Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1998-01-04T00:00:00+01:00 to 1998-01-05T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-12-05T00:00:00+01:00
daysBehind: 54.9
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1998-01-05T00:00:00+01:00
dTimDiaHoleStart: 1997-12-18T21:00:00+01:00
diaHole: 6
distDrill: -999.99
elevKelly: 25
fixedRig: false
forecast24Hr: POOH AND L/D CORE #1. REDRESS CORE BARREL AND RIH. CUT CORE #2.
hpht: 0
md: 4048
mdCsgLast: 4643
mdDiaHoleStart: 2911
mdKickoff: 2911
mdPlanned: -999.99
reportNo: 31
ropCurrent: -999.99
sum24Hr: P/U CORE BARREL AND RIH. CUT CORE #1 FROM 3037M TO 3054.5M. POOH.
tightWell: 0
tvd: 3184
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
dTim: 1998-01-04T06:00:00+01:00
density: 1.4
locationSample: Active pit
md: 4031
mudClass: other
presBopRating: 999
pv: 31
type: ULTIDRILL
visFunnel: 57
yp: 12.5
dTim: 1998-01-04T00:00:00+01:00
density: 1.4
locationSample: Active pit
md: 4031
mudClass: other
presBopRating: 999
pv: 31
type: ULTIDRILL
visFunnel: 57
yp: 12.5
Pore pressure:
dTim: 1998-01-05T00:00:00+01:00
equivalentMudWeight: 1.3
md: 3775
readingKind: estimated
dTim: 1998-01-05T00:00:00+01:00
equivalentMudWeight: 1.13
md: 4054.5
readingKind: estimated
Survey stations:
Activities:
comments: CONTINUED POOH TO P/U CORE BARREL. DUMPED MWD MEMEORY AND RACKED BACK BHA.
dTimEnd: 1998-01-04T06:00:00+01:00
dTimStart: 1998-01-04T00:00:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: FINISHED L/D MWD AND RACKING BACK ROTARY ASSEMBLY.
dTimEnd: 1998-01-04T07:00:00+01:00
dTimStart: 1998-01-04T06:00:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: P/U CORE BARREL FROM DERRICK AND CHANGED OUT STABILIZERS FROM 5 31/32" TO 5 27/32". M/U CORE HEAD.
dTimEnd: 1998-01-04T10:30:00+01:00
dTimStart: 1998-01-04T07:00:00+01:00
md: 21
phase: fixed
proprietaryCode: formation evaluation -- rig up/down
state: ok
stateDetailActivity: success
comments: RIH WITH CORE BARREL TO CUT CORE #1. FILLED PIPE EVERY 1000M, BROKE CIRCULATION AT CASING SHOE. NO RESISTENCE MET WHILE RIH.
dTimEnd: 1998-01-04T20:00:00+01:00
dTimStart: 1998-01-04T10:30:00+01:00
md: 3996
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: WASHED TO BOTTOM FROM 3996M TO 4037M - NO FILL. DROPPED BALL AND TOOK SPR'S. ATTEMPTED TO START CORING - STRING STUCK ON BOTTOM FOR 20 MINUTES - JARRED REPEATEDLY TO FREE.
dTimEnd: 1998-01-04T21:30:00+01:00
dTimStart: 1998-01-04T20:00:00+01:00
md: 4037
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: CUT CORE #1 FROM 4037M TO 4048M. ROTARY VERY SENSITIVE TO BIT WEIGHT. RAN ONLY 0-2 TONS WOB TO AVOID STALLING DRILL STRING AND HAVING TO PICK UP OFF BOTTOM TO RESTART ROTATION.
dTimEnd: 1998-01-05T00:00:00+01:00
dTimStart: 1998-01-04T21:30:00+01:00
md: 4048
phase: fixed
proprietaryCode: formation evaluation -- core
state: ok
stateDetailActivity: success
Lithology and shows: