Monitoring shock and vibration on oil rigs

Damage deterrent specialists Lamerholm Electronics has installed a number of its impact and environmental data recorders, the ShockLog 298 on oil rig platforms throughout the United States

Damage deterrent specialists Lamerholm Electronics has installed a number of its impact and environmental data recorders, the ShockLog 298 on oil rig platforms throughout the United States.

The RD298 units are currently being used by US oil companies for measuring the shock and vibration on the top drives of rigging platforms.

The RD298 Shocklog is a fully programmable, re-usable electronic event data recorder and is used throughout industry to help companies reduce the cost of shock and vibration damage.

Packed full of features, the RD298 monitors and reports on where and how equipment has suffered an event outside preset thresholds and real time date stamping provides detailed arbitration evidence.

Vibration monitoring can be achieved using g-rms (g root mean square) analysis.

The g-rms shows the vibration and shock energy that the Shocklog has been subjected to.

This means that Shocklog can be used for evaluating life expectancy of the equipment being monitored.

Multinational contract drilling organisation, GlobalSantaFe, has installed ShockLog on its drilling rigs in the US and a representative from the company stated "Within one month of installing ShockLog, we have gathered more relevant data than we've seen from years of previous vibration monitoring".

Engineers at Lamerholm have incorporated the latest software signal processing techniques so instead of the application being power hungry, the product has a long battery life.

Other features include three new channels of information in the downloaded data files enabling the user to compare peak and g-rms acceleration across all 3 axis of movement, a zoom and scroll facility, export feature for further analysis.

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