and tubing
Oil country tube goods (OCTG) is a high-strength steel pipe used for crude oil and natural gas production, which has excellent corrosion resistance, internal stress, and corrosion cracking resistance. The quality and performance of OCTG oil casing products produced in countries and regions such as China, South Korea, and Japan are core component products in oil drilling sites such as Texas in North America, Saudi Arabia, the United Arab Emirates, Dubai, Abu Dhabi, Iraq, Iran, Oman, and Nigeria in the Gulf and Middle East.
※ API 5CT petroleum casing can be divided into seamless steel pipes and welded steel pipes. Welded steel pipes mainly refer to straight seam steel pipes, while large-diameter petroleum casing is generally submerged arc welded straight seam steel pipes. The main application countries of this product are mainly distributed in the Middle East, Europe and America.
OCTG stands for "Oil Country Tubular Goods." These are a group of seamless rolled products such as casing, tubing, and drill pipes that are used in the exploration and production of oil and gas. OCTG products are crucial in the lifecycle of an oil or gas well, starting from drilling to production and finally abandonment or reclamation.
Here's a breakdown of the main types of OCTG products:
Casing: Casing pipes are large diameter pipes that are set into drilled oil or gas wells to stabilize the wellbore and prevent it from collapsing. Casing also helps in isolating different formations and controlling well pressures.
Tubing: Tubing is a smaller diameter pipe installed inside the casing to transport oil or gas from the wellbore to the surface. It also provides a conduit for injecting fluids into the well.
Drill Pipes: These are heavy, seamless pipes used to rotate the drill bit and circulate drilling fluid during the drilling process.
OCTG products are manufactured to withstand harsh downhole conditions, including high pressures, corrosive environments, and varying temperatures. They are typically made from high-strength steel alloys and undergo rigorous testing and inspection to ensure reliability and safety in oil and gas operations.