About 100 disgruntled workers shut down the offshore field.

The company aims to extend its oil and gas activities in both onshore and offshore fields.

Challenges also include the development of new cutting-edge drilling technologies, while maintaining corporate environmental regulatory standards, which safeguard against spills at offshore fields.

There are 383 producing offshore fields, including 17 which started production in 2008.

Screens also control the migration of formation sands into production tubulars and surface equipment, which can cause washouts and other problems, particularly from unconsolidated sand formations of offshore fields.