Table T20. Conventional wireline logging operations summary, Hole 1251H.
Date
(Aug 2002)
Local time
(hr)
Tool depth
(mbsf)
Remarks
17 0115
Drilling completed
17 0115-0130 445.0 Hole swept with sepiolite mud
17 0130-1015
Wiper trip up to 80 mbsf; back down to 440 mbsf
17 1200-1230 414.8 Hole displaced with sepiolite mud
17 1230-1415
Set back top drive; bottom of pipe put at 94.5 mbsf
17 1415
Start logging rig-up
17 1630
Start going down the triple combination (TAP/DIT/HLDT/APS/HNGS/QSST) tool string
17 1730 0.0 Stop 5 min at mudline for temperature calibration
17 1800 240.5 Tool at TD; start logging-up pass at 900 ft/hr
17 1910 78.5 Tool back into pipe; speed up to 1500 ft/hr to log mudline
17 1920 0.0 End of pass 1
17 1935 225.5 Tool at TD for QSST checkshot survey
17 2015 225.5 Tool at TD; start logging-up pass 2 at 900 ft/hr
17 2045 78.5 Tool back in pipe; end of pass 2
17 2120
Tool back on rig floor
17 2245
Finish rig down
17 2245
Start logging rig-up
17 2345
Start going down with the FMS-sonic (FMS/DSI/SGT) tool
18 0055 207.5 Tool at TD; start logging-up pass at 900 ft/hr
18 0125 78.5 Tool back into pipe; end of pass 1
18 0145 209.5 Tool at TD; start logging-up pass 2 at 900 ft/hr
18 0215 78.5 Tool back into pipe; end of pass 2
18 0245
Tool back on rig floor
18 0345
Finish rig-down

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