Ensign Energy Services is the parent company to Ensign United States Drilling Inc. Please visit their web site by clicking here.

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A Tradition of Performance in the Field

ENSIGN United States Drilling Inc. is the premier drilling contractor operating in the Rocky Mountain and California production regions. We provide equipment and services for drilling of oil and gas wells on either a footage, day-work, turnkey or integrated service basis.

The third largest drilling contractor in North America, we operate in eight western states with main office locations in Denver, Colorado and Bakersfield, California. We continue to be a strong leader in the oilfield services industry through our ability to meet customer needs by developing innovative and technically superior drilling solutions.

Known as CAZA Drilling Inc. from 1992 until 2005, we changed our name in 2005 to ENSIGN United States Drilling Inc. to better reflect our role as part of ENSIGN Energy Services Inc. We are listed on the TSX under the symbol ESI. Based in Calgary, Alberta, Canada, ENSIGN is an industry leader in the delivery of global oilfield services.

COMMITTED TO QUALITY CUSTOMER SERVICE

• Availability of a state-of-the-art rig fleet
• In-house engineering expertise
• Equipment maintained to highest standards
• Apply optimal safety practices and environmental stewardship
• Recruitment, training, and development of highly qualified personnel

STATE-OF-THE-ART RIG FLEET

ENSIGN United States Drilling Inc. has accumulated an extensive rig fleet characterized by innovation, flexibility, and mobility for meeting the challenging demands of today's oil and natural gas industry. Over the years, we have also contributed to advancements in drilling and well servicing through the innovative use of advanced technologies.