Oil giant BP has reappointed oil services group Wood Group to provide engineering, modification and maintenance to its Sullom Voe Terminal in Shetland.The contract, worth about £25m, will last for three years, with two one-year extension options.Wood Group said the contract would secure employment for 100 workers in Shetland, Glasgow and Aberdeen.'Wood Group is delighted to have been re-awarded this contract by BP,' said Les Thomas, group director responsible for production facilities at Wood Group. 'We look forward to maintaining and strengthening our alignment with BP's drive to improve safety and efficiency.'