API 5CT sarung paip untuk Turki Pelanggan

Gred-gred keluli biasa oilfield API-5 CT. sarung paip termasuk J55, K55, N80-1, N80Q, dan P110. Paip sarung kebanyakannya digunakan untuk penggerudian telaga minyak. Menurut piawaian API-5 CT. dan ISO11960, paip boleh diklasifikasikan sebagai STC (perbualan singkat), LTC (benang panjang) dan BTC (benang buttress) disertakan dengan gandingan mereka.

Oilfield casing pipes are positioned into well bore and cemented in place to secure both subsurface formations and the wellbore from collapsing, also to enable drilling mud to circulate and extraction to take place. Casing pipes are normally manufactured using outside dimension sizes from 114.3 mm untuk 508.0 mm.

The strict quality requirement for steel is due to the harsh working conditions of casing. The steel product should be produced and checked in accordance with special standards or specifications. ISO 11960 and API Spec 5CT have specified the steel product standards of casing.