OCTG (Oil Country Tubular Goods) refers to a range of piping products specifically designed for use in the oil and gas industry, particularly in drilling, completion, and production activities. These products are critical for the extraction, transportation, and management of hydrocarbons from reservoirs to the surface. OCTG pipes are manufactured in compliance with stringent standards, primarily those set by the American Petroleum Institute (API), such as API 5CT for casing and tubing, and API 5DP for drill pipes.

OCTG pipes can be categorized into three main types: Drill Pipe, Steel Casing Pipe, and Tubing Pipe. Drill pipes are used during drilling operations to transmit drilling fluid and torque to the drill bit, while casing pipes stabilize the wellbore and prevent collapse. Tubing pipes, on the other hand, are used to transport oil and gas from the reservoir to the surface. Additionally, OCTG includes couplings, connections, and accessories, which ensure secure, leak-proof joints and enhance operational efficiency.

These products are utilized in both onshore and offshore petroleum industries, where they must withstand extreme conditions such as high pressure, temperature, and corrosive environments. The quality and performance of OCTG pipes are vital to the success of oil and gas operations, making them indispensable in the global energy sector.