Hydrography and geophysics
Multibeam and single-beam surveys, side-scan sonar and deep-water surveys. Calibration, acquisition, processing and data quality control.
EXPERTISE
Engineering expertise for marine and subsea operations.
Hydrography, subsea inspection, positioning and engineering support. We combine field experience, equipment knowledge and project management.
20+years of individual experience among experts in our pool
IHO Cat. Ahydrographic training in the expert pool
The pool includes client representatives, survey managers and party chiefs, hydrographic engineers, senior data processors, LBL metrology specialists and instructors. We select the team and responsibilities for each assignment. Experience working worldwide, at various depths and in challenging hydrological conditions.
01
From mobilisation
to verified data.
Subsea inspection
External inspection of pipelines, cables and subsea structures. Survey system and sensor integration on ROVs, with support for inspection, maintenance and repair operations.
Positioning and metrology
Surface and subsea positioning, USBL and LBL, subsea metrology and dimensional control. Configuration and verification of integrated navigation systems.
Offshore construction
Survey support for pipe and cable laying, dredging, rock placement and backfilling. Volume control, as-built surveys and diving support.
Engineering surveys
Pipeline and cable route surveys, area surveys, geotechnical operations and magnetometer surveys. Surveys to identify potential unexploded ordnance (UXO).
Management and assurance
Offshore survey and project management, client representation, quality control and HSE. Operational planning, reporting, procedures and work instructions.
Integration, commissioning and training
Mobilisation of hydrographic systems, including the deep-water Kongsberg EM 122, ROV equipment, pipelaying and cable-laying equipment, UXO search systems, dredging vessels, rock placement vessels and more. The full range of offshore mobilisation, from coastal surveys to drilling platforms. Verification of system accuracy and operability, user training, technical support and operational monitoring after commissioning.
Monitoring and data workflows
Water-level data collection, wave parameter observations, environmental sensors, telemetry and video recording. Hardware/software integration, data processing, charting and reporting.
02
Equipment our specialists
have worked with.
Selected systems from the expert pool’s professional experience. This is not a stock list or a statement of equipment ownership.
Multibeam echo sounders and bathymetry
KONGSBERG / Simrad EM 120, EM 122, EM 1002, EM 3000, EM 3002; RESON SeaBat 7125, 8101, 8125, 8125-H, 8160e, T50-P; R2Sonic Sonic 2022, Sonic 2024 and dual-head; GeoSwath 500 kHz; Imagenex Delta T, etc.
Single-beam echo sounders
Simrad EA-400P; Bathy 500MF; RESON Navisound 420 and series 600; Atlas Deso 17; Teledyne Odom Echotrac MKIII, etc.
Side-scan and imaging sonars
Klein 3900; Coda Octopus 760D; GeoAcoustics 114/410 kHz; YellowFin; C-MAX CM2; EdgeTech; Kongsberg MS1000; BlueView P900; Tritech SeaKing 704K, etc.
USBL / LBL / DVL subsea positioning
Kongsberg HiPAP 350, 500–502; Sonardyne Ranger 2, Fusion, Dunker, ROVNav, Scout, 6G Compatt, Gyro Compatt; EasyTrak; Applied Acoustics beacons; Kongsberg MST; Teledyne RDI Pathfinder DVL; Nortek DVL 1000, DVL 500 Compact; Sonardyne Syrinx DVL, etc.
Inertial systems, motion sensors and GNSS
Seapath 300; iXblue Octans, ROVINS, PHINS, Hydrins; Kongsberg HAIN; Seatex MRU-H/5; TSS DMS; SBG Systems Apogee; Applanix POS MV V5; C-Nav 2050R/3050M; Veripos LD2/LD2S/LD3S/LD5/LD6/LD7; Trimble SPS; Hemisphere; Septentrio, etc.
Sound velocity profilers and CTD
Valeport miniSVP, miniSVS, CTD/CTDS; SAIV CTD; Teledyne Odom Digibar-S; RESON SVP-70; SmartTalk, etc.
Magnetometry and pipe / cable tracking
Marine Magnetics SeaSPY; Foerster Multicat, FEREX 4.032; IXSEA Magis; Innovatum SMARTSEARCH, SMARTRAK; TSS 350/440; Radiodetection RD8000; Geoscanner Akula 9000, etc.
Geotechnical equipment
Shipek, Van Veen, Day and Hamon Grab; Box corer, Multi-corer, Gravity corer, Vibro corer, Piston corer; CPT / mobile CPT; PLT; Forum ROV Drill 3, etc.
ROVs and autonomous vehicles
Gavia AUV; ROV / WROV; SeaBat 7125 dual-head ROV; Innovatum SMARTSEARCH with ROV, etc.
Metocean and monitoring
Datawell DWR-G4; Valeport M780, MIDAS DWR/WTR, WLR; General Acoustics LOG_aLevel; RDI Doppler 900/1200 kHz; Teledyne Sentinel 300 kHz ADCP; CODE-H; Amaringo tide gauge, etc.
Total stations and LiDAR
Trimble S8; Leica 1201; Topcon GTS-100; Sokkia 530/530R; Velodyne VLP-16 with Sidus SS309, etc.
Telemetry and video
Pacific Crest ADL/EDL; Satel; Innova Matrix; Ubiquiti Bullet M2/M5; AIS; Oceantools digital video overlay; VisualSoft DVR; IP cameras, etc.
Models are grouped for reference. We confirm the relevant specialist, scope of experience and suitability of a system for your project before work begins.
03
From raw measurements
to engineering deliverables.
Surveying, navigation and photogrammetry
QINSy, EIVA NaviPac / NaviScan, HYPACK, Kongsberg SIS / Merlin, PDS2000, Fugro StarFix, etc.
Data processing and quality control
Qimera, CARIS HIPS & SIPS, Qloud, EIVA NaviEdit / NaviModel, Neptune, Poseidon, CFloor, Terramodel, Surfer, Agisoft, etc.
GIS and engineering documentation
QGIS, Global Mapper, Fledermaus, Oasis montaj, AutoCAD, BricsCAD, Civil 3D.
Inspection and system configuration
VisualSoft / VisualWorks / VisualEdit, Sonardyne Connect / Fusion / SensorView, TSS DeepView, RESON 7k controller, RDI WinSC / VmDas / BBTalk.
Tell us about your operation, equipment and required deliverables. We will identify the expertise your project needs.
Ask an expert