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Drill pipe

Product specification

Available sizes and grades

Size  Nominal weight
    Wall
 thickness		 Drill Pipe Tool   Joint

    Upset		 API 5D
   BG series		 API BGDS
in lb/ft in  Group 1 E  Group 3 X
 G S		 BGD95U BGD95MS BGD95SS   BGD105MS BGD105SS BGD150
2 3/8 6.65 0.280 EU * * * NC26 BGDS26
2 7/8 10.40 0.362 EU * * * NC31 BGDS31
3 1/2 9.5 0.254 EU *     NC38 BGDS38
13.30 0.368 EU * * * NC38 BGDS38
15.50 0.449 EU * * * NC38 BGDS38
NC40 BGDS40
4 14.00 0.330 IU * * * NC40 BGDS40
EU * * * NC46 BGDS46
15.70 0.380 IU * * * NC40 BGDS40
EU * * * NC46 BGDS46
4 1/2 16.60 0.337 EU * * * NC50 BGDS50
IEU * * * NC46 BGDS46
20.00 0.430 EU * * * NC50 BGDS50
IEU * * * NC46 BGDS46
5 19.50 0.362 IEU * * * NC50 BGDS50
NC52 BGDS52
5 1/2 FH BGDS55
25.60 0.500 IEU * * * NC50 BGDS50
5 1/2 FH BGDS55
5 1/2 21.90 0.361 IEU * * * 5 1/2 FH BGDS55
24.70 0.415 IEU * * * 5 1/2 FH BGDS55
6 5/8 25.20 0.330 IEU * * * 6 5/8 FH BGDS65
27.70 0.362 IEU * * * 6 5/8 FH BGDS65

Interchangeability of connections

Number connection Equivalent   connection
NC26 2 3/8 IF
NC31 2 7/8 IF
NC38 3 1/2 IF
NC40 4 FH
NC46 4 IF
NC50 4 1/2 IF

Product chemical composition
Drill pipe chemical compositions


 . Spec
    Grade		 C Si Mn P(Max.) S(Max.) Cr Mo
API E, X, G, S - - - 0.015 0.003 - -
Tool joint - - - 0.015 0.003 - -

    BG series		 BGD150 - - - 0.015 0.003 - -
BGD95U - - - 0.015 0.003 - -
BGD95MS - - - 0.015 0.003 - -
BGD95SS
    BGD105MS		 0.25~0.35 - 0.40~1.00 0.015 0.003 0.90~1.30 0.30~0.60
- - - 0.015 0.003 - -
BGD105SS 0.25~0.35 - 0.40~1.00 0.015 0.003 0.90~1.30 0.30~0.60
BGD95SS   BGD105SS
    Tool joint		 0.25~0.35 - ļ1.00 0.015 0.003 0.70~1.30 0.40~0.70

    Other tool joint		 - - - 0.015 0.003 - -

Product mechanical properties
Drill pipe mechanical properties


Spec
    Grade
    Yield strength
    Tensile strength
    Elongation
    Impact Value*
    SSC
    requirement
Min. Max. Min. Min. Min.
ksi  (MPa) ksi  (MPa) ksi  (MPa) % ft-lb  (J)
API 5D Group 1 E-75 75  (517) 105  (724) 100  (689) API formula 59  (80) -
3   Group X-95 95  (655) 125  (862) 105  (724) API formula 59  (80) -
G-105 105  (724) 135  (931) 115  (793) API formula 59  (80) -
S-135 135  (931) 165 (1138) 145 (1000) API formula 59  (80) -

    BG series
    High strength		 BGD150 150 (1034) 165 (1138) 160 (1102) API formula 59  (80) -
Sour Services BGD95U 95  (655) 120  (827) 105  (724) 17% 74 (100) -
BGD95MS 95  (655) 110  (758) 105  (724) 17% 74 (100) 70%SMYS
BGD95SS 95  (655) 110  (758) 105  (724) 17% 74 (100) 85%SMYS
BGD105MS 105  (724) 120  (827) 115  (793) 17% 74 (100) 70%SMYS
BGD105SS 105  (724) 120  (827) 115  (793) 17% 74 (100) 85%SMYS

Minimum average impact energy of each set of three full size longitudinal specimens at room temperature.
Tool joint mechanical properties


SPEC
    Grade
    Yield strength		 ܈
    Tensile strength
  Elongation
    Min.
    Hardness
    Impact Value*
    Min.
    SSC
    requirement
Min. Max. Min.
ksi  (MPa) ksi  (MPa) ksi  (MPa) % ft-lb  (J)
API Spec 7 All 120  (827) - 140  (965) 13 Min285HB 59  (80) -

    BG series
    High strength		 BGD150 135  (931) - 150 (1034) 13 Min285HB 59  (80) -
Sour Services BGD95U 120  (827) 145 (1000) 130  (896) 13 Min285HB 66  (90) -
BGD95MS 110  (758) 125  (862) 125  (862) 13 Max32HRC 66  (90) -
BGD95SS 110  (758) 125  (862) 125  (862) 13 Max32HRC 66  (90) 65%SMYS
BGD105MS 110  (758) 125  (862) 125  (862) 13 Max32HRC 66  (90) -
BGD105SS 110  (758) 125  (862) 125  (862) 13 Max32HRC 66  (90) 65%SMYS

 Pin:  Minimum  average  impact  energy  of  each  set  of  three  full  size  longitudinal  specimens  at  room temperature transverse specimens at -10℃ .
Box: Minimum average impact energy of each set of three full size transverse specimens at -10℃

Drill pipe

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