Surface Coring

    MARKETS: Mineral Exploration

    Boart Longyear has over 125 years of history in surface coring drilling, and it shows. By combining our global team of surface coring experts with our diverse fleet of surface coring rigs and equipment, we can meet even the toughest project requirements. In order to deliver the best solution for the job, our team of professionals work tirelessly to understand your project objectives as well as the ground and site conditions.
    Count on Boart Longyear for:

    • A complete range of core sizes, from BQ to PQ and larger
    • Qualified and locally certified crews
    • Industry-leading core recovery rates
    • Directional motoring at depths beyond 10,000 feet (3,048 meters), to achieve any target
    • Integrated core orientation
    • World-class safety programs and performance


    Deep Coring

    Expertise and a selection of deep capacity drills enables us to drill at depths exceeding 10,000 feet (3,048 meters).

    Fly Drill Capabilities

    The largest global fleet of heli-portable rigs and equipment means we have the right rig for your greenfield project.

    Directional Drilling

    Need to hit specific targets? We offer in-house directional motors, steering tools, and pumps for any directional drilling project.


    Utilizing state of the art Blow Out Protection equipment, we can effectively drill in high-temperature / high-pressure formations.

    Fleet Range

    RigsDepthDrill Rod SizeMain HoistPull ForceRod PullPower
    LF70895m NRQ V-WallBQ-PQ53.4 kN62.9 kN6 m110 kW
    LF90C1,193m NRQ V-WallBQ-PQ71.2 kN111.8 kN6 m153 kW
    LF90D1,193m NRQ V-WallBQ-PQ71.2 kN111.8 kN6 m153 kW
    LF130F1,690m NRQ V-WallBQ-PQ127.6 kN 3m128 kW
    LF2302,983m NRQ V-WallBQ-PQ177.9 kN223.3 kN9 m205 kW
    RigsTruckTrackJacksSkidsHelicopterHands Free Rod Handling


    Safety comes first in all activities. We adhere to all local regulatory safety requirements. We have a responsibility to ourselves, our employees, contractors, customers and shareholders to proactively work on strengthening our safety culture. Boart Longyear strives to ensure that our global base of clients can expect the same quality services at any site. Our people are the very foundation of this success and we are dedicated to hiring and training the best in the industry.

    Global EHS Management System

    Our Global EHS Management System (GEMS) is a web based system that captures data relating to injuries, motor vehicle incidents, equipment damage, environmental impacts, near misses and other safety related incidents of all employees spread across 40 countries.

    Stop Work Authority

    Boart Longyear employees are equipped with a "Stop Work Authority Card" that authorizes them to immediately stop any work that does not comply with safety standards. The Stop Work Authority Program ensures that employees will not be punished or reprimanded for doing so.

    Golden Rules of Safety

    The Golden Rules of Safety are a list of questions to ask while on the job. If the answer to any of the questions is NO, our employees stop and take the necessary corrective action and continue only when the answer is YES.

    Think ProgramTHINK Program

    In 2011, Boart Longyear launched a world-class safety campaign aimed at increasing the safety culture with employees. The THINK program instills in staff to never make any task menial and to always "THINK" before they act.

    Rules of the Road

    Safe driving is an essential component of the way we do business at Boart Longyear. The Rules of the road are designed to protect our employees, passengers, and the public. Adherence to the rules is a condition of employment.

    In-Vehicle Monitoring Program (inthinc)

    Boart Longyear uses an in-vehicle monitoring system that provides verbal coaching and weekly reports on driver performance and location. This program has been implemented on four continents with plans for future expansion.