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WITSML Standards

WITSML™ is an industry initiative to provide open, non-proprietary, standard interfaces for technology and software that monitor and manage wells, completions and workovers.

The Problem that WITSML Solves

Digital oilfield of the future. iFields. eFields. Smart fields. These are all names for the industry efforts to use instrumentation and software to optimize operations in all domains for oil and gas exploration and production (E&P).


To achieve this goal, all of these technologies must work together—but often don’t because of incompatible data structures and designs.


WITSML standards:

Make integration of these technologies possible, enabling near-real-time production optimization and moving closer to realizing the benefits of the digital oilfield.


Are a low-cost, low-risk, and highly innovative environment for the configuration and running of advanced optimization processes.



While the goal of each of these standards is essentially the same—the ability to easily transfer drilling data—the technology is not.


Wellsite Information Transfer Specification (WITS) is an industry standard from the mid 1980s that uses a binary file format for transferring wellsite drilling data.

WITSML is Web-based and built on XML technology, which is both platform- and language-independent.


Some implementations of WITS may still exist, but all new development should be done using WITSML.


Standards Versions
Specifications that are widely deployed but no longer subject to upgrades and enhancements.
Those specifications that have successfully been through Energistics standards development processes and are ready for membership and public review prior to formal release as industry standards.
Version history includes deprecated versions and inactive draft versions.