Underground Drilling Services

Safe, efficient, and tech‑forward drilling across Southeast Asia
Valentis delivers safe, efficient, and technologically advanced programs tailored to the most demanding projects.
In Laos, we’ve successfully drilled over 100,000 metres underground, LTI-free —a milestone unmatched by any other contractor.
This achievement underscores our expertise in managing complex underground operations, implementing best-practice safety systems, and maintaining consistent productivity in challenging conditions.
With highly experienced crews, a modern fleet, and strong client partnerships, Valentis is the trusted partner of choice for companies seeking reliable, high-performance underground drilling solutions.
What We Deliver
Rigs & Equipment
Our fleet is built for any challenge. Modern rigs and tools deliver precision and reliability for every project.

Schramm 685C
Robust Crawler Mounted Reverse Circulation (RC) / Rotary Drill Rig – For Extreme Conditions

Cortech CSD1800x
Durable Track Crawler Mounted Diamond Core Drilling Rig – Built for High-Penetration Excellence

Coretech CSD1300x
Flexible Crawler Mounted Diamond Core Drill Rig – Adaptable for Any Challenge

Hanjin D&B-16M Multi
Multi-Purpose Hydraulic Top-Drive Drill Rig

Hanjin D&B-35 Multi / RC / RAB
Crawler Multi-Purpose Rig (Core + RC ) – The Ultimate Versatile Performer

Epiroc SmartROC D65 MKII-10 LF RC
Cutting-Edge DTH / Production Blast Hole Rig with RC Capability – Engineered for Smart Mining

Schramm 685C
Robust Crawler Mounted Reverse Circulation (RC) / Rotary Drill Rig – For Extreme Conditions

Valentis D480RC
Dynamic Reverse-Circulation (RC) Sampling / Grade Control + DTH Production Blast Hole Rig – Precision Meets Power

Hanjin D&B-16GT 900
High-Capacity RC Grade Control Rig – Built for Precision and Productivity

SH Hardrock HD400
Advanced Horizontal Directional Drilling (HDD) Rig – Track Mounted for Precision and Power

Coretech CSD1300x
Flexible Crawler Mounted Diamond Core Drill Rig – Adaptable for Any Challenge

Hanjin D&B-35 Multi / RC / RAB
Crawler Multi-Purpose Rig (Core + RC ) – The Ultimate Versatile Performer

Valentis Man Portable 150
Ultra-Compact Man-Portable / Heli-Portable Diamond Core Drill Rig – Built for Agility and Accessibility

Boart Longyear LM75
Specialized Underground Diamond Coring Drill – Compact Power for Confined Spaces

Boart Longyear LM110
Modular Underground Diamond Coring Drill – Most Powerful Design for Deep-Hole Precision in Challenging Environments

VC75 UG Integrated Carrier Rig
Integrated Underground Diamond Coring Rig – Compact Power for Precision Exploration in Confined Spaces

Exploration Drill Masters (EDM) EDM1500HP
Versatile Heli-Portable Diamond Core Drilling Rig – Designed for Ultimate Mobility and Precision

Coretech CSD1300H
Heli-portable with removable easily track base Diamond Core Drill Rig – Adaptable for Any Challenge
Exploration

Cortech CSD1800x
Durable Track Crawler Mounted Diamond Core Drilling Rig – Built for High-Penetration Excellence

Coretech CSD1300x
Flexible Crawler Mounted Diamond Core Drill Rig – Adaptable for Any Challenge

Schramm 685C
Robust Crawler Mounted Reverse Circulation (RC) / Rotary Drill Rig – For Extreme Conditions

Hanjin D&B-16M Multi
Multi-Purpose Hydraulic Top-Drive Drill Rig

Hanjin D&B-35 Multi / RC / RAB
Crawler Multi-Purpose Rig (Core + RC ) – The Ultimate Versatile Performer
Mining

Epiroc SmartROC D65 MKII-10 LF RC
Cutting-Edge DTH / Production Blast Hole Rig with RC Capability – Engineered for Smart Mining

Schramm 685C
Robust Crawler Mounted Reverse Circulation (RC) / Rotary Drill Rig – For Extreme Conditions

Valentis D480RC
Dynamic Reverse-Circulation (RC) Sampling / Grade Control + DTH Production Blast Hole Rig – Precision Meets Power

Hanjin D&B-16GT 900
High-Capacity RC Grade Control Rig – Built for Precision and Productivity

SH Hardrock HD400
Advanced Horizontal Directional Drilling (HDD) Rig – Track Mounted for Precision and Power
Hydro / Geotech

Coretech CSD1300x
Flexible Crawler Mounted Diamond Core Drill Rig – Adaptable for Any Challenge

Hanjin D&B-35 Multi / RC / RAB
Crawler Multi-Purpose Rig (Core + RC ) – The Ultimate Versatile Performer

Valentis Man Portable 150
Ultra-Compact Man-Portable / Heli-Portable Diamond Core Drill Rig – Built for Agility and Accessibility
Underground

Boart Longyear LM75
Specialized Underground Diamond Coring Drill – Compact Power for Confined Spaces

Boart Longyear LM110
Modular Underground Diamond Coring Drill – Most Powerful Design for Deep-Hole Precision in Challenging Environments

VC75 UG Integrated Carrier Rig
Integrated Underground Diamond Coring Rig – Compact Power for Precision Exploration in Confined Spaces
Heli-Portable

Exploration Drill Masters (EDM) EDM1500HP
Versatile Heli-Portable Diamond Core Drilling Rig – Designed for Ultimate Mobility and Precision

Coretech CSD1300H
Heli-portable with removable easily track base Diamond Core Drill Rig – Adaptable for Any Challenge

Boart Longyear LM75
Specialized Underground Diamond Coring Drill – Compact Power for Confined Spaces

Boart Longyear LM110
Modular Underground Diamond Coring Drill – Most Powerful Design for Deep-Hole Precision in Challenging Environments

VC75 UG Integrated Carrier Rig
Integrated Underground Diamond Coring Rig – Compact Power for Precision Exploration in Confined Spaces
Local Impact, Regional Reach
Valentis operates across Asia. Our teams deliver exploration, drilling and geotechnical services across the region, always with a focus on safety and performance. Wherever your project is in the region, we’re ready to deliver.
Singapore (Head Office)
7 Holland Village Way, #05-03 One Holland Village, Singapore 275748
Laos
23 Singha Road, Nongbone Village, Saysettha District Vientiane Capital, Lao PDR
Thailand
Level 35, Dusit Central Park, 92 Rama IV Road, Silom Sub-District,Bangrak District, Bangkok, 10500 Thailand
Indonesia
Indonesia Stock Exchange Tower 2 17th Floor, Jl. Jend Sudirman Kav. 52-53 Jakarta 12190 Indonesia
Cambodia
No. 33, Street 294 (corner of Street 29) Sangkat Tonle Bassac, Khan Chamkarmorn Phnom Penh, Cambodia
Kazakhstan
Office 27, Building No. 12/1D. Kunayev street, Yessil district Astana city, Republic of Kazakhstan
Contact valentis
Contact us to learn more about our commitment to client service.