Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1997-11-30T00:00:00+01:00 to 1997-12-01T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-11-10T00:00:00+01:00
daysBehind: 21.1
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-12-01T00:00:00+01:00
dTimDiaHoleStart: 1997-11-09T22:00:00+01:00
diaHole: 8.5
distDrill: -999.99
elevKelly: 25
fixedRig: false
forecast24Hr: RIH WITH CEMENT STINGER. SET BALANCED CEMENT PLUG FOR SIDETRACK.
POOH. P/U STEERABLE DRILLING ASSEMBLY AND RIH.
hpht: 0
md: 3272
mdCsgLast: 4643
mdDiaHoleStart: 2231
mdKickoff: 2911
mdPlanned: -999.99
presTestType: leak off test
reportNo: 22
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: CONTINUED RIH WITH CLEANOUT ASSEMBLY. WASHED AND REAMED TO TOP OF
FISH. EXCESSIVE CUTTINGS - RAISED MUD WEIGHT FROM 1.49 SG TO 1.52 SG.
SLIGHT LOSSES. POOH TO P/U CEMENT STINGER FOR SIDETRACK PLUG.
tightWell: 0
tvd: 2511
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-11-30T17:52:00+01:00
density: 1.52
md: 3272
mudClass: other
presBopRating: 999
pv: 34
type: ULTIDRILL
visFunnel: 79
yp: 11.5
dTim: 1997-11-30T21:00:00+01:00
density: 1.52
md: 3272
mudClass: other
presBopRating: 999
pv: 34
type: ULTIDRILL
visFunnel: 73
yp: 10.5
Pore pressure:
dTim: 1997-12-01T00:00:00+01:00
equivalentMudWeight: 1.03
md: 3272
readingKind: estimated
Survey stations:
Activities:
comments: M/U CLEANOUT ASSEMBLY AND RIH. HOLE FILLING OK. TOTAL MUD LOST FOR THE DAY - 1.75 M3
dTimEnd: 1997-11-30T06:00:00+01:00
dTimStart: 1997-11-30T00:00:00+01:00
md: 1171
phase: fixed
proprietaryCode: interruption -- fish
state: fail
stateDetailActivity: success
comments: CONTINUED RIH TO 2100M. CONDITIONED MUD AT 1800 LPM - FULL RETURNS. RIH TO 2600M. FILLED PIPE AND BROKE CIRCULATION. RIH TO 2835M. TOOK WEIGHT.
dTimEnd: 1997-11-30T10:30:00+01:00
dTimStart: 1997-11-30T06:00:00+01:00
md: 2835
phase: fixed
proprietaryCode: interruption -- fish
state: fail
stateDetailActivity: success
comments: COULD NOT WORK PIPE DOWN PAST 2835M. BROKE CIRCULATION AND WASHED AND REAMED FROM 2835M TO 2935M. 1800 LPM, FULL RETURNS. EXCESSIVE CUTTINGS AT SHAKERS.
dTimEnd: 1997-11-30T12:30:00+01:00
dTimStart: 1997-11-30T10:30:00+01:00
md: 2935
phase: fixed
proprietaryCode: interruption -- fish
state: fail
stateDetailActivity: success
comments: CIRCULATED BOTTOMS UP WHILE MOVING PIPE. PUMPING 1800 LPM WITH FULL RETURNS. EXCESSIVE AMOUNTS OF CUTTINGS AT SHAKERS. MAX ECD 1.65 SG. CONTINUED CIRCULATING AT 1800 LPM UNTIL ECD REDUCED TO 1.61 SG. CIRCULATED TOTAL OF 2 X BOTTOMS UP - STILL EXCESSIVE FRESH CUTTINGS.
dTimEnd: 1997-11-30T14:30:00+01:00
dTimStart: 1997-11-30T12:30:00+01:00
md: 2935
phase: fixed
proprietaryCode: interruption -- fish
state: fail
stateDetailActivity: success
comments: WASHED DOWN FROM 2935M TO TOP OF FISH AT 3161M. HIGH TORQUE IN PLACES, OTHERWISE MET LITTLE RESISTENCE. MEANWHILE RAISED MUD WEIGHT FROM 1.49 SG TO 1.52 SG. CUTTINGS/CAVINGS DECREASED. ECD INCREASED FROM 1.61 SG TO 1.64 SG. SLIGHT LOSSES - APPROX. 2 M3/HR WHILE CIRCULATING AT 1800 LPM.
dTimEnd: 1997-11-30T19:00:00+01:00
dTimStart: 1997-11-30T14:30:00+01:00
md: 3161
phase: fixed
proprietaryCode: interruption -- fish
state: fail
stateDetailActivity: success
comments: CIRCULATED BOTTOMS UP. AT 1800 LPM SOME LOSS DETECTED - 3-6 M3/HR. ECD 1.62 - 1.64 SG. NO EXCESS CUTTINGS AT BOTTOMS UP.
dTimEnd: 1997-11-30T20:00:00+01:00
dTimStart: 1997-11-30T19:00:00+01:00
md: 3161
phase: fixed
proprietaryCode: interruption -- fish
state: fail
stateDetailActivity: success
comments: FLOWCHECKED - SLIGHT GAIN, RATE OF GAIN FALLING. BEGAN POOH. NORMAL DRAG TO 3087M. TIGHT HOLE 3087M TO 3025M REQUIRED AS MUCH AS 50 TONS OVERPULL. TIGHT AT 3006M AND 2996M TO 2986M WHERE DRAG RETURNED TO NORMAL. HOLE DID NOT TAKE CORRECT FILL. CONT. POOH TO 2967M. BROKE CIRCULATION WITH 900 LPM, FULL RETURNS. PUMPED SLUG.
dTimEnd: 1997-11-30T23:00:00+01:00
dTimStart: 1997-11-30T20:00:00+01:00
md: 2967
phase: fixed
proprietaryCode: interruption -- fish
state: fail
stateDetailActivity: success
comments: CONTINUED POOH. NORMAL DRAG, HOLE FILL CORRECT.
dTimEnd: 1997-12-01T00:00:00+01:00
dTimStart: 1997-11-30T23:00:00+01:00
md: 2316
phase: fixed
proprietaryCode: interruption -- fish
state: fail
stateDetailActivity: success
Lithology and shows: