Reef and beach reservoir has great exploration significance Oil and gas resources are rich in reef reservoir. Statistics of the International Chemistry Industry Association (CIA) in 1977 show that recoverable reserves of the reefbeach oil and gas fields that have been discovered in the Reef and beach reservoir has great exploration significance Oil and gas resources are rich in reef reservoir. Statistics of the International Chemistry Industry Association (CIA) in 1977 show that recoverable reserves of the reefbeach oil and gas fields that have been discovered in the