Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1997-12-11T00:00:00+01:00 to 1997-12-12T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-12-05T00:00:00+01:00
daysBehind: 32.1
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-12-12T00:00:00+01:00
dTimDiaHoleStart: 1997-12-05T15:00:00+01:00
diaHole: 8.5
distDrill: -999.99
elevKelly: 25
fixedRig: false
forecast24Hr: TIH WITH NEW BHA & WIPE HOLE CLEAN - IN ORDER TO RUN 7" LINER.
hpht: 0
md: 3220
mdCsgLast: 4643
mdDiaHoleStart: 2911
mdKickoff: 2911
mdPlanned: -999.99
presTestType: leak off test
reportNo: 7
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: COMPLETED TIH - W/R TO TD Ø 3220 M. CIRCULATED UNTIL SHAKERS CLEANED -
UP. ATTEMPTED TO POOH WITHOUT PUMPING OR BACKREAMING-UNABLE BECAUSE OF
TIGHT HOLE & SWABBING. ABLE TO PULL PIPE ABOVE 2711 M. POOH TO CHANGE
BIT & BHA.
tightWell: 0
tvd: 2472
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
Pore pressure:
dTim: 1997-12-12T00:00:00+01:00
equivalentMudWeight: 1.03
md: 3220
readingKind: estimated
Survey stations:
Activities:
comments: S/C DRILLINE.
dTimEnd: 1997-12-11T01:00:00+01:00
dTimStart: 1997-12-11T00:00:00+01:00
md: 2159
phase: fixed
proprietaryCode: drilling -- casing
state: ok
stateDetailActivity: success
comments: CONTINUED TO RIH FROM 2159 - 2746M. WORKED PAST 2682M - WHERE 15 MT DRAG OCCURRED.
dTimEnd: 1997-12-11T02:30:00+01:00
dTimStart: 1997-12-11T01:00:00+01:00
md: 2746
phase: fixed
proprietaryCode: drilling -- casing
state: fail
stateDetailActivity: success
comments: CONTINUED TO TIH FROM 2746 - 2894M - WASHING & REAMING WHEN NEEDED TO PASS SEVERAL SPOTS. PROBLEMS Ø: 2746M, 2768M, 2782M, 2783 - 2793M, 2846M, 2880M, 2882M - 2894M.
dTimEnd: 1997-12-11T04:30:00+01:00
dTimStart: 1997-12-11T02:30:00+01:00
md: 2894
phase: fixed
proprietaryCode: drilling -- casing
state: fail
stateDetailActivity: success
comments: WHILE WASHING Ø 2894M, STARTED LOSING MUD AT SHAKERS BECAUSE OF LARGE AMOUNT OF CUTTINGS AT SURFACE. PU & REDUCE FLOW-RATE UNTIL SHAKERS CLEANED-UP. NOTE: CUTTINGS BACK FROM APPROX. 2800-2850M; SHAKERS WERE BLINDED-OVER BY FINE SOLIDS.
dTimEnd: 1997-12-11T05:00:00+01:00
dTimStart: 1997-12-11T04:30:00+01:00
md: 2894
phase: fixed
proprietaryCode: drilling -- casing
state: fail
stateDetailActivity: success
comments: CONTINUED TO RIH - WORKING PAST TIGHT SPOTS Ø 2900M, 2914M, & 2921M.
dTimEnd: 1997-12-11T06:00:00+01:00
dTimStart: 1997-12-11T05:00:00+01:00
md: 2943
phase: fixed
proprietaryCode: drilling -- casing
state: fail
stateDetailActivity: success
comments: CONTINUED TO TIH - WASHED/REAMED FROM 2943 - 3220 M.
dTimEnd: 1997-12-11T08:30:00+01:00
dTimStart: 1997-12-11T06:00:00+01:00
md: 3220
phase: fixed
proprietaryCode: drilling -- casing
state: fail
stateDetailActivity: success
comments: CIRCULATED - 1800 LPM Ø 200 BAR - UNTIL SHAKERS CLEANED-UP. BOOSTED RISER Ø 1500 LPM WHILE CIRCULATING DOWN DRILLSTRING. TOTAL MUD LOST = 16 M3 BUT EXCESSIVE AMOUNT OF CUTTINGS WERE CIRCULATED OUT DURING THE TIME PERIOD. FLOW-CHECKED; 0,72 M3 WERE GAINED BUT HOLE DID BECOME STATIC.
dTimEnd: 1997-12-11T18:00:00+01:00
dTimStart: 1997-12-11T08:30:00+01:00
md: 3220
phase: fixed
proprietaryCode: drilling -- casing
state: fail
stateDetailActivity: success
comments: POOH TO 3076 M. 25 MT DRAG Ø 3090 M BUT ABLE TO WIPE THROUGH ON 2ND ATTEMPT; 30 MT DRAG Ø 3076M - UNABLE TO WIPE THROUGH AFTER 3 ATTEMPTS.
dTimEnd: 1997-12-11T19:00:00+01:00
dTimStart: 1997-12-11T18:00:00+01:00
md: 3076
phase: fixed
proprietaryCode: drilling -- casing
state: fail
stateDetailActivity: success
comments: HAD TO UTILIZE PUMP & TOP-DRIVE TO PUMP-OUT & BACKREAM-OUT FROM 3082 - 2827 M. HOLE STARTED SWABBING Ø 3028 M. LOST APPROX. 6,8 M3 MUD WHILE PUMPING-OUT & BACK-REAMING OUT,
dTimEnd: 1997-12-11T21:30:00+01:00
dTimStart: 1997-12-11T19:00:00+01:00
md: 2827
phase: fixed
proprietaryCode: drilling -- casing
state: fail
stateDetailActivity: operation failed
comments: CIRCULATED BOTTOMS-UP & BOOSTED RISER IN ATTEMPT TO CLEAN HOLE/REDUCE MUD LOSSES WHILE BACKREAMING-OUT. EXCESSIVE AMOUNT OF CUTTINGS STILL COMING ACROSS SHAKERS AFTER 1 BTMS-UP. LOST 2,2 M3 MUD WHILE CIRC. - FINAL FLOW RATE PRIOR TO STOPPING CIRC. WAS 1600 LPM Ø 155 BAR.
dTimEnd: 1997-12-11T22:30:00+01:00
dTimStart: 1997-12-11T21:30:00+01:00
md: 2827
phase: fixed
proprietaryCode: drilling -- casing
state: fail
stateDetailActivity: operation failed
comments: CONTINUED TO PUMP & B/R OUT FROM 2827 - 2711 M; HOLE SWABBING UNLESS PUMP UTILIZED. LOSING MUD WHEN PUMPING & B/R OUT; LOST 4,4 M3 MUD. NOTE: HOLE GIVING MUD BACK WHEN PUMP SHUT-DOWN.
dTimEnd: 1997-12-11T23:30:00+01:00
dTimStart: 1997-12-11T22:30:00+01:00
md: 2711
phase: fixed
proprietaryCode: drilling -- casing
state: fail
stateDetailActivity: operation failed
comments: POOH FROM 2711 - 2625 M; HOLE TAKING CORRECT FILL-UP WHEN PULLING STRING.
dTimEnd: 1997-12-12T00:00:00+01:00
dTimStart: 1997-12-11T23:30:00+01:00
md: 2625
phase: fixed
proprietaryCode: drilling -- casing
state: fail
stateDetailActivity: operation failed
Lithology and shows: