Initial Reports, Volume 206 Ms 206IR-103 Chapter 3, Table T2. Operations conducted during Leg 206. Notes: GPS = Global Positioning System. CADA = Cam-Actuated Drill-Ahead tool. EOP = end of pipe. BCR = bi-centered reamer. BHA = bottom-hole assembly. TD = total depth. POOH = pull out of hole. WOW = waiting on weather. VIT = vibration-isolated television. FMS = Formation MicroScanner, UBI = Ultrasonic Borehole Imager, WST = Well Seismic Tool. Hole Activity Local time (hr) Date (2002) Operation on hole Time on hole (hr) Time on site (hr) Time on site (days) Comments 1256A On location with GPS 1630 14-Nov Spud at 0640 hr on 15 Nov Clear seafloor 1256A 645 15-Nov 14.25 14.25 0.59 Objective attained 1256B Clear seafloor 1256A 645 15-Nov Spud at 0815 hr on 15 Nov Bit at rotary table 630 17-Nov 47.75 62 2.58 Basement reached 1256C Bit at rotary table 630 17-Nov Spud at 1515 hr on 17 Nov EOP at rotary table 345 23-Nov 141.25 203.25 8.47 Depth objective attained 1256D EOP at rotary table 345 23-Nov Jet-in 20-in casing Spud reentry cone and casing 1035 24-Nov End jetting 30.83 234.08 9.75 Reach 95 mbsf; release CADA 2015 24-Nov Bit at rotary table 9.67 243.75 10.16 Change to BCR BHA 620 25-Nov Reentry 1 10.08 253.83 10.58 Enter cone with BCR BHA 815 25-Nov Begin drilling 1.92 255.75 10.66 Start 21.5-in hole at 95 mbsf 445 27-Nov End drilling 44.5 300.25 12.51 Stop at ~17 m into basement 1300 27-Nov Bit at rotary table 8.25 308.5 12.85 Failed bit bearing put junk in hole 2140 27-Nov Reentry 2 8.67 317.17 13.22 Reenter with 2x junk basket BHA 0 28-Nov Start cleaning 2.33 319.5 13.31 Work junk baskets 330 28-Nov End cleaning 3.5 323 13.46 Advance 1 m into basement 505 28-Nov Clear seafloor 1.58 324.58 13.52 Recover drill string 1140 28-Nov Bit at rotary table 6.58 331.17 13.8 Change to BCR BHA 1755 28-Nov Reentry 3 6.25 337.42 14.06 Enter cone with BCR BHA 2000 28-Nov Begin drilling 2.08 339.5 14.15 Resume 21.5-in hole at ~17 m in basement 30 30-Nov Begin wiper trip 28.5 368 15.33 TD = 276.1 mbsf (26.1 m in basement) 415 30-Nov Displace hole 3.75 371.75 15.49 150 bbl sepiolite; 100 bbl barite 700 30-Nov Clear seafloor 2.75 374.5 15.6 Recover drill string 1330 30-Nov Bit at rotary table 6.5 381 15.88 Rig-up for 16-in casing 417 1-Dec Casing wet at 0417 hr 14.78 395.78 16.49 End making up casing 1040 1-Dec Detect crushed joint 6.38 402.17 16.76 Stop running casing 4 2-Dec Recover casing 13.4 415.57 17.32 Replace four joints and casing collar 1135 2-Dec Casing wet at 1135 hr 11.52 427.08 17.8 End repair of casing string 2008 2-Dec Reentry 4 8.55 435.63 18.15 Weather getting bad; heave = ~2.5 m 2315 2-Dec Clear seafloor 3.12 438.75 18.28 POOH due to heave = ~4 m 650 3-Dec Reentry 5 7.58 446.33 18.6 WOW for 5.75 hr 1730 3-Dec Land casing 10.67 457 19.04 Work stuck casing for 3.75 hr 1745 3-Dec Cement casing 0.25 457.25 19.05 30 bbl cement 2115 3-Dec Clear seafloor 3.5 460.75 19.2 