C 1 CLIENT Chevron USA Inc. ! C 2 LINE ZVSP ! C 3 DATE: 19-Oct-04 PROCESSOR: SCHLUMBERGER ! C 4 TOOL TYPE: VSI ! C 5 DATA TRACES/RECORD: 3 ! C 6 SAMPLE INTERVAL: 6447 SAMPLES/TRACE ! C 7 RECORDING FORMAT: SEGY MEASUREMENT SYSTEM: FT ! C 8 SAMPLE CODE: 32 BIT FLOATING POINT ! C 9 GAIN TYPE: ! C10 FILTERS ALIAS HZ NOTCH HZ BAND - HZ SLOPE - DB/OCT C11 SOURCE TYPE: Itaga Airgun ! C12 SOURCE LOCATION: offset:150 ft, azi:180 deg, elev:-12 ft ! C13 SWEEP: START HZ END HZ LENGTH MS ! C14 TAPER: START LENGTH MS END LENGTH MS TYPE ! C15 SPREAD: ! C16 GEOPHONES: ! C17 PATTERN: ! C18 TRACES SORTED BY: ! C19 AMPLITUDE RECOVERY: ! C20 MAP PROJECTION ZONE ID COORDINATE UNITS ! C21 PROCESSING: ! C22 ! C23 COMPANY: Chevron USA Inc. ! C24 WELL: OCS-G 19409 001 ST00BP00 ! C25 FIELD: Alaminos Canyon 815 ! C26 ! C27 PROCESSING STEP: Raw VSP field stacks ! C28 ! C29 Trace 1 is vertical Z-axis, trace 2 is horizontal Y-axis ! C30 trace 3 is horizontal X-axis ! C31 ! C32 ************************ Default Header Byte Locations *******************! C33 Shot No 9-12 Depth Coefficient 69-70 ! C34 Coordinate Coefficient 71-72 X Source 73-76 ! C35 Source Offset 37-40 Transit Time 107-108 Y Source 77-80 ! C36 Measured Depth 41-44 Recording Delay 109-110 X Receiver 81-84 ! C37 TVD 53-56 Number of Samples 115-116 Y Receiver 85-88 ! C38 *************** Migrated Data Default Header byte locations **************! C39 CDP X 81-84 CDP Y 85-88 ! C40 CDP Offset 41-44 CDP Number 21-24 ! ************************* Binary Heading ************************* Job Identification (Bytes 1- 4) : 0 Line Number (Bytes 5- 8) : 1 Reel Number (Bytes 9-12) : 3 Traces per record (Bytes 13-14) : 3 Aux Traces per record (Bytes 15-16) : 0 Sample Interval (uS) (Bytes 17-18) : 1000 Original Sample Interval (uS) (Bytes 19-20) : 0 Samples per data trace (Bytes 21-22) : 6447 Original Samples per data trace (Bytes 23-24) : 0 Data sample format code (Bytes 25-26) : 1 1=Floating Point 4 byte 2=Fixed Point 4 byte 3=Fixed Point 2 byte 4=Fixed Point with gain 4 byte 5=IEEE Floating Point 4 byte CDP Fold (Bytes 27-28) : 0 Trace Sorting Code (Bytes 29-30) : 0 Vertical Sum Code (Bytes 31-32) : 0 Sweep Frequency at start (Bytes 33-34) : 0 Sweep Frequency at end (Bytes 35-36) : 0 Sweep Length (mSec) (Bytes 37-38) : 0 Sweep Type code (Bytes 39-40) : 0 Trace number of sweep channel (Bytes 41-42) : 0 Sweep Trace taper at start (Bytes 43-44) : 0 Sweep Trace taper at end (Bytes 45-46) : 0 Taper Type (Bytes 47-48) : 0 Correlated Data (1=N, 2=Y) (Bytes 49-50) : 0 Binary Gain Recovered (1=Y, 2=N) (Bytes 51-52) : 0 Amplitude Recovery Method (Bytes 53-54) : 0 Measurement System (1=m, 2=ft) (Bytes 55-56) : 2 Rec MD TVD REC X REC Y SRC X SRC Y TOFD ****** ********* ********* ********* ********* ********* ********* ****** ------ 41-44 53-56 81-84 85-88 73-76 77-80 109-110 ****** ********* ********* ********* ********* ********* ********* ****** 1 9259.00 9167.00 0.00 0.00 0.00 -150.00 