|
Operation
|
Start
|
Depth LSF (m)
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Comments
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Date
(Aug 2009)
|
Local time
(h)
|
Top
|
Bottom
|
|
Hole C0010A
|
|
|
0
|
560
|
|
|
Tool prep, rig up and RIH
|
3
|
2359
|
|
|
Set up and run 20 inch casing; jump ROV
|
|
ROV survey
|
5
|
0100
|
|
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Arrive at Site C0010
|
|
Run into hole to seabed
|
5
|
0745
|
|
|
ROV recovered to surface for maintenance
|
|
Tag seafloor
|
5
|
0659
|
|
|
Install guidehorn
|
|
Jet-in casing
|
5
|
0745
|
|
|
Jet in 20 inch casing to 41 mbsf
|
|
Make up 12-1/4 inch BHA
|
6
|
0659
|
|
|
Run BHA and drift to Site C0010
|
|
BHA run into hole, drifting
|
6
|
2030
|
|
|
|
|
ROV fixed on BHA, lower into well
|
7
|
1230
|
|
|
|
|
Drilling LWD starts
|
7
|
1315
|
|
|
Start LWD drilling
|
|
Ream down and sweep with Hi-vis mud
|
9
|
0145
|
|
|
Sweep and displace mud
|
|
POOH in preparation to avoid weather
|
9
|
1215
|
|
|
Typhoon "Elum" approaching Site C0010
|
|
Move vessel to safe area
|
9
|
2230
|
|
|
|
|
Wait on typhoon to pass
|
10
|
2359
|
|
|
|
|
Sail back to Site C0010
|
11
|
2359
|
|
|
Make up casing hanger running tool, pup joint, and hanger joint
|
|
Program LWD tools on deck, RIH
|
11
|
0900
|
|
|
Run tools in hole while drifting to Site C0010
|
|
Stab BHA into wellhead
|
12
|
0200
|
|
|
Continue running into hole
|
|
Drill 12-1/4 inch hole to TD, wiper trip
|
12
|
1045
|
|
|
|
|
POOH and prepare 9-5/8 inch casing
|
13
|
1945
|
|
|
|
|
Drift and run 9-5/8 inch casing
|
14
|
0915
|
|
|
|
|
RIH with 9-5/8 inch casing, cementing
|
15
|
0430
|
|
|
Mix and pump cement slurry
|
|
POOH and move to low current area
|
16
|
0745
|
|
|
ROV experiences broken strand on umbilical
|
|
RIH and scrape 9-5/8 inch casing
|
17
|
1445
|
|
|
After scraping, POOH and move to low current area
|
|
Prepare first dummy run carrier for RIH
|
18
|
1215
|
|
|
|
|
RIH dummy carrier and drift
|
18
|
1745
|
|
|
|
|
Suspend drifting due to high current
|
19
|
0915
|
|
|
|
|
ROV inspection of dummy carrier
|
19
|
1930
|
|
|
Damage found to carrier from VIV from Kuroshio Current; strainmeter and tubing torn off bottom flange, and one seismometer missing from carrier
|
|
POOH and reconfigure dummy carrier
|
20
|
0115
|
|
|
Add dummy strainmeter, and remove seismometer; accelerometer reset and attached to carrier
|
|
Preparation for 2nd dummy run, RIH
|
20
|
0700
|
|
|
|
|
Drift to Site C0010, stab in hole
|
21
|
1015
|
|
|
Stab 3 times into wellhead, and POOH
|
|
POOH and move to low current area
|
21
|
1600
|
|
|
|
|
Make up A3 retrievable casing packer and smart plug
|
22
|
0430
|
|
|
|
|
RIH smart plug and drift to Site C0010
|
22
|
0600
|
|
|
|
|
Set casing packer and smart plug
|
22
|
0600
|
|
|
|
|
POOH and perform ROV maintenance
|
23
|
0600
|
|
|
|
|
Big head transducer calibration
|
23
|
0600
|
|
|
|
|
Set corrosion cap and recover beacons
|
24
|
0600
|
|
|
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