Resources
Practical information for drilling decisions.
Explore method overviews, technical guides, diagrams, and downloadable resources covering how drilling capabilities apply to project objectives and operating conditions.
Featured Resources
Featured resources
The right drilling decision starts with understanding the work: ground conditions, project objectives, safety requirements, access, schedule, and required data. Start with selected guides covering Boart Longyear drilling methods, field applications, and the conditions that shape method selection.
Drilling Methods Overview
An overview of Longyear drilling methods and where they may apply across exploration, underground, production, water, and specialized work.
- Guide
- Multi-Capability
Sonic Drilling: When Sample Quality Matters
An overview of Sonic applications where sample quality, hydrology, casing, instrumentation, or unconsolidated material influence method selection.
- Guide
- Sonic Drilling
Dewatering and Water Management Field Guide
A guide to dewatering, water supply drilling, pump services, and field water management where water conditions affect operations.
- Guide
- Water & Support Service
Browse Resources
Browse by topic or format
Drilling Methods
Plain-language guides to common drilling methods, when they are used, and the project conditions that shape their application.
Technical Guides
Detailed guidance on method selection, ground conditions, sample quality, water requirements, production needs, and operating constraints.
Field & Industry Insights
Operational perspectives on drilling trends, safety, equipment modernization, water management, and changing project requirements.
Tender & Planning Tools
Checklists, one-page summaries, and technical references supporting early project evaluation and tender preparation.
Diagrams & Visual Explainers
Visual explanations of drilling methods, equipment, field processes, sample recovery, and project planning considerations.
Capability Sheets
Short, practical summaries of Longyear capabilities for technical review, project planning, and tender preparation.
Search
Find a resource
Browse by resource type, capability, or region, or search by keyword.
All Resources
Resource library
Browse method guidance, capability information, planning tools, and practical considerations for evaluating drilling work.
Drilling Methods Overview
An overview of Longyear drilling methods and where they may apply across exploration, underground, production, water, and specialized work.
- Guide
- Multi-Capability
Surface Coring: When Quality Core Matters
A guide to surface coring applications, sample quality, recovery requirements, and project conditions that shape method selection.
- Guide
- Surface Coring
- Web Article
Sonic Drilling: When Sample Quality Matters
An overview of Sonic applications where sample quality, hydrology, casing, instrumentation, or unconsolidated material influence method selection.
- Guide
- Sonic Drilling
Reverse Circulation Drilling: When Timely Sample Return Matters
A practical overview of reverse circulation drilling, sample return, and early exploration decisions.
- Guide
- Reverse Circulation
- Web Article
Directional Drilling: Reaching Path and Target Control
A guide to directional drilling considerations, target control, and where bore path matters to project planning.
- Guide
- Directional Drilling
- Diagram
Rotary Drilling: Applications and Site Considerations
An overview of rotary drilling applications, hole requirements, equipment considerations, and operating conditions.
- Guide
- Rotary Drilling
Underground Coring in Active Mine Environments
Guidance on underground coring access, space, safety controls, and data expectations in active operations.
- Guide
- Underground
- Web Article
Production Drilling: Accuracy, Repeatability, and Cycle Requirements
A resource for evaluating drilling where hole accuracy, repeatability, timing, and production cycles drive performance.
- Guide
- Production Drilling
Dewatering: Planning for Water-Affected Operations
Guidance on dewatering where water conditions affect access, safety, mine planning, or operational continuity.
- Guide
- Water & Support Service
- Web Article
Water Supply Drilling: Applications and Site Considerations
An overview of water supply drilling for projects where water access affects operations, infrastructure, or field planning.
- Guide
- Water & Support Service
Pump Services for Dewatering and Water Management
Practical pump service planning for dewatering, water access, operational continuity, and field response.
- Guide
- Water & Support Service
Preparing a Drilling Tender: Information to Include
A practical checklist covering project location, drilling objectives, site conditions, timing, and service requirements.
- Guide
- Multi-Capability
Browse by Capability
Explore resources by capability.
Review method guidance, technical considerations, and planning resources across Boart Longyear surface, underground, advanced, and water-related capabilities.
Surface & Exploration
Resources covering surface coring, reverse circulation, rotary drilling, sample quality, geological data, and exploration planning.
Related resources
Underground
Resources covering underground coring, production drilling, active mine environments, safety considerations, and execution planning.
Related resources
Advanced Methods
Resources covering Sonic, directional drilling, reduced-exposure systems, field data, and specialized technical applications.
Related resources
Water & Support Services
Resources covering dewatering, water supply drilling, pump services, field water management, and operational continuity.
Related resources
Project Inquiries
Need help identifying the right approach for your project?
Share the project location, drilling objective, ground conditions, operating constraints, and timeline. Longyear will connect you with the regional and technical team best suited to the work.