0 2 9259.00 9167.00 0.00 0.00 0.00 -150.00 0 3 9259.00 9167.00 0.00 0.00 0.00 -150.00 0 4 9309.00 9217.00 0.00 0.00 0.00 -150.00 0 5 9309.00 9217.00 0.00 0.00 0.00 -150.00 0 6 9309.00 9217.00 0.00 0.00 0.00 -150.00 0 7 9350.00 9258.00 0.00 0.00 0.00 -150.00 0 8 9350.00 9258.00 0.00 0.00 0.00 -150.00 0 9 9350.00 9258.00 0.00 0.00 0.00 -150.00 0 10 9400.00 9308.00 0.00 0.00 0.00 -150.00 0 11 9400.00 9308.00 0.00 0.00 0.00 -150.00 0 12 9400.00 9308.00 0.00 0.00 0.00 -150.00 0 13 9850.00 9758.00 0.00 0.00 0.00 -150.00 0 14 9850.00 9758.00 0.00 0.00 0.00 -150.00 0 15 9850.00 9758.00 0.00 0.00 0.00 -150.00 0 16 9900.00 9808.00 0.00 0.00 0.00 -150.00 0 17 9900.00 9808.00 0.00 0.00 0.00 -150.00 0 18 9900.00 9808.00 0.00 0.00 0.00 -150.00 0 19 10350.00 10258.00 0.00 0.00 0.00 -150.00 0 20 10350.00 10258.00 0.00 0.00 0.00 -150.00 0 21 10350.00 10258.00 0.00 0.00 0.00 -150.00 0 22 10400.00 10308.00 0.00 0.00 0.00 -150.00 0 23 10400.00 10308.00 0.00 0.00 0.00 -150.00 0 24 10400.00 10308.00 0.00 0.00 0.00 -150.00 0 25 10850.00 10758.00 0.00 0.00 0.00 -150.00 0 26 10850.00 10758.00 0.00 0.00 0.00 -150.00 0 27 10850.00 10758.00 0.00 0.00 0.00 -150.00 0 28 10900.00 10808.00 0.00 0.00 0.00 -150.00 0 29 10900.00 10808.00 0.00 0.00 0.00 -150.00 0 30 10900.00 10808.00 0.00 0.00 0.00 -150.00 0 31 11350.00 11258.00 0.00 0.00 0.00 -150.00 0 32 11350.00 11258.00 0.00 0.00 0.00 -150.00 0 33 11350.00 11258.00 0.00 0.00 0.00 -150.00 0 34 11400.00 11308.00 0.00 0.00 0.00 -150.00 0 35 11400.00 11308.00 0.00 0.00 0.00 -150.00 0 36 11400.00 11308.00 0.00 0.00 0.00 -150.00 0 37 11850.00 11758.00 0.00 0.00 0.00 -150.00 0 38 11850.00 11758.00 0.00 0.00 0.00 -150.00 0 39 11850.00 11758.00 0.00 0.00 0.00 -150.00 0 40 11900.00 11808.00 0.00 0.00 0.00 -150.00 0 41 11900.00 11808.00 0.00 0.00 0.00 -150.00 0 42 11900.00 11808.00 0.00 0.00 0.00 -150.00 0 43 12400.00 12308.00 0.00 0.00 0.00 -150.00 0 44 12400.00 12308.00 0.00 0.00 0.00 -150.00 0 45 12400.00 12308.00 0.00 0.00 0.00 -150.00 0 46 12450.00 12358.00 0.00 0.00 0.00 -150.00 0 47 12450.00 12358.00 0.00 0.00 0.00 -150.00 0 48 12450.00 12358.00 0.00 0.00 0.00 -150.00 0 49 12500.00 12408.00 0.00 0.00 0.00 -150.00 0 50 12500.00 12408.00 0.00 0.00 0.00 -150.00 0 51 12500.00 12408.00 0.00 0.00 0.00 -150.00 0 52 12550.00 12458.00 0.00 0.00 0.00 -150.00 0 53 12550.00 12458.00 0.00 0.00 0.00 -150.00 0 54 12550.00 12458.00 0.00 0.00 0.00 -150.00 0 55 12600.00 12508.00 0.00 0.00 0.00 -150.00 0 56 12600.00 12508.00 0.00 0.00 0.00 -150.00 0 57 12600.00 12508.00 0.00 0.00 0.00 -150.00 0 58 12650.00 12558.00 0.00 0.00 0.00 -150.00 0 59 12650.00 12558.00 0.00 0.00 0.00 -150.00 0 60 12650.00 12558.00 0.00 0.00 0.00 -150.00 0 61 12700.00 12608.00 0.00 0.00 0.00 -150.00 0 62 12700.00 12608.00 0.00 0.00 0.00 -150.00 0 63 12700.00 12608.00 0.00 0.00 0.00 -150.00 0 64 12750.00 12658.00 0.00 0.00 0.00 -150.00 0 65 12750.00 12658.00 0.00 0.00 0.00 -150.00 0 66 12750.00 12658.00 0.00 0.00 0.00 -150.00 