Thailand’s PTTEP has submitted a plan for the suspension of three wells to Australia’s National Offshore Petroleum Safety and Environmental Management Authority (NOPSEMA).
NOPSEMA mentioned that it acquired the plan
on 30 April 2020 from two PTTEP subsidiaries, PTTEP Australasia and PTTEP
Australia Timor Sea.
PTTEP Australasia is the 100 per cent
titleholder of the AC/RL12 title space whereas PTTEP Australia Timor Sea is the
100 per cent titleholder of the AC/RL4.
The title areas are positioned in a
distant space of the Timor Sea, over 260 kilometres northwest of the Kimberley
shoreline of Western Australia, and a few 640 km west of Darwin.
They are positioned in an space of shared
jurisdiction with Indonesia known as the Perth Treaty Area. As such, the title
areas and the petroleum exercise lined by this EP are positioned outdoors of the
Australian Exclusive Economic Zone (EEZ) and the Australian Fishing Zone (AFZ).
According to the offshore regulator, this
EP covers the continuing suspension of three wells – Oliver-1 ST1, Oliver-2, and
Tenacious West-1 ST1.
The wellheads are presently suspended
on the seabed, remoted from the hydrocarbon zone and assessed as having
sufficient examined effectively obstacles. The wells will proceed to be suspended till they
are plugged and deserted, which is scheduled to happen in 2022.
As a part of this EP, a remotely
operated automobile (ROV) inspection of the three wells will likely be carried out which
will validate the present effectively barrier standing and inform future everlasting plug
and abandonment plans for the wells.
The ROV will likely be deployed from a vessel
to find the three wellheads and carry out visible inspection and leak testing
actions. The inspections are anticipated to take between 2 and 6 hours per
The inspection marketing campaign will likely be
carried out as quickly as technically and virtually potential, with the intention
for this to be in carried out within the first or second quarter of 2021.
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