Our Capabilities

Comprehensive drilling solutions engineered for West Africa's toughest conditions.

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Newsroom

Company updates, safety milestones and media from our operations across Liberia.

CESTOS Investments Liberia Inc.

Our Mission

To deliver innovative, efficient and environmentally responsible drilling services that foster sustainable growth and prosperity in Liberia and across West Africa.

Head Office:
14th Street, Sinkor & Payne Ave, Suite C-26, Monrovia, Liberia

Email:
info@cestosinvestments.com

Phone:
+231 (0) 000 000 000

Ready to plan your program?

Our technical team is available to review your geological targets and provide a detailed estimate.

Request a Quote
CESTOS drill rig fleet on site

Equipment & Fleet

Modern Rigs. Ready for the Demands of the Field.

5+

Active drill rigs

4

Drilling methods

1,200 m

Drilling depth

100%

Fleet availability target

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New Arrival

Expanding our deep-hole capacity.

The newest addition to the CESTOS fleet brings unparalleled torque and pull-back capacity to West African exploration programs. Engineered for depths exceeding 1,200m, it ensures we can confidently execute the most demanding resource definition targets.

1,200mDepth Capacity
16tPull-back
New deep-hole coring rig

Fleet Explorer

Purpose-built capabilities.

Select a rig below to view detailed specifications, capabilities and key features.

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Diamond Core

Torque Drill TD900 DTMS Surface Core Drill Rig

Diamond Core

Max Depth

NQ 1,200 m / HQ 725 m / PQ 480 m

Diameter

NQ / HQ / PQ

Drive System

Hydraulic

Key Features

  • Crawler-mounted surface core drill
  • Variable/reversible hydraulic rotation motor
  • 3 or 6 m rod pull
  • 45° off horizontal to 90° vertical drilling range
  • Available mine-spec safety systems

Support Systems

Everything the rig needs, in the field.

Maintenance Workshop

On-site mobile workshop equipped for field-level rig maintenance, welding and hydraulic servicing to minimise downtime on remote programs.

Downhole Survey Tools

Gyroscopic and magnetic survey instruments for accurate borehole deviation measurement and trajectory control in complex geology.

Water Management Systems

Mud recycling units and water tanks for environmentally compliant drilling fluid management on all programs.

Safety Equipment

Full inventory of PPE, emergency medical kits, fire suppression equipment and rescue apparatus maintained to field-ready standard.

Maintenance

Engineered for maximum uptime and reliability.

Our preventive maintenance program ensures every rig in the CESTOS fleet operates at peak performance. Scheduled services, OEM parts sourcing and a qualified technical team on every site mean our clients rarely experience unplanned stoppages.

  • 250-hour scheduled preventive maintenance intervals
  • On-site spare parts inventory for critical components
  • Qualified rig mechanics on every active site
  • Remote diagnostics and manufacturer support agreements
  • Fleet utilisation reported daily to project management
Core samples laid out for analysis

Discuss your equipment requirements.

Tell us your drilling specifications and we'll confirm fleet availability, mobilisation timelines and technical capabilities for your program.

Contact CESTOS