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ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
E21B0007040000 Directional drilling 1
E21B0007060000 Deflecting the direction of boreholes 1
E21B0007080000 Special apparatus for deflecting the boring, e.g. special drill bits, knuckle joints, whipstocks (directional window cutting E21B0029060000; deflecting the direction of fishing tools E21B0031140000) 1
E21B0007100000 Correction of deflected boreholes 1
E21B0007120000 Underwater drilling (telescoping joints E21B0017070000; using heave compensators E21B0019090000; well heads specially adapted for underwater installations E21B0033035000) 1
E21B0007124000 with underwater tool drive prime mover, e.g. portable drilling rigs for use on underwater floors 1
E21B0007128000 from floating support with independent underwater anchored guide base 1
E21B0007132000 from underwater buoyant support 1
E21B0007136000 from non-buoyant support (E21B0007124000 takes precedence);; 1
E21B0007140000 Drilling by use of heat, e.g. flame drilling 1
E21B0007150000 of electrically generated heat 1
E21B0007160000 Applying separate balls or pellets by the pressure of the drill, so-called shot-drilling 1
E21B0007180000 Drilling by liquid or gas jets, with or without entrained pellets (E21B0007140000 takes precedence;hydraulic monitors E21C0045000000) 1
E21B0007200000 Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes (surface means for applying to-and-fro rotation movements to the casing E21B0003025000; placing piles E02D0007000000; sinking shafts while moving the lining downwards E21D0001080000) 1
E21B0007240000 Drilling using vibrating or oscillating means, e.g. out-of-balance masses (percussion drilling E21B0001000000) 1
จำนวนรหัสข้อมูล 15 จาก 73902