Daily Drilling Report
Well: NO 15/9-19 A
Report period: 1997-08-12T00:00:00+02:00 to 1997-08-13T00:00:00+02:00
Wellbore info:
dTimSpud: 1997-07-25T00:00:00+02:00
dateDrillComplete: 1997-08-30
daysBehind: 19
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-08-13T00:00:00+02:00
dTimDiaHoleStart: 1997-07-25T00:30:00+02:00
diaHole: 8.5
distDrill: 12
elevKelly: 25
fixedRig: false
forecast24Hr: CONTINUE POOH. EVALUATE CORE AND CUT CORE OR DRILL ADDITIONAL 50M TO
TD.
hpht: 0
md: 3849
mdCsgLast: 4643
mdDiaHoleStart: 2202
mdKickoff: 2178
mdPlanned: -999.99
mdStrengthForm: 2178
presTestType: leak off test
reportNo: 20
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: COMPLETED REAMING TO TD. CUT CORE NO 1 (17 M). CURRENTLY POOH WITH
CORE.
tightWell: 0
tvd: 3061.4
tvdStrengthForm: 1627
waterDepth: 84
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-08-12T14:00:00+02:00
density: 1.55
locationSample: Flowline
md: 3838
mudClass: other
presBopRating: 999
pv: 37
type: ULTIDRILL
visFunnel: 63
yp: 11.5
dTim: 1997-08-12T22:45:00+02:00
density: 1.55
locationSample: Flowline
md: 3845
mudClass: other
presBopRating: 999
pv: 36
type: ULTIDRILL
visFunnel: 59
yp: 9.5
Pore pressure:
dTim: 1997-08-13T00:00:00+02:00
equivalentMudWeight: 1.22
md: 3600
readingKind: estimated
dTim: 1997-08-13T00:00:00+02:00
equivalentMudWeight: 1.09
md: 3854
readingKind: estimated
Survey stations:
Activities:
comments: CONT RIH WITH CORING BHA. FILL PIPE AT CSG WINDOW. RIH PASS WINDOW AND PULL BACK INTO CSG WITH COREBARREL, OK. CONT RIH TO 3212M. WORK AWAY 15T OBSTRUCTION AT 3008M AND 3174M. DID NOT GET CORRECT AMOUNT OF MUD IN RETURNS.
dTimEnd: 1997-08-12T04:30:00+02:00
dTimStart: 1997-08-12T00:00:00+02:00
md: 3212
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: BREAK CIRC AND FILLED PIPE TOO EARLY. FLOAT VALVE NOT OPERATING CORRECT. CIRC 1 STRING CONTENT AND GOT 6.6% GASPEAK FROM 65M. FLOW CHECK, OK.
dTimEnd: 1997-08-12T05:00:00+02:00
dTimStart: 1997-08-12T04:30:00+02:00
md: 3212
phase: fixed
proprietaryCode: formation evaluation -- core
state: ok
stateDetailActivity: success
comments: CONTINUE RIH. STOOD UP WITH 15T AT 3287M. REAMED OBSTRUCTION. CONT RIH AND STODD UP AT 3303M. CURRENTLY REAMING AWAY OBSTRUCTION.
dTimEnd: 1997-08-12T06:00:00+02:00
dTimStart: 1997-08-12T05:00:00+02:00
md: 3303
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: WASH AND REAM TIGHT HOLE FROM 3303 - 3820M WITH COREBARREL BHA.
dTimEnd: 1997-08-12T16:30:00+02:00
dTimStart: 1997-08-12T06:00:00+02:00
md: 3820
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: CIRCULATED BTMS UP AT 3820M.
dTimEnd: 1997-08-12T18:00:00+02:00
dTimStart: 1997-08-12T16:30:00+02:00
md: 3820
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: CONTINUED WASH AND REAM TIGHT HOLE FROM 3820M - 3837M.
dTimEnd: 1997-08-12T20:00:00+02:00
dTimStart: 1997-08-12T18:00:00+02:00
md: 3837
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: TAG BTM AND SPACED OUT. DROP BALL AND SEATED SAME WITH 14 BAR OVER PRESSURE. TAKE SCR'S.
dTimEnd: 1997-08-12T20:30:00+02:00
dTimStart: 1997-08-12T20:00:00+02:00
md: 3837
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: START CORING FROM 3837-3849M. STALLED OUT ON BTM TWICE DURING FIRST 2M CORING. PULLED OFF BTM AND RE-STARTED.
dTimEnd: 1997-08-13T00:00:00+02:00
dTimStart: 1997-08-12T20:30:00+02:00
md: 3849
phase: fixed
proprietaryCode: formation evaluation -- core
state: ok
stateDetailActivity: success
Lithology and shows: