Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1997-11-24T00:00:00+01:00 to 1997-11-25T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-11-10T00:00:00+01:00
daysBehind: 15.1
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-11-25T00:00:00+01:00
dTimDiaHoleStart: 1997-11-09T22:00:00+01:00
diaHole: 8.5
distDrill: -999.99
elevKelly: 25
fixedRig: false
forecast24Hr: CUT AND SLIP DRILLING LINE. POOH. TEST BOP. P/U DRILLING ASSEMBLY AND
RIH. DRILL CEMENT PLUG AND DRILL AHEAD.
hpht: 0
md: 3054
mdCsgLast: 4643
mdDiaHoleStart: 2231
mdKickoff: 2911
mdPlanned: -999.99
presTestType: leak off test
reportNo: 16
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: FINISHED WASHING TO BOTTOM WITH CEMENT STINGER. WELL STARTED FLOWING.
MONITORED PRESSURES AND BLED OFF SAME. CIRCULATED BOTTOMS UP. SET
BALANCED CEMENT PLUG OVER LOSS ZONE AND SQUEEZED SAME. CBU.
tightWell: 0
tvd: 2328
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-11-24T23:50:00+01:00
density: 1.49
md: 3054
mudClass: other
presBopRating: 999
pv: 22
type: ULTIDRILL
visFunnel: 78
yp: 10.5
Pore pressure:
dTim: 1997-11-25T00:00:00+01:00
equivalentMudWeight: 1.03
md: 3054
readingKind: estimated
Survey stations:
Activities:
comments: FINISHED POOH TO JUST ABOVE CASING WINDOW (WINDOW AT 2178M). DRAG OK. GAINED 1.1 M3 MUD.
dTimEnd: 1997-11-24T01:00:00+01:00
dTimStart: 1997-11-24T00:00:00+01:00
md: 2165
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: BROKE CIRCULATION AT 250 LPM - NO LOSSES. STAGED PUMP RATE UP TO 2000 LPM WITHOUT LOSSES. MAX GAS 17%.
dTimEnd: 1997-11-24T04:00:00+01:00
dTimStart: 1997-11-24T01:00:00+01:00
md: 2165
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: BEGAN WASHING TO BOTTOM AT 2000 LPM WHILE REDUCING MUD WEIGHT TO 1.49 SG. NO MUD LOSSES. BGG - 1.6%. TOTAL MUD LOST FOR THE DAY - 51.5 M3.
dTimEnd: 1997-11-24T06:00:00+01:00
dTimStart: 1997-11-24T04:00:00+01:00
md: 2410
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: CONTINUED WASHING DOWN TO 3030M. AT 3030M CIRCULATION RATE 1000 LPM, ROTARY RPM 130. LOST 1.5 M3 MUD WHILE WASHING DOWN FROM CASING WINDOW.
dTimEnd: 1997-11-24T13:00:00+01:00
dTimStart: 1997-11-24T06:00:00+01:00
md: 3020
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: GAINED 3.5 M3 WHILE MAKING CONNECTION. CLOSED IN WELL. INITIAL SICP/SIDPP 17 BAR/17 BAR. LEVELED OUT AT 20 BAR/20 BAR. TOTAL GAINED 4.5 M3.
dTimEnd: 1997-11-24T14:00:00+01:00
dTimStart: 1997-11-24T13:00:00+01:00
md: 3030
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: BLED 5 M3 MUD FROM ANNULUS THROUGH CHOKE. BLEED OFF RATE DECREASED FROM 360 LPM TO 250 LPM. CLOSED CHOKE - SICP/SIDPP 11 BAR/16 BAR. BLED OFF 2 M3 MUD FROM ANNULUS - BLEED RATE DECREASED TO 200 LPM. SICP/SIDPP 11 BAR/11 BAR. BLED REMAINING PRESSURE OFF WELL. TOTAL MUD GAINED BACK 21 M3.
dTimEnd: 1997-11-24T16:00:00+01:00
dTimStart: 1997-11-24T14:00:00+01:00
md: 3030
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: CONTINUED WASHING DOWN TO 3054M. CIRCULATED BOTTOMS UP AT 1000 LPM. NO GAINS, NO LOSSES. MAX GAS 11.5%. NO FILL.
dTimEnd: 1997-11-24T19:00:00+01:00
dTimStart: 1997-11-24T16:00:00+01:00
md: 3054
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: M/U CEMENTING STAND WHILE BOOSTING RISER. TESTED CEMENT LINE TO 100 BAR. PUMPED 4 M3 1.55 SG SPACER, 5.5 M3 1.65 SG CEMENT. DISPLACED CEMENT WITH .5 M3 SPACER AND 24 M3 MUD TO BALANCE. LOST .4 M3 MUD AND GAINED 6 BAR PRESSURE AFTER CEMENT PASSED STINGER.
dTimEnd: 1997-11-24T21:00:00+01:00
dTimStart: 1997-11-24T19:00:00+01:00
md: 3052
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: RACKED BACK CEMENT STAND AND POOH 7 STANDS DP TO 2852M - PIPE CAME OUT OF PLUG SLIGHTLY WET. PUMPED 3 M3 MUD TO CLEAR STINGER AND SLUG PIPE. CONTINUED POOH.
dTimEnd: 1997-11-25T00:00:00+01:00
dTimStart: 1997-11-24T21:00:00+01:00
md: 2356
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
Lithology and shows: