Baker Hughes is one of the world's largest oilfield services companies.

These Legacy companies where divided into specialised divisions, each responsible for a specific area of oilfield service expertise.

Planning, development and regulation of oilfield services.

Schlumberger Limited is the world's largest oilfield services company.

A large number of businesses in the town are involved in the petroleum industry by providing transportation, construction, or specialized oilfield services.

The Company is a provider of marine services to exploration and production, oilfield service, offshore construction and military customers.

The activity is not only in the oil companies themselves, but also in the companies that manufacture drilling equipment or provide oilfield services, he added.

Schlumberger is the world's largest oilfield service company.

"I'd rather see them focus almost entirely on oilfield services."

Schlumberger, whose business is oilfield services, climbed 3 1/2, to 52 7/8.