Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1997-12-26T00:00:00+01:00 to 1997-12-27T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-12-05T00:00:00+01:00
daysBehind: 45.9
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-12-27T00:00:00+01:00
dTimDiaHoleStart: 1997-12-18T21:00:00+01:00
diaHole: 6
distDrill: 34
elevKelly: 25
fixedRig: false
forecast24Hr: INVESTIGATE MWD FAILURE AND RIH. DRILL FOR CORE POINT.
hpht: 0
md: 3690
mdCsgLast: 4643
mdDiaHoleStart: 2911
mdKickoff: 2911
mdPlanned: -999.99
reportNo: 22
ropCurrent: -999.99
sum24Hr: RIH TO BTM. PRECATIONARY WASHED FOR JUNK AT BTM, DRILLED FROM 3656M TO
3690M. NO MWD SIGNALS, POOH TO INVESTIGATE MWD FAILURE.
tightWell: 0
tvd: 2835.8
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-12-26T06:00:00+01:00
density: 1.4
locationSample: Active pit
md: 3656.6
mudClass: other
presBopRating: 999
pv: 26
type: ULTIDRILL
visFunnel: 71
yp: 11
dTim: 1997-12-26T00:00:00+01:00
density: 1.4
locationSample: Active pit
md: 3656.6
mudClass: other
presBopRating: 999
pv: 26
type: ULTIDRILL
visFunnel: 71
yp: 11
Pore pressure:
dTim: 1997-12-27T00:00:00+01:00
equivalentMudWeight: 1.26
md: 3690
readingKind: estimated
Survey stations:
Activities:
comments: CONTINUED POOH TO SURFACE.
dTimEnd: 1997-12-26T04:00:00+01:00
dTimStart: 1997-12-26T00:00:00+01:00
md: 25
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: RECOVERED MWD MEMORY.
dTimEnd: 1997-12-26T05:00:00+01:00
dTimStart: 1997-12-26T04:00:00+01:00
md: 25
phase: fixed
proprietaryCode: drilling -- other
state: ok
stateDetailActivity: success
comments: LAID DOWN BIT AND FOUND TIP OF CONE NO 3 MISSING. SET NAVIDRILL TO 0,8 DEGR TILT AND CHECK SCRIBE LINE.
dTimEnd: 1997-12-26T06:00:00+01:00
dTimStart: 1997-12-26T05:00:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: CONTINUED M/UP BHA AND RIH TO 3571M. FILLED STRING EVERY 20 STAND.
dTimEnd: 1997-12-26T14:00:00+01:00
dTimStart: 1997-12-26T06:00:00+01:00
md: 3571
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: PRECAUTIONARY WASH AND ROTATE FROM 3571M TO 3656. WASHED ONTO BTM SEVERAL TIMES PRIOR TO DRILLING.
dTimEnd: 1997-12-26T16:00:00+01:00
dTimStart: 1997-12-26T14:00:00+01:00
md: 3656
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: DRILLED IN ROTATION MODE FROM 3656M TO 3690M. WASHED TO BTM AFTER CONNECTIONS. NOT ABLE TO DECODE MWD SIGNALS. SIGNALS MISSING OR TO WEAK AT SURFACE.
dTimEnd: 1997-12-26T22:00:00+01:00
dTimStart: 1997-12-26T16:00:00+01:00
md: 3690
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: REAMED SECTION FROM 3690M TO 3570M 3 TIMES.
dTimEnd: 1997-12-26T23:00:00+01:00
dTimStart: 1997-12-26T22:00:00+01:00
md: 3570
phase: fixed
proprietaryCode: interruption -- repair
state: fail
stateDetailActivity: equipment failure
comments: PUMPED SLUG AND POOH TO 3350M. HOLE IN GOOD CONDITION.
dTimEnd: 1997-12-27T00:00:00+01:00
dTimStart: 1997-12-26T23:00:00+01:00
md: 3350
phase: fixed
proprietaryCode: interruption -- repair
state: fail
stateDetailActivity: equipment failure
Lithology and shows:
dTim: 1997-12-27T00:00:00+01:00
lithology: LIMESTONE WITH MINOR MARL AND CLAYSTONE
mdBottom: -999.99
mdTop: 3650
dTim: 1997-12-27T00:00:00+01:00
lithology: CLAYSTONE WITH LIMESTONE/MARL INTERBEDS
mdBottom: -999.99
mdTop: 3680