Opening DLIS Files

The DLIS file type is primarily associated with DlisBrowser.

DLIS	File extension: DLIS
	File type:	well log

What is a DLIS file?

DLIS files mostly belong to DlisBrowser by DlisBrowser. A DLIS file is a data log generated by sensors mounted in petroleum wells. Such a data log is saved in the database format defined by the Digital Log Interchange Standard. The contents of a DLIS log file are structured as a database of oil well metrics such as porosity, sonics, resistivity, and other information which are used to determine whether a formation contains hydrocarbons in commercial quantities. Programs such as DlisBrowser, PPDM Data Model, and EzTools may be used to view and analyze logs saved in DLIS files. This format is obsolete.

How can I open a DLIS file?

You need a suitable software like DlisBrowser to open a DLIS file. You need a suitable software like DlisBrowser from DlisBrowser to open a DLIS file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your DLIS file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a DLIS file directly in the browser:. Just drag the file onto this browser window and drop it.

Online DLIS Text Viewer

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Online File Viewer

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Can't Open Your .DLIS File? Try These Steps

Because .DLIS files can originate from various specialized programs, they aren't universally openable.

Identify the Source: These files typically come from oil and gas professionals or well-logging workflows, suggesting specialized petrophysical software.
Check the Header: Open the file in a hex viewer to inspect its first bytes.
- "V" or version numbers often imply a standard well log database.
- "PK" indicates a zipped archive.
- Readable XML/JSON suggests a text-based export.
Use the Original Software: The original program is usually required; try tools like DlisBrowser, Schlumberger Techlog, or Interactive Petrophysics, or ask the sender if uncertain.
Use this Webpage: Drag and drop your file into our viewer to detect its format, extract readable metadata, and preview the contents when possible.

Technical Data for DLIS File Extension

File classification:

Database

Related files:

lis, las, ezl

Related links:

PPDM Data Model, EzTools

a dlis well log is a special file format by DlisBrowser and should only be edited and saved with the appropriate software.

How to solve problems with DLIS files

Associate the DLIS file extension with the correct application.
Update your software that should actually open well logs. Because only the current version supports the latest DLIS file format. Search, therefore, e.g. on the DlisBrowser manufacturer website after an available DlisBrowser update.
To make sure that your DLIS file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .DLIS file online - secure, fast, and no downloads needed.