Casings are used for fixing the well wall or down hole, which have
wider diameters, can be divided into conductor casings, technical
casings and Oil casings
Sizes: 4 1/2” – *0”
Steel grade: J*5/K*5/N*0/L*0/P**0
Thread: STC,LTC, BTC or other special thread according your
request
Type: seamless and ERW
Shipping by containers or bulk vessel