DAMMAM, 31 May — Saudi Aramco plans to invite offers for around 94 projects worth some $4 billion in the coming 18 months, a top energy official was quoted as saying yesterday. Aramco’s deputy chairman for projects Issam Al-Bayati told Al-Watan daily most of the projects involve construction of plants for liquid gas and petrol. The company would invite offers until the end of next year, he said.