Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1998-01-23T00:00:00+01:00 to 1998-01-24T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-12-05T00:00:00+01:00
daysBehind: 73.9
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1998-01-24T00:00:00+01:00
dTimDiaHoleStart: 1998-01-18T18:00:00+01:00
distDrill: -999.99
elevKelly: 25
fixedRig: false
forecast24Hr: CONTINUE WITH P&A OPERATIONS:
COMPLETE POOH. PULL WEAR BUSHING. MU CUTTING BHA & RIH TO CUT 9 5/8"
CASING. CUT CASING AT APPROXIMATELY 1485 M. POOH WITH CASING CUTTER.
hpht: 0
md: 4250
mdCsgLast: 4643
mdDiaHoleStart: 110
mdKickoff: 2911
mdPlanned: -999.99
mdPlugTop: 3146
reportNo: 50
ropCurrent: -999.99
sum24Hr: VERIFIED LOSING MUD VIA RISER SYSTEM.CONTINUED TO RIH TO 640M; TESTED
CEMENT PLUG TO 70 BAR & DISPLACED RISER TO SEAWATER. CONTINUED RIH TO
CEMENT PLUG NUMBER 3-TAGGED & WEIGHT TESTED Ø 3146M.DISPLACED OIL BASE
MUD WITH WATER BASE MUD BECAUSE OF LEAK IN RISER. BUILT WATERBASE MUD
TO ALLOW POOH. STARTED POOH WITH 5 7/8" BIT - LD 5" DRILLPIPE.
tightWell: 0
tvd: 3360
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
dTim: 1998-01-23T06:00:00+01:00
density: 1.4
locationSample: Active pit
md: 4250
mudClass: other
presBopRating: 999
pv: 22
type: ULTIDRILL
visFunnel: 54
yp: 11
dTim: 1998-01-23T00:00:00+01:00
density: 1.4
locationSample: Active pit
md: 4250
mudClass: other
presBopRating: 999
pv: 22
type: ULTIDRILL
visFunnel: 54
yp: 11
Pore pressure:
Survey stations:
Activities:
comments: COMPLETED LD 15 JTS. 2 7/8" TUBING + MULESHOE. NOTE:STARTED LOSING MUD Ø0000 HRS.STOPPED OPERATIONS FOR APPROXIMATELY 1/2 HOUR & CHECKED TRIP TANK + OTHER SURFACE EQUIPMENT/SLIP JOINT FOR LEAKS. BETWEEN 0000 - 0230 HRS. TRIP TANK DROPPED 6,4 M3 MORE THAN CALCULATED HOLE FILL FOR TUBULARS.
dTimEnd: 1998-01-23T02:30:00+01:00
dTimStart: 1998-01-23T00:00:00+01:00
md: 0
phase: fixed
proprietaryCode: plug abandon -- trip
state: ok
stateDetailActivity: success
comments: WHILE CLEANING RIG FLOOR & PREPARING TO MU BHA, VISUALLY OBSERVED ANNULUS LEVEL DROP IN RISER. CLOSED BLIND/SHEAR RAMS; RATE OF MUD LOSS DID NOT DECREASE; 1,3 M3 LOST IN 30 MINUTES.OPENED BLIND/SHEAR RAMS - MUD NEEDED TO FILL HOLE BELOW RAMS WAS NEGLIGIBLE.
dTimEnd: 1998-01-23T03:30:00+01:00
dTimStart: 1998-01-23T02:30:00+01:00
md: 0
phase: fixed
proprietaryCode: plug abandon -- other
state: fail
stateDetailActivity: circulation loss
comments: MU 5 7/8" BIT & BHA FOR TESTING OF PLUG NUMBER 3. RAN 4 STANDS 3 1/2" DRILLPIPE TO 293 M - PLACING DRILLPIPE ACROSS UPPER ANNULAR PREVENTER. RATE OF LOSS TO HOLE VIA TRIP TANK REMAINED CONSTANT - APPROXIMATELY 2 M3/HOUR.
dTimEnd: 1998-01-23T06:00:00+01:00
dTimStart: 1998-01-23T03:30:00+01:00
md: 293
phase: fixed
proprietaryCode: plug abandon -- trip
state: ok
stateDetailActivity: success
comments: WITH BIT Ø 293 M, CLOSED UPPER ANNULAR ON 3 1/2" DP. 0,6 M3 MUD LOST DOWN ANNULUS IN 20 MINUTES - VERIFIED THAT MUD LOSS WAS DUE TO LEAK IN RISER SYSTEM - ABOVE UPPER ANNULAR PREVENTER. OPENED UPPER ANNULAR.
dTimEnd: 1998-01-23T07:00:00+01:00
dTimStart: 1998-01-23T06:00:00+01:00
md: 293
phase: fixed
proprietaryCode: interruption -- maintain
state: fail
stateDetailActivity: equipment failure
comments: CONTINUED TO RIH FROM 293 - 640 M.
