Sercel announced that it has been awarded a major contract by India’s Oil and Natural Gas Corporation (ONGC) to supply a large-scale 528 cable-based land seismic acquisition solution.

The order includes three 528 acquisition systems, representing a total of 24,000 channels, and 24,000 SG-5 geophones, with delivery scheduled before year end.

ONGC will deploy the systems on oil and gas exploration surveys across difficult-to-access terrain in India during the 2026 acquisition season. This landmark deal represents one of the largest deployments of the new-generation 528 system to date in the region.

Building on the commercial momentum of the 528 since its launch in 2024, this sale highlights industry recognition of its unmatched operational flexibility, reduced power consumption, and lightweight design. With its scalable architecture, it can also be seamlessly adapted to the diverse requirements of ONGC’s upcoming survey operations. The SG-5 geophones, known for their high-sensitivity low-frequency performance, high signal fidelity and durability, will further enhance the quality of seismic data acquired during the surveys.

Jerome Denigot, CEO of Sercel, said: “We are proud to support ONGC’s exploration projects with our advanced 528 cable-based system. This contract highlights the confidence our customers place in our technology which is robust, reliable and increases productivity, even in the most complex operational settings. With this latest success, Sercel continues to expand its footprint across key energy markets, reaffirming its position as a global leader in geophysical sensing solutions.”

About Viridien

Viridien is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and responsibly resolve complex natural resource, digital, energy transition and infrastructure challenges. Viridien employs around 3,400 people worldwide and is listed as VIRI on the Euronext Paris SA (ISIN: FR001400PVN6).

About Sercel

Sercel is a pioneer in measuring, monitoring and understanding Earth’s subsurface to provide high-standard solutions to its customers. Since 1956, Sercel has combined advanced technologies and geoscience to deliver the most precise data. This data-driven approach empowers its customers to make well-informed, confident decisions.

About Oil and Natural Gas Corporation Limited (ONGC)

Having discovered seven out of the eight producing basins of India, ONGC has the largest exploration acreage in the country and is the holder of the largest mining license in India. ONGC has steadfastly maintained a Reserve Replenishment Ratio (RRR) of more than one (2P reserves) for the last ten years. ONGC produces 63 percent of the India ’s Oil & Natural Gas. ONGC has a unique distinction of being a company with in-house service capabilities in all areas of exploration and production of oil and gas and related oil-field services.