... Low cost in manufacture and downhole installations. Open hole area: 2%-6%. Base pipe: J55, N80, P110, etc. Product Characteristics:1. ... Slots are made on base pipes with large ID/OD ratio.2. High mechanical strength, high flexibility to allow ... in manufacture and downhole installations.4. Open hole area: 2%----your demand.5. Base pipe: J55, N80, P110, etc.Application:Wells ...