40+ Years of Offshore Wireline Excellence

Designing, building and servicing offshore wireline units with unmatched expertise. ZONEPOWER delivers world-class technical consulting, fault diagnostics and Global support for the oil and gas industry.

ZONEPOWER offshore wireline unit logo
40+Years
40+ Years Experience
Worldwide Support
Technical Assistance
Spare Parts Supplied
Our Heritage

Conceived from Decades of Wireline Mastery

ZONEPOWER has been conceived by Steve Cowles and Steve Wison, combining over 40 years of knowledge from the ground roots upwards. ZONEPOWER Ltd provides independent aftermarket servicing, refurbishment, and technical support for wireline equipment operating in the energy sector.

Our engineers bring deep expertise across electrical systems, PLC programming, hydraulic circuits and mechanical assemblies — providing comprehensive fault finding and diagnostics that keep your offshore wireline operations running safely and efficiently, wherever you operate worldwide.

We specialise in maintenance, inspection, repair, and performance optimisation of wireline machinery. Our services are delivered by experienced engineers using independently developed procedures and technical methodologies.

Meet the people behind ZONEPOWER Ltd.


Steve Cowles - Director of Operations
Personal statement
Having worked on Wireline equipment for some 30 plus years I have gained extensive knowledge in what is required by our customers to keep them working in the field. Every care and attention is taken to keep downtime to a minimum and production high. During my career I have overseen the design and building of Winch units, Power capstans, logging masts and all associated equipment required within this industry, including the hydraulic closed loop systems, choosing the correct prime mover, pumps and control systems. I have been involved in all aspects of certification that are undertaken including Zone, Atex and U/L. DNV 2.7-1 and 2. I am also a coded welder in solid and cored wire from my earlier years in the workshop, so my knowledge of the fabrication world is extensive. I have over 30 years’ experience in building this type of equipment, starting in the workshops and moving up into my current position as Director of Operations.


Steve Wilson - Technical Director
Personal statement
I am a Senior Design, Project Engineer and Electrical & Instrumentation engineer and Manager, with experience covering over 20 years’ across the Oil & Gas, Renewable energy, Marine and Process automation sectors. During this time I have produced technical and commercial documents for tenders, analysed project scopes in a professional and thorough manner and then run them to their successful completion. I have an eye for figures, managing project budgets and resources including suppliers and sub-contractors negotiations. I have an excellent understanding of all aspects of certification that are undertaken including Atex, U/L class and division and DNV 2.7-1 and 2. For the last 6+ years I have been responsible for the continued development of electrical control systems and associated software controlling Wireline winches, Capstans and Masts. I have also been able to put to good use the extensive experience gained as a service engineer of 10+ years in the PLC and process control sectors during my early career.

40+
Years Experience
UK
To Global Support
100%
Commitment
What We Do

Comprehensive Offshore Wireline Services

From design and build through to ongoing maintenance, diagnostics and training — we deliver the full spectrum of wireline unit support for the oil and gas industry.

Wireline Unit Design & Build

The Team with over 40 years of designing and building offshore wireline units for the oil and gas sector. From initial concept through to full commissioning and deployment worldwide.

Electrical, PLC & Diagnostics

Expert electrical, PLC, hydraulic and mechanical fault finding and diagnostics performed by engineers with decades of hands-on wireline knowledge.

Worldwide Assistance

Wherever your offshore operations are based, our experienced engineers help.

Onsite Wireline Training

Comprehensive training programmes that can be delivered at your location globally, equipping your crew with the practical knowledge for safe and effective use of your equipment. The training procedures and service methodologies deployed by ZONEPOWER Ltd engineering team are hands on in nature for instruction and demonstration making them completely independent from the OEM.

Spare Parts Supply

Full availability to source and supply spare parts for all wireline equipment, winches, capstans and mast systems including compnents that may be difficult to source through the original manufacturers.

Technical Consulting

Telephone and email technical support. Tap into our extensive wireline knowledge base for rapid problem resolution.

Equipment Coverage

Wireline Systems We Support

We can provide aftermarket servicing for equipment previously manufactured by third party original equipment manufacturers. ZONEPOWER is a newly incorporated and independent company and is not a continuation of any prior manufacturer and are not affiliated with or endorsed by them. Typically this includes the following systems:

Open Hole type winches
Cased Hole type winches
Slickline type winches
Atex and UL certified type winches
Split unit type winches
Medium and High Tension Capstans
Logging Masts
Frequently Asked Questions

Common Questions About Our Wireline Services

Find answers to questions about our offshore wireline unit expertise, global support capabilities, and how we can assist your operations.

ZONEPOWER provides expert aftermarket servicing for out of warrantee units described in the industry as Open Hole, Cased Hole, Slickline and Split Unit Winches, Medium and High Tension Capstans and Logging Masts. Our engineers are knowledgeable in every aspect of these systems, from electrical and PLC controls to hydraulic and mechanical assemblies. We operate completey independently and are not affiliated with or endorsed by the OEM.
Yes. ZONEPOWER can provide worldwide onsite assistance, onsite training programmes, and telephone & email technical support to clients across the globe. Whether your operations are in the North Sea, Middle East, Africa or Asia Pacific, our experienced engineers can help.
Yes. ZONEPOWER has full availability to source and supply spare parts for all wireline equipment and systems, including winches, capstans and logging masts. ZONEPOWER supplies independently manufactured replacement components compatible with the original systems. ZONEPOWER does not use or rely upon confidential drawings, schematics, source code, or proprietary materials belonging to any third party but can design and manufacture independently developed compatible replacement components based on lawful inspection and measurement of equipment. We maintain strong supplier relationships to ensure rapid parts delivery.
ZONEPOWER provides comprehensive fault finding and diagnostics across all major wireline unit systems including electrical circuits, PLC (programmable logic controller) programming, hydraulic circuits and mechanical assemblies. Our engineers use decades of practical experience to efficiently identify and resolve issues, minimising downtime on your operations.
ZONEPOWER Ltd can provide aftermarket servicing for out of warrantee equipment previously manufactured by third party original equipment manufacturers and operate completely independently and are not affiliated with or endorsed by them, or sponsored by the holders of those marks, and does not assert any rights in those marks. Any use on this site is descriptive only and is not intended to imply any relationship, partnership, or endorsement
Get in Touch

Contact ZONEPOWER

Ready to discuss your wireline unit requirements? Get in touch today — we're available.

Availability — Worldwide

Telephone and email support for the global oil and gas industry. Wherever your offshore or onshore operation is located, our experienced wireline engineers are ready to assist.