Release CADA running tool 500 4-Dec CADA tool on surface 7.75 468.5 19.52 Detorque CADA tool 630 4-Dec Begin to run in hole 1.5 470 19.58 Make up bit 1: CC4 SN BX-020 1500 4-Dec Reentry 6 8.5 478.5 19.94 Quick reentry 1815 4-Dec Start to drill cement 3.25 481.75 20.07 Attempted core/dropped chisel 955 5-Dec Clear seafloor 15.67 497.42 20.73 Tested bottom of hole and found junk 1615 5-Dec Bit at rotary table 6.33 503.75 20.99 Change to Bowen fishing magnet 2358 5-Dec Reentry 7 7.72 511.47 21.31 Quick reentry 230 6-Dec Start fishing 2.53 514 21.42 Work junk baskets and magnet 1 hr 440 6-Dec Clear seafloor 2.17 516.17 21.51 Quick reentry 1130 6-Dec Bit at rotary table 6.83 523 21.79 Clean magnet; Bit 2: CC-7 SN BP-723 2130 6-Dec Reentry 8 10 533 22.21 1-hr search for cone 45 7-Dec Work junk basket 3.25 536.25 22.34 Work junk basket before coring 100 7-Dec Begin coring bit 2 0.25 536.5 22.35 Clean hole! 900 10-Dec End coring 80 616.5 25.69 Hr = 49.58; cored = 129.9 m (158.0 m in basement) 1203 10-Dec Work stuck pipe 3.05 619.55 25.81 Stuck when sinker bars pulled 1435 10-Dec Clear seafloor 2.53 622.08 25.92 2040 10-Dec Bit at rotary table 6.08 628.17 26.17 Bit 3: CC-7 SN BP-737 410 11-Dec Reentry 9 7.5 635.67 26.49 845 11-Dec Begin coring bit 3 4.58 640.25 26.68 2145 14-Dec End coring 85 725.25 30.22 Hr = 62.9; cored = 88.0 m (244.0 m in basement) 2340 14-Dec Clear seafloor 1.92 727.17 30.3 655 15-Dec Bit at rotary table 7.25 734.42 30.6 Bit 4: CC-9 SN BF-857, no junk basket 1435 15-Dec Reentry 10 7.67 742.08 30.92 Quick reentry 1800 15-Dec Begin coring bit 4 3.42 745.5 31.06 2200 18-Dec End coring 76 821.5 34.23 Hr = 57.8; cored = 77.0 m (321.0 m in basement) 2355 18-Dec Clear seafloor 1.92 823.42 34.31 740 19-Dec Bit at rotary table 7.75 831.17 34.63 1550 19-Dec Reentry 11 8.17 839.33 34.97 Bit 5: CC-9 SN BF-738 1915 19-Dec Begin coring bit 5 3.42 842.75 35.11 3 m soft fill 2000 22-Dec End coring 72.75 915.5 38.15 Hr = 59.4; cored = 84.0 m (405.0 m basement) 10 23-Dec Clear seafloor 4.17 919.67 38.32 625 23-Dec Bit at rotary table 6.25 925.92 38.58 Bit 6: CC-9 SN BF-740 1540 23-Dec Reentry 12 9.25 935.17 38.97 1 hr dt piperacker 1845 23-Dec Begin coring Bit 6 3.08 938.25 39.09 1145 27-Dec End coring 89 1027.25 42.8 Hr = 64.9; cored = 97.0 m (502.0 m basement) 1515 27-Dec Clear seafloor 3.5 1030.75 42.95 2300 27-Dec Bit at rotary table 7.75 1038.5 43.27 622 28-Dec Reentry 13 7.37 1045.87 43.58 Enter cone with logging BHA 915 28-Dec Rig-up for logging 2.88 1048.75 43.7 Recover VIT camera 1000 28-Dec Rig-up first log 0.75 1049.5 43.73 1930 30-Dec End logging 57.5 1107 46.13 BGR magnetometer (BGRM) did not work; two runs 2030 30-Dec Rig-down from logging 1 1108 46.17 Triple combo, FMS, BGRM, UBI, WST 2100 30-Dec Clear seafloor 0.5 1108.5 46.19 325 31-Dec Bit at rotary table 6.42 1114.92 46.45 330 31-Dec Underway to Balboa 0.08 1115 46.46 Beacon recovered after 45 days