Specifications
The 2-7/8″ drill pipe typically features an outer diameter of 2.875 inches and wall thickness ranging from 0.28 to 0.34 inches, depending on the grade and manufacturer. Standard lengths are usually 31–40 feet per joint. Common material grades include API 5DP K55, N80, and L80, ensuring high tensile strength, yield strength, and toughness. Pipes undergo rigorous heat treatment and inspection to meet international drilling standards.

Mechanical and Performance Advantages
This drill pipe size provides excellent bending and torsional resistance, making it suitable for vertical, directional, and horizontal drilling. Its uniform microstructure minimizes the risk of failure under high-pressure and high-temperature conditions, while corrosion-resistant coatings extend the service life in challenging downhole environments.

Applications
The 2-7/8″ drill pipe is ideal for oil and gas wells requiring intermediate to deep hole drilling. It is frequently used in conventional and unconventional reservoirs, including shale gas, offshore wells, and high-pressure high-temperature (HPHT) formations. Its versatility also makes it suitable for geothermal drilling and water well projects.

Selection Guide
Choosing the right drill pipe depends on expected load, well depth, and environmental conditions. Medium-tensile grades like K55 are suitable for standard operations, while higher grades such as N80 or L80 are recommended for deeper wells or corrosive formations. Ensuring compatibility with drilling tools and connection types is critical for safe and efficient operations.

For detailed specifications and technical guidance on the 2-7/8″ drill pipe, please visit our product page: 2-78 Drill Pipe Size（https://www.eastern-steels.com/newsdetail/difference-between-seamless-pipe-and-seam-pipe.html）