Alcoa refuses to rule out mining the Perth Hills
A letter from the US miner raised hope that the jarrah forest inland from Perth would escape its strip mining for bauxite, but Alcoa is keeping its options open.
Oil and gas producers are required to plug and abandon wells and remove equipment when production ends.
The majority owner of the Cliff Head platform has called in administrators and other oil and gas producers will likely shoulder the cost.
The failure of Cliff Head's owners, Pilot Energy and Triangle Energy, to meet payroll does not bode well for their ability to pay the $200 million decommissioning cost.
Pilot Energy and Triangle Energy - two listed minnows with no revenue - may struggle to afford to decommission the Cliff Head platform off the WA coast.
No profit, falling production, inadequate maintenance, a safety plan in limbo and a big clean-up if exploration fails: challenges aplenty at the Canadian company's only offshore facility.
Santos' decommissioning liability matches a quarter of its $22b value, but its disclosures to investors fared poorly against the latest accounting standards, according to an international survey.
Pilot Energy is a going concern, but its accounts report "a material uncertainty which may cast significant doubt" on that continuing.
SGH's decade of neglect of its Longtom gas field off the Gippsland coast is "an erosion of good industry practice" according to NOPSEMA.
A Federal Court win could mean all offshore oil and gas producers would need to prove they can afford their share of a $62 billion cleanup.
Regulator NOPSEMA has directed Woodside to properly plan its work after a series of preventable safety incidents off the WA and Victorian coasts.
The $2.3 billion-plus decommissioning on a WA nature reserve will be part-funded by the Federal and WA governments returning about half the royalties they received over six decades.
The company that thinks a damaging oil spill from its planned drilling near Scott Reef is "only a mere theoretical possibility" weeks ago accidentally released a cocktail of hydrocarbons, chemicals and water into the Indian Ocean.
Whether the facility can be used for carbon storage or has to be decommissioned has billion-dollar implications for Santos and its partners.
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