If your SEG-Y files are compliant with the Divestco Workstation Ready SEG-Y format, you can quickly and simply load the seismic into your project. The following tables list the format's mandatory parameters, as well as its byte offset and format specifications.
|
Required |
Preferred |
|---|---|
|
2D line number or 3D data area name |
Processing information and SEG-Y format information. |
|
Parameter |
Byte |
Format |
Details |
|---|---|---|---|
|
Sample interval |
17-18 |
16-bit integer |
Sample rate in microseconds |
|
Number of samples |
21-22 |
16-bit integer |
Number of samples per trace |
|
Sample format code |
25-26 |
16-bit integer |
Example: "6 - IEEE, 3 - INT16" |
|
User Bulk |
97-100 |
32-bit integer |
Time of the first sample in microseconds. |
|
Max Value |
109-112 |
IEEE float |
Maximum amplitude value |
|
Line Name |
301-321 |
Character |
Line name. |
|
Parameter |
Byte |
Format |
Details |
|---|---|---|---|
|
In-line |
9-12 |
32-bit integer |
In-line number in original dataset |
|
X-line |
13-16 |
32-bit integer |
X-line number in original dataset |
|
Shot Point |
17-20 |
IEEE float |
Shot Point |
|
Dead trace flag |
29-30 |
16-bit integer |
1 for live; 2 for dead |
|
CDP UTM x-coordinate |
81-84 |
IEEE float |
UTM x-coordinate of CDP |
|
CDP UTM y-coordinate |
85-88 |
IEEE float |
UTM y-coordinate of CDP |
Trace data samples must be written in IEEE float or 16-bit integer, depending on the data format code.
What do you want to do?