Daily Drilling Report
Well: NO 15/9-19 S
Report period: 1993-03-07T00:00:00+01:00 to 1993-03-08T00:00:00+01:00
Wellbore info:
dTimSpud: 1992-09-15T01:00:00+02:00
dateDrillComplete: 1993-01-28
daysBehind: 108.9
operator: Statoil
rigAlias: name: TREASURE PROSPECT
Status:
dTim: 1993-03-08T00:00:00+01:00
dTimDiaHoleStart: 1993-02-25T17:00:00+01:00
diaHole: 8.5
distDrill: 27
elevKelly: 22
fixedRig: false
forecast24Hr: *RIH WITH BHA NO.25.
*CUT CORE NO.3 AND RECOVER SAME.
hpht: 0
md: 4355
mdCsgLast: 3569.3
mdDiaHoleStart: 3581
mdPlanned: -999.99
mdStrengthForm: 3580
reportNo: 112
ropCurrent: -999.99
strengthForm: 1.71
sum24Hr: *CUT CORE NO.2 TO 4355M, POOH.
*L/D CORE.  TOOK EXTRAORDINARY SAFETY PRECAUTIONS DUE TO H2S IN CORE.
*M/U BHA NO.25 FOR CUTTING CORE NO.3.
tightWell: 0
tvd: 2913
tvdCsgLast: 2399
tvdStrengthForm: 2394
waterDepth: 84
wellheadElevation: 104.2
Drilling fluid:
dTim: 1993-03-07T10:00:00+01:00
density: 1.4
locationSample: Flowline
md: 4354
mudClass: oil based
presBopRating: -999.99
pv: 35
type: PETROFREE
visFunnel: 115
yp: 9.5
dTim: 1993-03-07T06:00:00+01:00
density: 1.4
locationSample: Flowline
md: 4328
mudClass: oil based
presBopRating: -999.99
pv: 39
type: PETROFREE
visFunnel: 88
yp: 12
Pore pressure:
dTim: 1993-03-08T00:00:00+01:00
equivalentMudWeight: 1.3
md: 4107
readingKind: estimated
dTim: 1993-03-08T00:00:00+01:00
equivalentMudWeight: 1.1
md: 4355
readingKind: estimated
Survey stations:
Activities:
comments: BROKE CIRCULATION.  WASHED/REAMED TO 4328M.
dTimEnd: 1993-03-07T01:00:00+01:00
dTimStart: 1993-03-07T00:00:00+01:00
md: 4328
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: CIRCULATED BOTTOMS UP.
dTimEnd: 1993-03-07T02:30:00+01:00
dTimStart: 1993-03-07T01:00:00+01:00
md: 4328
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: DROPPED BALL, DISPLACED AND SEATED SAME.
dTimEnd: 1993-03-07T03:00:00+01:00
dTimStart: 1993-03-07T02:30:00+01:00
md: 4328
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: CUT CORE NO.2 FROM 4328M TO 4338M.
dTimEnd: 1993-03-07T06:00:00+01:00
dTimStart: 1993-03-07T03:00:00+01:00
md: 4338
phase: fixed
proprietaryCode: formation evaluation -- core
state: ok
stateDetailActivity: success
comments: CONTINUED CUTTING CORE NO.2 FROM 4338M TO 4355M.
dTimEnd: 1993-03-07T10:30:00+01:00
dTimStart: 1993-03-07T06:00:00+01:00
md: 4355
phase: fixed
proprietaryCode: formation evaluation -- core
state: ok
stateDetailActivity: success
comments: CIRCULATED 10 MINS.  FLOW CHECKED 15 MINS, NEGATIVE.  PUMPED SLUG.
dTimEnd: 1993-03-07T11:00:00+01:00
dTimStart: 1993-03-07T10:30:00+01:00
md: 4355
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: POOH TO 9 5/8" CASING SHOE.  FLOW CHECKED, NEGATIVE. CONTINUED POOH TO 29M, FLOW CHECKED AT 500M, NEGATIVE.
dTimEnd: 1993-03-07T17:00:00+01:00
dTimStart: 1993-03-07T11:00:00+01:00
md: 29
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: PREPARED FOR RECOVERING CORE.RECORDED 650 PPM H2S GAS FROM TOP OF COREBARREL. SOUNDED GENERAL ALARM AND ORDERED ALL ESSENTIAL PERSONNEL TO PORT BOX GIRDER FORWARD. EQUIPPED DRILL-FLOOR PERSONNEL WITH BREATHING APPARATUS.  CLOSED SHEAR RAM TO MONITOR WELL ON CHOKE. CARRIED OUT H2S MEASUREMENTS ON RIG FLOOR.
dTimEnd: 1993-03-07T19:00:00+01:00
dTimStart: 1993-03-07T17:00:00+01:00
md: 29
phase: fixed
proprietaryCode: formation evaluation -- log
state: ok
stateDetailActivity: success
comments: HELD SAFETY/PRE-OPERATION MEETING WITH INVOLVED PERSONNEL.
dTimEnd: 1993-03-07T19:30:00+01:00
dTimStart: 1993-03-07T19:00:00+01:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- log
state: ok
stateDetailActivity: success
comments: INSTALLED LIFT SUB.  PULLED OUT INNER BARREL, KEPT SAME HANGING IN TUGGER LINE FOR VENTING OUT H2S.
dTimEnd: 1993-03-07T20:30:00+01:00
dTimStart: 1993-03-07T19:30:00+01:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- rig up/down
state: ok
stateDetailActivity: success
comments: RAN BACK IN WITH INNER BARREL. DRILLED 6MM DIAMETER VENT HOLES EACH METER. MEASURED H2S LEVELS WHILE DRILLING.  PULLED INNER BARREL OUT AFTER DRILLING VENT HOLES.
dTimEnd: 1993-03-07T22:00:00+01:00
dTimStart: 1993-03-07T20:30:00+01:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- rig up/down
state: ok
stateDetailActivity: success
comments: KEPT INNER BARREL HANGING IN TUGGER LINE FOR VENTING WHILE MEASURING H2S-LEVELS.  ALLOWED PERSONNEL TO GO BACK INDOOR.
dTimEnd: 1993-03-07T23:30:00+01:00
dTimStart: 1993-03-07T22:00:00+01:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- log
state: ok
stateDetailActivity: success
comments: HELD SAFETY MEETING WITH INVOLVED PERSONNEL PRIOR TO L/D CORE BARRELS.
dTimEnd: 1993-03-08T00:00:00+01:00
dTimStart: 1993-03-07T23:30:00+01:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- log
state: ok
stateDetailActivity: success
Lithology and shows: