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C1 CLIENT NAME: Shell E&P CONTRACTOR NAME: Schlumberger
C2 AREA NAME: De Soto Canyon 353 WELL NAME: OCS-G 25852 001 ST00BP00
C3 VSP SURVEY TYPE/DESCRIPTION: Zero Offset VSP SURVEY DATE: 3-Aug-2007
C4 TAPE FORMAT: SEGY RECORDING FORMAT: LDF MEASUREMENT SYSTEM: FT
C5 UTM WELL COORD: EASTING: 1351440.76 NORTHING: 10382516.1
C6 PERMANENT DATUM: MSL
C7 VSP LOG DATUM: KB KB ELEVATION ABOVE MSL: 75 ft.
C8
C9
C10
C11
C12 OFFSET FROM WELL HEAD:SOURCE: 145 ft. SOURCE MONITOR: 145 ft.
C13 AZIMUTH FROM WELL HEAD: 284 deg. SOURCE: SOURCE MONITOR: 284 deg.
C14 ELEVATION:SOURCE: -10 ft. SOURCE MONITOR: -10 ft.
C15 SOURCE TYPE: ITAGA AIRGUN ARRAY
C16 FIRING PRESSURE: 2000 PSI
C18 DOWNHOLE SENSOR TYPE: ACCELROMETER
C19 TOOL: 3-LEVEL VSI
C20
C21 PROCESSING HISTOR, PROCESSING CONTRACTOR, NO. FILES ON TAPE
C22 DESCRIPTION OF FILES, FILE CONTENT,
C23
C24 Raw Stacks Y Axis
C25
C26
C27
C29
C30
C31
C32
C33
C34
C35
C36
C37
C38 GEODETIC DATUM: PROJECTION: CENTRAL MERIDIAN:
C39 SPHERIOD: ORIGO: GRID ROTATION IN SECOND:
C40 END EBCDIC
************************* Binary Heading *************************
Job Identification (Bytes 1- 4) : 0
Line Number (Bytes 5- 8) : 1
Reel Number (Bytes 9-12) : 2
Traces per record (Bytes 13-14) : 1
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) : 9991
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 7500.00 7425.00 0.12 -0.10 -140.69 35.08 0
2 7550.00 7475.00 0.12 -0.10 -140.69 35.08 0
3 7600.00 7525.00 0.12 -0.10 -140.69 35.08 0
4 7900.00 7825.00 0.61 -0.10 -140.69 35.08 0
5 7950.00 7875.00 0.74 -0.10 -140.69 35.08 0
6 8000.00 7925.00 0.74 -0.10 -140.69 35.08 0
7 8400.00 8324.99 -0.01 -1.10 -140.69 35.08 0
8 8450.00 8374.99 -0.01 -1.10 -140.69 35.08 0
9 8500.00 8424.99 0.12 -1.10 -140.69 35.08 0
10 8900.00 8824.98 0.61 -2.10 -140.69 35.08 0
11 8950.00 8874.98 0.61 -2.10 -140.69 35.08 0
12 9000.00 8924.98 0.61 -2.10 -140.69 35.08 0
13 9400.00 9324.98 1.11 -2.10 -140.69 35.08 0
14 9450.00 9374.98 0.99 -2.10 -140.69 35.08 0
15 9500.00 9424.98 1.11 -2.10 -140.69 35.08 0
16 9900.00 9824.97 2.37 -4.10 -140.69 35.08 0
17 9950.00 9874.97 2.37 -4.10 -140.69 35.08 0
18 10000.00 9924.97 2.24 -4.10 -140.69 35.08 0
19 10400.00 10325.00 1.61 -3.10 -140.69 35.08 0
20 10450.00 10375.00 1.99 -3.10 -140.69 35.08 0
21 10500.00 10425.00 2.37 -4.10 -140.69 35.08 0
22 10900.00 10824.90 4.99 -5.10 -140.69 35.08 0
23 10950.00 10874.90 5.37 -6.10 -140.69 35.08 0
24 11000.00 10924.90 5.74 -7.10 -140.69 35.08 0
25 11400.00 11324.90 6.62 -12.10 -140.69 35.08 0
