Dibrugarh, June 25: Oil and Natural Gas Corporation (ONGC) has achieved a significant milestone in its ongoing well control operations at the RDS wellsite, even as environmental and logistical challenges persist.
As part of its carefully coordinated response, ONGC successfully removed 42 tubing stands from the rig’s derrick using an extra-long boom crane and a 40-ton crane. This critical step has cleared the way for the safe removal of the rig base from the wellhead.
The next phase will see the dismantling of the existing Blowout Preventer (BOP), followed by the installation of a capping stack. ONGC has stated that a temporary increase in gas discharge is expected during this transition. However, the discharged gas is non-toxic, and the volume has been significantly reduced. The company emphasized that there is no risk to inhabitants residing beyond a 500-metre radius.
Water blanketing operations continue uninterrupted as part of ONGC’s multi-layered safety strategy. Technical partner CUDD remains on-site, ensuring all operations are executed with precision and caution.
“Rising water levels in the Dikhow River have introduced new logistical hurdles,” ONGC said in a statement. “In response, teams are proactively relocating high-capacity pumps to ensure continuous support for critical safety systems.”
Ambient air quality around the wellsite continues to be rigorously monitored, with all key parameters remaining well within permissible limits. Medical and relief camps also remain operational to support both personnel and local residents.
ONGC reiterated its commitment to operational excellence, environmental stewardship, and community safety, and affirmed its determination to bring this complex operation to a safe and successful conclusion.
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