The $4.1bn project will include the development of the Surgil gas field and a gas chemical complex that will produce natural gas and petrochemical products such as high density polyethylene and high density polypropylene.
The facilities will also include new 115km pipelines for gas and condensate.
The ESIA will be used in the process of obtaining finance for the project from the Asia Development Bank and a group of commercial lenders being led by ING.