26 11450.00 11374.90 6.49 -12.10 -140.69 35.08 0
27 11500.00 11424.90 6.37 -13.10 -140.69 35.08 0
28 11900.00 11824.80 3.99 -18.10 -140.69 35.08 0
29 11950.00 11874.80 3.62 -19.10 -140.69 35.08 0
30 12000.00 11924.80 3.12 -19.10 -140.69 35.08 0
31 12400.00 12324.80 -0.39 -24.10 -140.69 35.08 0
32 12450.00 12374.80 -1.14 -24.10 -140.69 35.08 0
33 12500.00 12424.80 -1.89 -25.10 -140.69 35.08 0
34 12900.00 12824.70 -7.88 -26.10 -140.69 35.08 0
35 12950.00 12874.70 -8.88 -26.10 -140.69 35.08 0
36 13000.00 12924.70 -10.01 -27.10 -140.69 35.08 0
37 13400.00 13324.60 -16.89 -27.10 -140.69 35.08 0
38 13450.00 13374.60 -17.51 -27.10 -140.69 35.08 0
39 13500.00 13424.60 -18.14 -27.10 -140.69 35.08 0
40 13900.00 13824.60 -22.89 -30.10 -140.69 35.08 0
41 13950.00 13874.60 -23.26 -31.10 -140.69 35.08 0
42 14000.00 13924.60 -23.64 -31.10 -140.69 35.08 0
43 14400.00 14324.50 -26.51 -36.10 -140.69 35.08 0
44 14450.00 14374.50 -26.76 -37.10 -140.69 35.08 0
45 14500.00 14424.50 -26.76 -38.10 -140.69 35.08 0
46 14900.00 14824.40 -28.89 -44.10 -140.69 35.08 0
47 14950.00 14874.40 -29.26 -45.10 -140.69 35.08 0
48 15000.00 14924.40 -29.51 -46.10 -140.69 35.08 0
49 15400.00 15324.30 -33.76 -55.10 -140.69 35.08 0
50 15450.00 15374.30 -34.26 -56.10 -140.69 35.08 0
51 15500.00 15424.30 -34.63 -57.10 -140.69 35.08 0
52 15900.00 15824.20 -27.01 -55.10 -140.69 35.08 0
53 15950.00 15874.10 -25.64 -54.10 -140.69 35.08 0
54 16000.00 15924.10 -24.26 -54.10 -140.69 35.08 0
55 16400.00 16323.90 -16.89 -49.10 -140.69 35.08 0
56 16450.00 16373.90 -17.39 -49.10 -140.69 35.08 0
57 16500.00 16423.90 -17.76 -49.10 -140.69 35.08 0
58 16900.00 16823.90 -15.13 -49.10 -140.69 35.08 0
59 16950.00 16873.90 -14.26 -48.10 -140.69 35.08 0
60 17000.00 16923.90 -13.51 -48.10 -140.69 35.08 0
61 17400.00 17323.80 -5.26 -46.10 -140.69 35.08 0
62 17450.00 17373.80 -4.01 -45.10 -140.69 35.08 0
63 17500.00 17423.80 -2.76 -45.10 -140.69 35.08 0
64 17900.00 17823.60 7.74 -38.10 -140.69 35.08 0
65 17950.00 17873.60 9.12 -38.10 -140.69 35.08 0
66 18000.00 17923.50 10.37 -37.10 -140.69 35.08 0
67 18400.00 18323.30 20.74 -30.10 -140.69 35.08 0
68 18450.00 18373.30 22.11 -30.10 -140.69 35.08 0
69 18500.00 18423.30 23.36 -29.10 -140.69 35.08 0
70 18900.00 18823.10 33.37 -23.10 -140.69 35.08 0
71 18950.00 18873.10 34.62 -22.10 -140.69 35.08 0
72 19000.00 18923.10 35.87 -21.10 -140.69 35.08 0
73 19400.00 19322.90 45.24 -16.10 -140.69 35.08 0
74 19450.00 19372.90 46.37 -15.10 -140.69 35.08 0
75 19500.00 19422.90 47.62 -14.10 -140.69 35.08 0
76 19800.00 19722.80 54.74 -10.10 -140.69 35.08 0
