Fuel Your
Ensign United States Drilling Inc is the U.S. operating branch of Ensign Energy Services Inc. — delivering technologically advanced land drilling, directional drilling and well servicing across the California and Rocky Mountain regions.
Our Commitment
Consistency. Commitment. Innovation.
These three pillars form the foundation of every Ensign operation, everywhere we work. They define our competitive edge and fuel our dedication to safer, stronger, more efficient drilling — now delivered close to home for U.S. operators.
Repeatable Performance
Standardized systems and a Global Risk Management System (GRMS) trend performance down to the rig level, so every well is delivered to the same high standard.
People First
Our greatest resource is our people. We train U.S. crews to handle the toughest assignments and back them with a relentless commitment to service and safety.
Technology That Drills
From the Automated Drill Rig (ADR®) to EDGE AUTOPILOT™, our proprietary technology is changing the way the world drills — optimizing performance and lowering cost.
What We Do
Premium Oilfield Services

Contract Drilling
An extensive fleet of purpose-built, technologically advanced rigs.

Directional Drilling
Deep, complex, challenging wells drilled with EDGE AUTOPILOT™.

Well Servicing
Purpose-built service rigs, including the fully automated ASR™ 150.

Rental Equipment
Pressure testing, tool rentals and torque wrenches — done safely.
United States Branch
Built for American Basins
Ensign entered the U.S. oilfield-services market in 1994 and has grown into a leading land-based contractor. Filter our operating footprint by region — your choice is stored in a cookie so the data follows you across the site.

San Joaquin Valley
Headquartered in Bakersfield, serving Kern County and the wider California heavy-oil market.

Rockies Region
A land-based drilling presence across the Rocky Mountain oil and natural-gas basins since 1994.

Ensign Energy Services
Backed by a global fleet operating in Canada, the U.S., Latin America, the Middle East and Australia.
Drive to Zero®Health & Safety
Driving to Zero
Zero safety incidents. Zero injuries. Zero days off work due to injury. Drive to Zero® means accepting that every incident is preventable and focusing on the operational discipline to get there.
- Stop Work Authority for every crew member
- EnCAAP task-planning and hazard engagement
- Global Risk Management System (GRMS) analytics
Contact the US Branch
Let's Get to Work
Questions about our services in California or the Rockies? Our Bakersfield team is ready to help.