Daily Drilling Report
Well: NO 15/9-19 B
Report period: 1997-11-15T00:00:00+01:00 to 1997-11-16T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-11-10T00:00:00+01:00
daysBehind: 6.1
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-11-16T00:00:00+01:00
dTimDiaHoleStart: 1997-11-09T22:00:00+01:00
diaHole: 8.5
distDrill: -999.99
elevKelly: 25
fixedRig: false
forecast24Hr: CONTINUE RIH AND DRILL 8 1/2" HOLE.
hpht: 0
md: 3039
mdCsgLast: 4643
mdDiaHoleStart: 2231
mdKickoff: 2911
mdPlanned: -999.99
presTestType: leak off test
reportNo: 7
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: CONTINUED POOH AND RIH WITH 3 1/2" CMT STINGER ON 5" DP. PUMP 3 M3
SPACER FOLLOWED 4 M3 CMT SLURRY. POH TO ABOVE CMT AND PRESSURE TO 32
BAR ON PLUG, OK. LOST 0.2 M3. CIRC HOLE VOLUME AND POOH W/CMT STRING.
MADE UP BHA AND RIH.
tightWell: 0
tvd: 2315.8
waterDepth: 85
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-11-15T06:00:00+01:00
density: 1.55
locationSample: Active pit
md: 3039
mudClass: other
presBopRating: 999
pv: 39
type: ULTIDRILL
visFunnel: 67
yp: 16.5
dTim: 1997-11-15T00:00:00+01:00
density: 1.55
locationSample: Active pit
md: 3039
mudClass: other
presBopRating: 999
pv: 39
type: ULTIDRILL
visFunnel: 67
yp: 16.5
Pore pressure:
dTim: 1997-11-16T00:00:00+01:00
equivalentMudWeight: 1.03
md: 3039
readingKind: estimated
Survey stations:
Activities:
comments: CONTINUED POOH INTO CSG WINDOW.
dTimEnd: 1997-11-15T01:00:00+01:00
dTimStart: 1997-11-15T00:00:00+01:00
md: 2130
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: ATTEMPTED TO CIRCULATE INSIDE CSG. NOT ABLE TO GET RETURNS ABOVE 400 L/MIN LEVEL. FLOW CHECKED, WELL STATIC. 2 % GAS IN RETURNS.
dTimEnd: 1997-11-15T01:30:00+01:00
dTimStart: 1997-11-15T01:00:00+01:00
md: 2130
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: PUMPED SLUG. LOST TOTAL 8 M3 MUD TO FORMATION WHEN ATTEMPTING REGAIN CIRC AND PUMP SLUG. POOH. FLOW CHECKED AT 1917M, WELL STATIC. WELL FLOWED BACK DURING TRIP TOTAL 10,6 M3. TOOK NORMAL VOLUME FROM 800M.
dTimEnd: 1997-11-15T06:00:00+01:00
dTimStart: 1997-11-15T01:30:00+01:00
md: 667
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: CONTINUED POOH. FLOW CHECKED OK BEFORE PULLED BHA ABOVE BOP.
dTimEnd: 1997-11-15T07:30:00+01:00
dTimStart: 1997-11-15T06:00:00+01:00
md: 0
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: RACKED BACK BHA, BROKE BIT AND NEAR BIT STAB.
dTimEnd: 1997-11-15T08:30:00+01:00
dTimStart: 1997-11-15T07:30:00+01:00
md: 0
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: MADE UP 3 1/2" MULESHOE ON 290 M 3 1/2" DP AND RIH TO 2000M. NO LOSSES OBSERVED.
dTimEnd: 1997-11-15T12:30:00+01:00
dTimStart: 1997-11-15T08:30:00+01:00
md: 2000
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: REPARED HYDRAULIC LEAK ON ACCUMULATOR BOTTLE FOR BLOCK RETRACTION SYSTEM.
dTimEnd: 1997-11-15T13:30:00+01:00
dTimStart: 1997-11-15T12:30:00+01:00
md: 2000
phase: fixed
proprietaryCode: interruption -- maintain
state: fail
stateDetailActivity: equipment failure
comments: CONTINUED RIH TO 3030M. MADE UP CMT STAND AND CMT LINE. TESTED CMT LINE WITH 200 BAR.
dTimEnd: 1997-11-15T15:30:00+01:00
dTimStart: 1997-11-15T13:30:00+01:00
md: 3037
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: TAGGED BTM AT 3037M. DRILLED DEPTH 3039M. PUMPED 3 M3 SPACER WITH CMT UNIT AND MIXED AND PUMPED 4 M3 1,65 SG CMT SLURRY. DISPLACED CMT WITH RIG PUMPS. NO LOSSES DURING TRIP IN, LOST 1 M3 DURING CEMENTING AND DISPLACING AND 0,2 M3 WHEN CMT ENTERED OPEN HOLE.
dTimEnd: 1997-11-15T17:00:00+01:00
dTimStart: 1997-11-15T15:30:00+01:00
md: 3037
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: POOH TO 2742M.
dTimEnd: 1997-11-15T18:00:00+01:00
dTimStart: 1997-11-15T17:00:00+01:00
md: 2742
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: CLOSED BOP AND PUMPED 0,55 M3 AND OBTAINED 32 BAR ON CMT PLUG, OK EQUALS 1,69 SG ECD. BLED BACK 0,39 M3 TO CMT UNIT.
dTimEnd: 1997-11-15T19:00:00+01:00
dTimStart: 1997-11-15T18:00:00+01:00
md: 2742
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: CIRCULATED HOLE THE LONG WAY. ROTATED AND RECIPROCATED STRING. MAX CIRULATION RATE 2200 L/M. GOT WOOD FIBRE FROM LCM PILL OVER SHAKERS AT  END OF CIRCULATION AND REDUCED CIRCULATION RATE TO 1200 L/M. NO MUD LOSSES. FLOW CHECKED, WELL STATIC.
dTimEnd: 1997-11-15T21:00:00+01:00
dTimStart: 1997-11-15T19:00:00+01:00
md: 2742
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
comments: PUMPED SLUG AND LAID DOWN CMT STAND. POOH TO 620M.
dTimEnd: 1997-11-16T00:00:00+01:00
dTimStart: 1997-11-15T21:00:00+01:00
md: 620
phase: fixed
proprietaryCode: interruption -- lost circulation
state: fail
stateDetailActivity: circulation loss
Lithology and shows: