It’s been three months since a pure fuel properly operated by Oil India Restricted (OIL) at Baghjan in Tinsukia district of Assam had a blowout and caught fireplace two weeks later. However efforts to douse the flame have failed until date.
Additionally learn: At Baghjan OIL blowout website, endangered species in danger, says report
On August 17, international consultants engaged by OIL had been in a position to cap the properly by inserting a blow out preventer (BOP) stack over the properly head. However the issue surfaced two days later when makes an attempt had been made to douse the hearth by ‘killing the properly’.
To kill a properly, a “kill fluid”, sludge-like specifically ready mud, is injected into the properly slowly to push the fuel from it again to the reservoir. The properly at Baghjan is round 3.5 km deep and the operation to douse the hearth was anticipated to be over throughout the subsequent 36 hours.
However the operation needed to be suspended on August 19 following rupture of a casing valve. The setback has pressured the consultants to plug all technical glitches earlier than making one other try to douse the hearth.
“Work is underway on the properly website and we’re one other killing try within the subsequent few days. Earlier than that, the consultants are doing a little extra cementing work to strengthen the annulus (gaps between casing pipes),” mentioned OIL spokesperson Tridiv Hazarika on Thursday.
“We now have accomplished practically 70% of that work. We must always be capable of make one other try at killing the properly in one other 2-3 days. If issues go as per plans, the whole operation could possibly be over in a single week,” he added.
With the primary try to douse the hearth failing, Hazarika mentioned that OIL can also be different extra time consuming choices like reducing the whole broken portion of the casing pipes and changing them with new ones or to dig up a aid properly, which is used to intercept and kill a blowout properly.
“Since we now have already positioned the BOP, we’re additionally contemplating producing fuel from the properly partially. If we’re in a position to do this, then the killing operation shall be barely simpler as a result of the strain of the fuel shall be lowered,” he mentioned.
The blowout _ uncontrolled launch of fuel or oil _ throughout an operation to find a brand new fuel reservoir occurred on Might 27. On June 9, the properly caught fireplace, killing two firefighters, destroyed over a dozen close by homes and displaced hundreds of residents from close by areas.
Initially, OIL had mentioned it might take a month to cap the properly and douse the hearth. Later, the deadline was prolonged to July 7. However floods and technical points stored including to the delay whereas hundreds of residents proceed to stay affected.
At current, two aid camps are in operation the place round 3,600 individuals from areas near the properly are taking shelter. Based on OIL, round 2,700 households have been surveyed until date for compensation.
“The loud noise from the properly, which began on Might 27, nonetheless continues to have an effect on residents. Gentle vibrations are occurring now and again. Until date, nobody from OIL has approached us to take inventory of damages suffered because of the blowout and fireplace,” mentioned Hiren Senapoti, a resident of Natun Rongagora village.
Because the Baghjan properly is positioned near Dibru Saikhowa Nationwide Park and the ecologically delicate Maguri Motapung Wetland, there have been fears of environmental harm to the world. Research by completely different businesses had been commissioned to measure extent of injury.
In June, Nationwide Inexperienced Tribunal (NGT) ordered formation of an skilled committee to probe the blowout and subsequent fireplace and assess the harm prompted to human life, wildlife and surroundings due to it.
“Maguri Motapung Wetland is a vital nesting website for a lot of migratory birds. We had been anticipating the blowout to be capped and the hearth doused inside a month, however with the delay, it would have an effect on their arrival,” mentioned Deborshee Gogoi, assistant professor at Digboi School and wildlife cartoonist and chook fanatic.
“The migratory birds begin arriving at Maguri Motapung from September. However this yr, they may not come because of the noise from the blowout and likewise due to harm to the wetland on account of oil condensate getting blended with within the water our bodies of the world,” he added.
Based on OIL estimates, round 1 lakh commonplace cubic meter (SCM) of fuel has bought launched each day from the properly __ that’s practically 90 lakh SCM of fuel because the blowout. The Baghjan incident has affected manufacturing in different close by oil and fuel wells resulting in losses of round Rs 40 cr.