Complex sentence: According to the group's calculations, they save approximately NOK 500 million ($80 million USD) annually on tractor operations and from 1996 to 2005, tractors have covered an accumulated distance of more than 3,000 kilometers through horizontal wells for the company.
Split into simpler sentences: According to the group's calculations, they save approximately NOK 500 million ($80 million USD) annually on tractor operations. From 1996 to 2005, tractors have covered an accumulated distance of more than 3,000 kilometers through horizontal wells for the company.