ดาวน์โหลด

ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ

รหัส / code คำอธิบาย / code name Version
E21B0028000000 Vibration generating arrangements for boreholes or wells, e.g. for stimulating production (for drilling E21B0007240000; for transmitting measuring-signals E21B0047140000; for geophysical measurements G01V0001020000) 1
E21B0029000000 Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows (perforators E21B0043110000); Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground 1
E21B0029020000 by explosives or by thermal or chemical means (destroying objects in boreholes or wells by explosives E21B0031160000) 1
E21B0029040000 Cutting of wire lines or the like (E21B0029020000 takes precedence);; 1
E21B0029060000 Cutting windows, e.g. directional window cutters for whipstock operations (E21B0029080000 takes precedence;whipstocks E21B0007080000) 1
E21B0029080000 Cutting or deforming pipes to control fluid flow (blow-out preventers E21B0033060000) 1
E21B0029100000 Reconditioning of well casings, e.g. straightening 1
E21B0029120000 specially adapted for underwater installations (E21B0029080000 takes precedence);; 1
E21B0031000000 Fishing for or freeing objects in boreholes or wells (provisions on well heads for introducing or removing objects E21B0033068000; locating or determining the position of objects in boreholes or wells E21B0047090000) 1
E21B0031030000 Freeing by flushing 1
E21B0031060000 using magnetic means 1
E21B0031080000 using junk baskets or the like 1
E21B0031107000 using impact means for releasing stuck parts, e.g. jars (telescoping joints E21B0017070000) 1
E21B0031113000 hydraulically operated 1
E21B0031120000 Grappling tools, e.g. tongs or grabs 1
จำนวนรหัสข้อมูล 15 จาก 73902