IODP

Next Section | Table of Contents

doi:10.2204/iodp.sp.301T.2004

Table T1. Costa Rica hydrogeology operations plan and time estimate.

Time (h)
Operations description


1.00
Drop beacon midway between Site 1253 and Site 1255.
1.00
Take up station over Site 1255 CORK-II.
8.00
Run in hole with BHA.
0.25
Run in hole with VIT.
0.50
Space out for BHA latch onto Site 1255 wellhead, load wireline into drill string.
1.00
Latch BHA onto Site 1255 wellhead.
0.50
Run in hole with wireline.
0.50
Jar/latch Site 1255 OsmoSampler.
0.75
Pull out of hole with wireline, unlatch BHA from Site 1255 wellhead.
0.50
Lay out Site 1255 OsmoSampler.
0.50
Load Site 1255 replacement OsmoSampler into drill string.
0.75
Run in hole with Site 1255 replacement OsmoSampler, latch BHA onto wellhead.
0.50
Latch Site 1255 OsmoSampler in place, release running tool.
0.75
Pull out of hole with wireline, unlatch BHA from wellhead, lay out wireline sinker bar.
0.25
Pull out of hole with VIT.
7.00
Pull out of hole with BHA (while making dynamic positioning move).
1.00
Dynamic positioning move from Site 1255 to Site 1253, take up station over Site 1253 CORK-II.
8.00
Run in hole with BHA fishing tool.
0.25
Run in hole with VIT.
2.00
Fish for Site 1253 OsmoSampler rope.
8.00
Pull out of hole with BHA fishing tool and Site 1253 OsmoSampler.
0.25
Pull out of hole with VIT.
2.00
Lay out Site 1253 OsmoSampler.
8.00
Run in hole with BHA.
0.25
Run in hole with VIT.
0.75
Space out for Site 1253 wellhead latch on, load replacement OsmoSampler into drill string.
0.50
Latch BHA onto Site 1253 wellhead.
0.25
Run in hole with Site 1253 OsmoSampler.
0.50
Jar/latch Site 1253 OsmoSampler into place.
0.75
Pull out of hole with wireline, unlatch BHA from Site 1253 wellhead.
8.00
Pull out of hole with BHA.
0.25
Pull out of hole with VIT.
0.00
Recover beacon (while pulling out of hole with BHA).


64.50
Total time (h)
2.69
Total time (days)

Note: BHA = bottom-hole assembly, VIT = vibration-isolated television.

Next Section | Table of Contents