Big oil tankers' need for retrofit delays use of new Panama Canal

August 23, 2016 5:11 PM EDT

A floodgate test is conducted during a media visit to view the new set of locks of the Panama Canal Expansion Project, on the Pacific side of the Panama Canal, on the outskirts of Panama City June 6, 2016. REUTERS/Carlos Jasso

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By Liz Hampton

HOUSTON (Reuters) - The promise that some oil traders and brokers saw for an expanded Panama Canal to become a new route for large tankers will take longer to realize than expected because many ships must first undergo inconvenient retrofits to transit through the new locks, shipping industry experts said.

The modifications to these bigger oil carriers - which mostly involve fittings such as chocks and bollards that secure the ship's dock and tow lines - are needed because the new locks that opened in June use tug boats rather than locomotives to pull vessels.

While only a fraction of the vessels that previously transited the canal carried oil, its expansion caught the eye of traders hoping to gain faster and cheaper access to international markets on bigger tankers. But even if what those ships now fit through the new locks, many lack the minimum required mooring equipment for the expanded canal.

Although the new standards were published in advance of the canal's opening, the required retrofits come as the shipping industry is already facing financial strain, adding another wrinkle to an opening beset by cost overruns and several incidents in which ships scraped the walls of the new canal amid concerns about its design.

There are more than 900 Aframax tankers in the global fleet and around 500 Suezmax vessels, according to shipping experts, who estimate between half to more than three-quarters of the vessels, especially those built before 2015, would need retrofits.

The portion of Aframax vessels requiring the retrofits is higher than those in the Suezmax fleet, one ship analyst said.

Vessels must be dry docked, or taken out of service, for the refittings. While the new parts cost just $1,000 to $3,000 per ship - pocket change in the expensive world of shipping - additional charges associated with the work can tally up to $100,000 to $150,000, several sources said.

Sandith Thandasherry, chief officer of Navgathi Marine Design and Construction, an India-based vessel servicer, said so far this year his firm has already completed six retrofits for Aframax tankers with the new Panama route in mind.

Ship servicers must also get approval for their work from the Panama Canal Authority and vessel classification societies.

Early on, Thandasherry says his company received approvals from the Canal Authority on ship modifications within a week's time, unusually fast. This process has slowed in recent weeks, an indication that the number of applications for retrofits is rising, he said.

"I know for sure that the number of people who are applying is increasing after the opening," said Thandasherry.

In a statement, the Panama Canal Authority acknowledged that certain vessels would likely need new chocks and bollards added.

Most ship owners are opting to do retrofits during other scheduled dry dock work. The added costs come at a time of rock-bottom shipping rates amid global oversupply.

“The current market conditions are challenging for many ship owners. So retrofit measures can be a financial strain,” said Daniel Abt, an inspection engineer for DNV GL, a classification society that approves such vessel modifications.

Abt said the retrofits are not just for oil tankers but also for container ships.


Though the new locks were mostly expected to boost container ship traffic, the canal's greater depth and wider dimensions put tankers in play too.

Only a handful of Aframax tankers could fit the dimensions of the old canal. Now 86 percent can get through the expanded canal fully laden, according to ship brokerage Galbraiths Ltd.

While no Suezmax vessels could fit through before, now 74 percent can get through partially laden, Galbraiths said, but only if they have the proper mooring equipment.

In mid-August, the Aegean Unity, a Greece-flagged vessel, became the first Suezmax tanker to transit the canal. But that ship, built in 2016 and partially laden, may have been an exception.

Brokers said, for now, there is a scarcity of ships with the right specs to go through the new canal and that current price spreads between international crude grades discourage such movements.

Once more ships are retrofitted and crude prices change, tanker traffic could pick up. Transit through the canal instead of around the tip of South America could save more than $300,000 on a voyage from the Caribbean to the U.S. West Coast, according to brokers.

"It will become a trade route for sure, but it will happen over time," said one ship broker.

(Reporting by Liz Hampton; Editing by Cynthia Osterman and Andrew Hay)

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