0 67 12800.00 12708.00 0.00 0.00 0.00 -150.00 0 68 12800.00 12708.00 0.00 0.00 0.00 -150.00 0 69 12800.00 12708.00 0.00 0.00 0.00 -150.00 0 70 12850.00 12758.00 0.00 0.00 0.00 -150.00 0 71 12850.00 12758.00 0.00 0.00 0.00 -150.00 0 72 12850.00 12758.00 0.00 0.00 0.00 -150.00 0 73 12900.00 12808.00 0.00 0.00 0.00 -150.00 0 74 12900.00 12808.00 0.00 0.00 0.00 -150.00 0 75 12900.00 12808.00 0.00 0.00 0.00 -150.00 0 76 12950.00 12858.00 0.00 0.00 0.00 -150.00 0 77 12950.00 12858.00 0.00 0.00 0.00 -150.00 0 78 12950.00 12858.00 0.00 0.00 0.00 -150.00 0 79 13000.00 12908.00 0.00 0.00 0.00 -150.00 0 80 13000.00 12908.00 0.00 0.00 0.00 -150.00 0 81 13000.00 12908.00 0.00 0.00 0.00 -150.00 0 82 13050.00 12958.00 0.00 0.00 0.00 -150.00 0 83 13050.00 12958.00 0.00 0.00 0.00 -150.00 0 84 13050.00 12958.00 0.00 0.00 0.00 -150.00 0 85 13100.00 13008.00 0.00 0.00 0.00 -150.00 0 86 13100.00 13008.00 0.00 0.00 0.00 -150.00 0 87 13100.00 13008.00 0.00 0.00 0.00 -150.00 0 88 13150.00 13058.00 0.00 0.00 0.00 -150.00 0 89 13150.00 13058.00 0.00 0.00 0.00 -150.00 0 90 13150.00 13058.00 0.00 0.00 0.00 -150.00 0 91 13200.00 13108.00 0.00 0.00 0.00 -150.00 0 92 13200.00 13108.00 0.00 0.00 0.00 -150.00 0 93 13200.00 13108.00 0.00 0.00 0.00 -150.00 0 94 13250.00 13158.00 0.00 0.00 0.00 -150.00 0 95 13250.00 13158.00 0.00 0.00 0.00 -150.00 0 96 13250.00 13158.00 0.00 0.00 0.00 -150.00 0 97 13300.00 13208.00 0.00 0.00 0.00 -150.00 0 98 13300.00 13208.00 0.00 0.00 0.00 -150.00 0 99 13300.00 13208.00 0.00 0.00 0.00 -150.00 0 100 13350.00 13258.00 0.00 0.00 0.00 -150.00 0 101 13350.00 13258.00 0.00 0.00 0.00 -150.00 0 102 13350.00 13258.00 0.00 0.00 0.00 -150.00 0 103 13400.00 13308.00 0.00 0.00 0.00 -150.00 0 104 13400.00 13308.00 0.00 0.00 0.00 -150.00 0 105 13400.00 13308.00 0.00 0.00 0.00 -150.00 0 106 13450.00 13358.00 0.00 0.00 0.00 -150.00 0 107 13450.00 13358.00 0.00 0.00 0.00 -150.00 0 108 13450.00 13358.00 0.00 0.00 0.00 -150.00 0 109 13500.00 13408.00 0.00 0.00 0.00 -150.00 0 110 13500.00 13408.00 0.00 0.00 0.00 -150.00 0 111 13500.00 13408.00 0.00 0.00 0.00 -150.00 0 112 13550.00 13458.00 0.00 0.00 0.00 -150.00 0 113 13550.00 13458.00 0.00 0.00 0.00 -150.00 0 114 13550.00 13458.00 0.00 0.00 0.00 -150.00 0 115 13600.00 13508.00 0.00 0.00 0.00 -150.00 0 116 13600.00 13508.00 0.00 0.00 0.00 -150.00 0 117 13600.00 13508.00 0.00 0.00 0.00 -150.00 0 118 13650.00 13558.00 0.00 0.00 0.00 -150.00 0 119 13650.00 13558.00 0.00 0.00 0.00 -150.00 0 120 13650.00 13558.00 0.00 0.00 0.00 -150.00 0 121 13700.00 13608.00 0.00 0.00 0.00 -150.00 0 122 13700.00 13608.00 0.00 0.00 0.00 -150.00 0 123 13700.00 13608.00 0.00 0.00 0.00 -150.00 0 124 13750.00 13658.00 0.00 0.00 0.00 -150.00 0 125 13750.00 13658.00 0.00 0.00 0.00 -150.00 0 126 13750.00 13658.00 0.00 0.00 0.00 -150.00 0 127 13800.00 13708.00 0.00 0.00 0.00 -150.00 0 128 13800.00 13708.00 0.00 0.00 0.00 -150.00 0 129 13800.00 13708.00 0.00 0.00 0.00 -150.00 0 130 13850.00 