Gulf Drilling International (GDI) has signed four new contracts and four contract extensions with Qatar Petroleum (QP) worth a combined QR5.2bn ($1.4bn) for the provision of drilling-rig services.

GDI, a subsidiary of Gulf International Services (GIS), will carry out the contracts over a period of five years.

The new contracts include work on two offshore drilling rigs – Dukhan and Halul – and two new land rigs – GDI-7 and GDI-8. Meanwhile, the company was awarded contract extensions on services on land rigs GDI-1, GDI-2, GDI-3 and GDI-4.

By mid-2016 GDI will have a total of 18 drilling rigs operating in Qatar, state-owned QP said in its announcement.