Complex sentence: In the period from 2010 to 2012, an additional seven exploration wells and five appraisal wells were drilled, and extensive flow testing was conducted and the recoverable resources increased from 5 + Trillion Cubic Feet (TCF) to 35-65 + TCF.
Split into simpler sentences: In the period from 2010 to 2012, an additional seven exploration wells and five appraisal wells were drilled, and extensive flow testing was conducted. The recoverable resources increased from 5 + Trillion Cubic Feet (TCF) to 35-65 + TCF.