Made In China API Casing and Tubing Oil Well Drill Steel Pipe for
Oil and Gas Project
Drill pipes that are used in applications such as DTH/ DTHR/ DR
basically comprise of a steel pipe with a pin at one end and a box
on the other. The job of the drill pipe is to transmit rotational
torque and thrust from the drill rig rotary head to down hole
drilling tools.
According to different application, different diameters of drill
tubes are needed, basically, smaller DTH hammers need smaller DTH
drill tubes, vice versa. Usually we are offering 50mm, 60mm, 76mm,
89mm, 95mm, 102mm, 114mm, 127mm, 140mm, 159 mm.
Usually the threads are standard API connections, like 2 3/8" API
REG thread, 3 1/2" API REG thread or API IF thread, etc. According
to customers request, from 1000mm to 6000mm length of pipe are
available.
Specification :
1.Reliable working performance
2.Outside Size:60mm,76mm,89mm,114mm,140mm
3.Thread:API Reg
4.Wall Thickness: 5.5/6.5mm/7.5/8.5mm/10mm
Products Parameters:
DTH drill pipes specifications |
Outer diameter | Thread | | |
Wall thickness | Length |
mm | inch | mm | mm |
76 | 3 | API 2 3/8 REG
API 2 7/8 REG
API 3 1/2 REG
API 4 1/2 REG
API 2 3/8 IF
API 2 7/8 IF
API 3 1/2 IF
API 4 1/2 IF
BECO 3 1/2" | 4 | 1000-6000 |
6.3 |
89 | 3.5 | 4 | 1000-6000 |
6.3 |
8.8 |
102 | 4 | 6.3 | 4000-6000 |
8.8 |
114 | 4.5 | 6.3 | 4000-9000 |
12.5 |
127 | 5 | 6.3 | 4000-9000 |
12.5 |
19 |
133 | 5.25 | 6.3 | 4000-9000 |
12.5 |
19 |
140 | 5.5 | 8.8 | 4000-9000 |
12.5 |
19 |
Application:
1. Low and middle pressure fluid transportation pipeline
2. Casing pipe
3. Low and medium pressure boiler seamless steel pipe
4. High pressure boiler seamless steel pipe
5. Carbon seamless steel pipe for ship
6. Seamless steel pipe used in high pressure chemical fertilizer
equipment
7. Petroleum and natural gas industry
8. Steel pipe for Heat exchanger
9. Used for diesel engine
10. Chemical industry, building industry, environment industry etc.
Specification of other DTH Pipes:
| Size(inch) | Weight Designation | Calculated Plain-End weight | Outside Diameter | Wall Thickness |
| Lb/ft | Kg/m | inch | mm | inch | mm |
| 2 3/8 | 6.65 | 6.26 | 9.32 | 2 3/8 | 60.3 mm | 2/7 | 7.11 mm |
| 2 7/8 | 10.4 | 9.72 | 14.48 | 2 7/8 | 73.0 mm | 1/3 | 9.19 mm |
| 3 1/2 | 9.5 | 8.81 | 13.12 | 3 1/2 | 88.9 mm | 1/4 | 6.45 mm |
| 3 1/2 | 13.3 | 12.31 | 18.34 | 3 1/2 | 88.9 mm | 3/8 | 9.35 mm |
| 3 1/2 | 15.5 | 14.63 | 21.79 | 3 1/2 | 88.9 mm | 4/9 | 11.40 mm |
| 4 | 14 | 12.93 | 19.26 | 4 | 101.6 mm | 1/3 | 8.38 mm |
| 4 1/2 | 13.75 | 12.24 | 18.23 | 4 1/2 | 114.3 mm | 1/4 | 6.88 mm |
| 4 1/2 | 16.6 | 14.98 | 22.31 | 4 1/2 | 114.3 mm | 1/3 | 8.56 mm |
| 4 1/2 | 20 | 18.69 | 27.84 | 4 1/2 | 114.3 mm | 3/7 | 10.92 mm |
| 5 | 16.25 | 14.87 | 22.15 | 5 | 127.0 mm | 2/7 | 7.52 mm |
| 5 | 19.5 | 17.93 | 26.71 | 5 | 127.0 mm | 1/3 | 9.19 mm |
| 5 | 25.6 | 24.03 | 35.79 | 5 | 127.0 mm | 1/2 | 12.70 mm |
| |
| Group | Grade | Yield Strength | Tensile Strength |
| Minimum | Maximum | Minimum |
| Psi | Mpa | Psi | Mpa | Psi | Mpa |
| 1 | E-75 | 75000 | 517 | 105000 | 724 | 100000 | 689 |
| 2 | X-95 | 95000 | 655 | 125000 | 862 | 105000 | 724 |
| G-105 | 105000 | 724 | 135000 | 931 | 115000 | 793 |
| S-135 | 135000 | 931 | 165000 | 1138 | 145000 | 1000 |