77 19850.00 19772.80 55.87 -10.10 -140.69 35.08 0
78 19900.00 19822.80 56.99 -9.10 -140.69 35.08 0
79 19950.00 19872.70 58.12 -8.10 -140.69 35.08 0
80 20000.00 19922.70 59.24 -7.10 -140.69 35.08 0
81 20050.00 19972.70 60.37 -7.10 -140.69 35.08 0
82 20100.00 20022.70 61.62 -6.10 -140.69 35.08 0
83 20150.00 20072.70 62.87 -5.10 -140.69 35.08 0
84 20200.00 20122.60 64.11 -4.10 -140.69 35.08 0
85 20250.00 20172.60 65.36 -3.10 -140.69 35.08 0
86 20300.00 20222.60 66.61 -2.10 -140.69 35.08 0
87 20350.00 20272.60 67.86 -2.10 -140.69 35.08 0
88 20400.00 20322.50 68.99 -1.10 -140.69 35.08 0
89 20450.00 20372.50 70.24 -0.10 -140.69 35.08 0
90 20500.00 20422.50 71.49 0.90 -140.69 35.08 0
91 20550.00 20472.50 72.74 1.90 -140.69 35.08 0
92 20600.00 20522.40 73.99 2.90 -140.69 35.08 0
93 20650.00 20572.40 75.36 3.90 -140.69 35.08 0
94 20700.00 20622.40 76.74 4.90 -140.69 35.08 0
95 20750.00 20672.40 78.11 5.90 -140.69 35.08 0
96 20800.00 20722.30 79.49 6.90 -140.69 35.08 0
97 20850.00 20772.30 80.99 7.90 -140.69 35.08 0
98 20900.00 20822.30 82.24 8.90 -140.69 35.08 0
99 20950.00 20872.20 83.61 9.90 -140.69 35.08 0
100 21000.00 20922.20 84.99 10.90 -140.69 35.08 0
101 21050.00 20972.20 86.36 11.90 -140.69 35.08 0
102 21100.00 21022.20 87.74 12.90 -140.69 35.08 0
103 21150.00 21072.10 88.99 13.90 -140.69 35.08 0
104 21200.00 21122.10 90.36 15.90 -140.69 35.08 0
105 21250.00 21172.10 91.61 16.90 -140.69 35.08 0
106 21300.00 21222.00 92.86 17.90 -140.69 35.08 0
107 21350.00 21272.00 94.24 18.90 -140.69 35.08 0
108 21400.00 21322.00 95.49 19.90 -140.69 35.08 0
109 21450.00 21371.90 96.86 20.90 -140.69 35.08 0
110 21500.00 21421.90 97.86 21.90 -140.69 35.08 0
111 21550.00 21471.90 98.74 21.90 -140.69 35.08 0
112 21600.00 21521.90 99.24 21.90 -140.69 35.08 0
113 21650.00 21571.90 99.74 22.90 -140.69 35.08 0
114 21700.00 21621.90 100.11 22.90 -140.69 35.08 0
115 21750.00 21671.90 100.49 22.90 -140.69 35.08 0
116 21800.00 21721.90 100.86 22.90 -140.69 35.08 0
117 21850.00 21771.90 101.11 23.90 -140.69 35.08 0
118 21900.00 21821.90 101.24 23.90 -140.69 35.08 0
119 21950.00 21871.90 101.49 24.90 -140.69 35.08 0
120 22000.00 21921.90 101.61 24.90 -140.69 35.08 0
121 22050.00 21971.90 101.86 24.90 -140.69 35.08 0
122 22100.00 22021.90 102.11 25.90 -140.69 35.08 0
123 22150.00 22071.90 102.36 25.90 -140.69 35.08 0
124 22200.00 22121.90 102.61 26.90 -140.69 35.08 0
125 22250.00 22171.90 102.86 26.90 -140.69 35.08 0
126 22300.00 22221.90 103.11 27.90 -140.69 35.08 0
127 22350.00 22271.90 103.36 27.90 -140.69 35.08 0
128 22400.00 22321.90 103.61 28.90 -140.69 35.08 0
