Log ASCII Standard
General Information
| Title | LAS File Extension |
| Extension | .las |
| Full Form | Log ASCII Standard |
| File Type | Well Log Data File |
| Developer | American Petroleum Institute |
| MIME Type | text/plain |
File Function
| Primary Function | Store geophysical data |
| Additional Functions | Data exchange, Analysis |
| Features | ASCII format, Human-readable |
File Characteristics
| Quality | High precision |
| Supports Layers | No |
| Supports Transparency | No |
| Editable | Yes |
Use Cases
| Oil and gas exploration | Yes |
| Environmental studies | Yes |
| Geotechnical analysis | Yes |
Security and Practices
| Security Risks | Data manipulation |
| Best Practices | Data validation, Integrity checks |
Historical/Version Information
| Initial Release | 1989 |
| Latest Version | LAS 3.0 (2009) |
Associated Types
| Similar Extensions | .dlis, .xpt, .csv, .txt |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Schlumberger Petrel |
Commercial | Windows |
| INT LogView |
Commercial | Windows |
| Golden Software Surfer |
Commercial | Windows |