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ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
E21B0041100000 Guide posts, e.g. releasable; Attaching guide lines to underwater guide bases 1
E21B0043000000 Obtaining fluids from wells 1
E21B0043000000 Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells (applicable only to water E03B; obtaining oil-bearing deposits or soluble or meltable materials by mining techniques E21C0041000000; pumps F04) 1
E21B0043010000 specially adapted for obtaining from underwater installations (underwater well heads E21B0033035000) 1
E21B0043013000 Connecting a production flow line to an underwater well head 1
E21B0043017000 Production satellite stations, i.e. underwater installations comprising a plurality of satellite well heads connected to a central station (underwater separating arrangements E21B0043360000) 1
E21B0043020000 Subsoil filtering (E21B0043110000 takes precedence;chemical compositions for consolidating loose sand or the like around wells C09K0008560000) 1
E21B0043040000 Gravelling of wells 1
E21B0043080000 Screens or liners 1
E21B0043100000 Setting of casings, screens or liners in wells (driving or forcing casings into boreholes, simultaneously drilling and casing boreholes E21B0007200000; setting of tools, packers or the like E21B0023000000; suspending casings in well heads E21B0033040000) 1
E21B0043110000 Perforators; Permeators 1
E21B0043112000 Perforators with extendable perforating members, e.g. actuated by fluid means 1
E21B0043114000 Perforators using direct fluid action, e.g. abrasive jets 1
E21B0043116000 Gun or shaped-charge perforators 1
E21B0043117000 Shaped-charge perforators (E21B0043118000 takes precedence);; 1
จำนวนรหัสข้อมูล 15 จาก 73902