Daily Drilling Report
Well: NO 15/9-19 S
Report period: 1993-04-23T00:00:00+02:00 to 1993-04-24T00:00:00+02:00
Wellbore info:
dTimSpud: 1992-09-15T01:00:00+02:00
dateDrillComplete: 1993-01-28
daysBehind: 155.9
operator: Statoil
rigAlias: name: TREASURE PROSPECT
Status:
dTim: 1993-04-24T00:00:00+02:00
dTimDiaHoleStart: 1993-03-26T00:00:00+01:00
distDrill: -999.99
elevKelly: 22
fixedRig: false
forecast24Hr: *FINISH POOH AND LAY DOWN DST STRING.
hpht: 0
md: 4641
mdCsgLast: 4640
mdPlanned: -999.99
mdPlugTop: 4607
reportNo: 159
ropCurrent: -999.99
sum24Hr: *FINISHED DISPLACING ANNULUS TO 1,38 S.G. MUD.
*RELEASED PACKER.
*CIRCULATED AND CONDITIONED MUD.
*RIGGED DOWN FLOW TREE AND SURFACE EQUIPMENT.
*POOH WITH TEST STRING FROM 4312M TO 3813M.
tightWell: 0
tvd: 3129.7
waterDepth: 84
wellheadElevation: 104.2
Drilling fluid:
dTim: 1993-04-23T23:30:00+02:00
density: 1.38
locationSample: Active pit
md: -999.99
mudClass: water based
presBopRating: -999.99
pv: 7
type: BENTONITE/FW
visFunnel: 49
yp: 23
Pore pressure:
Survey stations:
Activities:
comments: PUMPED 18,6 M3 1,15 SG NACL BRINE DOWN TEST STRING WITH CEMENT UNIT AT 600 LPM TO REFILL STRING, PRESSURED UP TO 110 BAR TO EQUALIZE ACROSS LPR-N VALVE.
dTimEnd: 1993-04-23T00:30:00+02:00
dTimStart: 1993-04-23T00:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: OPENED LPR-N VALVE.  BULLHEADED GAS/OIL BACK INTO FORMATION BY PUMPING 19,5 M3 1,15 SG NACL BRINE: FIRST 11 M3 AT MAX 90 BAR/1000 LPM, THEN PRESSURE INCREASED FROM 90 BAR TO 290 BAR/815 LPM WHILE PUMPING THE LAST 8,5 M3.  TOTAL PUMPED 38,1 M3 BRINE.  KILLED WELL BY PUMPING 4,0 M3 HI-VIS 1,38 SG MUD AT 630 LPM, PRESSURE INCR. FROM 150 TO 176 BAR,
dTimEnd: 1993-04-23T02:30:00+02:00
dTimStart: 1993-04-23T00:30:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: FOLLOWED BY 27,2 M3 1,38 SG MUD AT TYPICAL 650 LPM/180-200 BAR. MUD HIT PERFORATIONS AFTER HAVING PUMPED 26,7 M3.  SLOWED DOWN TO 400 LPM THE LAST 4 M3. PUMPING PRESSURE INCREASED FROM 190 TO 240 BAR THE LAST 0,5 M3. BLED OFF PRESSURE ON CEMENT UNIT.
dTimEnd: 1993-04-23T02:31:00+02:00
dTimStart: 1993-04-23T02:30:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: FLOW CHECKED WELL 30 MINS.
dTimEnd: 1993-04-23T03:00:00+02:00
dTimStart: 1993-04-23T02:31:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: CLOSED LPR-N VALVE AND LUBRICATOR VALVE.  OPENED FLOW HEAD WING VALVE AND CHOKE MANIFOLD.  FLUSHED SURFACE LINES TO BURNER ON STARBOARD SIDE.  CLOSED FLOW HEAD WING VALVE.  OPENED LUBRICATOR VALVE.
dTimEnd: 1993-04-23T04:00:00+02:00
dTimStart: 1993-04-23T03:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- rig up/down
state: ok
stateDetailActivity: success
comments: CYCLED OMNI FROM WELL TEST POSITION TO CIRCULATING POSITION 11 1/2. RECORDED 47 BAR U-TUBE PRESSURE.
dTimEnd: 1993-04-23T04:30:00+02:00
dTimStart: 1993-04-23T04:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: DISPLACED ANNULUS TO 1,38 SG MUD BY CIRCULATING THROUGH OMNI VALVE AND HOLDING BACK PRESSURE ON CHOKE DUE TO U-TUBING. MAX RATE 1000 LPM.
dTimEnd: 1993-04-23T06:00:00+02:00
dTimStart: 1993-04-23T04:30:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: CONTINUED DISPLACING ANNULUS TO 1,38 S.G. MUD BY CIRCULATING THROUGH OMNI VALVE. CIRCULATED UNTIL GAS READINGS WERE LESS THAN 1%. MAX GAS 6%, MAX RATE 1000 LPM.
dTimEnd: 1993-04-23T12:30:00+02:00
dTimStart: 1993-04-23T06:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: DISPLACED RISER TO 1,38 S.G. MUD THROUGH KILL LINE.
dTimEnd: 1993-04-23T13:00:00+02:00
dTimStart: 1993-04-23T12:30:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: OPENED MPR AND OBSERVED WELL FOR 10 MIN.
dTimEnd: 1993-04-23T13:30:00+02:00
dTimStart: 1993-04-23T13:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: CIRCULATED WELL, REGISTERED NO GAS. OBSERVED WELL FOR 10 MIN.
dTimEnd: 1993-04-23T14:00:00+02:00
dTimStart: 1993-04-23T13:30:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: RELEASED RTTS PACKER AND FLOWCKECKED 30 MIN.
dTimEnd: 1993-04-23T15:00:00+02:00
dTimStart: 1993-04-23T14:00:00+02:00
md: 4312
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: CLOSED MPR AND CIRCULATED WELL UNTIL GAS READINGS WERE UNDER 1%. MAX GAS 1,04%.
dTimEnd: 1993-04-23T18:30:00+02:00
dTimStart: 1993-04-23T15:00:00+02:00
md: 4312
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: OPENED MPR, FLOWCHECKED 10 MIN. CONTINUED CIRCULATING UP RISER. FLOWCHECKED 30 MIN.
dTimEnd: 1993-04-23T20:00:00+02:00
dTimStart: 1993-04-23T18:30:00+02:00
md: 4312
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: PUMPED SLUG. RIGGED DOWN CO-FLEX HOSES, LAID DOWN FLOW TREE, CHANGED BAILS AND ELEVATORS.
dTimEnd: 1993-04-24T00:00:00+02:00
dTimStart: 1993-04-23T20:00:00+02:00
md: 4312
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
Lithology and shows: