- Al-Zour New Refinery Projects five packages are worth a total of $13bn
- Kuwait is planning to sign the five contracts in the same ceremony
- The winner of the final package was announced in August
Documents are being processed with the signing expected to take place on Tuesday, the source said.
The comments come amid reports in local media that Kuwaits Oil Minister, Ali Saleh al-Omair, may have ordered the contract signing to be postponed.
Despite the reports in local media, companies connected to the contracts are still preparing for the ceremony, which is due to take place on 13 October, the source said.
Kuwait is planning to sign the contracts for the projects five engineering, procurement and construction (EPC) contracts all in the same ceremony.
The five Al-Zour Refinery EPC contracts have a total value of $13bn.
The final EPC contract on the project was awarded to a consortium of Italys Saipem and Indias Essar in August.
The package, known as package four, is worth KD475m ($1.57bn) and includes the construction of tanks, piping and underground works.
The winners of packages one, two, three and five, worth a total of $11.5bn, were named on 28 July by Kuwaits Central Tenders Committee (CTC).
Package two, which consists of a process plant, and package three, which consists of offsites and utilities, were both won by a joint venture of Fluor (US), Hyundai Heavy Industries (South Korea), and Daewoo Engineering (South Korea).
The EPC contracts for packages one and two are worth a total of KD1,745m.
The contract for package five is worth KD454m.