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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

Oil supply set to grow to 2030 with no peak evident

Above ground drivers, not the amount of below ground resources will be crucial factor to flow of oil supply in the coming decades. Peter Jackson reports

Reservoir characterisation: microseismics now a key tool

William Wills looks at the increasing use of passive seismic and microseismic monitoring within the oil and gas industry

Sub-bottom survey of geological boundaries in the Arctic Circle

Though there may be vast, technically recoverable oil and gas reserves beneath the sea north of the Arctic Circle there are enormous challenges when operating in such a harsh environment. Neil MacDonald reports

Fluid mud density measurement saves harbour dredging costs

In just one outing, a mud density probe has saved Associated British Ports (ABP) over £70 000 in dredging costs

Record-breaking results from Oceanology International 2010

Visitors from 75 countries attended the exhibition with its 500 plus exhibiting companies

Surveys and basin analyses for offshore South America

Spectrum and Hamilton Group join forces to develop 2D multi-client surveys offshore South America

Metocean monitoring milestone

Fugro GEOS reaches a record total of a hundred simultaneous deployed oceanographic moorings

Hostile wells: the borehole seismic challenge

William Wills discusses some of the basic exploration challenges faced with characterising deep reservoirs in such a high risk, high cost environment, and the requirements of downhole seismic tools to overcome such issues

Presalt focus firmly on Brazil

Brazil's presalt area remains a focus for investment in South America. Sean Ottewell reports

The challenges of mapping small restricted sites

Carlo Peris and Tom Hiller describe an operation to perform bathymetric and topographic surveys to obtain accurate depth maps

Portuguese subsea services company launches with ROV deal

Rapid role-change during operations is a key feature where intelligent electronics offer a ‘plug and go’ simplicity

Remote exploration: the changing world of satellite communications

In what is a highly data-intensive industry, ships once had to collect seismic and other exploration data and bring it back with them when the ship next docked in port. But, as the search for oil and gas moves into deeper waters, satellite technology is the only realistic option for communication. Simon Watts reports

A new broadband solution takes to the water

A superior broadband marine seismic solution offers a new combination of leading equipment, unique acquisition techniques and patented de-ghosting and imaging technology to provide better subsurface images. Jo Firth reports

Deeper insight into the subsurface

The rising speed and lowering cost of processing power means that generating a complete synthetic seismic data set is now affordable for individual companies and many times cheaper than an actual seismic survey

Innovative approach to delivering integrated seismic PRM

Stingray Geophysical Limited has adopted an innovative approach to providing integrated seismic permanent reservoir monitoring

Semi-submersible vehicle for shallow coastal waters

Semi-submersible vehicles have hollow shaft angle sensors to maximise space

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