PTTEP Australasia has announced that the initial attempt to pump heavy mud into the leaking well, which has been spilling oil into the Timor Sea off Australia's northwest for more than a month, has failed.
The process now is they have to attempt another pass but that sequence takes about another four days.
The team aboard the West Triton relief drilling rig will use surveys to intersect a piece of steel casing about 25cm in diameter, 2.6km below the seabed and inject the leak.
The intercept operation may involve several passes and complex calculations using sophisticated equipment and software to narrow down the exact location of the leaking well casing.
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