Since 1998 · ABS & BV Classed
Dech Oil Field & Energy Limited delivers non-destructive testing, hull thickness measurement and boiler & pressure vessel inspection for oil, gas and marine operators across Nigeria and West Africa.
On site
Win-Win Partnership
Value for clients, directors and staff.
Who we are
Registered in Nigeria as oil/gas, marine and energy contractors, we support facility owners from conceptual design to final commissioning, with our own inspection crews or as manpower inside your team.
We supply experienced technical and engineering professionals for project support, to complement the efforts of client personnel.
More About UsAreas of expertise
Seventeen specialist services, carried out on land, swamp and offshore locations by certified inspectors.
UT, MPI, DPI, radiography and eddy current inspection to find defects in welds, plates and components without taking them out of service.
ABS and BV approved ultrasonic gauging of hulls, decks and tanks for annual, intermediate and special class surveys, above and under water.
Maintenance, internal survey and inspection of boilers, pressure vessels and storage tanks, from fabrication through to turnaround.
Inspection and certification of plant and equipment to meet DPR, class society and statutory requirements.
MMA and TIG welding, fabrication and erection, plus welder training, qualification testing and certification.
Controlled heat treatment of circumferential welds, boiler rings and tubing to relieve residual stress.
On the job
Short clips from recent field work: thickness gauging inside a hull, and welding on a pipeline project.
Industry focus
Process facility inspection, pipeline maintenance, storage tanks, refinery turnarounds and downhole tool inspection under our DPR Major Category Permit.
Class-approved hull thickness measurement for annual, intermediate and special surveys on barges, tugs, FSOs, FPSOs and dredgers.
Fabrication, erection, maintenance and inspection of boilers, pressure vessels, ball tanks and LPG tanks, including hydro-testing and PWHT.
Recent work
Neptune Marine · 2026
At the request of our client NEPTUNE MARINE, Our UTM and megger test crew went onboard NP289 under Bureau Veritas Class, and satisfactorily carried out the total requirements: Hull Thickness Measurement and Electrical Insulation Testing (Megger Test). CLASS SOCIETY: BUREAU VERITAS VESSEL: NP289
Hull thickness measurement and Megger test
Brightwaters Energy Ltd · 2026
Three weeks of ultrasonic thickness measurement on the ABS-class Sea Horizon in July 2026.
Ultrasonic thickness measurement
Port Harcourt Refinery
Welding and erection of the first and second equators of the ball tanks, MPI of the external welds and internal survey of the tank.
Welding, fabrication, erection and inspection
Why Dech Oil
There is one simple reason companies depend on our engineering and inspection services. Whether it is an annual, intermediate or special survey, condition monitoring, or a full plant turnaround, our trained professionals assess each critical system accurately.
Trusted by
Tell us the vessel or plant, the class society and your dates. We will send a scope and a competitive quote.
