PSL2 Liner 4-1/2" 15.1ppf Premium Thread L80 Casing
PSL2 Liner IS a kind of large diameter pipe material, which can fix oil and gas wellbore or borehole. Forwell Casing is inserted into the borehole and fixed with cement to help the borehole separate the strata and prevent borehole collapse, while ensuring the circulation of drilling mud, so as to facilitate drilling and mining. 
Forwell have lots of large diameters casing such as 13-3/8", 16", 18-5/8" and 20" 94ppf, 20" 106.5ppf or 20" 133ppf buttress casing, and range length 10.36-14.64 m (34-48 ft), Casing OD tolerance ≥4 1/2 inch = - 0.5 % +1.0%OD; Casing wall thickness tolerance, WT= -12.5 % (+ limited by weight). 
Casing can be produced in Seamless and ERW, And Thread connection is BTC, LTC, STC. Casing Grades: J-55, K-55, N-80, L-80, L-80HC, 80SS, 9CR, 13CR, 22CR, 25CR, P-110, P-110HC, Q-125 as well as Sour Service. 
Welcome to contact Forwell and we will supply the superior quality casing pipes for you. Contact us  Skype:Kaden Shi