Drill Pipe USA distributes
virtually all sizes of drill pipe for all your drilling needs. In many of the
more popular sizes,
We import
from the best mills around the world.
Please let
us quote your next drill string and we look forward to doing business with you.
Kelly
|
DPU can produce customized square or hexagonal Kellys with regular range of 12.19 meters. The raw materials utilized is AISI 4145H
alloy steel. Kelly ends and drive sections, I.D.s
and connections are all machined according to SY/T
6509-2000 standards.
|
Square Kelly Specification
|
|
Norminal
Size
|
Length
(ft)
|
Top Upset Joint
|
Bottom Upset
Joint
|
Bore ID
|
Drive Section
|
Est. Weight
k.g.
|
|
APIBOX
Thread Left
Hand
|
Du
|
Right Hand
Connections
|
DL
|
Across
Corners
|
Across
Flats
|
|
3-1/2
|
40
|
6 5/8REG
|
7 3/4
|
NC38(3 1/2IF)
|
4 3/4
|
2 1/4
|
4.437
|
3 1/2
|
596
|
|
4-1/4
|
40
|
6 5/8REG
|
7 3/4
|
NC46(41F)
NC50(4 1/2IF)
|
6~6 3/8
6 1/8~6 3/8
|
2 13/16
|
5.500
|
4 1/4
|
820
|
|
5-1/4
|
40
|
6 5/8REG
|
7 3/4
|
NC50
5 1/2FH
|
7
|
3 1/4
|
6.750
|
5 1/4
|
1250
|
|
6
|
40
|
6 5/8REG
|
7 3/4
|
6 5/8REG
|
7 3/4
|
3 1/2
|
7.625
|
6
|
1665
|
|
Hexagonal
Kelly Specification
|
|
Norminal
Size
|
Length
(ft)
|
Top Upset Joint
|
Bottom Upset Joint
|
Bore ID
|
Drive Section
|
Est. Weight
k.g.
|
|
APIBOX
Thread Left
Hand
|
Du
|
Right Hand
Connections
|
DL
|
Across
Corners
|
Across
Flats
|
|
3-1/2
|
40
|
6 5/8REG
|
7 3/4
|
NC31(2 7/8IF)
|
4 1/8
|
1 3/4
|
3.937
|
3 1/2
|
580
|
|
4-1/4
|
40
|
6 5/8REG
|
7 3/4
|
NC38(3 1/2IF)
|
4 3/4
|
2 1/4
|
4.781
|
4 1/4
|
780
|
|
5-1/4
|
40
|
6 5/8REG
|
7 3/4
|
NC46(4 IF)
NC50(4 1/2 IF)
|
6～6
3/8
6 1/8～6 3/8
|
3
3 1/4
|
5.900
|
5 1/4
|
1147
|
|
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Drill Pipe USA™ is a Trademark of
Wesley Holley RBI Industries LLC.
