Heavy Weight Drill Pipe /Drill Collar |Bestar Steel
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  • HW Drill Pipe/Drill Collar
  • HW Drill Pipe/Drill Collar
  • HW Drill Pipe/Drill Collar
  • HW Drill Pipe/Drill Collar
  • HW Drill Pipe/Drill Collar
  • HW Drill Pipe/Drill Collar
  • HW Drill Pipe/Drill Collar
  • HW Drill Pipe/Drill Collar
  • HW Drill Pipe/Drill Collar
  • HW Drill Pipe/Drill Collar

Heavy Weight Drill Pipe ,drill collar,HWDP,oil pipe,oil drill pipe    HW Drill Pipe/Drill Collar

Standard: API Spec7-1 OD: 3 1/2"~6 5/8" Material: 4145H, 4145H Mod and non-magnetic material Types:Integral and Friction welded / Integral Heavy Weight Drill Pipe / Integral Spiral Heavy Weight Drill Pipe

  • Description
  • Product Details
  • Process
  • Package & Transportation
  • Our Advantages
  • Inquiry

TopProduct Details

HW Drill Pipe/Drill Collar                                        HW Drill Pipe/Drill Collar                             

The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is similar with drill pipe. It is made from premium alloyed steel. Its both tool joints and middle upset are welded hardbands. Technical parameters meet with API Spec7-1 Standard. 

OD:3 1/2"~6 5/8" 

Material:4145H, 4145H Mod and non-magnetic material 

Standard:API Spec 7-1

Types:Integral and Friction welded / Integral Heavy Weight Drill Pipe / Integral Spiral Heavy Weight Drill Pipe

Hard band:Arnco100XT, Arnco200XT and Arnco300XT; Botn1000, Botn3000, TCS8000, TCS-Titanium, Armacor M etc. Also we can make according to customers' requirements.


The drill collar, mainly used for providing drill pressure, is manufactured in accordance with API Spec 7 and API RP7G. 

Standard: API SPEC 7-1
Grade: AISI 4145H
Dimension: 3 1/8"---11"
Connected Type:NC, IF, REG


Heavy Weight Drill Pipe Technical specifications and parameters:

Size(in) O.D. (in) I.D. (in) Tool Joint O.D. (in) Tool Joint I.D. (in) Connection Central upset dia. (in) Min.drift dia.size(in)
3 1/2 3 1/2 2 1/4
4 3/4 
(4 7/8, 5)
2 1/4 NC38 4 2
2  1/16 2  1/16 1 13/16
4 4 2 1/2 5 1/4 2 1/2 NC40 4 1/2 2 1/4
2  9/16 2  9/16 2  5/16
4 1/2 4 1/2 2 11/16 6 1/4 2 11/16 NC46 5 2  7/16
2 3/4 2 3/4 2 1/2
2 13/16 2 13/16 2  9/16
5 5 3 6 5/8 3 NC50 5 1/2 2 3/4
5 1/2 5 1/2 3 1/4
(7 1/4, 7 1/2)
3 1/4 5 1/2 FH 6 3
3 3/8 3 3/8 3 1/8
3 7/8 3 7/8 3 5/8
4 4 3 3/4
6 5/8 6 5/8 4
(8 1/4, 8 1/2)
4 6 5/8 FH 7 1/8 3 3/4
4 1/2 4 1/2 4 1/4
5 5 4 3/4


Integral spiral heavy weight drill pipe is to extend the central upset of heavy weight drill pipe and to cut spiral groove on heavy weight drill pipe. 

Technical specifications and parameters:

Size 
mm(in)
Pipe Body Tool Joint
I.D. 
(mm)
Elevator upset 
(mm)
Elevator/slip groove O.D. 
(mm)
Spiral O.D. 
(mm)
Spiral depth 
(mm)
O.D. 
mm
I.D. 
mm
88.9(3 1/2) 54 92.1 88.9 101.6 9.5 120.6 54
114.3(4 1/2) 69.8 117.5 114.3 127 12.7 158.8 69.8
127.0(5) 76.2 130.2 127 139.7 12.7 165.1 76.2



Drill Collar Technical specifications and parameters:

  O.D. I.D.
Length
(mm)
Bevel 
Diameter
Ref bend g 
Strength ratio
(mm) (in) (mm) (in)
NC23-31 79.4 3 1/8 31.8 1 1/2 9150 76.2 2.57:1
NC26-35(2 3/8 IF) 88.9 3 1/2 38.1 1 1/2 9150 82.9 2.42:1
NC31-41(2 7/8 IF) 104.8 4 1/8 50.8 2 9150 100.4 2.43:1
NC35-47 120.6 4 3/4 50.8 2 9150 114.7 2.58:1
NC38-50(3 1/2 IF) 127.0 5 57.2 2 1/4 9150 121.0 2.38:1
NC44-60 152.4 6 57.2 2 1/4 9150 & 9450 144.5 2.49:1
NC44-60 152.4 6 71.4 2 13/16 9150 & 9450 144.5 2.84:1
NC44-62 158.8 6 1/4 57.2 2 1/4 9150 & 9450 149.2 2.91:1
NC46-62(4IF) 158.8 6 1/4 71.4 2 13/16 9150 & 9450 150.0 2.63:1
NC46-65(4IF) 165.1 6 1/2 57.2 2 1/4 9150 & 9450 154.8 2.76:1
NC46-65(4IF) 165.1 6 1/2 71.4 2 13/16 9150 & 9450 154.8 3.05:1
NC46-67(4IF) 171.4 6 3/4 57.2 2 1/4 9150 & 9450 159.5 3.18:1
NC50-67(4 1/2 IF) 171.4 6 3/4 71.4 2 13/16 9150 & 9450 159.5 2.37:1
NC50-70(4 1/2 IF) 177.8 7 57.2 2 1/4 9150 & 9450 164.7 2.54:1
NC50-70(4 1/2 IF) 177.8 7 71.4 2 13/16 9150 & 9450 164.7 2.73:1
NC50-72(4 1/2 IF) 184.2 7 1/4 71.4 2 13/16 9150 & 9450 169.5 3.12:1
NC56-77 196.8 7 3/4 71.4 2 13/16 9150 & 9450 185.3 2.70:1
NC56-80 203.2 8 71.4 2 13/16 9150 & 9450 190.1 3.02:1
6 5/8 REG 209.6 8 1/4 71.4 2 13/16 9150 & 9450 195.7 2.93:1
NC61-90 228.6 9 71.4 2 13/16 9150 & 9450 212.6 3.17:1
7 5/8 REG 241.3 9 1/2 76.2 3 9150 & 9450 223.8 2.81:1
NC70-97 247.6 9 3/4 76.2 3 9150 & 9450 232.8 2.57:1
NC70-100 254 10 76.2 3 9150 & 9450 237.3 2.81:1
8 5/8 REG 279.4 11 76.2 3 9150 & 9450 266.7 2.84:1


TopProcess

Spiral-Wate™ HWDP


Standard Heavy Weight Drill Pipe


Tri-Spiral™ HWDP




TopPackage & Transportation

                              

                              

TopOur Advantages

1. We assure the lowest price with qualified products in China.
2. We accept various payment terms, for example TT, LC, Usance LC, DA, DP, OA etc. we can help our customer to win tender by our strong financial support.
3. We usually have large stock and assure for fastest delivery time.
4. Our products is qualified by many famous third party agent, such as SGS, BV, Intertek, Lloyd’s, TUV, Tuboscope, Forenergy etc. we accept any third party inspection.
5. Except steel pipes, we also can help customer to source fittings and accessory, we are integrate solution supplier.
6. With a team of more than 100 staff, we assure for fast response within 1 working hour for sales, technical and after sales service. 

Product Details

HW Drill Pipe/Drill Collar                                        HW Drill Pipe/Drill Collar                             

The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is similar with drill pipe. It is made from premium alloyed steel. Its both tool joints and middle upset are welded hardbands. Technical parameters meet with API Spec7-1 Standard. 

OD:3 1/2"~6 5/8" 

Material:4145H, 4145H Mod and non-magnetic material 

Standard:API Spec 7-1

Types:Integral and Friction welded / Integral Heavy Weight Drill Pipe / Integral Spiral Heavy Weight Drill Pipe

Hard band:Arnco100XT, Arnco200XT and Arnco300XT; Botn1000, Botn3000, TCS8000, TCS-Titanium, Armacor M etc. Also we can make according to customers' requirements.


The drill collar, mainly used for providing drill pressure, is manufactured in accordance with API Spec 7 and API RP7G. 

Standard: API SPEC 7-1
Grade: AISI 4145H
Dimension: 3 1/8"---11"
Connected Type:NC, IF, REG


Heavy Weight Drill Pipe Technical specifications and parameters:

Size(in) O.D. (in) I.D. (in) Tool Joint O.D. (in) Tool Joint I.D. (in) Connection Central upset dia. (in) Min.drift dia.size(in)
3 1/2 3 1/2 2 1/4
4 3/4 
(4 7/8, 5)
2 1/4 NC38 4 2
2  1/16 2  1/16 1 13/16
4 4 2 1/2 5 1/4 2 1/2 NC40 4 1/2 2 1/4
2  9/16 2  9/16 2  5/16
4 1/2 4 1/2 2 11/16 6 1/4 2 11/16 NC46 5 2  7/16
2 3/4 2 3/4 2 1/2
2 13/16 2 13/16 2  9/16
5 5 3 6 5/8 3 NC50 5 1/2 2 3/4
5 1/2 5 1/2 3 1/4
(7 1/4, 7 1/2)
3 1/4 5 1/2 FH 6 3
3 3/8 3 3/8 3 1/8
3 7/8 3 7/8 3 5/8
4 4 3 3/4
6 5/8 6 5/8 4
(8 1/4, 8 1/2)
4 6 5/8 FH 7 1/8 3 3/4
4 1/2 4 1/2 4 1/4
5 5 4 3/4


Integral spiral heavy weight drill pipe is to extend the central upset of heavy weight drill pipe and to cut spiral groove on heavy weight drill pipe. 

