Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1997-12-20T00:00:00+01:00 to 1997-12-21T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-12-05T00:00:00+01:00
daysBehind: 39.9
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-12-21T00:00:00+01:00
dTimDiaHoleStart: 1997-12-18T21:00:00+01:00
diaHole: 6
distDrill: 45
elevKelly: 25
fixedRig: false
forecast24Hr: COMPLETE BHA CHANGE, RIH AND DRILL 6" HOLE.
hpht: 0
md: 3405
mdCsgLast: 4643
mdDiaHoleStart: 2911
mdKickoff: 2911
mdPlanned: -999.99
reportNo: 16
ropCurrent: -999.99
sum24Hr: COMPLETED RIH WITH TRICONE BIT, ORIENT DRILLED IN ORDER TO TURN RIGHT
AND INCREASE INCLINATION. TIGHT HOLE IN CRETACEOUS FORMATION.
BACKREAMED TO 3365M. POOH IN ORDER TO CHANGE BIT AND MWD.
tightWell: 0
tvd: 2627.4
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-12-20T06:00:00+01:00
density: 1.4
locationSample: Active pit
md: 3360
mudClass: other
presBopRating: 999
pv: 29
type: ULTIDRILL
visFunnel: 67
yp: 12
dTim: 1997-12-20T00:00:00+01:00
density: 1.4
locationSample: Active pit
md: 3360
mudClass: other
presBopRating: 999
pv: 29
type: ULTIDRILL
visFunnel: 67
yp: 12
Pore pressure:
dTim: 1997-12-21T00:00:00+01:00
equivalentMudWeight: 1.03
md: 3405
readingKind: estimated
Survey stations:
azi: 151.9
dTim: 1997-12-21T00:00:00+01:00
incl: 29.3
md: 3352
tvd: 2581.2
azi: 149.5
dTim: 1997-12-21T00:00:00+01:00
incl: 29.3
md: 3381
tvd: 2606.5
Activities:
comments: CHECKED SCRIBE LINE. CLEANED MPR ON MWD ASSEMBLY. RESET PROBE IN ACCORDANCE TO SCRIBE LINE. LOADED MWD MEMORY.
dTimEnd: 1997-12-20T02:00:00+01:00
dTimStart: 1997-12-20T00:00:00+01:00
md: 0
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: RIH TO 754M, BROKE CIRC AND TESTED MWD PULSES, OK. CONTINUED RIH WITH 3 1/2" DP.
dTimEnd: 1997-12-20T06:00:00+01:00
dTimStart: 1997-12-20T02:00:00+01:00
md: 1900
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: CONTINUED RIH WITH 6" DRILLING BHA TO 7" LINER SHOE.
dTimEnd: 1997-12-20T10:00:00+01:00
dTimStart: 1997-12-20T06:00:00+01:00
md: 3197
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: S/C DRILL LINE.
dTimEnd: 1997-12-20T11:00:00+01:00
dTimStart: 1997-12-20T10:00:00+01:00
md: 3198
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: CONTINUED RIH. PRECAUTIONARY WASH FROM 3227M TO 3360M.
dTimEnd: 1997-12-20T13:00:00+01:00
dTimStart: 1997-12-20T11:00:00+01:00
md: 3360
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: DRILLED IN ORIENTED MODE FROM 3360 - 3403M. ROTATED FROM 3403 - 3405M ATTEMPTED TO ORIENT DRILLING FROM 3405M, NO SUCCES DUE TO WEIGHT STACK UP IN STRING. NO DIFFERIENTAL PRESSURE ON BIT.
dTimEnd: 1997-12-20T20:30:00+01:00
dTimStart: 1997-12-20T13:00:00+01:00
md: 3405
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: success
comments: OBTAINED 92 TON OVER PULL 3 TIMES WHEN ATTEMPTING TO PULL OFF BOTTOM AFTER ORIENTING. ESTABLISHED ROTATION AT NEUTRAL POINT. BACKREAMED AND REAMED F/3405 TO 3396M WITH MAX 2000 NM EXCESSIVE TORQUE.
dTimEnd: 1997-12-20T21:30:00+01:00
dTimStart: 1997-12-20T20:30:00+01:00
md: 3400
phase: fixed
proprietaryCode: drilling -- ream
state: ok
stateDetailActivity: success
comments: TOOK SURVEY AT 3398M. HAD 61 T OVER PULL AFTER SURVEY. BACKREAMED FROM 3398 TO 3365M.
dTimEnd: 1997-12-20T22:00:00+01:00
dTimStart: 1997-12-20T21:30:00+01:00
md: 3365
phase: fixed
proprietaryCode: drilling -- ream
state: ok
stateDetailActivity: success
comments: PULLED WITH WET PIPE FROM 3365M TO INSIDE LINER SHOE AT 3140M. HOLE IN GOOD CONDITION. TRICONE BIT REVOLUTIONS 180K, ON BTM 74K.
dTimEnd: 1997-12-20T23:30:00+01:00
dTimStart: 1997-12-20T22:00:00+01:00
md: 3140
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
comments: PUMPED 10 MIN, FLOW CHECKED, WELL STATIC. PUMPED SLUG.
dTimEnd: 1997-12-21T00:00:00+01:00
dTimStart: 1997-12-20T23:30:00+01:00
md: 3140
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
Lithology and shows:
dTim: 1997-12-21T00:00:00+01:00
lithology: SANDSTONE AND LIMESTONE IN LOWER PART
mdBottom: -999.99
mdTop: 3360