Geophysical seabed mapping equipment Geophysical
April 21, 20266 min

Sub-bottom profilers: what to choose for shallow-water site investigation

Penetration vs. resolution is the eternal trade-off. We break down which sub-bottom profiler classes suit pipeline route surveys, cable corridors and platform geotech.

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Ocean current ADCP deployment Oceanographic
April 14, 20267 min

Setting up an ADCP campaign that survives a Gulf summer

Biofouling, transducer angles and cell binning all conspire against clean current data in warm shallow water. Hard-won field practice from offshore Abu Dhabi.

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Survey equipment in transit case Equipment Rental
April 07, 20265 min

Rent or buy? A practical decision framework for survey contractors

Capex, depreciation, technology refresh, mobilisation logistics — when does owning the kit beat hiring it, and when does it actually cost you?

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Workshop calibration of survey instrument Calibration
March 31, 20266 min

Why traceable calibration matters more than the spec sheet

Manufacturer specs are best-case lab numbers. Traceable calibration is what tells you what your sensor will actually do on a boat in 38 °C heat after six months in storage.

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DNV offshore containers stacked at port Containers
March 24, 20265 min

DNV 2.7-1 offshore containers: what survey teams actually need to check

The certificate is the start, not the end of the story. Inspection windows, padeye condition and lifting set integrity are what keep your kit on the platform deck.

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ROV being deployed from offshore vessel Hydrographic
March 17, 20267 min

USBL acoustic positioning: getting accurate ROV tracks in noisy harbours

Ray-bending, multipath and acoustic-noise rejection — how to plan a USBL setup that holds positions tight in shallow, busy water.

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