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Maersk Gallant Drills to Record Depths on Norwegian Shelf

Source: www.gulfoilandgas.com 8/25/2016, Location: Europe

With a total depth of 5,941 metres, Maersk Gallant has beaten the record for deepest well ever drilled on the Norwegian continental shelf. On 31 July, Maersk Gallant drilled the Solaris ultra HPHT (high-pressure, high-temperature) well to a total depth of 5,941 metres TVD (True Vertical Depth). This means that Maersk Gallant has beaten the record for deepest well ever drilled on the Norwegian continental shelf.

"We have broken a number of records during the Solaris operation. But this achievement is second to none. There was a lot of cheering in the driller's cabin that day," says Sadi Ozturk, Assistant Rig Manager on Maersk Gallant.

He continues: "The Solaris exploration well is one of the most challenging wells in the North Sea. All crew members are very excited about this achievement."

Demanding requirements

In the Solaris project – together with the customer, Total E&P Norge – Maersk Drilling has taken a 15,000 psi rig and adapted the equipment and procedures in order to drill a reservoir section where predicted pore pressures are well in excess of 15,000 psi. The demanding requirements of the customer have led to a wide variety of modifications on the rig.

The record list

Given the extreme circumstances, the rig team on Maersk Gallant has set several records during the operation.

The list includes:

1: the largest and most complicated BOP stack rig up.
2: the biggest cement job (600 m3 cement slurry).
3: the heaviest casing run (1,2M lbs).
4: first time a 20K BOP has been nippled up (installed) and used to drill an ultra HPHT well.

At the moment, the crew members on Maersk Gallant are in the process of plugging and abandoning the well and expect to commence the rig move in the beginning of September.

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Related Categories: General  Rig Equipment  Rig Operators  Rigs, Coring & Exploration 

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