Table T10. Conventional wireline logging operations summary, Hole 1252A.
Date
(Aug 2002)
Local time
(hr)
Tool depth (mbsf)
Remarks
31 0140
Last core on deck
31 0145-0215
Circulated hole bottoms up with 50 bbl of a sepiolite mud
31 0215-0230
Hole displaced with sepiolite mud
31 0230-0350
Set back top drive; bottom of pipe put at 90 mbsf
31 0350
Start logging rig-up
31 0600
Start going down with triple combination (TAP/DIT/HLDT/APS/HNGS) tool string
31 0640 0 Stop 5 min at mudline for temperature calibration
31 0700 262 Tool at TD; start logging-up pass at 900 ft/hr
31 0745 75 Tool back into pipe; speed up to 1500 ft/hr to log mudline
31 0755 0 End of pass 1
31 0805 184 Tool at TD; start logging-up pass 2 at 900 ft/hr
31 0835 75 Tool back in pipe; end of pass 2
31 0915
Tool back on rig floor
31 1010
Finish rig-down
31 1045
Start logging rig-up
31 1210
Start going down with FMS-sonic (FMS/DSI/SGT) tool
31 1310 262 Tool at TD; start logging-up pass at 900 ft/hr
31 1345 75 Tool back into pipe; end of pass 1
31 1400 262 Tool at TD; start logging-up pass 2 at 900 ft/hr
31 1445 75 Tool back in pipe; end of pass 2
31 1530
Tool back on rig floor
31 1630
Finish rig-down

Notes: TD = total depth. See Table T8 in the "Explanatory Notes" chapter for definitions of acronyms.