Format
Log ASCII Standard Format
Summary
- Name
- Log ASCII Standard Format
- Version
- 3.0
- Identifiers
- PUID: fmt/391
- Format type
-
- Text (Structured)
- Dataset
- Description
- This is an outline record only, and requires further details, research or authentication to provide information that will enable users to further understand the format and to assess digital preservation risks associated with it if appropriate. If you are able to help by supplying any additional information concerning this entry, please return to the main PRONOM page and select ‘Add an Entry’.
- Note
- Specifications available at: http://www.cwls.org/las_info.php
- File extensions
-
las - Source
- Digital Preservation Department / The National Archives
- Developed by
- Canadian Well Logging Society / Canadian Well Logging Society
Relationships
- Is subsequent version of
Internal signatures
Log ASCII Standard 3.0
- Note
- Header ASCII: ~VERSION or ~Version, followed by version and standard information (VERS. 3.0 CWLS (LOG ASCII STANDARD|LAS) VERSION 3.0 and then mandatory logging Well Information section beginning ~W (ELL|ell)
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
7E56(455253494F4E|657273696F6E)*564552532E*332E30{0-1}3A{0-3}43574C5320(4C4F47204153434949205354414E44415244|4C4153){1-3}56455253494F4E20332E30*7E57(454C4C|656C6C)- Endianness
- None
Changelog
-
Added in V55
- Release date
- 4 January 2012
Log ASCII Standard Format 3.0: Signature developed through PRONOM Research.
Log ASCII Standard Format 3.0: Outline entry added.