Guwahati: One other try to cap the blowout of an Oil India Restricted (OIL) pure fuel nicely, which has been on fireplace since June 9 in Higher Assam’s Tinsukia district, failed on Monday as a consequence of technical glitches.
“The blowout preventer (BOP) stack was efficiently positioned over the wellhead. Whereas BOP stack alignment job was underway to insert the studs, one of many two bull strains linked to the Athey Wagon, which was lifting the BOP stack, got here out from the socket as a result of affect of extreme warmth,” stated an OIL assertion.
“From the security viewpoint and stability required for alignment of the BOP stack on the wellhead, specialists determined to soundly take away the BOP stack from the wellhead. Operations will resume after finishing up vital rectification jobs,” it added.
The BOP is a specialised valve — a tool used to seal management and monitor oil and pure fuel wells to forestall blowouts, or the uncontrolled launch of fuel or oil from a nicely. They’re normally put in in stacks of different valves.
An Athey Wagon is a tool used to put the BOP stack, which weighs round three tonnes. It consists of a track-mounted increase raise with a hook on one finish that’s used to put the BOP stack on the wellhead.
On July 31, specialists have been trying to put the BOP stack on the wellhead when the Athey Wagon “toppled over” resulting in the suspension of labor on capping the blowout.
The fuel nicely had a blowout on Could 27, when workover operation, or upkeep work, to find a brand new fuel reservoir was underway. Whereas efforts to cap the blow out have been underway, the nicely all of a sudden caught fireplace on June 9 and two firefighters have been killed within the blaze that’s but to be doused.
Set up of the BOP is the penultimate job wanted to finish the operation. As soon as the BOP is put in, the method of “killing the nicely” begins instantly.
In line with OIL officers, that’s performed by injecting a “kill fluid”, a sludge-like specifically ready mud, into the nicely slowly to push the fuel from the nicely again to the reservoir. The method takes round two-three days, because the fluid must fill the whole size of the three.5-kilometre deep nicely.
Initially, OIL had stated that the nicely can be plugged in a month. Later, the deadline was prolonged to July 7. However floods, technical glitches, and burn harm of three international specialists whereas trying to douse the fireplace have led to a number of delays.
For the reason that Baghjan nicely is positioned near Dibru Saikhowa Nationwide Park (DSNP) and the ecologically-sensitive Maguri Motapung Wetland, there have been fears of environmental harm to the realm as a result of blowout and fireplace.
A number of research by completely different companies are underway to measure the extent of the harm.
In June, the Nationwide Inexperienced Tribunal (NGT) had ordered the formation of an knowledgeable committee to probe the blowout and subsequent fireplace and assess the harm brought about to human life, wildlife, and the atmosphere due to the commercial catastrophe.