SCHLUMBERGER Survey report 19-Aug-2009 16:20:47 Page 1 of 2 Client...................: JAMSTEC Field....................: Nankai-Kumano Well.....................: NT2-01 Spud date................: 02-Aug-2009 Service Order No. .......: 09JAP0003 Last survey date.........: 17-Aug-09 Engineer.................: Ito/Yang Total accepted surveys...: 17 MD of first survey.......: 0.00 m Rig:.....................: Chikyu MD of last survey........: 3107.18 m STATE:...................: JAPAN ----- Survey calculation methods------------- ----- Geomagnetic data ---------------------- Method for positions.....: Minimum curvature Magnetic model...........: BGGM version 2008 Method for DLS...........: Lubinski Magnetic date............: 02-Aug-2009 Magnetic field strength..: 916.55 HCNT ----- Depth reference ----------------------- Magnetic dec (+E/W-).....: -6.49 degrees Permanent datum..........: Mean Sea Level Magnetic dip.............: 46.59 degrees Depth reference..........: Driller's Depth GL above permanent.......: -2553.00 m ----- MWD survey Reference Criteria --------- KB above permanent.......: 28.30 m Reference G..............: 999.59 mGal DF above permanent.......: 28.30 m Reference H..............: 916.55 HCNT Reference Dip............: 46.59 degrees ----- Vertical section origin---------------- Tolerance of G...........: (+/-) 2.50 mGal Latitude (+N/S-).........: 0.00 m Tolerance of H...........: (+/-) 6.00 HCNT Departure (+E/W-)........: 0.00 m Tolerance of Dip.........: (+/-) 0.45 degrees ----- Platform reference point--------------- ----- Corrections --------------------------- Latitude (+N/S-).........: 3675829.00 m Magnetic dec (+E/W-).....: -6.49 degrees Departure (+E/W-)........: 657194.00 m Grid convergence (+E/W-).: 0.92 degrees Total az corr (+E/W-)....: -7.41 degrees Azimuth from Vsect Origin to target: 0.00 degrees (Total az corr = magnetic dec - grid conv) Survey Correction Type ...: I=Sag Corrected Inclination M=Schlumberger Magnetic Correction S=Shell Magnetic Correction F=Failed Axis Correction R=Magnetic Resonance Tool Correction D=Dmag Magnetic Correction [(c)2009 IDEAL ID14_0C_02] SCHLUMBERGER Survey Report 19-Aug-2009 16:20:47 Page 2 of 2 === ======== ====== ======= ====== ======== ======== ================ =============== ===== ===== ====== Seq Measured Incl Azimuth Course TVD Vertical Displ Displ Total At DLS Srvy Tool # depth angle angle length depth section +N/S- +E/W- displ Azim (deg/ tool Corr - (m) (deg) (deg) (m) (m) (m) (m) (m) (m) (deg) 10m) type (deg) === ======== ====== ======= ====== ======== ======== ================ =============== ===== ===== ====== 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TIP None 2 2562.22 0.81 227.96 2562.22 2562.13 -12.13 -12.13 -13.45 18.11 227.96 0.00 PUP None 3 2599.07 0.52 224.66 36.85 2598.98 -12.42 -12.42 -13.76 18.54 227.93 0.08 PUP None 4 2637.83 0.88 224.08 38.76 2637.74 -12.76 -12.76 -14.09 19.01 227.84 0.09 PUP None 5 2678.28 1.28 218.78 40.45 2678.18 -13.34 -13.34 -14.59 19.77 227.57 0.10 PUP None 6 2714.93 1.28 222.49 36.65 2714.82 -13.96 -13.96 -15.12 20.58 227.30 0.02 PUP None 7 2750.07 1.01 214.93 35.14 2749.96 -14.50 -14.50 -15.57 21.27 227.03 0.09 PUP None 8 2792.23 1.80 210.87 42.16 2792.10 -15.37 -15.37 -16.12 22.27 226.36 0.19 PUP None 9 2833.07 1.83 217.68 40.84 2832.92 -16.44 -16.44 -16.85 23.54 225.70 0.05 PUP None 10 2868.12 1.80 217.27 35.05 2867.95 -17.32 -17.32 -17.52 24.64 225.33 0.01 PUP None 11 2906.77 1.76 234.56 38.65 2906.59 -18.15 -18.15 -18.37 25.82 225.35 0.14 PUP None 12 2941.01 1.86 237.05 34.24 2940.81 -18.75 -18.75 -19.27 26.89 225.77 0.04 PUP None 13 2979.56 1.96 234.47 38.55 2979.34 -19.48 -19.48 -20.33 28.15 226.23 0.03 PUP None 14 3023.17 1.98 250.84 43.61 3022.92 -20.16 -20.16 -21.65 29.58 227.04 0.13 PUP None 15 3067.44 2.17 253.04 44.27 3067.16 -20.65 -20.65 -23.17 31.04 228.29 0.05 PUP None 16 3096.79 2.41 261.33 29.35 3096.49 -20.91 -20.91 -24.31 32.07 229.31 0.14 PUP None 17 3107.18 2.41 261.33 10.39 3106.87 -20.98 -20.98 -24.75 32.44 229.71 0.00 TD Projection [(c)2009 IDEAL ID14_0C_12]