One of Nigeria’s Coring Authorities
Two Decades of Upstream Precision and Downstream Energy Solutions
Explore Our Services
Precision Coring.
Trusted Reservoir Intelligence.
Providing accurate subsurface data through specialized
coring operations that support smarter exploration and
production decisions.
Our Capabilities
Built for Challenging Environments
From planning to execution, our experienced teams
deliver safe, efficient, and dependable coring solutions in
complex operating conditions.
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0
Years of Experience
0
+
Projects Delivered
0
countries serviced across Africa
200
%
Zero LTIs
Our 20-Year Legacy
Established in 2006, Cortech Oil Services Limited (COSL) is a 100%
indigenous company with over 20 years of proven experience delivering
world-class integrated solutions across the energy value chain. We
operate two pillars of excellence: our Upstream Division specialises in
high-precision core retrieval and facility integrity, while our
Downstream Division drives energy accessibility as a premier LPG
Off-taker.
Our approach combines technical excellence and
operational efficiency with an unwavering commitment to safety, quality,
and environmental responsibility. We are driven by long-term
partnerships, innovative solutions, and a deep understanding of the
evolving energy landscape—positioning us as a trusted partner in
delivering value across the energy value chain.
OUR SERVICES
Technical Authority on Coring Retrieval
COSL stands as a leading technical authority on high-specification core retrieval within Nigeria. Utilizing an elite suite of premium technologies and proprietary methodologies
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Perfomance tools and Integrity Solutions
We provide an elite fleet of high-performance down-hole tools maintained to international standards, designed to maximize drilling efficiency and production outcomes in the most
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Pipeline and Infrastructure
Expert project management for onshore pipeline construction, backed by a proven track record of successful project delivery.
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LPG Off-taking and Distribution Networks
Bridging the gap between bulk production and the domestic end-user through a robust supply chain and a growing network of regional distribution outlets.
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