13758.00 0.00 0.00 0.00 -150.00 0 131 13850.00 13758.00 0.00 0.00 0.00 -150.00 0 132 13850.00 13758.00 0.00 0.00 0.00 -150.00 0 133 13900.00 13808.00 0.00 0.00 0.00 -150.00 0 134 13900.00 13808.00 0.00 0.00 0.00 -150.00 0 135 13900.00 13808.00 0.00 0.00 0.00 -150.00 0 136 13950.00 13858.00 0.00 0.00 0.00 -150.00 0 137 13950.00 13858.00 0.00 0.00 0.00 -150.00 0 138 13950.00 13858.00 0.00 0.00 0.00 -150.00 0 139 14000.00 13908.00 0.00 0.00 0.00 -150.00 0 140 14000.00 13908.00 0.00 0.00 0.00 -150.00 0 141 14000.00 13908.00 0.00 0.00 0.00 -150.00 0 142 14050.00 13958.00 0.00 0.00 0.00 -150.00 0 143 14050.00 13958.00 0.00 0.00 0.00 -150.00 0 144 14050.00 13958.00 0.00 0.00 0.00 -150.00 0 145 14100.00 14008.00 0.00 0.00 0.00 -150.00 0 146 14100.00 14008.00 0.00 0.00 0.00 -150.00 0 147 14100.00 14008.00 0.00 0.00 0.00 -150.00 0 148 14150.00 14058.00 0.00 0.00 0.00 -150.00 0 149 14150.00 14058.00 0.00 0.00 0.00 -150.00 0 150 14150.00 14058.00 0.00 0.00 0.00 -150.00 0 151 14200.00 14108.00 0.00 0.00 0.00 -150.00 0 152 14200.00 14108.00 0.00 0.00 0.00 -150.00 0 153 14200.00 14108.00 0.00 0.00 0.00 -150.00 0 154 14250.00 14158.00 0.00 0.00 0.00 -150.00 0 155 14250.00 14158.00 0.00 0.00 0.00 -150.00 0 156 14250.00 14158.00 0.00 0.00 0.00 -150.00 0 157 14300.00 14208.00 0.00 0.00 0.00 -150.00 0 158 14300.00 14208.00 0.00 0.00 0.00 -150.00 0 159 14300.00 14208.00 0.00 0.00 0.00 -150.00 0 160 14350.00 14258.00 0.00 0.00 0.00 -150.00 0 161 14350.00 14258.00 0.00 0.00 0.00 -150.00 0 162 14350.00 14258.00 0.00 0.00 0.00 -150.00 0 163 14400.00 14308.00 0.00 0.00 0.00 -150.00 0 164 14400.00 14308.00 0.00 0.00 0.00 -150.00 0 165 14400.00 14308.00 0.00 0.00 0.00 -150.00 0 166 14450.00 14358.00 0.00 0.00 0.00 -150.00 0 167 14450.00 14358.00 0.00 0.00 0.00 -150.00 0 168 14450.00 14358.00 0.00 0.00 0.00 -150.00 0 169 14500.00 14408.00 0.00 0.00 0.00 -150.00 0 170 14500.00 14408.00 0.00 0.00 0.00 -150.00 0 171 14500.00 14408.00 0.00 0.00 0.00 -150.00 0 172 14550.00 14458.00 0.00 0.00 0.00 -150.00 0 173 14550.00 14458.00 0.00 0.00 0.00 -150.00 0 174 14550.00 14458.00 0.00 0.00 0.00 -150.00 0 175 14600.00 14508.00 0.00 0.00 0.00 -150.00 0 176 14600.00 14508.00 0.00 0.00 0.00 -150.00 0 177 14600.00 14508.00 0.00 0.00 0.00 -150.00 0 178 14650.00 14558.00 0.00 0.00 0.00 -150.00 0 179 14650.00 14558.00 0.00 0.00 0.00 -150.00 0 180 14650.00 14558.00 0.00 0.00 0.00 -150.00 0 181 14700.00 14608.00 0.00 0.00 0.00 -150.00 0 182 14700.00 14608.00 0.00 0.00 0.00 -150.00 0 183 14700.00 14608.00 0.00 0.00 0.00 -150.00 0 184 14716.00 14624.00 0.00 0.00 0.00 -150.00 0 185 14716.00 14624.00 0.00 0.00 0.00 -150.00 0 186 14716.00 14624.00 0.00 0.00 0.00 -150.00 0 187 14750.00 14658.00 0.00 0.00 0.00 -150.00 0 188 14750.00 14658.00 0.00 0.00 0.00 -150.00 0 189 14750.00 14658.00 0.00 0.00 0.00 -150.00 0 190 14766.00 14674.00 0.00 0.00 0.00 -150.00 0 191 14766.00 14674.00 0.00 0.00 0.00 -150.00 0 192 14766.00 14674.00 0.00 0.00 0.00 -150.00 0