dTimEnd: 1998-01-23T07:30:00+01:00
dTimStart: 1998-01-23T07:00:00+01:00
md: 640
phase: fixed
proprietaryCode: plug abandon -- trip
state: ok
stateDetailActivity: success
comments: REPAIRED BURST HYDRAULIC HOSE ON UPPER RACKING ARM. NOTE: MOVED RIG 3 M Ø APPROXIMATELY 0830 HRS. & SLOWED LEAK FROM RISER TO 0,3 M3 / HOUR.
dTimEnd: 1998-01-23T08:30:00+01:00
dTimStart: 1998-01-23T07:30:00+01:00
md: 640
phase: fixed
proprietaryCode: interruption -- maintain
state: fail
stateDetailActivity: equipment failure
comments: PRESSURE TESTED CEMENT PLUG NUMBER 3 TO 70 BAR FOR 15 MINUTES BEFORE DISPLACING RISER TO SEAWATER.
dTimEnd: 1998-01-23T10:00:00+01:00
dTimStart: 1998-01-23T08:30:00+01:00
md: 640
phase: fixed
proprietaryCode: plug abandon -- cement plug
state: ok
stateDetailActivity: success
comments: DISPLACED OIL BASE MUD WITH SEAWATER - FROM 640 M TO SURFACE - IN ORDER TO PREVENT ADDITIONAL LEAKAGE OF OIL BASE MUD FROM RISER.
dTimEnd: 1998-01-23T11:00:00+01:00
dTimStart: 1998-01-23T10:00:00+01:00
md: 640
phase: fixed
proprietaryCode: plug abandon -- other
state: ok
stateDetailActivity: success
comments: CONTINUED RIH WITH 5 7/8" BIT FROM 640 - 3146 M.
dTimEnd: 1998-01-23T17:00:00+01:00
dTimStart: 1998-01-23T11:00:00+01:00
md: 3146
phase: fixed
proprietaryCode: plug abandon -- trip
state: ok
stateDetailActivity: success
comments: TAGGED TOP OF CEMENT PLUG NUMBER 3 Ø 3146 M. WEIGHT TESTED PLUG BY SLACKING-OFF 10 MT DOWN.
dTimEnd: 1998-01-23T17:30:00+01:00
dTimStart: 1998-01-23T17:00:00+01:00
md: 3146
phase: fixed
proprietaryCode: plug abandon -- cement plug
state: ok
stateDetailActivity: success
comments: DISPLACED OIL BASE MUD WITH 1,40 SG WATER BASE MUD.
dTimEnd: 1998-01-23T19:00:00+01:00
dTimStart: 1998-01-23T17:30:00+01:00
md: 3146
phase: fixed
proprietaryCode: plug abandon -- circulating conditioning
state: ok
stateDetailActivity: success
comments: NEEDED 20 M3 ADDITIONAL WATER BASE MUD TO FINISH DISPLACEMENT; BUILT 1,40 SG WATER BASE MUD.
dTimEnd: 1998-01-23T20:30:00+01:00
dTimStart: 1998-01-23T19:00:00+01:00
md: 3146
phase: fixed
proprietaryCode: plug abandon -- other
state: ok
stateDetailActivity: success
comments: COMPLETED DISPLACING HOLE TO 1,40 SG WATER BASE MUD.
dTimEnd: 1998-01-23T21:00:00+01:00
dTimStart: 1998-01-23T20:30:00+01:00
md: 3146
phase: fixed
proprietaryCode: plug abandon -- circulating conditioning
state: ok
stateDetailActivity: success
comments: CLOSED UPPER ANNULAR & TESTED CEMENT PLUG NUMBER 3 TO 120 BAR FOR 15 MINUTES. UNABLE TO CONTINUE BUILDING WATER BASE MUD WHILE PUMPING OIL BASE MUD ONBOARD SUPPLY BOAT.
dTimEnd: 1998-01-23T22:00:00+01:00
dTimStart: 1998-01-23T21:00:00+01:00
md: 3146
phase: fixed
proprietaryCode: plug abandon -- cement plug
state: ok
stateDetailActivity: success
comments: COMPLETED PUMPING TRASH OIL BASE MUD TO BOAT. CONTINUED TO BUILD 1,40 SG WATER BASE MUD FOR SLUGGING DRILLPIPE & FOR FILLING HOLE ON TRIP OUT OF HOLE.
dTimEnd: 1998-01-24T00:00:00+01:00
dTimStart: 1998-01-23T22:00:00+01:00
md: 3146
phase: fixed
proprietaryCode: plug abandon -- other
state: ok
stateDetailActivity: success
Lithology and shows: