PERTH, AUSTRALIA--December 11, 2012--Researched by Industrial Info Resources (Perth, Australia)--Santos Limited (ASX:STO) (Adelaide, Australia), Australia's second-largest oil and gas producer , has announced 100 redundancies from its South Australian operations, despite more than $11 billion (AUD$10.6 billion) in the investment pipeline. The job cuts are focused on office workers at the Adelaide corporate office and at the Moomba Central Processing Facility in the Cooper Basin.