Daily Drilling Report
Well: NO 15/9-19 A
Report period: 1997-08-13T00:00:00+02:00 to 1997-08-14T00:00:00+02:00
Wellbore info:
dTimSpud: 1997-07-25T00:00:00+02:00
dateDrillComplete: 1997-08-30
daysBehind: 20
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-08-14T00:00:00+02:00
dTimDiaHoleStart: 1997-07-25T00:30:00+02:00
diaHole: 8.5
distDrill: 9
elevKelly: 25
fixedRig: false
forecast24Hr: RETRIEVE CORE NO 2 AND EVALUATE. CONTINUE CORING OR DRILL 70M RAT HOLE
hpht: 0
md: 3858
mdCsgLast: 4643
mdDiaHoleStart: 2202
mdKickoff: 2178
mdPlanned: -999.99
mdStrengthForm: 2178
presTestType: leak off test
reportNo: 21
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: POOH AND LAID DOWN CORE NO 1, 95 % RECOVERY. MADE UP COREBARREL AND
RIH AND CUT CORE NO 2, 3854 - 3881M. START TO POOH.
tightWell: 0
tvd: 3069.3
tvdStrengthForm: 1627
waterDepth: 84
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-08-13T21:30:00+02:00
density: 1.55
locationSample: Flowline
md: 3854
mudClass: other
presBopRating: 999
pv: 37
type: ULTIDRILL
visFunnel: 60
yp: 9.5
Pore pressure:
dTim: 1997-08-14T00:00:00+02:00
equivalentMudWeight: 1.22
md: 3600
readingKind: estimated
dTim: 1997-08-14T00:00:00+02:00
equivalentMudWeight: 1.09
md: 3881
readingKind: estimated
Survey stations:
Activities:
comments: CONTINUED CUT CORE FROM 3849 - 3854M. CORE JAMMED, TORQUE DROPPED OFF AND PRESSURE DEGREASED. ATTEMPT TO RESTART CORING, NOT ABLE TO OBTAIN TORQUE ON BTM.
dTimEnd: 1997-08-13T01:30:00+02:00
dTimStart: 1997-08-13T00:00:00+02:00
md: 3854
phase: fixed
proprietaryCode: formation evaluation -- core
state: ok
stateDetailActivity: success
comments: FLOW CHECK, OK. PUMP SLUG AND POOH. HAD 15T OVER PULL AT 3278 AND 3269M. FLOW CHECKED INSIDE CSG WINDOW, OK. CONT POH. CURRENT DEPTH AT REPORT TIME, 1244M.
dTimEnd: 1997-08-13T06:00:00+02:00
dTimStart: 1997-08-13T01:30:00+02:00
md: 1244
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: CONTINUED POOH TO SURFACE. PULLED LAST 400M WITH RESTRICTED SPEED, 6 MIN/STAND. FLOW CHECKED BEFORE PULLED BHA.
dTimEnd: 1997-08-13T08:30:00+02:00
dTimStart: 1997-08-13T06:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: RETRIEVED CORE NO 1, 95 % RECOVERY.
dTimEnd: 1997-08-13T09:30:00+02:00
dTimStart: 1997-08-13T08:30:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: BREAK CH AND CHANGED ALL STABS FROM 8 15/16" TO 8 3/8" ON CORE BARREL MADE UP CORE HEAD.
dTimEnd: 1997-08-13T13:00:00+02:00
dTimStart: 1997-08-13T09:30:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: RIH TO CSG WINDOW AT 2161M. FILL STRING EACH 1000M.
dTimEnd: 1997-08-13T18:00:00+02:00
dTimStart: 1997-08-13T13:00:00+02:00
md: 2161
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: SLIP AND CUT 29,3M DRILLING LINE.
dTimEnd: 1997-08-13T19:00:00+02:00
dTimStart: 1997-08-13T18:00:00+02:00
md: 2161
phase: fixed
proprietaryCode: drilling -- other
state: ok
stateDetailActivity: success
comments: CONTINUED RIH TO 3830M. BREAK CIRC.
dTimEnd: 1997-08-13T22:00:00+02:00
dTimStart: 1997-08-13T19:00:00+02:00
md: 3830
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: REAM TO BTM 3854M. 2M HARD FILL. TAG BTM 3 TIMES AND SPACED OUT STRING
dTimEnd: 1997-08-13T22:30:00+02:00
dTimStart: 1997-08-13T22:00:00+02:00
md: 3854
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: DROP BALL AND SEATED SAME IN COREBARREL WITH 17 BAR PRESS INCREASE. TAKE SCR'S.
dTimEnd: 1997-08-13T23:00:00+02:00
dTimStart: 1997-08-13T22:30:00+02:00
md: 3854
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: START CUT CORE NO 2 FROM 3854 - 3858M.
dTimEnd: 1997-08-14T00:00:00+02:00
dTimStart: 1997-08-13T23:00:00+02:00
md: 3858
phase: fixed
proprietaryCode: formation evaluation -- core
state: ok
stateDetailActivity: success
Lithology and shows:
dTim: 1997-08-14T00:00:00+02:00
lithology: SANDSTONE
mdBottom: -999.99
mdTop: 3838