Transcription of SEG Y rev 1Release 1
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SEG Y rev 1 Data Exchange format1 SEG Technical Standards Committee2 Release , May 2002 1 2001, Society of Exploration Geophysicist. All rights reserved. 2 Editors Michael W. Norris and Alan K. Faichney SEG Y rev 1 May 2002 iiContent 1. 1 2. 1 UNCHANGED 1 CHANGES FROM REV 0 TO REV 1 .. 1 1 CONTROLLING 1 1 3. SEG Y FILE STRUCTURE .. 2 RECORDING 2 FILE 3 NUMBER 3 VARYING TRACE 3 4 4. TEXTUAL FILE HEADER .. 4 5. BINARY FILE HEADER .. 6 6. EXTENDED TEXTUAL FILE 9 STRUCTURE OF EXTENDED TEXTUAL 10 ENDTEXT 11 STANZA 11 7. DATA TRACES ..12 TRACE 12 TRACE 20 APPENDIX A. WRITING SEG Y DATA TO A DISK FILE .. 20 APPENDIX B. SEG Y TAPE LABELS .. 21 APPENDIX C. BLOCKING OF SEG Y FILES ON 23 APPENDIX D. EXTENDED TEXTUAL STANZAS .. 24 D-1. LOCATION 24 Stanza for Location Data .. 24 Example Stanza for Location Data .. 26 D-2. BIN GRID 27 Stanza for Bin Grid 27 Example for Bin Grid Definition.
and encapsulation scheme used must be acceptable to both the provider and recipient of the data. One important class of media that does not conform to the variable length record model is the disk file, which is defined on modern systems as a byte stream without any structure. It has become common practice
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