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Jun 30, 2026TP-G4 Premium ConnectionTP-G4 is Tianjin Pipe Factory's fourth-generation premium gas-tight connection, available in sizes from 5 in. to 14-3/8 in. It delivers full-rated tensile, compressive, internal pr -
Jun 29, 2026Premium Connection TP-BMPremium Connection TP-BM is an API Buttress (BC)-based premium casing connection for 4-1/2" to 13-3/8" casing, available in standard TP-BM and torque shoulder TP-BM(S) versions. It -
Jun 26, 2026Premium Connection TP-JC这段文字整体没有明显的英文语法错误，但有几处专业表达需要优化： 1. **"100% joint efficiency matching pipe body yield strength"** 不够严谨。行业通常说 **100% joint efficiency (pipe-body strength)**，而不是 *yield strength*。 -
Jun 24, 2026TP-QR Premium ConnectionTP-QR Premium Connection is TPCO’s dedicated premium thread connection for large-diameter surface casing, available in sizes from 13-3/8 in. to 24 in. Featuring a 3 T.P.I. coarse m -
Jun 23, 2026TP-FJ Premium ConnectionTP-FJ Premium Connection is a high-performance flush casing connection for medium and heavy-wall carbon steel and low-alloy steel casing, covering sizes from 5” to 10-3/4”. It uses -
Jun 22, 2026Premium Connection TP-G2TP-G2 is a premium gas-tight connection designed for demanding oil and gas wells, qualified in accordance with ISO 13679:2019 CAL IV testing procedures. Its 4° reverse-angle hooked -
Jun 11, 2026API 5CT K55 casing pipe for well constructionAPI 5CT K55 casing pipe is a widely used low-to-medium strength OCTG grade for oil, gas, geothermal, and water well construction. Designed according to the latest API 5CT and API 5 -
Jun 08, 2026What are the differences between api 5ct k55 and n80 casingAPI 5CT K55 and API 5CT N80 are two widely used OCTG casing grades, but they serve different well conditions. K55 is a medium-strength Group 1 casing grade mainly used in shallow t -
May 22, 2026How to check buttress threadsCheck buttress threads by measuring lead, taper, and height with specialized dial gauges and verifying the standoff using API-certified ring or plug gauges. Additionally, perform a -
May 22, 2026What are the different types of API threadsAPI threads are primarily categorized into Casing (STC, LTC, BTC), Tubing (EUE, NUE), and Rotary Shouldered Connections for drill pipe (NC, REG, FH). These standardized profiles en -
May 22, 2026What is LTC threadLTC (Long Thread Coupled) is a standard API casing connection thread featuring an 8-round thread design. By utilizing a longer engagement length compared to Short Thread Coupled (S -
May 22, 2026What is premium connectionIn the field of oil tubular goods, the most commonly used meaning of Premium connection is high-performance special threaded joint for tubing and casing in oil and gas wells. Diffe
