WITSML is the upstream oil and gas data-transfer standard for specifying and exchanging data for wells and well-related operations and objects, such as drilling, logging, and mud logging.

Beginning with v2.0, WITSML now uses the Energistics Transfer Protocol (ETP) as its application program interface (API). WITSML v2.0 uses ETP v1.1. For more information, see ETP v1.1 and WITSMLv2.0 for ETP v1.1 Implementation Specification.

WITSML v2.0 uses these components of the Energistics Common Technical Architecture:
Amendment History
Std VersionDoc VersionDateSummary of Changes



First publication.