Company History

Established in 1987, Ensign Energy Services has grown to be a world- leading provider of oilfield services.

Over the past quarter century, we have built a reputation as technology innovators. We were the first in Canada to drill a horizontal well and the first in the world to employ PLC technology, now the industry standard, on an automated drill rig. Those are just two of our many innovations that have kept us on the forefront of technology.


Ensign incorporates as a company and is soon operating four drilling rigs and two well service rigs in Alberta, Canada.


Ensign lists on the Toronto Stock Exchange.


Ensign enters the U.S. oilfield services market with the acquisition of a 19-rig company operating in the Rocky Mountain region of the U.S.


Ensign launches its proprietary Automated Drill Rig (ADR®).


Ensign has the second largest drilling rig fleet in the Rocky Mountain region and is continuing to expand into major U.S. plays.


Ensign enters the international arena with the acquisition of an Australian oil company with 23 drilling rigs and five workover rigs in Australia, Southeast Asia, the Middle East, Africa, South America and New Zealand.


Ensign continues to build its drilling fleet with the acquisition of a company with 11 drilling rigs and three workover rigs. Ensign also expands into the Libyan market with acquisition of three drilling rigs.


Ensign expands its services to the important oil and natural gas resource areas in the southern U.S.


Ensign releases the next generation in walking rigs – The ADR® 1500S.


In an industry first, Ensign releases the Automated Service Rig (ASR™) 150.


Ensign continues to strive to deliver the best service quality and performance available in the market.