Enviros was contracted by Lukoil Oil Company Ltd to perform an integrated geophysical and geotechnical site survey and site investigation in Baltic Sea; where water depths ranged from 45m to 90m. The geophysical site survey scope of work comprised 114km multibeam echosounder lines and 44km analogue geophysical survey lines. Site survey data was acquired utilising a Reson 7125, Reson Navisound 600RT SBES and an Edgetech 2400 sidescan sonar. A MASA 3x3 element 3.5kHtz Pinger array and InfoXpress SeismicWave was also utilised as part of fieldwork operations. Enviros provided the multirole vessel MV Poseidon to perform all site survey scope of work.

The vessel MV Poseidon was also utlised by Enviros technical personnel as the platform to perform seabed sampling across the site survey locations comprising one hundred 6m vibrocores. All recovered samples were uniquely identifed, logged and described offshore with sections sealed for storage in the dedicated sample storage facility prior to preparation of onshore laboratory testing schedules to suit purpose of Lukoil Company.

Project Organisation

Enviros were responsible for performance of all pre-mobilisation, mobilisation, fieldwork, demobilisation and associated data processing, interpretation and reporting. A senior Enviros Project Manager with >15 years relevant offshore site survey / investigation experience was appointed on contract award and responsible for each project phase and Client liaisons throughout. The Enviros Project Manager was appointed an experienced Enviros Offshore Project Manager for all fieldwork operations.

The Project Manager had the role of managing day-to-day issues relating to the project, based onshore in the Enviros head office based in United Kingdom. The Offshore Project Manager was responsible to ensuring that the project is completed in accordance with Enviros procedures and to Client specifications. Responsibilities include, but not limited to being the immediate point of contact for any Offshore Client Representatives, ensuring project QHSSE procedures are adhered to during all offshore operations; this is to include mobilisation, field calibrations and checks, project tasks, post project calibration checks and demobilisation; and the production or approval of all necessary field reporting.