
Threeway Steel Co., Ltd
E-mail: sales@srtsteelpipe.com
Address: 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China, PC: 410116Phone:0086-731-8873-9521

Keywords :L80 casing steel pipe Update : 2026-10-22 View(s) : 9
API 5CT L80 casing steel pipe is widely used in deep oil and gas wells requiring a suitable balance of strength and controlled material properties. L80 casing supports wellbore integrity by resisting axial tension, external collapse, internal burst, and combined downhole loads. Available ...

Keywords :CASING PIPE oil and gas Update : 2026-10-21 View(s) : 15
Bushings in oil and gas equipment such as drilling assemblies, pumps, and valves face sulfide stress cracking (SSC) risk in H₂S-containing sour service environments. SSC is environmentally assisted cracking driven by tensile stress, excessive hardness, unsuitable microstructure, H₂S partia...

Keywords :Casing Pipe Update : 2026-10-20 View(s) : 40
Selecting the right casing pipe connection is critical for well integrity, load transfer, and long-term sealing performance. Common API casing connections include STC, LTC, BTC, and premium hermetic connections. STC provides short engagement for conventional wells, while LTC offers longer ...

Keywords :oil well casing Update : 2026-10-19 View(s) : 51
Selecting the right casing for sulfur-containing gas wells is critical because hydrogen sulfide (H₂S), high pressure, and corrosive fluids can cause sulfide stress cracking and premature failure. API 5CT grades L80, C90, and T95 offer different yield strengths, but higher strength alone d...

Keywords :Oil Casing Oil and Gas Update : 2026-10-16 View(s) : 69
Oil casing is critical for shale oil and gas horizontal wells, where long wellbores, complex stress, and repeated high-pressure hydraulic fracturing create demanding service conditions. Casing supports the wellbore, isolates formations, maintains pressure integrity, and provides a structur...