Daily Drilling Report
Well: NO 15/9-19 A
Report period: 1997-11-02T00:00:00+01:00 to 1997-11-03T00:00:00+01:00
Wellbore info:
dTimSpud: 1997-07-25T00:00:00+02:00
dateDrillComplete: 1997-08-30
daysBehind: 101
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-11-03T00:00:00+01:00
dTimDiaHoleStart: 1997-08-30T02:00:00+02:00
distDrill: -999.99
elevKelly: 25
fixedRig: false
forecast24Hr: COMPLETE POOH/LD DST STRING.
hpht: 0
md: 4131
mdCsgLast: 4643
mdDiaHoleStart: 4131
mdKickoff: 2178
mdPlanned: -999.99
mdPlugTop: 3947
reportNo: 102
ropCurrent: -999.99
sum24Hr: COMPLETED SHUT-IN PRESSURE BUILD-UP TEST. PERFORMED MINI-FRAC/KILL
OPERATIONS. LD FLOWHEAD, 5" LANDING STRING, & SSTT. STARTED POOH/LD
3 1/2" DST STRING.
tightWell: 0
tvd: 3319
waterDepth: 84
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-11-02T23:59:00+01:00
density: 1.47
locationSample: Active pit
md: 4131
mudClass: other
presBopRating: 999
pv: 56
type: ULTIDRILL
visFunnel: -999.99
yp: 13.5
Pore pressure:
dTim: 1997-11-03T00:00:00+01:00
equivalentMudWeight: 1.15
md: 4131
readingKind: estimated
Survey stations:
Activities:
comments: CONTINUED PERFORMING SHUT-IN BUILD-UP TEST.
dTimEnd: 1997-11-02T06:00:00+01:00
dTimStart: 1997-11-02T00:00:00+01:00
md: 3865
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: COMPLETED SHUT-IN BUILD-UP TEST.
dTimEnd: 1997-11-02T08:30:00+01:00
dTimStart: 1997-11-02T06:00:00+01:00
md: 3865
phase: fixed
proprietaryCode: formation evaluation -- drill stem test
state: ok
stateDetailActivity: success
comments: PRESSURED UP ON ANNULUS TO 200 BAR-LOCKED OPEN TESTER VALVE.PERFORMED MINI-FRAC TEST 2B. USING SEAWATER/POLYMER MIXTURE, THE FRACTURE CLOSURE PRESSURE WAS DETERMINED TO BE APPROXIMATELY 555 BAR AT 3045 M TVD - TOP PERFORATION.
dTimEnd: 1997-11-02T10:30:00+01:00
dTimStart: 1997-11-02T08:30:00+01:00
md: 3865
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: CONTINUED WITH THE MINI-FRAC JOB. PUMPED 14,5 M3 OF 1,47 SG MUD. PUMP RATE = 1000 LPM AT 340 BAR.
dTimEnd: 1997-11-02T12:00:00+01:00
dTimStart: 1997-11-02T10:30:00+01:00
md: 3865
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: FLUSHED SURFACE TEST LINES & EQUIPMENT WITH SEAWATER.OPENED MPR & RELEASED RTTS W/13MT O/PULL.CLOSED MPR & SHEARED APR-RD VALVE W/300BAR ANNULUS PRESSURE. COMPLETED THE KILL PROCEDURE BY BULLHEADING 1,6 M3 1,47 SG MUD DOWN THE ANNULUS - FORCING FLUID BELOW PACKER TO BE BULLHEADED INTO FORMATION.
dTimEnd: 1997-11-02T14:00:00+01:00
dTimStart: 1997-11-02T12:00:00+01:00
md: 3865
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: OPENED MPR & CIRCULATED BOTTOMS UP - SHUTTING IN THE WELL & TAKING RETURNS THROUGH THE CHOKE LINE AFTER 2/3 ANNULAR VOLUME HAD BEEN PUMPED. MAX GAS READING = 3,7%. AFTER GAS DECREASED, OPENED WELL & CONTINUED CIRCULATING UP RISER - FOR A TOTAL OF 2 BOTTOMS UP.
dTimEnd: 1997-11-02T17:30:00+01:00
dTimStart: 1997-11-02T14:00:00+01:00
md: 3865
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: FLOW CHECKED & PUMPED SLUG.
dTimEnd: 1997-11-02T18:00:00+01:00
dTimStart: 1997-11-02T17:30:00+01:00
md: 3865
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: RD SURFACE FLOWHEAD. POOH/LD 5" LANDING STRING - LD 2 LUBRICATOR VALVES. STARTED LD SSTT-SUBSEA TEST TREE.
dTimEnd: 1997-11-03T00:00:00+01:00
dTimStart: 1997-11-02T18:00:00+01:00
md: 3755
phase: fixed
proprietaryCode: formation evaluation -- rig up/down
state: ok
stateDetailActivity: success
Lithology and shows: