Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1998-01-25T00:00:00+01:00 to 1998-01-26T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-12-05T00:00:00+01:00
daysBehind: 75.9
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1998-01-26T00:00:00+01:00
dTimDiaHoleStart: 1998-01-18T18:00:00+01:00
distDrill: -999.99
elevKelly: 25
fixedRig: false
forecast24Hr: CONTINUE WITH P & A OPERATIONS:
COMPLETE LD CASING. RIH & SPOT CEMENT PLUG FROM 1540 - 1385 M.
POOH - LD 3 1/2" DP.
hpht: 0
md: 4250
mdCsgLast: 4643
mdDiaHoleStart: 110
mdKickoff: 2911
mdPlanned: -999.99
mdPlugTop: 3146
reportNo: 52
ropCurrent: -999.99
sum24Hr: PULLED SEAL ASSEMBLY.SPEARED 9 5/8" X 10 3/4" CASING STRING.BULLHEADED
ANNULAR VOLUME TO FORMATION. POOH-LD 10 3/4" & 9 5/8" CASING.
tightWell: 0
tvd: 3360
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
dTim: 1998-01-25T06:00:00+01:00
density: 1.4
locationSample: Active pit
md: 3140
mudClass: water based
presBopRating: 999
pv: 10
type: BENT./POLYMER
visFunnel: 63
yp: 12.5
dTim: 1998-01-25T00:00:00+01:00
density: 1.4
locationSample: Active pit
md: 3140
mudClass: water based
presBopRating: 999
pv: 10
type: BENT./POLYMER
visFunnel: 63
yp: 12.5
Pore pressure:
Survey stations:
Activities:
comments: COMPLETED CIRCULATING BOTTOMS-UP. MAXIMUM GAS READING = 4%. FLOW CHECKED, PUMPED SLUG & DISPLACED RISER BACK TO SEAWATER.
dTimEnd: 1998-01-25T01:30:00+01:00
dTimStart: 1998-01-25T00:00:00+01:00
md: 1485
phase: fixed
proprietaryCode: plug abandon -- cut
state: ok
stateDetailActivity: success
comments: POOH WITH CASING CUTTING ASSEMBLY- STOOD BACK TUBULARS FOR FUTURE USE. NOTE:LD 2 JTS. 5" HWDP TO ACCOMODATE STANDING-BACK OF CUTTING ASSEMBLY
dTimEnd: 1998-01-25T05:30:00+01:00
dTimStart: 1998-01-25T01:30:00+01:00
md: 0
phase: fixed
proprietaryCode: plug abandon -- cut
state: ok
stateDetailActivity: success
comments: RIH WITH FMC SPRING-LOADED TOOL TO RETRIEVE SEAL ASSEMBLY
dTimEnd: 1998-01-25T06:00:00+01:00
dTimStart: 1998-01-25T05:30:00+01:00
md: 30
phase: fixed
proprietaryCode: plug abandon -- cut
state: ok
stateDetailActivity: success
comments: RIH TO WELLHEAD WITH FMC SPRING-LOADED TOOL. MU INTO SEAL ASSEMBLY. CLOSED UPPER ANNULAR & PU 2,5 MT TO PULL SEAL ASSEMBLY FREE.
dTimEnd: 1998-01-25T06:30:00+01:00
dTimStart: 1998-01-25T06:00:00+01:00
md: 107
phase: fixed
proprietaryCode: plug abandon -- cut
state: ok
stateDetailActivity: success
comments: GAS MIGRATED UP RISER - PAST THE CLOSED ANNULAR. SWEPT GAS FROM BOPS USING SEAWATER. CLOSED LOWER ANNULAR & OPENED UPPER ANNULAR; ALLOWED GAS TO MIGRATE UP RISER. OPENED LOWER ANNULAR & ALLOWED GAS TO MIGRATE
dTimEnd: 1998-01-25T07:30:00+01:00
dTimStart: 1998-01-25T06:30:00+01:00
md: 107
phase: fixed
proprietaryCode: plug abandon -- cut
state: ok
stateDetailActivity: success
comments: POOH - DIDN'T RECOVER SEAL ASSEMBLY.
dTimEnd: 1998-01-25T08:00:00+01:00
dTimStart: 1998-01-25T07:30:00+01:00
md: 0
phase: fixed
proprietaryCode: plug abandon -- cut
state: fail
stateDetailActivity: operation failed
comments: RIH AGAIN WITH SPRING-LOADED TOOL. MU INTO SEAL ASSEMBLY & PU 4 MT TO PULL SEAL ASSEMBLY FREE. ADDITIONAL GAS MIGRATED UP RISER.SHUT-IN WELL & BLED GAS OFF. SWEPT GAS FROM BOPS USING SEAWATER. OPENED WELL & POOH WITH SEAL ASSEMBLY. LD SEAL ASSEMBLY; STAND BACK TOOL.
dTimEnd: 1998-01-25T10:00:00+01:00
dTimStart: 1998-01-25T08:00:00+01:00
md: 107
phase: fixed
proprietaryCode: plug abandon -- cut
state: ok
stateDetailActivity: success
comments: MU 9 5/8" CASING SPEAR WITH PACK-OFF. RIH - PU 14 JTS. 5" 25,6# U170 DRILLPIPE. ENGAGED 9 5/8" CASING WITH SPEAR Ø 182 M - 1 M BELOW 10 3/4" X 9 5/8" X/OVER. NOTE: 9 5/8" CASING CUT Ø DEPTH OF 1485 M.
dTimEnd: 1998-01-25T13:30:00+01:00
dTimStart: 1998-01-25T10:00:00+01:00
md: 182
phase: fixed
proprietaryCode: plug abandon -- cut
state: ok
stateDetailActivity: success
comments: PULLED 9 5/8" X 10 3/4" STRING FREE WITH NO ADDITIONAL OVERPULL. HAD TO MANUEVER STRING TO PULL CASING THROUGH THE ANNULARS. PU CASING HANGER 20 M ABOVE WELLHEAD. NOTE: CASING CUT NOW Ø 1465 M; SPEAR Ø 162 M.
dTimEnd: 1998-01-25T14:30:00+01:00
dTimStart: 1998-01-25T13:30:00+01:00
md: 162
phase: fixed
proprietaryCode: plug abandon -- cut
state: ok
stateDetailActivity: success
comments: CLOSED UPPER ANNULAR & ESTABLISHED INJECTION INTO FORMATION.BULLHEADED DOWN 10 3/4"-9 5/8" X 13 3/8" ANNULUS VIA UPPER CHOKE LINE Ø 935 LPM: 31,3 M3 "TRASH" OIL BASE MUD & 50 M3 1,40 SG WATER BASE MUD. PRESSURE DECREASED FROM 103 BAR TO 55 BAR WHEN WATER BASE MUD REACHED 13 3/8" SHOE/FORMATION.
dTimEnd: 1998-01-25T16:30:00+01:00
dTimStart: 1998-01-25T14:30:00+01:00
md: 162
phase: fixed
proprietaryCode: plug abandon -- cut
state: ok
stateDetailActivity: success
comments: MONITORED SHUT-IN PRESSURE - 45 BAR. BLED-OFF PRESSURE, IN STAGES, TO 0 BAR; BLED BACK A TOTAL OF 3 M3.
dTimEnd: 1998-01-25T18:00:00+01:00
dTimStart: 1998-01-25T16:30:00+01:00
md: 162
phase: fixed
proprietaryCode: plug abandon -- cut
state: ok
stateDetailActivity: success
comments: OPENED UPPER ANNULAR & STARTED CIRCULATING BOTTOMS-UP; SPEAR Ø 162 M & CASING CUT Ø 1465 M. STOPPED CIRCULATING WATER BASE MUD Ø 1920 HRS. BECAUSE LOST 3,5 M3 MUD FROM LEAK IN SLIP JOINT. NOTE: MUD WEIGHT IN = 1,38 SG; MUD WEIGHT OUT = 1,33 SG.
dTimEnd: 1998-01-25T19:30:00+01:00
dTimStart: 1998-01-25T18:00:00+01:00
md: 1465
phase: fixed
proprietaryCode: plug abandon -- cut
state: ok
stateDetailActivity: success
comments: SLIP JOINT LEAK CAUSED LOSS OF PUMP SUCTION - TRANFERRED MUD TO A.PIT TO ALLOW REGAINING OF PUMP SUCTION. NOTE: RIG DOWNTIME.
dTimEnd: 1998-01-25T20:30:00+01:00
dTimStart: 1998-01-25T19:30:00+01:00
md: 1465
phase: fixed
proprietaryCode: interruption -- maintain
state: fail
stateDetailActivity: operation failed
comments: UNABLE TO WEIGHT-UP MUD TO 1,40 SG BECAUSE COULDN'T OBTAIN BARITE INTO PUMP ROOM'S SURGE CAN. NOTE: RIG DOWNTIME.
dTimEnd: 1998-01-25T21:30:00+01:00
dTimStart: 1998-01-25T20:30:00+01:00
md: 1465
phase: fixed
proprietaryCode: interruption -- maintain
state: fail
stateDetailActivity: equipment failure
comments: INVESTIGATE BARITE SITUATION - CHECK BARITE TANKS .
dTimEnd: 1998-01-25T22:00:00+01:00
dTimStart: 1998-01-25T21:30:00+01:00
md: 1465
phase: fixed
proprietaryCode: interruption -- maintain
state: fail
stateDetailActivity: operation failed
comments: DISPLACED WATER BASE MUD IN RISER WITH SEAWATER - DUE TO LEAKING RISER. CLOSED UPPER ANNULAR & MONITORED HOLE VIA CHOKE LINE - LEAK IN RISER DOESN'T ALLOW "CORRECT" MONITORING OF HOLE. HOLE STATIC; OPENED UPPER ANNULAR. NOTE: RIG DOWNTIME.
dTimEnd: 1998-01-25T23:00:00+01:00
dTimStart: 1998-01-25T22:00:00+01:00
md: 1465
phase: fixed
proprietaryCode: interruption -- maintain
state: fail
stateDetailActivity: operation failed
comments: POOH WITH SPEAR + CASING STRING; SPEAR PULLED FROM 162 - 124 M - CASING PULLED FROM 1465 - 1427 M.
dTimEnd: 1998-01-25T23:30:00+01:00
dTimStart: 1998-01-25T23:00:00+01:00
md: 1427
phase: fixed
proprietaryCode: plug abandon -- cut
state: ok
stateDetailActivity: success
comments: AIR HOSE TO PNEUMATIC DRILLPIPE ELEVATORS BURST. REMOVED AIR HOSE & RU MANUAL DRILLPIPE ELEVATORS.
dTimEnd: 1998-01-26T00:00:00+01:00
dTimStart: 1998-01-25T23:30:00+01:00
md: 1427
phase: fixed
proprietaryCode: interruption -- maintain
state: fail
stateDetailActivity: equipment failure
Lithology and shows: