Casing Size, Grade, Connections Specs & PDF Tables
https://youtu.be/AA6B2CAwbnk

Casing Pipes Specification

Casing Pipes Specifications are determined by 5 parameters which are size, length range, nominal weight, grade & coupling types.

Casing Pipes Specifications Parameters

- Casing Size.      
-Casing Length Range      
- Casing Nominal Weight / Weight per unit length
- Steel Casing Grade 
- Casing Coupling Types

The First Casing Specifications Parameter is The Casing Sizes

There are three types of Casing Size designations

- Outer
https://www.drillingmanual.com/oil-gas-casing-design-casing-description/