Daily Drilling Report
Well: NO 15/9-19 A
Report period: 1997-08-07T00:00:00+02:00 to 1997-08-08T00:00:00+02:00
Wellbore info:
dTimSpud: 1997-07-25T00:00:00+02:00
dateDrillComplete: 1997-08-30
daysBehind: 14
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-08-08T00:00:00+02:00
dTimDiaHoleStart: 1997-07-25T00:30:00+02:00
diaHole: 8.5
distDrill: 82
elevKelly: 25
fixedRig: false
forecast24Hr: RIH AND CONTINUE DRILLING IN ORIENTED MODE TO CORE POINT.
hpht: 0
md: 3632
mdCsgLast: 4643
mdDiaHoleStart: 2202
mdKickoff: 2178
mdPlanned: -999.99
mdStrengthForm: 2178
presTestType: leak off test
reportNo: 15
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: DRILL TO 3632M. CIRC AND POOH AND CHANGE BHA. RIH TO SHOE AND ROUTINE
CUT DRILLING LINE.
tightWell: 0
tvd: 2866
tvdStrengthForm: 1627
waterDepth: 84
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-08-07T00:24:00+02:00
density: 1.55
locationSample: Flowline
md: 3532
mudClass: other
presBopRating: 999
pv: 32
type: ULTIDRILL
visFunnel: 55
yp: 10
dTim: 1997-08-07T08:00:00+02:00
density: 1.55
locationSample: Flowline
md: 3586
mudClass: other
presBopRating: 999
pv: 32
type: ULTIDRILL
visFunnel: 54
yp: 11
dTim: 1997-08-07T22:30:00+02:00
density: 1.55
locationSample: Flowline
md: 3632
mudClass: other
presBopRating: 999
pv: 32
type: ULTIDRILL
visFunnel: 58
yp: 11
Pore pressure:
dTim: 1997-08-08T00:00:00+02:00
equivalentMudWeight: 1.22
md: 3632
readingKind: estimated
Survey stations:
azi: 11.6
dTim: 1997-08-08T00:00:00+02:00
incl: 22.3
md: 3592
tvd: 2829.7
azi: 9.9
dTim: 1997-08-08T00:00:00+02:00
incl: 21.9
md: 3604
tvd: 2840.8
Activities:
comments: DRILLED 8 1/2'' HOLE FROM 3550 - 3552 M.
dTimEnd: 1997-08-07T00:30:00+02:00
dTimStart: 1997-08-07T00:00:00+02:00
md: 3552
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: CIRCULATED UNTIL SHAKERS CLEANED UP BECAUSE OF INCREASE IN DRAG + IN PREPARATION TO ORIENT. BOOSTED RISER. NOTE: EXCESSIVE AMOUNT OF LARGE CASINGS TO SURFACE; TOOK 2.5 X BOTTOMS UP FOR SHAKERS TO CLEAN UP.
dTimEnd: 1997-08-07T02:00:00+02:00
dTimStart: 1997-08-07T00:30:00+02:00
md: 3552
phase: fixed
proprietaryCode: drilling -- circulating conditioning
state: ok
stateDetailActivity: success
comments: DRILLED 8 1/2'' HOLE FROM 3552 - 3573 M. UNABLE TO STEER DUE TO HANGING UP ON STABILIZERS AND FREQUENT STALLING  PROBLEMS.
dTimEnd: 1997-08-07T06:00:00+02:00
dTimStart: 1997-08-07T02:00:00+02:00
md: 3573
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: DRILLED 8 1/2" HOLE FROM 3573M TO 3632M. UNABLE TO STEER TO ACHIVE TARGET.
dTimEnd: 1997-08-07T15:00:00+02:00
dTimStart: 1997-08-07T06:00:00+02:00
md: 3632
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: CIRC HOLE CLEAN. DROP CARBIDE, EST HOLE SIZE 10,47 IN. CAVINGS RATE AT 100 L/HR AFTER CIRC 1,5 BTM UP. BOOSTED RISER.
dTimEnd: 1997-08-07T17:30:00+02:00
dTimStart: 1997-08-07T15:00:00+02:00
md: 3632
phase: fixed
proprietaryCode: drilling -- circulating conditioning
state: ok
stateDetailActivity: success
comments: FLOW CHECK 10 MIN, OK. PUMP SLUG. POOH. WELL SLICK. FLOW CHECK INSIDE SHOE AND BEFORE BHA ENTERED BOP. L/DOWN 1 DC, 2 STABILIZERS AND BIT.
dTimEnd: 1997-08-08T00:00:00+02:00
dTimStart: 1997-08-07T17:30:00+02:00
md: 0
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
Lithology and shows:
dTim: 1997-08-08T00:00:00+02:00
lithology: MARL INTERBEDDED WITH LIMESTONE
mdBottom: -999.99
mdTop: 3573