Changsha Xiangjia Metal Materical Co., Ltd.

Oil Country Tubular Goods   (OCTG) are vital components in oil and gas drilling activities. The term OCTG refers to a range of piping products specifically designed for use in the production of oil and gas. These products include drill pipes, casing pipes, tubing pipes, couplings, connections, and accessories. In this article, we will focus on the significance of drill pipes, one of the three main types of OCTG pipes. A drill pipe is a robust, seamless tube that serves a crucial role in drilling operations. It facilitates the rotation of the drill bit and allows the circulation of drilling fluid. This fluid helps in pumping through the drill bit and flowing back up the annulus, the space between the casing and the piping. The Importance of Drill Pipe in OCTG Endeavors: Drill pipes are designed to withstand axial tension, high torque, and internal pressure. Their strength and durability make them indispensable in the oil and gas industry. Here are some key reasons why drill pipes ar...

Petroleum casing is a large-diameter pipe that serves to fix oil and natural gas well walls or boreholes. The casing is inserted into the borehole and fixed with cement to prevent the borehole from separating the rock formation and the borehole from collapsing, and to ensure the circulation of drilling mud to facilitate drilling and exploitation. Different types of casing pipe that used in the process of oil extraction: Surface oil casing: Used to maintain the well to prevent contamination by shallow water and gas layers and support the wellhead equipment and maintain the weight of the casing in different levels. Technical oil casing pipe: Separate the pressure at different levels so that the drilling fluid can circulate normally and maintain the consumption casing.  Also to install anti-burst installation, leak-proof installation and stern tube in the well. Oil layer oil casing pipe: Used to export oil and natural gas from the storage layer below the surface. Also used for mainten...

  OCTG pipes  are mainly used for drilling oil and gas wells and transporting oil and gas. It includes oil drill pipe, oil casing pipe, and oil pumping pipe. Oil drill pipe is used to connect drill collars and drill bits and transmit drilling power. Petroleum casing is mainly used to support the well wall during drilling and after completion to ensure the progress of the drilling process and the normal operation of the entire well after completion. The pumping pipe used to transports the oil and gas at the bottom of the oil well to the ground. The oil casing is the lifeline to maintain the operation of the oil well. Due to different geological conditions, the stress state is complex, and the combined action of tensile, compressive, bending and torsion stresses on the pipe body, which puts forward higher requirements on the quality of the casing. Once the casing is damaged for some reason, the entire well may be reduced production or even scrapped. According to the strength of ...