DRILL PIPE USA

TEL: 281-370-7447 – FAX: 281-576-1150

Houston, Texas

Email: pipe@drillpipe.us

 

Drill Pipe USA distributes virtually all sizes of drill pipe for all your drilling needs. In many of the more popular sizes, Drill Pipe USA is a stocking distributor of the most popular sizes and we also supply drill collars and hevi-wate pipe. We import from the best mills from Japan, China, USA and other major 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)

66 3/8
6 1/86 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.