Dec 23 (Reuters) - Savanna Energy Services Corp SVY.TO :
* Savanna board unanimously recommends rejection of total offer
* Savanna Energy - offer from total energy to purchase shares of Savanna on basis of 0.13 shares of total for each share of co undervalues shares of co Source text for Eikon: ID:nCCN2fxrPc Further company coverage: SVY.TO