Heavy Weight Drill Pipe

Heavy Weight Drill Pipe
For additional information on our Heavy Weight Drill Pipe offerings - please click here to download our brochure.
The industry standard when faced with the need for an intermediate-weight drill stem component is the Heavy Weight Drill Pipe. To make this drill pipe useful in several various applications, the Heavy Weight Drill Pipe is available in standard and spiraled. To improve tube life, reduce hole drag and differential sticking challenges, standard heavy weight utilizes a center upset or wear pad. RDT manufactures welded or integral heavy weight with the option of Range II or III.

SPECIFICATIONS OVERVIEW:

  • HWDP Specifications
    • API Certified
    • Re-Certified API
    • NS-1
    • Tuff Tube HWDP (New Product)
  • Range II & III
  • Standard, Spiraled Integral or Welded
    Note: above based on customer requests
  • 27" Tool joints for extra service
  • Hardbanding optional

 

Spiral Heavy Weight Drill Pipe

Tube Tool Joint Weight (lb)  
  Nominal Tube
Dimensions
  Mechanical Properties
Tube
  Mechanical Properties
Tool Joint
Approx. Incl.
Tube & Joints
 
Nom.
Size
ID Wall
Thick-
ness
Area
(in.2)
Center
Upsets
End Upsets Tensile
Yield
(lb)
Torsion
Yield
(ft-lb)
Conn.
Size and Type
OD ID Tensile
Yield
(lb)
Torsion
Yield
(ft-lb)
Per Foot Per Joint
(31 ft)
Min Make-up
 Torque
(ft-lb)
3-1/2 2-1/16 0.719 6.282 4 3-7/8 345,500 19,600 NC38 (3-1/2 IF) 4-7/8 2-1/8 842,400 22,900 30.00 930 11,500
3-1/2 2-1/4 0.625 5.645 4 3-7/8 310,500 18,500 NC38 (3-1/2 IF)
DS38
DT38
4-7/8
4-7/8
4-7/8
2-1/4 790,900 22,900
30,600
34,200
27.83 863 11,500
12,900
12,900
4 2-9/16 0.719 7.411 4-1/2 4-3/16 407,600 27,600 NC40 (4 FH) 5-1/4 2-9/16 838,300 27,800 33.49 1,038 13,900
4-1/2 2-3/4 0.875 9.965 5 4-11/16 548,100 40,700 NC46 (4 IF)
DS46
6-1/4
6-1/4
2-13/16
2-13/16
1,151,100
1,151,100
43,600
60,300
45.31 1,405 21,800
26,100
5 3 1.000 12.566 5-1/2 5-1/8 691,200 56,500 NC50 (4-1/2 IF)
DS50
DT50
6-5/8 3 1,416,200 57,800
82,900
88,800
61.71 1,913 28,900
34,600
34,900
5-1/2 3-1/4 1.125 15.463 6 5-11/16 850,400 75,900 5-1/2 FH
DS55
DT55
7-1/4 3-1/4 1,778,300 78,700
111,100
115,100
65.06 2,017 39,400
45,500
45,400
6-5/8 4-1/2 1.063 18.574 7-1/8 6-15/16 1,021,600 118,900 6-5/8 FH 8 4-1/2 1,896,100 87,900 74.44 2,308 43,900

Conventional Heavy Weight Drill Pipe

Tube Tool Joint Weight (lb)  
  Nominal Tube
Dimensions
  Mechanical Properties
Tube
  Mechanical Properties
Tool Joint
Approx. Incl.
Tube & Joints
 
Nom.
Size
ID Wall
Thick-
ness
Area
(in.2)
Center
Upsets
End Upsets Tensile
Yield
(lb)
Torsion
Yield
(ft-lb)
Conn.
Size and Type
OD ID Tensile
Yield
(lb)
Torsion
Yield
(ft-lb)
Per Foot Per Joint
(31 ft)
Min Make-up
 Torque
(ft-lb)
2-7/8 1-1/2 0.688 4.727 3-5/16 2-15/16 52,000 22,400 NC26 (2-3/8 IF) 3-3/8 1-1/2 357,700 6,300 17.26 535 3,800
3-1/2 2-1/16 0.719 6.282 4 3-7/8 345,500 19,600 NC38 (3-1/2 IF) 4-7/8 2-1/8 842,400 22,900 26.81 831 11,500
3-1/2 2-1/4 0.625 5.645 4 3-7/8 310,500 18,500 NC38 (3-1/2 IF)
DS38
DT38
4-7/8
4-7/8
4-7/8
2-1/4 790,900 22.900
30,600
34,200
24.64 764 11,500
12,900
12,900
4 2-9/16 0.719 7.411 4-1/2 4-3/16 407,600 27,600 ND40 (4 FH) 5-1/4 2-9/16 838,300 27,800 30.71 952 13,900
4-1/2 2-3/4 0.875 9.965 5 4-11/16 548,100 40,700 NC46 (4 IF)
DS46
6-1/4
6-1/4
2-13/16
2-13/16
1,151,100
1,151,100
43,600
60,300
42.66 1,322 21,800
26,100
5 3 1.000 12.566 5-1/2 5-1/8 691,200 56,500 NC50 (4-1/2 IF)
DS50
DT50
6-5/8 3 1,416,200 57,800
82,900
88,800
51.64 1,601 28,900
34,600
34,900
5-1/2 3-1/4 1.125 15.463 6 5-11/16 850,400 75,900 5-1/2 FH
DS55
DT55
7-1/4 3-1/4 1,778,300 78,700
111,100
115,100
63.14 1,957 39,400
45,500
45,400
6-5/8 4-1/2 1.063 18.574 7-1/8 6-15/16 1,021,600 118,900 6-5/8 FH 8 4-1/2 1,896,100 87,900 72.91 2,260 43,900
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PO Box 73
9022 Vincik Ehlert
Beasley, TX 77417
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sales@rdt-usa.com

Tel: 979-387-3223
Fax: 979-387-3232

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