129 22450.00 22371.90 103.99 28.90 -140.69 35.08 0
130 22500.00 22421.90 104.49 29.90 -140.69 35.08 0
131 22550.00 22471.80 104.99 30.90 -140.69 35.08 0
132 22600.00 22521.80 105.49 31.90 -140.69 35.08 0
133 22650.00 22571.80 105.86 31.90 -140.69 35.08 0
134 22700.00 22621.80 106.11 32.90 -140.69 35.08 0
135 22750.00 22671.80 106.49 33.90 -140.69 35.08 0
136 22800.00 22721.80 106.86 34.90 -140.69 35.08 0
137 22850.00 22771.80 107.24 34.90 -140.69 35.08 0
138 22900.00 22821.80 107.86 35.90 -140.69 35.08 0
139 22950.00 22871.80 108.36 36.90 -140.69 35.08 0
140 23000.00 22921.80 108.86 37.90 -140.69 35.08 0
141 23050.00 22971.80 109.49 38.90 -140.69 35.08 0
142 23100.00 23021.70 109.99 39.90 -140.69 35.08 0
143 23150.00 23071.70 110.49 40.90 -140.69 35.08 0
144 23200.00 23121.70 110.99 41.90 -140.69 35.08 0
145 23250.00 23171.70 111.49 42.90 -140.69 35.08 0
146 23300.00 23221.70 111.86 43.90 -140.69 35.08 0
147 23350.00 23271.70 112.49 44.90 -140.69 35.08 0
148 23400.00 23321.70 112.99 45.90 -140.69 35.08 0
149 23450.00 23371.60 113.61 46.90 -140.69 35.08 0
150 23500.00 23421.60 114.24 48.90 -140.69 35.08 0
151 23550.00 23471.60 114.86 49.90 -140.69 35.08 0
152 23600.00 23521.60 115.49 50.90 -140.69 35.08 0
153 23650.00 23571.60 116.11 51.90 -140.69 35.08 0
154 23700.00 23621.60 116.74 52.90 -140.69 35.08 0
155 23750.00 23671.60 117.36 52.90 -140.69 35.08 0
156 23800.00 23721.60 117.86 53.90 -140.69 35.08 0
157 23850.00 23771.50 118.49 53.90 -140.69 35.08 0
158 23900.00 23821.50 119.11 54.90 -140.69 35.08 0
159 23950.00 23871.50 119.49 55.90 -140.69 35.08 0
160 24000.00 23921.50 119.74 56.90 -140.69 35.08 0
161 24050.00 23971.50 119.74 57.90 -140.69 35.08 0
162 24100.00 24021.50 119.74 58.90 -140.69 35.08 0
163 24150.00 24071.50 119.24 59.90 -140.69 35.08 0
164 24200.00 24121.40 118.61 61.90 -140.69 35.08 0
165 24250.00 24171.40 117.11 63.90 -140.69 35.08 0
166 24300.00 24221.30 115.49 65.90 -140.69 35.08 0
167 24350.02 24271.22 113.36 67.90 -140.69 35.08 0
168 24400.02 24321.22 111.36 69.90 -140.69 35.08 0
169 24450.02 24371.12 109.24 71.90 -140.69 35.08 0
170 24500.00 24420.90 107.11 74.90 -140.69 35.08 0
171 24550.00 24470.80 104.74 76.90 -140.69 35.08 0
172 24600.00 24520.70 102.36 78.90 -140.69 35.08 0
173 24650.00 24570.60 99.99 81.90 -140.69 35.08 0
174 24700.00 24620.50 97.61 83.90 -140.69 35.08 0
175 24750.00 24670.40 95.11 86.90 -140.69 35.08 0
176 24800.00 24720.20 92.61 88.90 -140.69 35.08 0
177 24850.00 24770.10 90.11 91.90 -140.69 35.08 0
178 24900.00 24820.00 87.61 93.90 -140.69 35.08 0