OCTG Supplier | Trusted Oil Country Tubular Goods Partner List-2026
API Casing Chart: Complete Guide to API Casing Sizes, Weights, Grades and Specifications
In oil and gas well construction, API casing refers to steel pipe manufactured according to American Petroleum Institute standards and used to support the wellbore, isolate formations, and ensure safe drilling and production operations. Because casing selection involves multiple technical…
Conductor Casing: Technical Guide for OCTG Casing and Tubing Buyers
Conductor casing is the first and largest casing string installed in a well, isolating loose surface formations and providing structural support for subsequent casing strings. BSCO explains conductor casing functions, drilling use, installation, sizes, specs, diagrams, and applications. What Is…
OCTG Comprehensive Guide: Definition, Classification and Application of Oil Casing Products-2026

OCTG, short for Oil Country Tubular Goods, refers to the family of steel tubular products used in the drilling, completion, and production of oil and gas wells. By definition, OCTG encompasses three primary product categories — casing, tubing, and drill…
