SCHLUMBERGER Survey report 8-Sep-2009 13:51:16 Page 1 of 3 Client...................: JAMSTEC Field....................: Nankai-Kumano Well.....................: NT2-11B Spud date................: 16-May-2009 JOB number...............: 09JAP0002 Last survey date.........: 02-Jul-09 Engineer.................: William B./Yoshio I. Total accepted surveys...: 34 MD of first survey.......: 0.00 m Rig:.....................: Chikyu MD of last survey........: 3592.00 m Country:.................: Japan ----- Survey calculation methods------------- ----- Geomagnetic data ---------------------- Method for positions.....: Minimum curvature Magnetic model...........: BGGM version 2008 Method for DLS...........: Lubinski Magnetic date............: 15-Jul-2009 Magnetic field strength..: 919.94 HCNT ----- Depth reference ----------------------- Magnetic dec (+E/W-).....: -6.59 degrees Permanent datum..........: Mean Sea Level Magnetic dip.............: 46.95 degrees Depth reference..........: Driller's Depth GL above permanent.......: -2061.00 m ----- MWD survey Reference Criteria --------- KB above permanent.......: 28.30 m Reference G..............: 999.61 mGal DF above permanent.......: 28.30 m Reference H..............: 919.94 HCNT Reference Dip............: 46.95 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-).........: 3703101.00 m Magnetic dec (+E/W-).....: -6.59 degrees Departure (+E/W-)........: 642732.31 m Grid convergence (+E/W-).: 0.85 degrees Total az corr (+E/W-)....: -7.44 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 8-Sep-2009 13:51:16 Page 2 of 3 === ======== ====== ======= ====== ======== ======== ================ =============== ===== ===== ====== 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 2082.00 0.00 0.00 2082.00 2082.00 0.00 0.00 0.00 0.00 0.00 0.00 PUP None 3 2137.87 0.30 332.71 55.87 2137.87 0.13 0.13 -0.07 0.15 332.71 0.05 PUP None 4 2174.02 0.15 66.33 36.15 2174.02 0.23 0.23 -0.07 0.24 343.94 0.10 PUP None 5 2214.16 0.24 61.50 40.14 2214.16 0.29 0.29 0.05 0.30 10.56 0.02 PUP None 6 2251.74 0.38 181.19 37.58 2251.74 0.21 0.21 0.12 0.24 30.37 0.14 PUP None 7 2327.80 0.21 217.97 76.06 2327.80 -0.15 -0.15 0.03 0.16 168.86 0.03 PUP None 8 2481.39 0.27 155.36 153.59 2481.39 -0.71 -0.71 0.01 0.71 179.34 0.02 PUP None 9 2520.03 0.09 165.79 38.64 2520.03 -0.82 -0.82 0.05 0.82 176.25 0.05 PUP None 10 2556.40 0.32 136.76 36.37 2556.40 -0.92 -0.92 0.13 0.93 171.94 0.07 PUP None 11 2634.48 0.37 139.46 78.08 2634.47 -1.27 -1.27 0.44 1.35 160.75 0.01 PUP None 12 2712.20 0.16 107.11 77.72 2712.19 -1.49 -1.49 0.71 1.65 154.55 0.03 PUP None 13 2749.79 0.70 137.91 37.59 2749.78 -1.68 -1.68 0.91 1.91 151.42 0.15 PUP None 14 2818.15 0.06 208.87 68.36 2818.14 -2.02 -2.02 1.18 2.34 149.77 0.10 PUP None 15 2854.57 0.06 211.78 36.42 2854.56 -2.05 -2.05 1.16 2.36 150.58 0.00 PUP None 16 2897.90 0.09 287.33 43.33 2897.89 -2.06 -2.06 1.11 2.34 151.63 0.02 PUP None 17 2927.95 0.12 180.06 30.05 2927.94 -2.09 -2.09 1.09 2.35 152.40 0.06 PUP None 18 2967.36 0.06 52.08 39.41 2967.35 -2.11 -2.11 1.11 2.39 152.37 0.04 PUP None 19 3005.41 0.10 237.05 38.05 3005.40 -2.12 -2.12 1.09 2.39 152.69 0.04 PUP None 20 3045.44 0.06 229.16 40.03 3045.43 -2.15 -2.15 1.05 2.40 154.01 0.01 PUP None 21 3083.61 0.06 266.85 38.17 3083.60 -2.17 -2.17 1.01 2.39 154.92 0.01 PUP None 22 3122.10 0.09 222.32 38.49 3122.09 -2.19 -2.19 0.97 2.40 156.03 0.02 PUP None 23 3159.07 0.03 315.23 36.97 3159.06 -2.21 -2.21 0.95 2.40 156.75 0.03 PUP None 24 3198.28 0.10 222.71 39.21 3198.27 -2.22 -2.22 0.92 2.41 157.58 0.03 PUP None 25 3237.12 0.14 80.78 38.84 3237.11 -2.24 -2.24 0.94 2.43 157.22 0.06 PUP None 26 3274.27 0.15 327.76 37.15 3274.26 -2.19 -2.19 0.96 2.39 156.35 0.07 PUP None 27 3313.21 0.12 44.75 38.94 3313.20 -2.12 -2.12 0.96 2.33 155.61 0.04 PUP None 28 3350.83 0.09 156.55 37.62 3350.82 -2.12 -2.12 1.00 2.34 154.72 0.05 PUP None 29 3386.58 0.10 189.00 35.75 3386.57 -2.18 -2.18 1.01 2.40 155.16 0.02 PUP None 30 3428.71 0.14 238.44 42.13 3428.70 -2.24 -2.24 0.96 2.44 156.84 0.03 PUP None [(c)2009 IDEAL ID14_0C_02] SCHLUMBERGER Survey Report 8-Sep-2009 13:51:16 Page 3 of 3 === ======== ====== ======= ====== ======== ======== ================ =============== ===== ===== ====== 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) === ======== ====== ======= ====== ======== ======== ================ =============== ===== ===== ====== 31 3503.76 0.06 193.81 75.05 3503.75 -2.33 -2.33 0.87 2.48 159.48 0.01 PUP None 32 3541.16 0.06 273.54 37.40 3541.15 -2.34 -2.34 0.85 2.49 160.15 0.02 PUP None 33 3568.31 0.10 59.40 27.15 3568.30 -2.33 -2.33 0.85 2.48 159.91 0.06 PUP None 34 3592.00 0.10 59.40 23.69 3591.99 -2.31 -2.31 0.89 2.47 158.97 0.00 Projection @ the bit [(c)2009 IDEAL ID14_0C_02]