Non-API series Oil Casing
Anti H
2
S
Grade
Normal
80S
90S
95S
110S
125S
High Anti
Corrosion
80SS
90SS
95SS
110SS
High
Collapse
80TS
90TS
95TS
110TS
Normal
(CO2)
80-1Cr
90-1Cr
95-1Cr
110-1Cr
Anti CO
2
Economical
Type
(H2S+CO2)
80S-1Cr
90S-1Cr
95S-1Cr
110S-1Cr
Special
Type(CO2)
80-13Cr
90-13Cr
95-13Cr
110-13Cr
80
90
95
110
125
抗腐蚀和抗挤毁系列
抗腐蚀油套管，线管：用于井下开采时遇到抗腐蚀气体和离子等环境中。
抗挤毁系列：用于深井或超深井等底层压力较大井况或地应力异常段油气
井。
三、 油套管、管线管
3.1 油套管
国内主要生产形式为无缝为主，焊管为辅。
Introduction of Tubing and Casing
API series Tubing
and Casing
Grade
Tubing
55
65
80
90
95
110
125
140
150
J55
Casing
J55,K55
M65
N80-1
N80Q
L80-1
C90
T95
P110
Q125
Deep Well
High
Temperature
Non-API series Oil Casing
High Collapse
Normal
80T
High
Collapse
80TT
Low
Temperature
Hot Drilling
N80-1
N80Q
L80-1
C90
T95
P110
V140
V150
80L
90H
95H
110H
125H
90T
95T
110T
125T
90TT
95TT
110TT
125TT
90L
95L
110L
125L
