05:00:00+01:00
md: 2651
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: CONTINUED WASHING DOWN FROM 2651M TO 2920M WITH 1500 LPM PUMP RATE.
dTimEnd: 1997-11-26T10:00:00+01:00
dTimStart: 1997-11-26T06:00:00+01:00
md: 2920
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: success
comments: EXCESSIVE CUTTINGS AND CAVINGS AT SHAKERS. CIRCULATED UNTIL CUTTINGS VOLUME DECREASED AND ECD REDUCED FROM 1.63 SG TO 1.59 SG. CIRCULATION RATE 1500 LPM - 1000 LPM - 1500 LPM.
dTimEnd: 1997-11-26T13:00:00+01:00
dTimStart: 1997-11-26T10:00:00+01:00
md: 2920
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: success
comments: WASHED DOWN TO 2973M. DRILLED SOFT TO FIRM CEMENT 2973M TO 3054M. CIRCULATION RATE 1500 LPM. ECD 1.59-1.60 SG. NO LOSSES.
dTimEnd: 1997-11-26T17:30:00+01:00
dTimStart: 1997-11-26T13:00:00+01:00
md: 3054
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: success
comments: DRILLED 8 1/2" HOLE FROM 3054M TO 3103M WHILE STAGING CIRCULATION RATE  FROM 1500 LPM TO 1700 LPM. ROP CONTROLLED AT 20 MPH TO AVOID OVERLOADING ANNULUS. TOOK SPR'S.
dTimEnd: 1997-11-26T21:00:00+01:00
dTimStart: 1997-11-26T17:30:00+01:00
md: 3103
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: CUTTINGS TRANSPORT PIPE TO BAGGING STATION PLUGGED - CLEARED SAME (NOT DUE TO ANY LARGE VOLUME OF CUTTINGS AT THE TIME).
dTimEnd: 1997-11-26T21:30:00+01:00
dTimStart: 1997-11-26T21:00:00+01:00
md: 3103
phase: fixed
proprietaryCode: drilling -- drill
state: fail
stateDetailActivity: success
comments: DRILLED 8 1/2" HOLE FROM 3103M TO 3116M. CONTROLLED ROP AT 20 MPH TO AVOID OVERLOADING ANNULUS. STAGED CIRCULATION RATE UP TO 1700 LPM. ECD 1.59 SG - 1.62 SG. NO LOSSES.
dTimEnd: 1997-11-26T22:30:00+01:00
dTimStart: 1997-11-26T21:30:00+01:00
md: 3116
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: GAIN OF 0.3 M3 DETECTED - FLOWCHECKED NEGATIVE.
dTimEnd: 1997-11-26T23:00:00+01:00
dTimStart: 1997-11-26T22:30:00+01:00
md: 3116
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: DRILLED 8 1/2" HOLE FROM 3116M TO 3125M.
dTimEnd: 1997-11-27T00:00:00+01:00
dTimStart: 1997-11-26T23:00:00+01:00
md: 3125
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
Lithology and shows:
dTim: 1997-11-27T00:00:00+01:00
lithology: CLAYSTONE WITH MINOR LIMSTONE STRINGERS
mdBottom: -999.99
mdTop: 3054