Daily Drilling Report
Well: NO 15/9-19 A
Report period: 1997-08-16T00:00:00+02:00 to 1997-08-17T00:00:00+02:00
Wellbore info:
dTimSpud: 1997-07-25T00:00:00+02:00
dateDrillComplete: 1997-08-30
daysBehind: 23
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-08-17T00:00:00+02:00
dTimDiaHoleStart: 1997-07-25T00:30:00+02:00
diaHole: 8.5
distDrill: 27
elevKelly: 25
fixedRig: false
forecast24Hr: RIH TO CORE 20M INTO SKAGERAK FORMATION. POOH AND RETRIEVE SAME.
hpht: 0
md: 3962.5
mdCsgLast: 4643
mdDiaHoleStart: 2202
mdKickoff: 2178
mdPlanned: -999.99
mdStrengthForm: 2178
presTestType: leak off test
reportNo: 24
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: RECOVERED CORE NO 4. RIH AND CUTTED CORE NO 5. CIRCULATED BTM UP.
POOH. STARTED TO RETRIEVE CORE NO 5.
tightWell: 0
tvd: 3159.5
tvdStrengthForm: 1627
waterDepth: 84
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-08-16T14:00:00+02:00
density: 1.55
locationSample: Flowline
md: 3936
mudClass: other
presBopRating: 999
pv: 40
type: ULTIDRILL
visFunnel: 74
yp: 10
dTim: 1997-08-16T23:00:00+02:00
density: 1.55
locationSample: Flowline
md: 3962
mudClass: other
presBopRating: 999
pv: 36
type: ULTIDRILL
visFunnel: 74
yp: 13.5
Pore pressure:
dTim: 1997-08-17T00:00:00+02:00
equivalentMudWeight: 1.22
md: 3600
readingKind: estimated
dTim: 1997-08-17T00:00:00+02:00
equivalentMudWeight: 1.12
md: 3962.5
readingKind: estimated
Survey stations:
Activities:
comments: CIRCULATED BTM UP TO CLEAN WELL FOR CORING GAS. MAX GAS 0,7 %
dTimEnd: 1997-08-16T02:00:00+02:00
dTimStart: 1997-08-16T00:00:00+02:00
md: 3820
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: FLOW CHECKED, OK. PUMP SLUG AND POOH. FLOW CHECKED INSIDE CSG WINDOW, OK. CURRENT DEPTH AT REPORT TIME 1195M.
dTimEnd: 1997-08-16T06:00:00+02:00
dTimStart: 1997-08-16T02:00:00+02:00
md: 1195
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: CONTINUED TO POOH. FLOW CHECKED BEFORE PULLING BHA INTO BOP, OK.
dTimEnd: 1997-08-16T09:00:00+02:00
dTimStart: 1997-08-16T06:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: RETRIEVED CORE NO 4. 96,3 % RECOVERY. NO H2S GAS PRESENT IN COREBARREL
dTimEnd: 1997-08-16T10:30:00+02:00
dTimStart: 1997-08-16T09:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: MADE UP NEW COREHEAD AND INNERBARREL. SERVICED COREBARREL.
dTimEnd: 1997-08-16T11:00:00+02:00
dTimStart: 1997-08-16T10:30:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: RIH WITH COREBARREL TO 3847M. BROKE CIRCULATION EACH 1000M.
dTimEnd: 1997-08-16T17:00:00+02:00
dTimStart: 1997-08-16T11:00:00+02:00
md: 3847
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: WASHED AND ROTATED FROM 3847M TO 3935,5M.
dTimEnd: 1997-08-16T17:30:00+02:00
dTimStart: 1997-08-16T17:00:00+02:00
md: 3935
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: TAGGED BTM AND SPACED OUT. SEATED BALL IN BALL SEAT WITH 26 BAR PRESSURE INCREASED. RECORDED SCR'S.
dTimEnd: 1997-08-16T18:30:00+02:00
dTimStart: 1997-08-16T17:30:00+02:00
md: 3935
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: CUT CORE NO 5 FROM 3935,5M TO 3962,5M. BROKE CORE WITH 11 TON OVER PULL.
dTimEnd: 1997-08-16T20:30:00+02:00
dTimStart: 1997-08-16T18:30:00+02:00
md: 3962
phase: fixed
proprietaryCode: formation evaluation -- core
state: ok
stateDetailActivity: success
comments: PUMPED AND ROTATED UP TO 3820M.
dTimEnd: 1997-08-16T22:00:00+02:00
dTimStart: 1997-08-16T20:30:00+02:00
md: 3820
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: CIRCULATED BTM UP TO CLEAN WELL FROM CORING GAS. MAX GAS 2,1 % DECLINED TO 0,8 %.
dTimEnd: 1997-08-16T23:30:00+02:00
dTimStart: 1997-08-16T22:00:00+02:00
md: 2820
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: FLOW CHECKED, OK. PUMPED SLUG AND POOH TO 3600M AT 2400 HRS.
dTimEnd: 1997-08-17T00:00:00+02:00
dTimStart: 1997-08-16T23:30:00+02:00
md: 3600
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
Lithology and shows:
dTim: 1997-08-17T00:00:00+02:00
lithology: SANDSTONE WITH BEDS OF SILTSTONE AND LAYERS OF COAL
mdBottom: -999.99
mdTop: 3908.5