Oil & Gas News

Horizon Geosciences Introduce CP Survey Services as Demand for Maintaining Existing Subsea Assets Rises

1Horizion CPSURVEYlow1Horizon Geosciences has announced the introduction of Cathodic Protection (CP) Surveys to its list of Survey services as demand for maintaining existing subsea assets rises in the oil and gas sector. CP Surveys are used to assess and control the integrity of metal subsea assets as environmental and time related factors can cause corrosion of important offshore and nearshore infrastructure and components.

A full package of services is being offered to Horizon’s clients, from data acquisition to processing and reporting with CP Survey options including ROV and Trailing Wire (proximity and contact). Horizon also confirmed they use a new, cutting edge CP system considered to be one of the smallest in the world.

Horizon Geosciences Project Manager Sean Lowe commented;

“The CP System we use is very compact and robust. Due to its size, the CP can be deployed in smaller ROV models. It’s compatible with any ROV and industrial communication protocols (RS485 and RS232). It produces very low noise data, highly accurate results and can be mobilized in less than an hour with no surface equipment required.”

Horizon recently completed its first CP Pipeline Survey for Halul Offshore Services nearshore, Qatar. The Trailing Wire method was used, whereby teams of engineers made hard wire connections at test points along a beach, these ran to the water line where the trailing wire was connected. The Survey vessel ran 6 X 3KM survey lines individually towing a dummy fish with a AG/AGcl cell attached. Both the cell and Trailing Wire were connected to online data acquisition software to record the data, against the provided navigation. The results were then processed and presented to the client in a comprehensive report.

Horizon Geosciences Project Manager, Sean Lowe concluded;

“Corrosion is an electrochemical process that occurs in stages and if left untreated, subsea infrastructure can become hazardous and restoration costly. Horizon’s CP Survey services enable clients to assess important subsea assets and make informed maintenance decision.”

Dedicated to quality marine science, Horizon Geosciences is a leading provider of marine survey and geotechnical services to the offshore industry. Working across sectors including oil & gas, renewables, civil, subsea and offshore construction, Horizon can support every stage of offshore and nearshore projects across continents. With offices in the UAE, India and the UK Horizon’s fleet of offshore vessels are primarily dedicated to the North Sea and Atlantic region plus the Middle East and Indian Ocean.

Quick facts about Horizon’s assets & history:

Established: 2004
Group employees: 400
Countries operated in: 30
Offshore Vessels: 4
Nearshore survey boats: 4
Self Elevating Platforms: 4
ROVs: 8
MBES & Geophysical Spreads: 10
Geotechnical Drill Rigs (with Wison & CPT system: 3
Offshore Geotechnical Drilling Labs: 4
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