Significant gas discoveries in the deep waters of the Bay of Bengal off India's East Coast promise large resources of energy to sustain the country’s future growth.

Well tests will confirm the economic potential and producibility of these discoveries, but there are challenges.

Reservoir temperature exceeds the ratings of even the best instrumentation, so to get the most accurate results, pressure gauges must be deployed as close as possible to bottom without experiencing a failure.

One gauge was successful, setting a world’s record in the process.