Daily Drilling Report
Well: NO 15/9-19 A
Report period: 1997-08-18T00:00:00+02:00 to 1997-08-19T00:00:00+02:00
Wellbore info:
dTimSpud: 1997-07-25T00:00:00+02:00
dateDrillComplete: 1997-08-30
daysBehind: 25
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-08-19T00:00:00+02:00
dTimDiaHoleStart: 1997-07-25T00:30:00+02:00
diaHole: 8.5
distDrill: 27
elevKelly: 25
fixedRig: false
forecast24Hr: COMPLETE POOH WITH CORE NO 7 AND L/DOWN CORE BARREL. TEST BOP AND
REPAIR OR CHANGE IBOP ON TDS. M/UP DRILLING BHA AND RIH TO DRILL
45 M RATHOLE.
hpht: 0
md: 4017
mdCsgLast: 4643
mdDiaHoleStart: 2202
mdKickoff: 2178
mdPlanned: -999.99
mdStrengthForm: 2178
presTestType: leak off test
reportNo: 26
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: CONTINUED RIH. REAMED TIGHT HOLE TO CORE POINT. CUTTED CORE NO 7.
STARTED POH.
tightWell: 0
tvd: 3205.1
tvdStrengthForm: 1627
waterDepth: 84
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-08-18T14:00:00+02:00
density: 1.55
locationSample: Flowline
md: 3990
mudClass: other
presBopRating: 999
pv: 42
type: ULTIDRILL
visFunnel: 68
yp: 10
dTim: 1997-08-18T23:00:00+02:00
density: 1.55
locationSample: Flowline
md: 4017
mudClass: other
presBopRating: 999
pv: 42
type: ULTIDRILL
visFunnel: 67
yp: 9
Pore pressure:
dTim: 1997-08-19T00:00:00+02:00
equivalentMudWeight: 1.22
md: 3600
readingKind: estimated
dTim: 1997-08-19T00:00:00+02:00
equivalentMudWeight: 1.11
md: 4017
readingKind: estimated
Survey stations:
Activities:
comments: CONTINUED POOH. FLOW CHECKED, OK, BEFORE BHA ENTERED BOP. HELD RESTRICTED SPEED FROM 400M AND TO SURFACE.
dTimEnd: 1997-08-18T02:00:00+02:00
dTimStart: 1997-08-18T00:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: RECOVERED CORE NO 6. 100.5 % RECOVERY.
dTimEnd: 1997-08-18T03:00:00+02:00
dTimStart: 1997-08-18T02:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: MADE UP NEW COREHEAD AND INNERBARREL, SERVICED COREBARREL.
dTimEnd: 1997-08-18T04:30:00+02:00
dTimStart: 1997-08-18T03:00:00+02:00
md: 26
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: RIH WITH COREBARREL TO 600M.
dTimEnd: 1997-08-18T06:00:00+02:00
dTimStart: 1997-08-18T04:30:00+02:00
md: 600
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: CONTINUED RIH TO CSG WINDOW. BROKE CIRCULATION.
dTimEnd: 1997-08-18T07:30:00+02:00
dTimStart: 1997-08-18T06:00:00+02:00
md: 2162
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: SLIP AND CUT 36,6 M DRILLING LINE.
dTimEnd: 1997-08-18T08:30:00+02:00
dTimStart: 1997-08-18T07:30:00+02:00
md: 2162
phase: fixed
proprietaryCode: drilling -- other
state: ok
stateDetailActivity: success
comments: CONTINUED RIH TO 3924M.
dTimEnd: 1997-08-18T11:00:00+02:00
dTimStart: 1997-08-18T08:30:00+02:00
md: 3924
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: PUMPED AND ROTATED FROM 3924M TO 3933M. REAMED TIGHT SPOT AT 3933M TO 3936M. FREQUENTLY STALLED STRING AND HAD MAX 90T OVERPULL. CONTINUED REAMING TO BTM AT 3990M WITH STALLING CONDITIONS.
dTimEnd: 1997-08-18T19:30:00+02:00
dTimStart: 1997-08-18T11:00:00+02:00
md: 3990
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: TAGGED BTM AT 3990M AND SPACED OUT. SEATED BALL IN BALL SEAT WITH 18 BAR PRESSURE INCREASE. RECORDED SCR'S.
dTimEnd: 1997-08-18T20:30:00+02:00
dTimStart: 1997-08-18T19:30:00+02:00
md: 3990
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: CUTTED CORE NO 7 FROM 3990M TO 4017M. BROKE CORE WITH NO SIGNIFICANT OVERPULL.
dTimEnd: 1997-08-18T23:30:00+02:00
dTimStart: 1997-08-18T20:30:00+02:00
md: 4017
phase: fixed
proprietaryCode: formation evaluation -- core
state: ok
stateDetailActivity: success
comments: PUMPED AND ROTATED UP TO 3990M.
dTimEnd: 1997-08-19T00:00:00+02:00
dTimStart: 1997-08-18T23:30:00+02:00
md: 3990
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
Lithology and shows:
dTim: 1997-08-19T00:00:00+02:00
lithology: SANDSTONE
mdBottom: -999.99
mdTop: 3962.5
dTim: 1997-08-19T00:00:00+02:00
lithology: SANDSTONE WITH A FEW THIN BEDS OF DOLOMITE AND CLAYSTONE
mdBottom: -999.99
mdTop: 3970