Schlumberger buys Operational Services Inc.

Schlumberger has acquired OSI, the Houston-based provider of operational, mechanical and engineering services.

Schlumberger Oilfield Services has acquired Houston-based Operational Services, Inc. (OSI). OSI’s services fall into three broad categories - operational, engineering and mechanical. OSI manages client’s production and provides operations reporting, maintenance, QHSE, accounting and facilities engineering. OSI works onshore and offshore in 14 countries for clients including major E&P companies, independents and gas utilities.

reservoir optimization

As a wholly owned subsidiary of Schlumberger, OSI will work with other Schlumberger reservoir optimization services, including Integrated Project Management (IPM) and Production Operators, to deliver a systematic approach to field management. Schlumberger Reservoir Management president Peter Goode said “OSI has 250 skilled employees and a reputation for fast reaction time and technical expertise.


By combining OSI’s best-in-class services with Schlumberger’s reservoir management we are able to deliver premier production operations capability to the industry.” OSI was founded in 1990 br J.E. R. Sheeler, Jr., who will continue to manage the daily operations of the organization.

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