High Collapse Anti-H2S Casing

High Collapse Strength and Anti-H₂S Corrosion Casing
 
Uses
Used for wells with H₂S contained and special strata such as rock salt layer, mudstone layer, abnormal formation pressure layer, or high-pressure water injection wells with H₂S contained.  
Product Size
The range of Outer Diameter (OD) for the Glory Tube's high collapse strength and anti-H₂S corrosion casing : 4 1/2"~13 3/8".
 
Names
High collapse strength and anti-H₂S corrosion casings include GL80TS, GL80TSS, GL95TS, GL95TSS, GL110TS and GL110TSS.
Naming rule: GL + Strength +T+ S (S)
 
Meanings
GL - GLORY TUBE Non-API series
Strength - Specified minimum yield strength (the unit is KSI and trimmed to multiples of 5)
T - High collapse
S - Anti-HS SS - High anti-H₂S
 
Product Performance

Performance Description of High Collapse Strength and Anti-H2S Corrosion Casing

Grade	Anti-H2S Corrosion Performance （NACE TM 0177）	Load Stress (MPa)	Loading Time (H)	Collapse Strength
GL80TS	NACE TM 0177 A Solution, Method A	SMYS*80%	720	Collapse strength according to GL high collapse strength casing
GL95TS
GL110TS
GL80TSS		SMYS*90%
GL95TSS
GL110TSS