Vertical cutting dryer is a kind of single stage horizontal scraper discharge centrifuge. The cutting dryer can recycle liquid phase in drilling cuttings effectively and the solids phase is very dry. The cutting dryer is suitable for water based mud, oil based mud and synthetic base mud. The recycling of cutting mud can reduce the drilling cost and environment pollution. The treating capacity is 40 to 50 tons per hour. Usually, the treated well cutting’s oil content is less than 3% and conform to the requirement of typical 6% OOC.