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Global Operations

With the business covering offshore China, COSL has also expanded its operation to numerous countries and regions including Southeast Asia, Australia, Middle East, North sea and North America, serving local and foreign oil companies including CNOOC, PetroChina, Sinopec, ConocoPhillips, Husky Energy and Shell. It is gradually developing towards an international enterprise.

Services & Products

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We are Here

COSL Canada was recently established in downtown Calgary, Alberta. Opened in July 2013, our location is surrounded by leading global Oil and Gas Companies. We welcome you to come visit our office and discuss details about our Company and services.

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Canadian Head Office

Services & Products

COSL Canada Ltd.

Suite 1900 - 500 Centre St. SE
Calgary AB T2G 1A6

Phone: 587.354.6480

Fax: 403.452.9231



P.O. Box 232, Beijing
China, 101149

Phone: 86.10.845.22840
Fax: 86.10.845.22131


10777 Westheimer Road,
Suite 169 Houston, Texas 77042

Phone: 713.784.8598
Fax: 713.784.9197


Calle San Roman No.100
Planta Baja Col. San Joaquin Cd. Del
Carmen, Campeche, C.P 24190

Phone: 52.938.1181.287
Fax: 52.938.1181.288 ext 30


Vestre Svanholmen 4,4313 Sandnes
(P.O.Box 34,4064 Stavanger, Norway)

Phone: 47.5195.0904
Fax: 47.5195.0901