The Norwegian Petroleum Safety Authority (PSA) said it remains firm on its belief rig design was the main cause of an accident which left one offshore worker dead after freak weather in the North Sea.
COSL is said to have invested million in testing its rigs after a worker was killed by a huge wave in the Norwegian North Sea last year.
Lamprell is expected to face investors this week after a customer delivery mishap.
Huge modification costs could be necessary to floating rigs in Norway in the wake of 100ft wave which killed a on oil worker.
A powerful UK Government committee is to hold an inquiry into the grounding of the Transocean Winner rig which hit rocks in the Western Isles.
The salvage master who successfully refloated a grounded 17,600 tonne oil rig off rocks in the Western Isles was also involved with the operation to move the doomed Italian liner the Costa Concordia.
This incredible footage shows the moment a 17,000-tonne oil rig which ran aground in the Outer Hebrides began its journey to safer shores.
An oil firm whose rig ran aground on the Western Isles 10 days ago has apologised as it admitted it is not ready to re-float the giant structure.
On Monday August 8th at around 7.30am, the Transocean Winner rig became grounded off the Isle of Lewis. Here's what we know so far about the incident.
Tens of thousands of litres of diesel fuel are believed to have spilled into the ocean from an oil rig that ran aground on the Western Isles.
The oil rig grounded off the Western Isles has developed a leak, leading to fears of a serious oil spill.
Vantage points surrounding the stricken rig which so dramatically ran aground off Lewis have been placed “in lockdown”.
Fierce weather forecast for tomorrow threatens to hamper the salvage of an oil rig grounded in the Western Isles.
The Maritime and Coastguard Agency (MCA) said final preparations are being made to put a small team of salvors on board the grounded Transcoean Winner off the Isle of Lewis.
Lamprell said a rig which had been scheduled for delivery in the second quarter of this year has been delayed.
Ensco said it has sold a number of drilling rigs for scrap value.
An investigation is underway after the extraction of crude petroleum from a jack-up rig in the North Sea when a crane boom collapsed.
The US Supreme Court has agreed to weigh Venezuela's bid to block a lawsuit filed by an American oil drilling rig company, which claims the South American country seized 11 drilling rigs six years ago.
Dolphin Drilling has received a suspension notice from Statoil for the Bideford Dolphin rig.
Crude fell a third day after the number of rigs drilling for oil in the U.S. rose for a second week.
Statoil has cancelled its contract with Seadrill for the West Hercules drilling rig.
Brazil's rig leaser Sete Brasil Participações SA has decided to file for bankruptcy protection.
The Norwegian Petroleum Safety Authority (PSA) has asked companies to assess their rigs following the death of a worker on the COSL Innovator last year.
This incredible timelapse footage shows the Ocean Endeavour as its moved into place in waters offshore Romania.
A report into the investigation of how a worker died when a massive wave hit the rig he was working on is to be published this week.