NACE MR0175/ISO 15156 is a globally recognized standard that provides guidelines for selecting materials resistant to sulfide stress cracking (SSC) and other forms of hydrogen-induced cracking in environments containing hydrogen sulfide (H₂S). This standard is essential for ensuring the reliability and safety of equipment used in the oil and gas industry, particularly in sour service […]
Introduction Oil and gas exploration and production involve complex equipment and processes. Among these, the proper selection and use of tubular goods—drill pipes, drill collars, drill bits, casing, tubing, sucker rods, and line pipes—are crucial for the efficiency and safety of drilling operations. This blog aims to provide a detailed overview of these components, their […]
In the challenging landscape of the oil and gas industry, material selection is pivotal to ensuring the longevity and efficiency of operations. Among the myriad of materials available, 13Cr and Super 13Cr stainless steels stand out for their remarkable properties and suitability in demanding environments. These materials have revolutionized the industry, providing exceptional resistance to […]
Oil country tubular goods (OCTG) is a family of seamless rolled products consisting of drill pipe, casing, and tubing subjected to loading conditions according to their specific application. (see Figure 1 for a schematic of a deep well): The Drill Pipe is a heavy seamless tube that rotates the drill bit and circulates drilling fluid. […]
The ASME B16.5 code requires that the flange face (raised face and flat face) has a specific roughness to ensure that this surface is compatible with the gasket and provides a high-quality seal. A serrated finish, either concentric or spiral, is required with 30 to 55 grooves per inch and a resultant roughness between 125 […]
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