Daily Drilling Report
Well: NO 15/9-19 A
Report period: 1997-08-17T00:00:00+02:00 to 1997-08-18T00:00:00+02:00
Wellbore info:
dTimSpud: 1997-07-25T00:00:00+02:00
dateDrillComplete: 1997-08-30
daysBehind: 24
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-08-18T00:00:00+02:00
dTimDiaHoleStart: 1997-07-25T00:30:00+02:00
diaHole: 8.5
distDrill: 27.5
elevKelly: 25
fixedRig: false
forecast24Hr: RIH AND CUT CORE NO 7. POOH AND RECOVER CORE. EVALUATE CORE. CHANGE
LEAKING IBOP ON TDS.
hpht: 0
md: 3990
mdCsgLast: 4643
mdDiaHoleStart: 2202
mdKickoff: 2178
mdPlanned: -999.99
mdStrengthForm: 2178
presTestType: leak off test
reportNo: 25
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: RECOVERED CORE NO 5, 102 % RECOVERY. RIH AND CUT CORE NO 6. POOH AND
RECOVERED CORE.100,5 % RECOVERY. CHANGED BIT AND RIH TO CUT CORE NO 7.
tightWell: 0
tvd: 3182.8
tvdStrengthForm: 1627
waterDepth: 84
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-08-17T15:30:00+02:00
density: 1.55
locationSample: Flowline
md: 3968
mudClass: other
presBopRating: 999
pv: 42
type: ULTIDRILL
visFunnel: 67
yp: 9
dTim: 1997-08-17T21:00:00+02:00
density: 1.55
locationSample: Flowline
md: 3990
mudClass: other
presBopRating: 999
pv: 40
type: ULTIDRILL
visFunnel: 68
yp: 15
Pore pressure:
dTim: 1997-08-18T00:00:00+02:00
equivalentMudWeight: 1.22
md: 3600
readingKind: estimated
dTim: 1997-08-18T00:00:00+02:00
equivalentMudWeight: 1.11
md: 3990
readingKind: estimated
Survey stations:
Activities:
comments: CONTINUED POOH. FLOW CHECKED AT CSG WINDOW AND BEFORE BHA ENTERED BOP. CHECKED COREBARREL FOR H2S GAS, NO GAS PRESENT.
dTimEnd: 1997-08-17T06:00:00+02:00
dTimStart: 1997-08-17T00:00:00+02:00
md: 25
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: RECOVERED CORE NO 5. 102 % RECOVERY. NO H2S GAS DETECTED FROM COREBARREL.
dTimEnd: 1997-08-17T07:00:00+02:00
dTimStart: 1997-08-17T06:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: MADE UP COREHEAD AND INNERBARREL, SERVICED COREBARREL.
dTimEnd: 1997-08-17T08:30:00+02:00
dTimStart: 1997-08-17T07:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: RIH WITH COREBARREL TO 3905M. BROKE CIRCULATION EACH 1000M.
dTimEnd: 1997-08-17T13:30:00+02:00
dTimStart: 1997-08-17T08:30:00+02:00
md: 3905
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: WASHED AND ROTATED FROM 3905M TO 3962M.
dTimEnd: 1997-08-17T14:30:00+02:00
dTimStart: 1997-08-17T13:30:00+02:00
md: 3962
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: TAGGED BTM AT 3962,5M AND SPACED OUT. SEATED BALL IN BALL SEAT WITH 29 BAR PRESSURE INCREASE. RECORDED SCR'S
dTimEnd: 1997-08-17T15:00:00+02:00
dTimStart: 1997-08-17T14:30:00+02:00
md: 3962.5
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: CUTTED CORE NO 6 FROM 3962,5M TO 3990M. BROKE CORE WITH 10 T OVER PULL.
dTimEnd: 1997-08-17T17:30:00+02:00
dTimStart: 1997-08-17T15:00:00+02:00
md: 3990
phase: fixed
proprietaryCode: formation evaluation -- core
state: ok
stateDetailActivity: success
comments: PUMPED AND ROTATED UP TO 3820M.
dTimEnd: 1997-08-17T18:30:00+02:00
dTimStart: 1997-08-17T17:30:00+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 1,7 % DECLINED TO 0,8 %.
dTimEnd: 1997-08-17T20:30:00+02:00
dTimStart: 1997-08-17T18:30:00+02:00
md: 3820
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: FLOW CHECKED , OK. PUMPED SLUG AND POOH TO 1400M AT 2400 HRS. HAD FLICKERS ON WEIGHT INDICATOR AT 2725 AND 2472M, MAX 22 T OVER PULL FLOW CHECKED IN CSG WINDOW, OK.
dTimEnd: 1997-08-18T00:00:00+02:00
dTimStart: 1997-08-17T20:30:00+02:00
md: 1400
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
Lithology and shows:
dTim: 1997-08-18T00:00:00+02:00
lithology: SANDSTONE WITH LAYERS OF COAL AND IN UPPER PART ALSO SOME BEDS OF SILT STONE AND CLAYSTONE
mdBottom: -999.99
mdTop: 3935.5