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For more than 40 years, McLeay Geological has been at the vanguard of Oil & Gas rig based exploration and development operations.

We have been providing on-shore and off-shore geological services in 816 fields to over 385 companies worldwide. Over the last 22 years we have become very active in unconventional plays as well and serviced approximatively 33 other companies in 50 fields. Our expert operationally focused geologists, petrographers, operations geologists and office personnel work directly with our clients and their service providers to ensure the highest standards in data acquisition, analysis, delivery and integrity are achieved.

Whether it is exploration or development drilling, the combined talent and experience of our people, coupled with the use of state-of-the art technologies in our field, helped us to become one of the most respected in the geoscience field consulting and a leading provider of client support in order to optimize data gathering and minimize geological risk leveraging our domestic and international talent pool and experience.

As McLeay Geological was founded and remains headquartered in Calgary, Alberta, Canada, besides the extended experience in the Western Canadian Sedimentary Basin, our field and office group gained considerable experience in successful projects in some of the most technically and diverse environments in Africa, Asia, Europe, Middle East and South America.


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