Technical specifications and parameters:

Size 
mm(in)
Pipe Body Tool Joint
I.D. 
(mm)
Elevator upset 
(mm)
Elevator/slip groove O.D. 
(mm)
Spiral O.D. 
(mm)
Spiral depth 
(mm)
O.D. 
mm
I.D. 
mm
88.9(3 1/2) 54 92.1 88.9 101.6 9.5 120.6 54
114.3(4 1/2) 69.8 117.5 114.3 127 12.7 158.8 69.8
127.0(5) 76.2 130.2 127 139.7 12.7 165.1 76.2



Drill Collar Technical specifications and parameters:

  O.D. I.D.
Length
(mm)
Bevel 
Diameter
Ref bend g 
Strength ratio
(mm) (in) (mm) (in)
NC23-31 79.4 3 1/8 31.8 1 1/2 9150 76.2 2.57:1
NC26-35(2 3/8 IF) 88.9 3 1/2 38.1 1 1/2 9150 82.9 2.42:1
NC31-41(2 7/8 IF) 104.8 4 1/8 50.8 2 9150 100.4 2.43:1
NC35-47 120.6 4 3/4 50.8 2 9150 114.7 2.58:1
NC38-50(3 1/2 IF) 127.0 5 57.2 2 1/4 9150 121.0 2.38:1
NC44-60 152.4 6 57.2 2 1/4 9150 & 9450 144.5 2.49:1
NC44-60 152.4 6 71.4 2 13/16 9150 & 9450 144.5 2.84:1
NC44-62 158.8 6 1/4 57.2 2 1/4 9150 & 9450 149.2 2.91:1
NC46-62(4IF) 158.8 6 1/4 71.4 2 13/16 9150 & 9450 150.0 2.63:1
NC46-65(4IF) 165.1 6 1/2 57.2 2 1/4 9150 & 9450 154.8 2.76:1
NC46-65(4IF) 165.1 6 1/2 71.4 2 13/16 9150 & 9450 154.8 3.05:1
NC46-67(4IF) 171.4 6 3/4 57.2 2 1/4 9150 & 9450 159.5 3.18:1
NC50-67(4 1/2 IF) 171.4 6 3/4 71.4 2 13/16 9150 & 9450 159.5 2.37:1
NC50-70(4 1/2 IF) 177.8 7 57.2 2 1/4 9150 & 9450 164.7 2.54:1
NC50-70(4 1/2 IF) 177.8 7 71.4 2 13/16 9150 & 9450 164.7 2.73:1
NC50-72(4 1/2 IF) 184.2 7 1/4 71.4 2 13/16 9150 & 9450 169.5 3.12:1
NC56-77 196.8 7 3/4 71.4 2 13/16 9150 & 9450 185.3 2.70:1
NC56-80 203.2 8 71.4 2 13/16 9150 & 9450 190.1 3.02:1
6 5/8 REG 209.6 8 1/4 71.4 2 13/16 9150 & 9450 195.7 2.93:1
NC61-90 228.6 9 71.4 2 13/16 9150 & 9450 212.6 3.17:1
7 5/8 REG 241.3 9 1/2 76.2 3 9150 & 9450 223.8 2.81:1
NC70-97 247.6 9 3/4 76.2 3 9150 & 9450 232.8 2.57:1
NC70-100 254 10 76.2 3 9150 & 9450 237.3 2.81:1
8 5/8 REG 279.4 11 76.2 3 9150 & 9450 266.7 2.84:1


Process

Spiral-Wate™ HWDP


Standard Heavy Weight Drill Pipe


Tri-Spiral™ HWDP




Package & Transportation

                              

                              

Our Advantages

1. We assure the lowest price with qualified products in China.
2. We accept various payment terms, for example TT, LC, Usance LC, DA, DP, OA etc. we can help our customer to win tender by our strong financial support.
3. We usually have large stock and assure for fastest delivery time.
4. Our products is qualified by many famous third party agent, such as SGS, BV, Intertek, Lloyd’s, TUV, Tuboscope, Forenergy etc. we accept any third party inspection.
5. Except steel pipes, we also can help customer to source fittings and accessory, we are integrate solution supplier.
6. With a team of more than 100 staff, we assure for fast response within 1 working hour for sales, technical and after sales service. 

Inquiry

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Heavy Weight Drill Pipe ,drill collar,HWDP,oil pipe,oil drill pipe