Drill pipe chu steel pipe a ni a, a tawp chu threaded a ni a, chu chuan drilling rig chunglam hmanrua chu drilling leh grinding hmanrua emaw, well hnuai lama bottom-hole assembly emaw nen a thlunzawm a ni. Drill pipe hian drilling mud chu drill bit-ah a phur a, drill bit nen chuan a hnuai lam-hole assembly chu a chawi sang a, a ti hniam a, a tifai bawk. Drill pipe hian a chhung leh pawn lama pressure nasa tak, twisting, bending, leh vibration te a tuar chhuak tur a ni. Oil leh gas lakchhuah leh tihthianghlimna kawngah hian drill pipe hi vawi tam tak hman theih a ni.
Drill pipe hi bare pipe leh raw steel tubing atanga processing step hrang hrang hmanga siam a ni. A hmasain, bare pipe pawn lam chu chhung lam hawiin an ben a, pipe wall chu a ti thim a ni. A dawtah chuan thread-in a chak theih nan copper-in an plate a. Chumi hnuah chuan non-destructive quality control inspection tih a ni a, chu chufriction welding hmanga hmanrua inzawmkhawm tea upset pipe tawp thlengin.Chumi hnuah pipe body chu weld heat treatment leh final weld treatment neih a ni a, chu chuan residual weld stresses a ti bo thin. Drill pipe siam zawh tawh chu a paint leh package hmain testing dang, hardness testing, pressure testing, leh non-destructive testing te pawh tih a ni. Drill rod sei zawng hi a tlangpuiin metre 9 vel a ni.
Certification pek chhuah a ni
CE Certificate pek a ni
ISO 9001 Certificate a ni
API Q1 Certificate a ni
ABS Certificate a awm bawk
AP-5L Certificate pek a ni
API-5CT Certificate a awm bawk
