By Liam Moloney

ROME--Eni SpA (E) doesn't expect the repair costs for its Kashagan field in Kazakhstan to be huge after spending $8.2 billion so far on the project, said its Chief Executive Paolo Scaroni on Thursday.

The Kashagan consortium, which includes other oil companies such as Total SA and Royal Dutch Shell PLC, still hasn't decided how it will repair the damaged pipelines, said Mr. Scaroni at the Italian energy company's annual shareholders' meeting in Rome.

Among the options under consideration by the consortium is the possibility of replacing the damaged pipelines or inserting new tubes in the pipelines, he added.

The Kashagan field has so far cost $50 billion and is more than eight years behind the original deadline.

Last month, Claudio Descalzi, chief operating officer at Eni's exploration and production division, said the main problem on the Kashagan pipelines was welding.

"I am confident that the Kashagan problems will be solved in 2015," said Mr. Scaroni.

Mr. Scaroni hasn't been designated by the Italian government, which effectively controls Eni, to a fourth three-year term as CEO and will be replaced by the company No. 2 official, Eni veteran Mr. Descalzi, later Thursday.

Mr. Scaroni also said that the Kashagan consortium has appealed a $800 million fine from the Kazakh ministry of environment.

Write to Liam Moloney at liam.moloney@wsj.com

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