Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1997-11-17T00:00:00+01:00 to 1997-11-18T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-11-10T00:00:00+01:00
daysBehind: 8.1
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-11-18T00:00:00+01:00
dTimDiaHoleStart: 1997-11-09T22:00:00+01:00
diaHole: 8.5
distDrill: 15
elevKelly: 25
fixedRig: false
forecast24Hr: CONTINUE WITH DRILLING BHA. RIH W/3 1/2" DP AS CMT STINGER. SET
CMT PLUG UP TO 2929M AND SQUEEZE. POOH. RIH WITH DRILLING BHA.
hpht: 0
md: 3054
mdCsgLast: 4643
mdDiaHoleStart: 2231
mdKickoff: 2911
mdPlanned: -999.99
presTestType: leak off test
reportNo: 9
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: CONTINUED REPAIR ON UPPER RACKING ARM. RIH AND DRILLED CMT FROM 2983M
TO 3039M AND NEW HOLE TO 3054M. LOST 42 M3 MUD DURING DRILLING.
CIRCULATED BTM UP. POOH TO 3001M. GOT 18 M3 FLOW BACK FROM FORMATION.
RIH TO 3045M AND CIRCULATED BTM UP. POOH.
tightWell: 0
tvd: 2328.4
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-11-17T06:00:00+01:00
density: 1.57
locationSample: Active pit
md: 3039
mudClass: other
presBopRating: 999
pv: 38
type: ULTIDRILL
visFunnel: 109
yp: 16.5
dTim: 1997-11-17T00:00:00+01:00
density: 1.57
locationSample: Active pit
md: 3039
mudClass: other
presBopRating: 999
pv: 38
type: ULTIDRILL
visFunnel: 109
yp: 16.5
Pore pressure:
dTim: 1997-11-18T00:00:00+01:00
equivalentMudWeight: 1.03
md: 3054
readingKind: estimated
Survey stations:
Activities:
comments: CONTINUED RIG REPAIR: NDT INSPECTION WAS CARRIED OUT ON VITAL PARTS ON RACKING HEAD. INSTALLED RACKING HEAD AND TESTED FINGER. FINGER HAD INCOMPLETE TRAVEL. CHANGED FINGER ACTUATOR. WELDED BAR WITH RUBBER BUMPER FOR UPPER RACKING ARM. CUT DOWN HINGED WORK PLATFORM FOR URA DUE TO CRACK DAMAGE. OBSERVED WELL ON TRIP TANK.
dTimEnd: 1997-11-17T06:00:00+01:00
dTimStart: 1997-11-17T00:00:00+01:00
md: 1905
phase: fixed
proprietaryCode: interruption -- maintain
state: fail
stateDetailActivity: equipment failure
comments: CONTINUED RIG REPAIR ON UPPER RACKING ARM. RE-ADJUSTED URA FINGER TRAVEL. INSTALLED SAFETY WIRES FOR HEAD AND HEAD PROTECTION. CLEARED DERRICK FOR TOOLS AND PERFORMED FINAL INSPECTION. TESTED UPPER RACKING ARM.
dTimEnd: 1997-11-17T10:30:00+01:00
dTimStart: 1997-11-17T06:00:00+01:00
md: 1905
phase: fixed
proprietaryCode: interruption -- maintain
state: fail
stateDetailActivity: equipment failure
comments: PERFORMED SAFE JOB ANALYSIS WITH ALL INVOLVED PERSONNEL. TOPIC; HANDLING PIPE WITHOUT STANDLIFT.
dTimEnd: 1997-11-17T11:00:00+01:00
dTimStart: 1997-11-17T10:30:00+01:00
md: 1905
phase: fixed
proprietaryCode: interruption -- maintain
state: fail
stateDetailActivity: equipment failure
comments: RIH TO 2580M.
dTimEnd: 1997-11-17T12:30:00+01:00
dTimStart: 1997-11-17T11:00:00+01:00
md: 2580
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: REPAIRED OPERATING CYLINDER ON 5" DP ELEVATOR. FILLED STRING.
dTimEnd: 1997-11-17T13:00:00+01:00
dTimStart: 1997-11-17T12:30:00+01:00
md: 2580
phase: fixed
proprietaryCode: interruption -- maintain
state: fail
stateDetailActivity: equipment failure
comments: CONTINUED RIH TO 2700M.
dTimEnd: 1997-11-17T13:30:00+01:00
dTimStart: 1997-11-17T13:00:00+01:00
md: 2700
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: WASHED AND ROTATED FROM 2700M TO 2785M. REAMED AND DRILLED FROM 2785 TO 2880M.
dTimEnd: 1997-11-17T16:00:00+01:00
dTimStart: 1997-11-17T13:30:00+01:00
md: 2880
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: DRILLED INCONSISTENT CMT FROM 2880M TO 2983M. CONTINUED DRILLING FIRM CMT FROM 2983M TO 2995M.
dTimEnd: 1997-11-17T17:30:00+01:00
dTimStart: 1997-11-17T16:00:00+01:00
md: 2995
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: CIRCULATED HOLE CLEAN DUE TO 20T DRAG INCREASE. REGAINED NORMAL STRING WEIGHT.
dTimEnd: 1997-11-17T18:30:00+01:00
dTimStart: 1997-11-17T17:30:00+01:00
md: 2995
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: DRILLED CMT AT CONTROLLED RATE FROM 2995M TO 3039M. STARTED TO LOOSE FROM 3035M. ATTEMPTED TO ESTABLISH PUMP RATE TO MINIMIZE MUD LOSS, AT 2100 L/MIN: LOST 29 M3/HR. 1500 L/MIN: LOST 16 M3/HR.
dTimEnd: 1997-11-17T21:00:00+01:00
dTimStart: 1997-11-17T18:30:00+01:00
md: 3039
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: DRILLED FROM 3035M TO 3054M. VARIED PUMP RATES FROM 2250 -1800 L/M LOSSES 42 - 40 M3/HR.
dTimEnd: 1997-11-17T22:00:00+01:00
dTimStart: 1997-11-17T21:00:00+01:00
md: 3054
phase: fixed
proprietaryCode: drilling -- drill
state: ok
stateDetailActivity: circulation loss
comments: CIRCULATED AND ATTEMPTED TO ESTABLISH 100% RETURNS, NO SUCCESS PUMP RATE 1500 L/M; LOSS RATE 12 M3/HR AND DECLINED TO 5 M3/HR. TOTAL LOSS 45,3 M3 MUD TO FORMATION.
dTimEnd: 1997-11-17T23:00:00+01:00
dTimStart: 1997-11-17T22:00:00+01:00
md: 3054
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: POOH WET TO 2940M. GOT TOTAL FLOWBACK OF 18,2 M3 FROM FORMATION. RIH TO 3050M.
dTimEnd: 1997-11-18T00:00:00+01:00
dTimStart: 1997-11-17T23:00:00+01:00
md: 3050
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
Lithology and shows:
dTim: 1997-11-18T00:00:00+01:00
lithology: CLAYSTONE WITH TUFFACEOUS BEDS AND MINOR LIMESTONE
mdBottom: -999.99
mdTop: 3035