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Drill Pipe is mainly used in Oil Rigs for extracting and drilling natural resources. These Oil Drill Pipe also called Oilfield Pipe, Water Well Drill Rod or Drill Stem Pipes. Drill Steel Pipes are produced as per API 5DP and ISO 10424-1 standards. Find complete information about API 5DP Heavy Weight Drill Pipe Specifications, Sizes, Thread, Types, Grades and more.
Table Of Content
| Drill Pipe Sizes (OD) |
|
|---|---|
| Wall Thickness | Upto 12.70 mm |
| Length | R1, R2 and R3 |
| Drill Pipe Body |
|
| New and used drill pipe Inspection standard |
|
| End Protection | With Drill Pipe Thread Protectors |
| Types |
|
| Color | Black or Custom |
| Thickening type |
|
| End | NC series Tool-joints |
| Grades |
|
| Drill collars Material | AISI 4145H |
| Standard |
|
| Internal coating |
|
| Type |
|
|---|---|
| Pipe Body Type |
|
| Suitable for |
|
| Heat Treatment | Fully heat treated |
| Material |
|
| Heavyweight Drill Pipe Sizes (OD) |
|
| Manufacturing Standard | ISO 10424-1/API Spec 7-1 |
5 1/2 Inch API Drill Pipe
Heavy-duty Drill Pipe
API 5DP Gr E75 Drill Pipe
5.5 inch DTH Drill Pipe for Mining Drilling
API 6-5/8 Inch Drill Pipe for Petroleum
2 7/8" Heavy Weight Drill Pipe For water well drill rig
| Numerical (NC) threads | NC26, NC31, NC38, NC40, NC46, NC50 |
|---|---|
| Through-hole (FH) drill pipe joint | 5-1/2 FH, 6-5/8 FH |
| Inner flat (IF) joint | |
| Regular type (RGE) drill pipe joint thread |
Drill Pipe comes in a wide range of grades such as “D”, “E”, “G”, “S” and “X”.
High-Strength Drill Pipe comes in Grade X, G and S, check Grant Prideco grade list:
| Size | Calculated Weight (Lb/ft) Wpe | Nominal Weight | Drill Pipe Grade | Wall Thickness | Upset Type |
|---|---|---|---|---|---|
| 2 3/8" | 6.26 | 6.65 | E, G, X, S | 0.280" | EU |
| 2 7/8" | 9.72 | 10.40 | E, G, X, S | 0.362" | EU or IU |
| 3 1/2" | 8.81 | 9.50 | E | 0.254" | EU or IU |
| 3 1/2" | 12.31 | 13.30 | E, G, X, S | 0.368" | EU or IU |
| 3 1/2" | 14.63 | 15.50 | E | 0.449" | EU or IU |
| 3 1/2" | 14.63 | 15.50 | E, G, X, S | 0.449" | IEU or EU |
| 4" | 12.93 | 14.00 | E, G, X, S | 0.330" | EU or IU |
| 4 1/2" | 12.24 | 13.75 | E | 0.271" | EU or IU |
| 4 1/2" | 14.98 | 16.60 | E, G, X, S | 0.337" | IEU or EU |
| 4 1/2" | 18.69 | 20.00 | E, G, X, S | 0.430" | IEU or EU |
| 5" | 14.87 | 16.25 | E, G, X, S | 0.296" | IU |
| 5" | 17.93 | 19.50 | E | 0.362" | IEU |
| 5" | 17.93 | 19.50 | E, G, X, S | 0.362" | IEU or EU |
| 5" | 24.03 | 25.60 | E | 0.500" | IEU |
| 5" | 24.03 | 25.60 | E, G, X, S | 0.500" | IEU or EU |
| 5 1/2" | 19.81 | 21.90 | E, G, X, S | 0.361" | IEU |
| 5 1/2" | 22.54 | 24.70 | E, G, X, S | 0.415" | IEU |
| 6 5/8" | 22.19 | 25.20 | E, G, X, S | 0.330" | IEU |
| 6 5/8" | 24.21 | 27.70 | E, G, X, S | 0.362" | IEU |
Connection Specifications
| Nominal Size in (mm) |
Total Length ft (m) |
Pipe Body | Tool Joint | Weight | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WT in (mm) |
Elevator Upset in (mm) |
ID in (mm) | Center Pad OD in (mm) |
Area in2 (cm2) | Center Pad Length in (mm) |
