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Seismic fleet targets 3D and 4D high-end surveys

Responsible exploration of new frontiers is made possible with the latest maritime advances. Christian Fenwick reports

'Coil shooting' method improves imaging of complex geology

'Coil shooting' is a new single-vessel method for acquiring seismic data over a wide range of azimuths to improve imaging of complex geology. Jeremy Cresswell reports.

Adapt and innovate to survive impact of the financial crisis

Dr Neil Grosse looks at how the financial crisis that has impacted all areas of the global economy, not least the seismic and hydrographic industry.

Challenging times as doubts raised over CSEM technique

Life in the controlled source electromagnetic survey camp remains challenging, reports Jeremy Cresswell.

Survey data vital to selecting routes for subsea pipelines

Long subsea pipelines need a safe and stable route to shore. Pat Fournier, Senior Geophysicist with Australia's Neptune Marine Services, explains the need for good quality survey data from beneath the seabed

AUV supports environmental monitoring, wide area surveys

Carl-Marcus Remén reports on a new generation of autonomous underwater vehicles in the international oil and gas market.

Hybrid robot vehicle undertakes record-breaking dive

There is an underwater vehicle flavour to Jeremy Cresswell's look at what's fresh on the hydrographic front, notably a new type of hybrid robot vehicle for deepsea survey and a semi-submersible vehicle designed to replace small survey monohulls

New multibeam echo sounder launched

Acoustic time delay beamforming techniques to deliver high quality survey data, says Tritech

Accelerating 3D seismic data analysis on desktop workstations

A new range of graphical processors can bring server cluster performance onto the desktop for under $10000. Keith Forward reports

Submersible hydrostatic level transmitters for depths of 200m

New from Impress Sensors and Systems is the SDI-12L range of submersible level transmitters that are manufactured from stainless steel or marine-bronze

Integrating wide swath sonar with the portable AUV

Project to collect high resolution, high accuracy co-registered bathymetry and side scan survey data

Underwater thickness gauge is IPX8 rated

Rugged underwater thickness gauges for divers carrying out maintenance inspections and corrosion checks

768 fibre optic sub-sea riser cable sets new world record

Einar Magnus Bjelland and Jon-Steinar Andreassen look at the scope of work for the 768 fibre riser cable, including the arrangements for the pull-in operation

NOAA Office of Coast Survey buys AUV

The Iver vehicle enables NOAA to evaluate the expanding role of small, lightweight AUVs for near coastal studies

Double naming ceremony for 3D seismic survey vessels

Purpose-built 3D seismic vessels incorporate the advanced features and maritime technologies for minimising the vessels environmental footprint including the risk of accidental pollution into the marine environment.

Wave equation migration imaging gives clearer sub-salt definition

A novel seismic imaging technique which can penetrate difficult geologies such as salt formations could raise the Gulf of Mexico to a whole new level of exploration importance. Sean Ottewell reports

Increasing array of 4D kit as the market shows steady growth

Since 4D and related systems came into use in the mid-1990s, there has been a steady growth in the market and growing array of kit and techniques designed to improve data quality and therefore provide better reservoir management tools. Jeremy Cresswell reports

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