New Delhi: The oil well in Duliajan which was leaking water uncontrollably since October 19 night has been capped successfully on October 22, Oil India Limited (OIL) said on X, formerly known as Twitter. “#OIL successfully capped uncontrolled flow of fluid (mainly water) from shut in well NHK-67 of OIL near #Duliajan at around 12:44 pm today by in-house Crisis Management Team (#CMT) and internal Task Force of OIL. Subsequently, well has been killed with pressure reading zero,” said OIL. The pressure at the well read zero after the capping operation was completed, said OIL.
“Energy Warriors of @OilIndiaLimited evaded a catastrophic Blowout near Duliajan, Assam, by successfully capping the Well NHK 67 today at 12.44 pm, which started releasing uncontrolled water flow around 9.30 PM on 19th Oct. The well has now been killed with the pressure reading Zero,” said Puri on X.
The theft of an X-mas tree atop a well in Bordubi area had caused water and sad to gush out of the well uncontrollably. The X-mas tree is an apparatus which is an assembly of valves, spools, pressure gauges and chokes fitted to the wellhead of a completed well to control oil and gas production.
In a statement released on October 20, OIL said, “Reportedly, miscreants have completely cut and stole the entire X-Mass tree above the adapter of OIL’s well no. NHK-67 at Gazal Basti near Duliajan leading to uncontrolled flow of well fluids, mainly water, from the well head. The incident was reported at around 9:30 pm on 19th October, 2023. OIL has lodged an FIR with the local police and informed the District Administration Authority.”
The well was being developed under the Production Enhancement Contract regime with a private contractor, KIRI Energy Private Ltd of Gujarat, said the OIL spokesperson.