Nigerian fuel retailer Chevron said on Friday its pre-tax profit in the second quarter to June 30 more than doubled to 1.03 billion naira ($6.8 million) from a year ago.

Turnover in the period climbed 15 percent to 32.72 billion naira from 28.44 billion the previous year, the company said in a filing to the Nigerian Stock Exchange.

 (Reporting by Tume Ahemba; Editing by Nick Tattersall)