Text preview
C 1 CLIENT !
C 2 LINE !
C 3 DATE: 30-Jan-2009 PROCESSOR: SCHLUMBERGER
C 4 TOOL TYPE: SVWD
C 5 DATA TRACES/RECORD: 1 !
C 6 SAMPLE INTERVAL: 4000 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: airgun array
C12 SOURCE LOCATION: offset:vertical incident azi:vert inc elev:-20 ft
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: Murphy Expl. and Prod.
C24 WELL: OCS-G 10440 001 ST00BP00
C25 FIELD: DeSoto Canyon 48
C26 !
C27 PROCESSING STEP: Realtime VSP (downhole hydrophone)
C28 waveshape 6-30 Hz in two-way time
C29 TRACE 1 IS !
C30 !
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 !
************************* Binary Heading *************************
Job Identification (Bytes 1- 4) : 0
Line Number (Bytes 5- 8) : -999
Reel Number (Bytes 9-12) : 1
Traces per record (Bytes 13-14) : 1
Aux Traces per record (Bytes 15-16) : 0
Sample Interval (uS) (Bytes 17-18) : 4000
Original Sample Interval (uS) (Bytes 19-20) : 0
Samples per data trace (Bytes 21-22) : 1251
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 11002.75 10136.94 1847.72 346.58 1828.10 325.90 0
2 11291.70 10278.98 2096.23 385.99 2067.00 368.40 0
3 11388.32 10327.50 2179.11 396.52 2149.80 383.30 0
4 11484.47 10375.98 2261.45 407.22 2232.40 397.90 0
5 11580.69 10424.49 2343.52 420.24 2315.00 412.70 0
6 11772.42 10520.94 2505.91 453.16 2480.20 442.10 0
7 11868.76 10569.32 2587.42 470.37 2563.60 457.00 0
8 11965.32 10617.99 2669.46 485.40 2646.20 471.70 0
9 12059.74 10665.60 2749.84 499.06 2727.90 486.30 0
10 12156.04 10713.40 2832.13 513.80 2810.50 501.00 0
11 12251.82 10760.76 2913.96 529.12 2893.10 515.70 0
12 12347.82 10808.43 2995.92 544.14 2975.70 530.40 0
13 12444.03 10855.93 3078.60 556.97 3058.30 545.10 0
14 12540.95 10903.26 3162.20 569.81 3141.70 560.00 0
15 12636.63 10949.84 3244.72 582.99 3224.30 574.70 0
16 12730.46 10995.49 3325.59 596.42 3304.30 589.00 0
17 12826.49 11042.24 3408.29 610.48 3386.90 603.70 0
18 12923.15 11089.44 3491.43 624.74 3470.30 618.60 0
19 13019.49 11136.25 3574.33 639.46 3552.90 633.30 0
20 13116.18 11182.80 3657.78 654.25 3636.40 648.20 0
21 13212.27 11229.10 3740.90 667.68 3719.00 662.90 0
22 13308.27 11275.37 3823.94 681.05 3801.50 677.60 0
23 13404.87 11321.87 3907.45 695.07 3885.00 692.50 0
24 13501.15 11368.20 3990.59 709.60 3967.60 707.20 0
25 13596.96 11414.42 4073.19 724.45 4050.20 722.00 0
26 13692.52 11460.94 4155.28 739.56 4132.70 736.70 0
27 13789.14 11508.00 4238.12 755.62 4215.30 751.40 0
28 13884.70 11554.59 4320.02 771.54 4297.90 766.10 0
29 13981.60 11601.98 4403.26 786.20 4381.40 781.00 0
30 14078.64 11649.31 4486.63 801.23 4464.80 795.90 0
31 14174.72 11696.28 4569.03 816.58 4546.50 810.40 0
32 14270.85 11743.12 4651.41 832.70 4629.10 825.20 0
33 14364.61 11788.77 4731.78 848.42 4710.00 839.60 0
34 14460.33 11835.38 4814.11 862.98 4792.60 854.30 0
35 14556.16 11882.24 4896.48 877.24 4875.20 869.00 0
36 14652.00 11929.00 4978.79 892.19 4957.80 883.70 0
37 14748.33 11976.19 5061.36 907.49 5040.30 898.40 0
38 14845.04 12023.49 5144.36 922.58 5123.80 913.30 0
39 14941.59 12070.52 5227.65 935.67 5207.20 928.20 0
40 15037.89 12117.47 5310.87 947.68 5289.80 942.90 0
41 15134.38 12164.64 5394.27 959.13 5372.40 957.60 0
42 15230.54 12211.63 5477.31 971.03 5455.00 972.40 0
43 15326.97 12258.63 5560.55 983.69 5538.40 987.20 0
44 15423.21 12305.67 5643.44 997.06 5621.00 1002.00 0
45 15518.13 12352.23 5725.12 1010.15 5702.80 1016.50 0
46 15613.35 12398.27 5807.29 1024.08 5784.50 1031.10 0
47 15709.57 12444.17 5890.39 1039.79 5867.90 1046.00 0
48 15805.65 12490.28 5973.17 1055.69 5950.50 1060.70 0
49 15902.28 12536.82 6056.26 1072.00 6033.10 1075.40 0
50 15998.80 12583.32 6139.11 1089.05 6116.60 1090.30 0
51 16094.75 12629.42 6221.35 1106.85 6199.10 1105.00 0
52 16191.37 12675.72 6304.24 1124.79 6281.70 1119.70 0
53 16288.05 12722.17 6387.21 1142.24 6365.20 1134.60 0
54 16383.33 12767.97 6468.92 1159.69 6446.90 1149.20 0
55 16480.63 12814.80 6552.56 1176.38 6529.50 1163.90 0
56 16575.23 12860.37 6633.98 1192.00 6612.10 1178.60 0
57 16670.92 12906.20 6716.69 1206.63 6693.80 1193.20 0
58 16766.56 12952.85 6798.91 1221.15 6776.40 1207.90 0
59 16861.43 12999.20 6880.30 1236.21 6858.10 1222.50 0