The WITSML community is working on an update to WITSML v2.0, which will deliver WITSML v2.1. This version includes some bug fixes and an update of the directional survey portion of the model to make it in conformity with the latest thinking from the ISCWSA, who are the experts on well-bore surveying. The group is considering whether or not to carry over the sidewall core, conventional core and drilling target objects from 18.104.22.168.
The RESQML community is focused on completing the adoption of v2.0.1. In addition the community is working on guidelines for the use of ETP together with RESQML. Successful ILABs were completed in mid-May in Calgary, hosted by CMG, late August in Bordeaux hosted by F2I-Consulting and early December in Houston. The group prepared a live multi-vendor multi-cloud demonstration of RESQML that was shown at SEG 2018 in Anaheim (October), involving 6 software platforms from 5 vendors and 2 cloud instances. More on the pilot project and demonstration here.
PRODML v2.1 is now published and becomes the reference version.
PRODML v2.1 represents an incremental change from v2.0, making changes only where implementation experience found deficiencies in v2.0. The only significant addition is the implementation of the Pressure Transient Analysis (PTA) capability.
PRODML 2.1 is available on the Download page.
A pilot is underway between two operators in the Gulf of Mexico for regular partner data exchange.
The ETP v1.2 Release Candidate is available for review and comments.
The Energistics Transfer Protocol (ETP) specifies messages and behaviors for the efficient transfer of data between software applications and technologies, including real-time streaming. ETP has been designed to meet the special needs of oil and gas exploration and production (E&P) data, and particularly the WITSML, PRODML and RESQML data formats.
The current published version, ETP v1.1, has been deployed in several experimental and operational implementations. Results show ETP reduces data latency to about 1 second—from 10–15 seconds, which is typical of SOAP protocols. Also, ETP uses a binary encoding which requires 10x less bandwidth, compared to a purely XML format. These results mean faster, more efficient transfer of data for oil and gas operations, which ultimately supports faster and better decisions.
Based on real-world use and testing, ETP v1.2RC has an enhanced design and added features to support existing and new E&P workflows. Significant new capabilities include:
- More robust data-streaming protocols, which include a “simple streamer” for WITS-like data transfers, and two new streaming protocols—one producer-driven and one consumer-driven—to meet the various demands of real-time operations, including new workflows like auto-startup at the rig site.
- New protocols and improved design to better support all Energistics data models: WITSML, RESQML and PRODML. While technically ETP v1.1 supported all Energistics data models, ETP v1.2RC now includes: a re-designed shared Discovery protocol; a new companion Dataspaces protocol; and new capabilities such as the DataArray protocol to transfer large, binary arrays of heterogeneous data values (e.g., for RESQML interpretation and modeling data and PRODML DAS data); and the Transaction protocol to ensure successful completion or rollback of a set of related tasks.
- New query capabilities for Discovery, Store and GrowingObject protocols, which use an OData-like syntax. These advanced query capabilities help support existing and new industry workflows.
Additionally, ETP v1.2 (when published) and WITSML v2.0 can be considered a complete replacement for WITSML v22.214.171.124.
The ETP v1.2RC download package is a zip file that includes:
- Avro schemas for each message of each ETP subprotocol
- ETP v1.2RC Specification document (pdf file) that describes required behaviors
- An XMI file (which may be imported into any UML modeling tool)
- A feedback form (to capture and submit your comments and issues during your ETP testing)
Industry stakeholders and interested parties are requested to download the package, review all materials, and implement/test those protocols that are relevant to their organization.
Download the zip file here.
Comments and issues should be submitted starting now until March 31, 2020.
OPC-UA standards are focused on the control of equipment while Energistics’ standards deal with the transfer and exchange of real-time measurements and descriptive data. The two sets of standards complement each other, and together enable the process control and time/depth-related information required for automated drilling and production systems. To help IT and decision makers plan and deploy the standards, our two organizations have been working on a joint document that will map the roles of the respective standards. We expect to publish the first version in early H2 2018.