Product Introduction
Oil drilling rods, also known as drill pipes, are core components in the oil and gas industry. They are designed to connect surface drilling equipment to drill bits, enabling the drill to penetrate deep into the earth's crust and access oil and gas reserves. These rods play a vital role in transmitting power, supporting drilling tools, circulating mud, and ensuring smooth drilling operations through layers of rock and soil. Our oil drilling rods comply with APISPEC7-1 standards, featuring high strength, stable performance, and long service life, suitable for various oil and gas drilling projects worldwide.
specifications
When selecting oil drilling rods, key factors such as material strength, length, connection type, and steel grade must be considered to match your drilling project requirements. Below are the common technical parameters and specifications:
|
Technical Parameters |
||||
|
Outer diameter/mm(in) |
Nominal mass/(kg/m) |
Wall thickness/mm |
Inner diameter/mm |
Tube cross-sectional area/cm2 |
|
60.3(23/8) |
9.892 |
7.11 |
46.1 |
11.89 |
|
73.0(27/8) |
15.475 |
9.19 |
54.64 |
18.44 |
|
88.9(31/2) |
19.788 |
9.35 |
70.212 |
3.36 |
|
88.9(31/2) |
23.061 |
11.41 |
66.09 |
27.77 |
|
101.6(4) |
17.63 |
6.65 |
88.29 |
19.85 |
|
101.6(4) |
20.828 |
8.38 |
84.84 |
24.55 |
|
114.3(41/2) |
26.933 |
9.47 |
95.35 |
31.2 |
|
114.3(41/2) |
29.756 |
10.92 |
92.46 |
35.47 |
|
127(5) |
24.2 |
7.52 |
111.96 |
28.22 |
|
127(5) |
29.011 |
9.19 |
108.6 |
134.03 |
|
139.7(51/2) |
32.583 |
9.17 |
121.36 |
37.6 |
|
139.7(51/2) |
36.754 |
10.54 |
118.62 |
42.77 |
Main technical parameters of Oil drilling rods
| Parameter name | illustrate |
|---|---|
| outer diameter(OD) | Common: 2 3/8", 2 7/8", 3 1/2", 4", 5" |
| inner diameter(ID) | Depends on the wall thickness of the pipe body, affecting the flow capacity of the drilling fluid |
| length | The standard length is about 9.5 meters (31 feet), called a "single" |
| Steel Grade | Represents the tensile strength level, such as E75 (lowest), G105, S135 (highest) |
| Connection Type | API IF,NC,FH(Full Hole) |
| weight | Weight per foot (lb/ft) affects tripping and derrick loads |
| Thickening form | EU (external thickening), IU (internal thickening), IEU (internal and external thickening) |
Product detail
- Brand Name: D miningwell
- Minimum Order Quantity: 1 set
- Packaging Details: Standard Export Packing
- Delivery Time:7-10 days
- Payment Terms:L/C, T/T, Western Union
The Oil drilling rods fitted with the same grade of drill pipe joint can also meet customer requirements. The manufactured drill pipe joints will be according to APISPEC7-1 standards. Advanced bore well rod friction welding production line can regulate the welding parameters to the best position to ensure the quality of the weld. Simultaneously inside and outside heat treatment and cooling mechanical properties are more uniform and steady.
Automatic length measurement and weighing, a spray mark can be done automatically with its record. Traceable products can thus be achieved. Rod strengthening heat treatment production line for advanced bore wells: CNC pipe full-heating furnace, quenching machine, and tempering furnace; advanced heat treatment process; precise temperature control ensures the pipe body's mechanical property. Pipe body hydraulic straightening machine ensures straightness and coaxiality.
The functions of the Oil drilling rods are mainly in the following aspects:
1) Energy transmission by rotation: Rotation of the drill bit involves the oil drilling rods in the transmission of power from the drilling rig down to the drill bit. In actual drilling, therefore, the drill pipe assumes the major responsibility for rotational energy transmission right from the drilling rig down to the drill bit.
2) Support drilling tools: The borewell rod not only transmits power, but also plays a role in supporting and fixing drilling tools. Drilling tools, such as drill bits, drill pipe joints, and drill pipe bottoms, require the support of borewell rods to smoothly carry out drilling operations.
3) Realize drilling operations: One of the main functions of oil drill pipes is to realize drilling operations. During the drilling process, the oil well drill pipe continuously pushes the drill bit into the formation, allowing the drilling to gradually extend downward.
4) Transmitting drill bit pressure: The oil drill rods also plays the role of transmitting drill bit pressure during drilling operations. By applying a certain pressure to the drill pipe, the impact force of the drill bit on the formation can be increased and the drilling efficiency can be improved.
5) Transmitting circulating mud: Circulating mud is an indispensable liquid in drilling. It is sent from the surface to the drill bit through the drill pipe, forming a vortex in the borehole, and washing the cuttings to the ground. The oil well drill pipe not only undertakes the task of transporting circulating mud to the drill bit, but also discharges the waste mud containing cuttings and pollutants from the bottom of the well.
6) Logging function: By installing sensors and instruments on the borewell rod, logging operations can be carried out. Logging is the work of using physical methods to detect the properties of the formations in the well and the oil and gas content. The oil well drill pipe measures parameters such as pressure, temperature, resistance, etc. during the drilling process through sensors, and provides important data about the formation conditions in the well.
In summary, the role of oil drill rods in oil well drilling includes transmitting rotational energy, supporting drilling tools, realizing drilling operations, transmitting drill bit pressure, transmitting circulating mud, and performing logging operations. It is not only one of the basic equipment for drilling, but also an important link to ensure the smooth progress of drilling and obtain formation information.
Use and maintenance of oil drill rods
1. Precautions for use
Avoid excessive bending, and the drilling speed should be uniform;
Different steel grades cannot be used together;
When working with high torque, anti-slip pliers or slips should be used.
2. Maintenance and care
Regularly check thread wear and cracks;
Use professional drill pipe thread grease to prevent "bite";
Long-term storage should be oiled to prevent rust and stored flat.
Shipping&Payment
Every piece of Miningwell equipment and drilling rig undergoes a rigorous load security check to ensure the safety of the cargo in the container.
Our payment methods: credit card, L/C, T/T, Western Union, and we support shipping by air and by sea.
Hot Tags: Oil drilling rods, China Oil drilling rods manufacturers, suppliers, factory, drill rod for mining, friction welded drill rods, drilling rod, Core drill bit rod, Drifter rod, drill shank adapter
