Ọrụ nke eriri ndọda API 7K Ụdị DU Drill Pipe Slip Drill

Nkọwa Dị Mkpirikpi:

E nwere ụdị mpempe akwụkwọ atọ nke usoro DU: DU, DUL na SDU. Ha nwere oke njikwa na ibu dị mfe. N'ime ya, mpempe akwụkwọ SDU nwere ebe ndị buru ibu na-emetụ aka na taper na ike iguzogide dị elu. Emebere ma rụpụta ha dịka nkọwa API Spec 7K si dị maka ngwa ịgba ala na ịrụ ọrụ olulu mmiri.


Nkọwa Ngwaahịa

Akara Ngwaahịa

E nwere ụdị mpempe akwụkwọ atọ nke usoro DU: DU, DUL na SDU. Ha nwere oke njikwa na ibu dị mfe. N'ime ya, mpempe akwụkwọ SDU nwere ebe ndị buru ibu na-emetụ aka na taper na ike iguzogide dị elu. Emebere ma rụpụta ha dịka nkọwa API Spec 7K si dị maka ngwa ịgba ala na ịrụ ọrụ olulu mmiri.

Usoro Nkà na ụzụ

Ụdịdị Nha Ahụ Na-amị amị (na)
4 1/2 5 1/2 7
DP OD DP OD DP OD
in mm in mm in mm
DU 2 3/8 60.3 3 1/2 88.9 4 1/2 114.3
27/8 73 4 101.6 5 127
3 1/2 88.9 4 1/2 114.3 5 1/2 139.7
4 101.6 5 127 6 5/8 168.3
4 1/2 114.3 5 1/2 139.7 7 177.8
DUL 2 3/8 60.3 3 1/2 88.9 4 1/2 114.3
27/8 73 4 101.6 5 127
3 1/2 88.9 4 1/2 114.3 5 1/2 139.7
4 101.6 5 127 6 5/8 168.3
4 1/2 114.3 5 1/2 139.7 7 177.8
SDU     3 1/2 88.9 4 1/2 114.3
    4 101.6 5 127
    4 1/2 114.3 5 1/2 139.7
    5 127 6 5/8 168.3
    5 1/2 139.7 7 177.8

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