L&T Energy Hydrocarbon Offshore Secures Large ONGC Order for Ratna-I, NLM-14 Projects

The order covers engineering, procurement, construction, installation and commissioning (EPCIC) of three new well-head platforms, one riser platform, multiple segments of subsea pipelines and cables, along with brownfield modifications to existing offshore installations.
The projects are aimed at enhancing production and supporting the continued development of ONGC's offshore assets in the region.
LTEH Offshore provides integrated EPCIC solutions for the offshore oil and gas industry, backed by in-house engineering capabilities, fabrication facilities and a dedicated fleet of marine vessels. The company has executed shallow-water and deep-water developments across global markets.
Over the past four decades, LTEH Offshore has delivered projects involving fixed platforms, subsea pipelines and structures, brownfield upgrades and offshore decommissioning.
Parthasarathi Chatterjee, Senior Vice President & Head – L&T Energy Hydrocarbon Offshore, said, “The ADR-I and NLM-14 developments are significant additions to India's offshore energy infrastructure and demonstrate the continued investment in enhancing production from established offshore assets. These projects combine new offshore facilities with brownfield modifications in existing operating fields, calling for careful planning, engineering integration and precise execution. Drawing on our extensive offshore EPCIC experience, we look forward to delivering these developments safely and efficiently, while supporting ONGC’s long-term production objectives.”
Published on:
10 September 2026
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