On October 18, 2025, Halliburton (NYSE: HAL) and Aker BP completed the first subsea installation of a tubing hanger without the use of umbilicals, utilizing Halliburton’s Enhanced Remote Operated Control System (eROCS) and Optime Tubing Hanger Orientation System (OTHOS) on the Norwegian continental shelf. The operation marked a milestone in digital subsea control, enabling precise alignment of the vertical Christmas Tree tubing hanger without conventional orientation tools or blowout preventer alignment equipment.
The digital hydraulic control provided by eROCS and the OTHOS system allowed the installation to be performed with reduced planning and interface requirements, lower operational complexity, and decreased risk and cost. Halliburton’s senior vice president of Drilling and Evaluation, Josh Sears, noted that the successful field validation demonstrates the technology’s ability to increase rig flexibility and operational efficiency for offshore projects.
This breakthrough positions Halliburton as a leader in digital subsea solutions and expands its competitive moat in the offshore services market. By eliminating the need for umbilicals and traditional orientation tools, the company can offer clients a more streamlined, cost‑effective approach to subsea well operations, potentially opening new revenue opportunities and strengthening its market position in the North Sea and beyond.
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