Text preview
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 Z Stacks VSP traces 24900 - 19800 ft.
C25 Enhanced downgoing after velocity filter
C26 Levels: 7
C27 BPF: 5 - 150 hz
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) : 9981
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 19800.00 19722.80 54.74 -10.10 -140.69 35.08 0
2 19850.00 19772.80 55.87 -10.10 -140.69 35.08 0
3 19900.00 19822.80 56.99 -9.10 -140.69 35.08 0
4 19950.00 19872.70 58.12 -8.10 -140.69 35.08 0
5 20000.00 19922.70 59.24 -7.10 -140.69 35.08 0
6 20050.00 19972.70 60.37 -7.10 -140.69 35.08 0
7 20100.00 20022.70 61.62 -6.10 -140.69 35.08 0
8 20150.00 20072.70 62.87 -5.10 -140.69 35.08 0
9 20200.00 20122.60 64.11 -4.10 -140.69 35.08 0
10 20250.00 20172.60 65.36 -3.10 -140.69 35.08 0
11 20300.00 20222.60 66.61 -2.10 -140.69 35.08 0
12 20350.00 20272.60 67.86 -2.10 -140.69 35.08 0
13 20400.00 20322.50 68.99 -1.10 -140.69 35.08 0
14 20450.00 20372.50 70.24 -0.10 -140.69 35.08 0
15 20500.00 20422.50 71.49 0.90 -140.69 35.08 0
16 20550.00 20472.50 72.74 1.90 -140.69 35.08 0
17 20600.00 20522.40 73.99 2.90 -140.69 35.08 0
18 20650.00 20572.40 75.36 3.90 -140.69 35.08 0
19 20700.00 20622.40 76.74 4.90 -140.69 35.08 0
20 20750.00 20672.40 78.11 5.90 -140.69 35.08 0
21 20800.00 20722.30 79.49 6.90 -140.69 35.08 0
22 20850.00 20772.30 80.99 7.90 -140.69 35.08 0
23 20900.00 20822.30 82.24 8.90 -140.69 35.08 0
24 20950.00 20872.20 83.61 9.90 -140.69 35.08 0
25 21000.00 20922.20 84.99 10.90 -140.69 35.08 0
26 21050.00 20972.20 86.36 11.90 -140.69 35.08 0
27 21100.00 21022.20 87.74 12.90 -140.69 35.08 0
28 21150.00 21072.10 88.99 13.90 -140.69 35.08 0
29 21200.00 21122.10 90.36 15.90 -140.69 35.08 0
30 21250.00 21172.10 91.61 16.90 -140.69 35.08 0
31 21300.00 21222.00 92.86 17.90 -140.69 35.08 0
32 21350.00 21272.00 94.24 18.90 -140.69 35.08 0
33 21400.00 21322.00 95.49 19.90 -140.69 35.08 0
34 21450.00 21371.90 96.86 20.90 -140.69 35.08 0
35 21500.00 21421.90 97.86 21.90 -140.69 35.08 0
36 21550.00 21471.90 98.74 21.90 -140.69 35.08 0
37 21600.00 21521.90 99.24 21.90 -140.69 35.08 0
38 21650.00 21571.90 99.74 22.90 -140.69 35.08 0
39 21700.00 21621.90 100.11 22.90 -140.69 35.08 0
40 21750.00 21671.90 100.49 22.90 -140.69 35.08 0
41 21800.00 21721.90 100.86 22.90 -140.69 35.08 0
42 21850.00 21771.90 101.11 23.90 -140.69 35.08 0
43 21900.00 21821.90 101.24 23.90 -140.69 35.08 0
44 21950.00 21871.90 101.49 24.90 -140.69 35.08 0
45 22000.00 21921.90 101.61 24.90 -140.69 35.08 0
46 22050.00 21971.90 101.86 24.90 -140.69 35.08 0
47 22100.00 22021.90 102.11 25.90 -140.69 35.08 0
48 22150.00 22071.90 102.36 25.90 -140.69 35.08 0
49 22200.00 22121.90 102.61 26.90 -140.69 35.08 0
50 22250.00 22171.90 102.86 26.90 -140.69 35.08 0
51 22300.00 22221.90 103.11 27.90 -140.69 35.08 0
52 22350.00 22271.90 103.36 27.90 -140.69 35.08 0
53 22400.00 22321.90 103.61 28.90 -140.69 35.08 0
54 22450.00 22371.90 103.99 28.90 -140.69 35.08 0
55 22500.00 22421.90 104.49 29.90 -140.69 35.08 0
56 22550.00 22471.80 104.99 30.90 -140.69 35.08 0
57 22600.00 22521.80 105.49 31.90 -140.69 35.08 0
58 22650.00 22571.80 105.86 31.90 -140.69 35.08 0
59 22700.00 22621.80 106.11 32.90 -140.69 35.08 0
60 22750.00 22671.80 106.49 33.90 -140.69 35.08 0
61 22800.00 22721.80 106.86 34.90 -140.69 35.08 0
62 22850.00 22771.80 107.24 34.90 -140.69 35.08 0
63 22900.00 22821.80 107.86 35.90 -140.69 35.08 0
64 22950.00 22871.80 108.36 36.90 -140.69 35.08 0
65 23000.00 22921.80 108.86 37.90 -140.69 35.08 0
66 23050.00 22971.80 109.49 38.90 -140.69 35.08 0
67 23100.00 23021.70 109.99 39.90 -140.69 35.08 0
68 23150.00 23071.70 110.49 40.90 -140.69 35.08 0
69 23200.00 23121.70 110.99 41.90 -140.69 35.08 0
70 23250.00 23171.70 111.49 42.90 -140.69 35.08 0
71 23300.00 23221.70 111.86 43.90 -140.69 35.08 0
72 23350.00 23271.70 112.49 44.90 -140.69 35.08 0
73 23400.00 23321.70 112.99 45.90 -140.69 35.08 0
74 23450.00 23371.60 113.61 46.90 -140.69 35.08 0
75 23500.00 23421.60 114.24 48.90 -140.69 35.08 0
76 23550.00 23471.60 114.86 49.90 -140.69 35.08 0
77 23600.00 23521.60 115.49 50.90 -140.69 35.08 0
78 23650.00 23571.60 116.11 51.90 -140.69 35.08 0
79 23700.00 23621.60 116.74 52.90 -140.69 35.08 0
80 23750.00 23671.60 117.36 52.90 -140.69 35.08 0
81 23800.00 23721.60 117.86 53.90 -140.69 35.08 0
82 23850.00 23771.50 118.49 53.90 -140.69 35.08 0
83 23900.00 23821.50 119.11 54.90 -140.69 35.08 0
84 23950.00 23871.50 119.49 55.90 -140.69 35.08 0
85 24000.00 23921.50 119.74 56.90 -140.69 35.08 0
86 24050.00 23971.50 119.74 57.90 -140.69 35.08 0
87 24100.00 24021.50 119.74 58.90 -140.69 35.08 0
88 24150.00 24071.50 119.24 59.90 -140.69 35.08 0
89 24200.00 24121.40 118.61 61.90 -140.69 35.08 0
90 24250.00 24171.40 117.11 63.90 -140.69 35.08 0
91 24300.00 24221.30 115.49 65.90 -140.69 35.08 0
92 24350.02 24271.22 113.36 67.90 -140.69 35.08 0
93 24400.02 24321.22 111.36 69.90 -140.69 35.08 0
94 24450.02 24371.12 109.24 71.90 -140.69 35.08 0
95 24500.00 24420.90 107.11 74.90 -140.69 35.08 0
96 24550.00 24470.80 104.74 76.90 -140.69 35.08 0
97 24600.00 24520.70 102.36 78.90 -140.69 35.08 0
98 24650.00 24570.60 99.99 81.90 -140.69 35.08 0
99 24700.00 24620.50 97.61 83.90 -140.69 35.08 0
100 24750.00 24670.40 95.11 86.90 -140.69 35.08 0
101 24800.00 24720.20 92.61 88.90 -140.69 35.08 0
102 24850.00 24770.10 90.11 91.90 -140.69 35.08 0
103 24900.00 24820.00 87.61 93.90 -140.69 35.08 0