
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 :Casing Pipe Update : 2026-10-20 View(s) : 72
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) : 76
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) : 89
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...

Keywords :oil well casing P110 and Q125 oil well casing Update : 2026-10-15 View(s) : 84
P110 and Q125 are high-strength oil well casing grades under API Specification 5CT, with minimum yield strengths of 110,000 psi (≈758 MPa) and 125,000 psi (≈862 MPa). P110 is commonly used in deep wells where conventional grades lack sufficient strength, while Q125 may be justified when h...

Keywords :oil casing, tubing, and drill pipe Update : 2026-10-14 View(s) : 89
Oil Country Tubular Goods (OCTG) are essential steel tubular products for oil and gas drilling, well construction, and production. OCTG mainly includes oil casing, oil tubing, and drill pipe, each serving different functions. Oil casing supports the wellbore, prevents collapse, and isolate...