Daily Drilling Report
Well: NO 15/9-19 A
Report period: 1997-08-14T00:00:00+02:00 to 1997-08-15T00:00:00+02:00
Wellbore info:
dTimSpud: 1997-07-25T00:00:00+02:00
dateDrillComplete: 1997-08-30
daysBehind: 21
operator: Statoil
rigAlias: name: BYFORD DOLPHIN
name: 341331
Status:
dTim: 1997-08-15T00:00:00+02:00
dTimDiaHoleStart: 1997-07-25T00:30:00+02:00
diaHole: 8.5
distDrill: 50.5
elevKelly: 25
fixedRig: false
forecast24Hr: RETRIEVE CORE NO 3. RIH AND CUT CORE NO 4. CIRC OUT GAS AND POOH WITH
COREBARREL.
hpht: 0
md: 3908.5
mdCsgLast: 4643
mdDiaHoleStart: 2202
mdKickoff: 2178
mdPlanned: -999.99
mdStrengthForm: 2178
presTestType: leak off test
reportNo: 22
ropCurrent: -999.99
strengthForm: 1.73
sum24Hr: RETRIVED CORE NO 2, 100 % RECOVERY. RIH AND CUT CORE NO 3. CIRC DOWN
GAS LEVEL AND POH TO CURRENT DEPTH 1412M.
tightWell: 0
tvd: 3112.7
tvdStrengthForm: 1627
waterDepth: 84
wellheadElevation: 106.5
Drilling fluid:
dTim: 1997-08-14T22:30:00+02:00
density: 1.55
locationSample: Flowline
md: 3893
mudClass: other
presBopRating: 999
pv: 39
type: ULTIDRILL
visFunnel: 59
yp: 10
Pore pressure:
dTim: 1997-08-15T00:00:00+02:00
equivalentMudWeight: 1.22
md: 3600
readingKind: estimated
dTim: 1997-08-15T00:00:00+02:00
equivalentMudWeight: 1.09
md: 3908.5
readingKind: estimated
Survey stations:
Activities:
comments: CONTINUED CORING FROM 3858 - 3881M. TOTAL CUT 27M.
dTimEnd: 1997-08-14T01:30:00+02:00
dTimStart: 1997-08-14T00:00:00+02:00
md: 3881
phase: fixed
proprietaryCode: formation evaluation -- core
state: ok
stateDetailActivity: success
comments: FLOW CHECKED, OK. LAID DOWN SPACER PUP JT. PUMP SLUG.
dTimEnd: 1997-08-14T02:00:00+02:00
dTimStart: 1997-08-14T01:30:00+02:00
md: 3852
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: POOH. FLOW CHECKED INSIDE CSG WINDOW, OK. CURRENT DEPTH AT REPORT TIME, 780M.
dTimEnd: 1997-08-14T06:00:00+02:00
dTimStart: 1997-08-14T02:00:00+02:00
md: 780
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: CONTINUED POOH WITH CORE NO 2. REDUCED SPEED LAST 400M. HELD SAFETY BRIEF BEFORE PULL CORE BARREL TO DRILL FLOOR. HAD 20 PPM H2S IN COREBARREL. PERSONNEL PUT ON PROTECTION EQUIPMENT BEFORE START LAYING DOWN CORE.
dTimEnd: 1997-08-14T09:00:00+02:00
dTimStart: 1997-08-14T06:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: RETRIVED CORE NO 2, 100 % RECOVERY. MAX 5 PPM H2S WHEN RETRIVING CORE.
dTimEnd: 1997-08-14T10:30:00+02:00
dTimStart: 1997-08-14T09:00:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: M/UP COREBARREL AND COREHEAD. SERVICED COREBARREL.
dTimEnd: 1997-08-14T12:30:00+02:00
dTimStart: 1997-08-14T10:30:00+02:00
md: 0
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: RIH TO CSG WINDOW AT 2161M. BREAK CIRC EACH 1000 M.
dTimEnd: 1997-08-14T15:30:00+02:00
dTimStart: 1997-08-14T12:30:00+02:00
md: 2160
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: HELD SAFETY MEETING WITH ALL PERSONNEL WITH H2S GAS, GAS PROCEDYRES AND CONTINGENCIES.
dTimEnd: 1997-08-14T16:00:00+02:00
dTimStart: 1997-08-14T15:30:00+02:00
md: 2160
phase: fixed
proprietaryCode: formation evaluation -- wait
state: ok
stateDetailActivity: success
comments: CONTINUED RIH TO 3876M.
dTimEnd: 1997-08-14T18:30:00+02:00
dTimStart: 1997-08-14T16:00:00+02:00
md: 3876
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: CIRC BTM'S UP IN ORDER TO CLEAN WELL FOR GAS. MAX PEAK FROM PREVIOUS CORING; 15,2 %. CIRC GAS LEVEL DOWN TO 0,9 %.
dTimEnd: 1997-08-14T20:30:00+02:00
dTimStart: 1997-08-14T18:30:00+02:00
md: 3876
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: ROTATE AND WASH TO BTM AT 3881,5M. SPACED OUT STRING.
dTimEnd: 1997-08-14T21:00:00+02:00
dTimStart: 1997-08-14T20:30:00+02:00
md: 3881
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: 1997-08-14T21:30:00+02:00
dTimStart: 1997-08-14T21:00:00+02:00
md: 3881
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
comments: CUT CORE NO 3 FROM 3881,5 TO 3908,5M.
dTimEnd: 1997-08-14T23:00:00+02:00
dTimStart: 1997-08-14T21:30:00+02:00
md: 3908
phase: fixed
proprietaryCode: formation evaluation -- core
state: ok
stateDetailActivity: success
comments: PUMP OUT OF HOLE TO 3820M. HAD 45 T OVER PULL AT CONNECTION AT 3880M. ROTATE STRING AND HAD NO EXCESSIVE TORQUE TO BREAK ROTATION, NORMAL PUMP PRESSURES INDICATING GEOMETRICAL OBSTRUCTION.
dTimEnd: 1997-08-14T23:30:00+02:00
dTimStart: 1997-08-14T23:00:00+02:00
md: 3820
phase: fixed
proprietaryCode: formation evaluation -- trip
state: ok
stateDetailActivity: success
comments: CIRC TO CLEAN OUT CORING GAS.
dTimEnd: 1997-08-15T00:00:00+02:00
dTimStart: 1997-08-14T23:30:00+02:00
md: 3820
phase: fixed
proprietaryCode: formation evaluation -- circulating conditioning
state: ok
stateDetailActivity: success
Lithology and shows:
dTim: 1997-08-15T00:00:00+02:00
lithology: SANDSTONE
mdBottom: -999.99
mdTop: 3854