The EM&I Group was awarded a contract to conduct an underwater inspection in lieu of drydocking (UWILD) using EM&I’s ODIN methodology on floating production units (FPU) located in Brazil.
EM&I’s ODIN method has four key stages: an engineering plan development, structural inspection of external features from within the hull, a mini ROV hull survey and an isolation valve inspection carried out by inserting a specialised camera system into the pipe. Apart from improved safety, reduced costs, improved compliance and higher value integrity information, a key benefit of the ODIN method stated by EM&I is the reduction in persons on board (POB) compared to carrying out an equivalent scope by conventional diver based surveys.
EM&I carried out a POB comparison of ODIN versus traditional (diver-based) UWILDs. This was based on the results from current ODIN work and using historical information of typical POB counts for conventional diver-based surveys.
Danny Constantinis, CEO EM&I Group, said of the comparison: “We took guidance from our clients and Classification Societies to ensure a like-for-like comparison. We also took a number of contingencies into account, such as weather and sea state, and found that the diver based UWILD uses between 70 and 74% more POB than an ODIN based survey.”