Thread Type & Size | ID in (mm) |
OD in (mm) |
Pin & Box Length in (mm) |
kg per meter | ||
| 3-1/2 (88.9) |
31 (9.45) |
0.625 (16) |
3-5/8 (86) |
2-1/4 (57) |
4 (102) |
5.625 (36.3) |
18.5 (470) |
NC38 | 2-1/4 (57) |
4-3/4 (121) |
25/23 (635/584mm) |
39.8 |
| 4 (101.6) |
31 (9.45) |
0.625 (16) |
4-1/8 (105) |
2-1/4 (57) |
4-1/2 (114) |
6.627 (42.8) |
18.5 (470) |
NC40 | 2-1/4 (57) |
5-1/4 (133) |
25/23 (635/584mm) |
46.2 |
| 4-1/2 (114.3) |
31 (9.45) |
0.875 (22) |
4-5/8 (117) |
2-1/4 (57) |
5 (127) |
9.965 (64.3) |
18.5 (470) |
NC46 | 2-1/4 (57) |
6-1/4 (159) |
25/23 (635/584mm) |
67 |
| 5 (127.0) |
31 (9.45) |
1.000 (25.4) |
5-1/8 (130) |
3 (76) |
5-1/2 (140) |
12.566 (81) |
18.5 (470) |
NC50 | 3 (76) |
6-3/4 (171) |
25/23 (635/584mm) |
80.4 |
| 5-1/2 (139.7) |
31 (9.45) |
1.063 (27) |
5-11/16 (144) |
3-1/2 (89) |
6 (152) |
14.812 (95.6) |
18.5 (470) |
5-1/2 FH | 3-1/2 (89) |
7 (178) |
25/23 (635/584mm) |
93.4 |
| 6-1/2 (165.1) |
31 (9.45) |
1.063 (27) |
6-1/8 (156) |
4-1/2 (114) |
7-1/8 (181) |
18.567 (120) |
18.5 (470) |
6-1/2 FH | 4-1/2 (114) |
8 (203) |
25/23 (635/584mm) |
114 |
| Size | OD mm | ID | Wall thickness mm | Weight in kg/m |
|---|---|---|---|---|
| 33.5 | 33.5 | 23 | 5.25 | 3.66 |
| 40.5 | 40.5 | 31 | 4.75 | 4.19 |
| 42 | 42 | 32 | 5 | 4.56 |
| 50 | 40 | 37 | 6.5 | 6.97 |
| Grade | Yield Strength | Tensile Strength | ||||
|---|---|---|---|---|---|---|
| Minimum | Maximum | Minimum | ||||
| Mpa | Psi | Mpa | Psi | Mpa | Psi | |
| E-75 | 517 | 75,000 | 724 | 105,000 | 689 | 100,000 |
| X-95 | 655 | 95,000 | 862 | 125,000 | 724 | 105,000 |
| G-105 | 724 | 105,000 | 931 | 135,000 | 793 | 115,000 |
| S-135 | 931 | 135,000 | 1138 | 165,000 | 1000 | 145,000 |
| Drill Pipe body |
Phosphorus max. % | Sulfur max. % | ||
|---|---|---|---|---|
| Grade E | .030 | .020 | ||
| Grades G, X and S | .020 | .015 | ||
| Tool joint | .020 | .015 | ||
| Grade | Minimum Yield Strength | Minimum Tensile Strength |
|---|---|---|
| D-65 | 65,000 PSI | 95,000 PSI |
| G-105 | 105,000 PSI | 115,000 PSI |
| E-75 | 75,000 PSI | 100,000 PSI |
| X-95 | 95,000 PSI | 105,000 PSI |
| S-135 | 135,000 PSI | 145,000 PSI |
| Minimum Tensile Strength | 95,000 psi |
|---|---|
| Minimum Yield Strength | 55,000 psi |
| Minimum Elongation (%) | 18 |
| Grade | Minimum Yield Strength (psi) |
|---|---|
| D | 65,000 |
| E | 75,000 |
| X | 95,000 |
| G | 105,000 |
| S | 135,000 |
Red band marking means that the API Drill Pipe is now scrap and no longer to reuse.
According to API, upset is a forged end of a drill pipe used to increase the wall thickness.
SIDPP is a parameter of drilling operations which measure the pressure in the drill pipe when the well is shut in.
HS Code 730422
Fast and easy way is using a plasma cutter or cutting torch.
From its founding in 2007, Aesteiron Steels LLP is stockist and supplier of drill pipe and drill stem accessories. The company is exporting API Line Pipes in USA, UK and Europe. Contact via email info@aesteiron.com to buy New or Used Drill Pipe at best price in India.
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