Regular workover service

COSL possesses workover crews of more than 2600 engineers by now, including more than 60 supervisors; in charge of operation and management of 139 sets of workover rigs; conducts annual workover operation more than 1200 wells; locates operating zone mainly in China Sea, Gulf of Mexico, Southeast Asia and Middle East.

Possess Workover Crews

2600 engineers

COSL possesses workover crews of more
than 2600 engineers by now, including
more than 60 supervisors

Operation and Management

139 sets

In charge of operation and management
of 139 sets of workover rigs

Conduct Annual Workover

1200 wells

Conducts annual workover operation
more than 1200 wells