ENERGY
Along with its work on some other projects, Sigra built up its own technologies, which was vital to the economic success of the company. In 1996, the company developed its overcore stress measurement system (IST), which allowed for HQ coring at depths of 2000 m.
The company undertook further innovations, eventually working on field measurement projects. This led to the evolution of the tectonic strain theory that explained the varying stresses measured through sedimentary strata. Now, this process has been nearly universally sigra.com.au
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