Drill pipe

Drill pipe
Product specification

Available sizes and grades

Size Nominal weight
   
Wall
 
thickness
Drill PipeTool   Joint

   
Upset
API 5D
  
BG series
APIBGDS
inlb/ftin Group 1 E Group 3 X
 
G S
BGD95U BGD95MS BGD95SS   BGD105MS BGD105SS BGD150
2 3/86.650.280EU***NC26BGDS26
2 7/810.400.362EU***NC31BGDS31
3 1/29.50.254EU*

NC38BGDS38
13.300.368EU***NC38BGDS38
15.500.449EU***NC38BGDS38
NC40BGDS40
414.000.330IU***NC40BGDS40
EU***NC46BGDS46
15.700.380IU***NC40BGDS40
EU***NC46BGDS46
4 1/216.600.337EU***NC50BGDS50
IEU***NC46BGDS46
20.000.430EU***NC50BGDS50
IEU***NC46BGDS46
519.500.362IEU***NC50BGDS50
NC52BGDS52
5 1/2 FHBGDS55
25.600.500IEU***NC50BGDS50
5 1/2 FHBGDS55
5 1/221.900.361IEU***5 1/2 FHBGDS55
24.700.415IEU***5 1/2 FHBGDS55
6 5/825.200.330IEU***6 5/8 FHBGDS65
27.700.362IEU***6 5/8 FHBGDS65

Interchangeability of connections

Number connectionEquivalent   connection
NC262 3/8 IF
NC312 7/8 IF
NC383 1/2 IF
NC404 FH
NC464 IF
NC504 1/2 IF

Product chemical composition
Drill pipe chemical compositions


 .
Spec

   
Grade
CSiMnP(Max.)S(Max.)CrMo
APIE, X, G, S---0.0150.003--
Tool joint---0.0150.003--

   
BG series
BGD150---0.0150.003--
BGD95U---0.0150.003--
BGD95MS---0.0150.003--
BGD95SS
   
BGD105MS
0.25~0.35-0.40~1.000.0150.0030.90~1.300.30~0.60
---0.0150.003--
BGD105SS0.25~0.35-0.40~1.000.0150.0030.90~1.300.30~0.60
BGD95SS   BGD105SS
   
Tool joint
0.25~0.35-ļ1.000.0150.0030.70~1.300.40~0.70

   
Other tool joint
---0.0150.003--

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 5DGroup 1E-7575  (517)105  (724)100  (689)API formula59  (80)-
3   Group
X-9595  (655)125  (862)105  (724)API formula59  (80)-
G-105105  (724)135  (931)115  (793)API formula59  (80)-
S-135135  (931)165 (1138)145 (1000)API formula59  (80)-

   
BG series

   
High strength
BGD150150 (1034)165 (1138)160 (1102)API formula59  (80)-
Sour ServicesBGD95U95  (655)120  (827)105  (724)17%74 (100)-
BGD95MS95  (655)110  (758)105  (724)17%74 (100)70%SMYS
BGD95SS95  (655)110  (758)105  (724)17%74 (100)85%SMYS
BGD105MS105  (724)120  (827)115  (793)17%74 (100)70%SMYS
BGD105SS105  (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 7All120  (827)-140  (965)13Min285HB59  (80)-

   
BG series

   
High strength
BGD150135  (931)-150 (1034)13Min285HB59  (80)-
Sour ServicesBGD95U120  (827)145 (1000)130  (896)13Min285HB66  (90)-
BGD95MS110  (758)125  (862)125  (862)13Max32HRC66  (90)-
BGD95SS110  (758)125  (862)125  (862)13Max32HRC66  (90)65%SMYS
BGD105MS110  (758)125  (862)125  (862)13Max32HRC66  (90)-
BGD105SS110  (758)125  (862)125  (862)13Max32HRC66  (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℃