Diamond Coring Drilling
A complete surface diamond drilling service with a full range of sizes and an enviable reputation for delivery in hard ground.
Exploration & Grade-Control Drilling
Accuracy is our hallmark.
BOBJOSH delivers diamond core, reverse-circulation, grade-control and geotechnical drilling across Ghana and West Africa, with sampling you can trust.
Mineral Exploration
Core data that de-risks your resource.
Full-range diamond core and RC drilling with high sample recovery and disciplined logging for confident resource decisions.
Experienced Crews, Modern Fleet
Premium rigs. Remote-ready crews.
A modern Epiroc rig fleet and all-terrain crawlers, run by experienced professionals, reach Africa's most challenging sites safely.
Our People. Our Strength
Skilled Crews. Proven Results
From remote exploration sites to challenging terrain, our experienced drilling teams deliver safe, reliable results — every hole, every shift
Exploration Drilling Across Africa
Where the Work Gets Done
Our teams operate in the toughest conditions to deliver accurate core samples and dependable drilling for mining and mineral exploration
Safety First, Every Site
The Team Behind the Rig
Trained, committed, and equipped — our crews bring the experience and discipline that keep projects moving and everyone home safe.
Trusted Drilling Partners
Grounded in Experience
Partner with a team that knows the ground beneath your project — delivering quality exploration drilling from mobilization to final core
Exploration Drilling Specialists
Reaching Ground Others Can't
From remote ridgelines to deep terrain, we mobilize skilled crews and rugged rigs to deliver accurate exploration drilling — wherever the resource lies.
On Site Across Africa
Terrain Too Remote
Our rigs reach the hardest-to-access sites, delivering dependable drilling and quality core from the field to your desk.
Drilling. Exploration. Delivered
Built for the Field
Proven equipment, experienced crews, and a relentless focus on results — driving mineral exploration forward, one hole at a time
- 450 m
- Rig drilling depth capacity
- 4
- Core drilling services
- Ghana
- Operating across West Africa
- 100%
- Commitment to safety (HSE)
What we drill
All services
Exploration drilling built for accurate results.
Reverse Circulation (RC)
Uncontaminated sample return through the inner pipe, maximising geological recovery in adverse drilling conditions.
Learn moreGrade Control Drilling
Adds value to mineral operations by verifying that mined ores contain the minerals expected and improving efficiency.
Learn more
Geotechnical Drilling
Determines soil and rock characteristics for construction, soil stabilisation and ground investigation.
Accuracy
is our hallmark on every hole.
Why clients drill with BOBJOSH.
From mobilisation to sample handover, we run tight, safe operations that give geologists and engineers dependable ground data.
Accuracy first
Precise siting, sampling and logging, so the core and data we hand over are dependable.
Modern rig fleet
Premium Epiroc rigs and all-terrain crawlers that reach remote, challenging sites.
Experienced crews
Motivated, well-trained professionals with knowledge aligned to global best practice.
Safety-led operations
HSE management systems built to internationally recognised standards on every project.
How a drilling programme runs.
A clear path from enquiry to sample handover, so you always know what is happening on your site.
01
Site assessment
We review scope, access and ground conditions to plan the right rig and programme.
02
Mobilisation
Crews, rigs and all-terrain crawlers reach site safely, on the agreed schedule.
03
Drilling & sampling
Controlled diamond core or RC drilling with logged, high-recovery samples.
04
Reporting & handover
Sample results and records compiled and handed over for confident decisions.
Our drilling in the field.
View all projects
Diamond core drilling rig
Cocoa-belt site, Ghana
Client core inspection
Ghana
Epiroc crawler rig on site
Remote forest access, Ghana
BOBJOSH drill crew
Ghana
Wherever we operate, we identify and manage risk, strive for leading drilling-industry practice, and care for the environment and the communities around us.
BOBJOSH Drilling Services
From our Code of Ethics
Planning a programme? Let's get your site drilled right.
Tell us about your exploration, grade-control or geotechnical drilling programme and we will scope it with you.
Request a quote
Get a drilling quote for your site.
Share your project details and our team will respond with scope, approach and pricing within one business day.
Call us
+233 24 429 1525
Email us
info@bobjoshdrillingservices.com
Visit us
PMB-Opp. Municipal Assembly Ahwetieso - Tarkwa, Tarkwa