About Us

GREATWALL, one of Nigeria’s leading Oilfield service company traces its root back to 2007 when some group of experienced Nigerians came together to actively participate and fill the competence gap within the local industry in accordance with the federal government NCD directive.

With a combined senior management experience of over a hundred industry years, we strive to bring global best practices to the Nigerian content domain and across the gulf of Guinea.


Specializing in Electric-line logging (open hole/ cased hole), Slickline, well testing, Drill stem testing, perforation and Marine services, we strive to provide solutions that reduce environmental impact, improve well productivity and lower risk to the Oil and Gas operators.


Mission Statement


Our mission is to provide best in-class solution to our clients in an efficient and cost effective manner while preserving the safety of our personnel, equipment and the environment in which we work.




Our vision is to become one of the foremost Oilfield service company within the Nigerian content Domain and Gulf of Guinea.