Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1997-12-07T00:00:00+01:00 to 1997-12-08T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-12-05T00:00:00+01:00
daysBehind: 28.1
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-12-08T00:00:00+01:00
dTimDiaHoleStart: 1997-12-05T15:00:00+01:00
diaHole: 8.5
distDrill: 68
elevKelly: 25
fixedRig: false
forecast24Hr: FINISH TOH. MU CMT. STAND & STAND BACK. RU & RUN 7" LINER - LANDING
SAME USING 5" DP.
hpht: 0
md: 3220
mdCsgLast: 4643
mdDiaHoleStart: 2911
mdKickoff: 2911
mdPlanned: -999.99
presTestType: leak off test
reportNo: 3
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: COMPLETED TIH TO TD. DRILLED FROM 3152 - 3220 M. CBU & FLOWCHECKED IN
PREPARATION FOR TOH-SLIGHT FLOW. CBU - TAKING BOTTOMS UP THROUGH CHOKE
CBU AGAIN - NO GAS SEEN. FLOWCHECKED - STILL SLIGHT FLOW. BACKREAMED
OUT OF HOLE - WILL BACKREAM UNTIL INSIDE 9 5/8" CASING.
tightWell: 0
tvd: 2472
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-12-07T05:30:00+01:00
density: 1.52
locationSample: Flowline
md: 3047
mudClass: other
presBopRating: 999
pv: 40
type: ULTIDRILL
visFunnel: 75
yp: 12
dTim: 1997-12-07T21:45:00+01:00
density: 1.52
locationSample: Active pit
md: 3220
mudClass: other
presBopRating: 999
pv: 44
type: ULTIDRILL
visFunnel: 79
yp: 12
Pore pressure:
dTim: 1997-12-08T00:00:00+01:00
equivalentMudWeight: 1.03
md: 3220
readingKind: estimated
Survey stations:
azi: 160.1
dTim: 1997-12-08T00:00:00+01:00
incl: 31.6
md: 3148
tvd: 2406.8
azi: 160.9
dTim: 1997-12-08T00:00:00+01:00
incl: 31.4
md: 3177
tvd: 2431.5
azi: 159.6
dTim: 1997-12-08T00:00:00+01:00
incl: 31.1
md: 3203
tvd: 2453.7
Activities:
comments: FINISHED POOH. BREAK-OFF BIT. CHECKED MOTOR-OK;CHECKED MWD SCREEN-OK.
dTimEnd: 1997-12-07T01:00:00+01:00
dTimStart: 1997-12-07T00:00:00+01:00
md: 0
phase: fixed
proprietaryCode: interruption -- fish
state: fail
stateDetailActivity: success
comments: MU NEW 8 1/2" BUTTON BIT & FUNCTION TESTED MOTOR & MWD. SERVICED TDS WHILE CHECKING MOTOR/MWD'S SCRIBE LINE. COMPLETED MU BHA & RIH TO DRILL AHEAD.
dTimEnd: 1997-12-07T06:00:00+01:00
dTimStart: 1997-12-07T01:00:00+01:00
md: 2400
phase: fixed
proprietaryCode: interruption -- fish
state: fail
stateDetailActivity: success
comments: CONTINUED TO RIH WITH NEW 8 1/2" BIT TO 2687 M; TOOK 15MT WEIGHT.
dTimEnd: 1997-12-07T06:30:00+01:00
dTimStart: 1997-12-07T06:00:00+01:00
md: 2687
phase: fixed
proprietaryCode: interruption -- fish
state: fail
stateDetailActivity: success
comments: WASHED/REAMED FROM 2687 - 3152 M/TD.
dTimEnd: 1997-12-07T10:00:00+01:00
dTimStart: 1997-12-07T06:30:00+01:00
md: 3152
phase: fixed
proprietaryCode: interruption -- fish
state: fail
stateDetailActivity: success
comments: DRILLED 8 1/2" DIRECTIONAL HOLE FROM 3152 - 3220 M; 10 M INTO TY FORMATION. BOOSTED RISER CONSTANTLY Ø 100 SPM WHILE DRILLING. ROTATED DRILLSTRING DURING ENTIRE INTERVAL.
dTimEnd: 1997-12-07T18:00:00+01:00
dTimStart: 1997-12-07T10:00:00+01:00
md: 3220
phase: fixed
proprietaryCode: interruption -- fish
state: fail
stateDetailActivity: success
comments: CIRCULATED BOTTOMS UP IN PREPARATION FOR TOH; CONSTANTLY BOOSTING RISER - CUTTINGS STILL COMING ACROSS SHAKERS. TOOK TORQUE & WEIGHT READINGS FOR NODECO HANGER REPS.
dTimEnd: 1997-12-07T19:30:00+01:00
dTimStart: 1997-12-07T18:00:00+01:00
md: 3220
phase: fixed
proprietaryCode: drilling -- circulating conditioning
state: ok
stateDetailActivity: success
comments: FLOW-CHECKED HOLE IN PREPARATION TO POOH - 0,95 M3 MUD BACK TO TRIP TANK IN 30 MINUTES. HOLE DIDN'T STOP FLOWING.
dTimEnd: 1997-12-07T20:00:00+01:00
dTimStart: 1997-12-07T19:30:00+01:00
md: 3220
phase: fixed
proprietaryCode: interruption -- well control
state: fail
stateDetailActivity: operation failed
comments: CIRCULATED UNTIL BOTTOMS UP WAS 11,2 M3 BELOW BOPS. S/I WELL; SICP = 0 BAR AFTER 15 MINUTES. CIRCULATED BOTTOMS UP THROUGH CHOKE/CHOKE LINE Ø 400 LPM. NO GAS SEEN.
dTimEnd: 1997-12-07T21:30:00+01:00
dTimStart: 1997-12-07T20:00:00+01:00
md: 3220
phase: fixed
proprietaryCode: interruption -- well control
state: ok
stateDetailActivity: success
comments: OPENED WELL & CIRCULATED BOTTOMS UP AGAIN & BOOSTED RISER. NO GAS SEEN.
dTimEnd: 1997-12-07T23:00:00+01:00
dTimStart: 1997-12-07T21:30:00+01:00
md: 3220
phase: fixed
proprietaryCode: interruption -- well control
state: ok
stateDetailActivity: success
comments: FLOW-CHECKED; 0,50 M3 MUD BACK IN 30 MINUTES. HOLE DIDN'T STOP FLOWING. AGREED THAT HOLE MUST BE RETURNING MUD THAT WAS LOST VIA SEEPAGE.
dTimEnd: 1997-12-07T23:30:00+01:00
dTimStart: 1997-12-07T23:00:00+01:00
md: 3220
phase: fixed
proprietaryCode: interruption -- well control
state: fail
stateDetailActivity: success
comments: BACKREAMED OUT FROM 3220 - 3177 M IN PREPARATION TO RUN 7" LINER. PUMPING Ø 1650 LPM ON DRILLPIPE & 100 SPM/1400 LPM ON RISER WHILE BACKREAMING OUT AT 120 RPM.
dTimEnd: 1997-12-08T00:00:00+01:00
dTimStart: 1997-12-07T23:30:00+01:00
md: 3177
phase: fixed
proprietaryCode: drilling -- trip
state: ok
stateDetailActivity: success
Lithology and shows: