Non-API OCTG

Variety

Size

Steel grade

Specification

Typical application

OD(mm)

WT(mm)

collapse-resistant
casing

114.30~508.00

5.21~26.24

HS80T/HS80TT

HK35-2019 or HK35-2019 technical agreement

Rock-salt layer,deep and complex
geological conditions

HS90T/HS90TT

HS95T/HS95TT

HS110T/HS110TT

HS125T/HS125TT

HS140T/HS140TT

HS150T/HS150TT

H₂S-resistant casing and tubing

60.32~508.00

4.83~26.24

HS80S/HS80SS

HK34-2019 or HK34-2019 technical agreement

Environment containing H₂S

HS90S/HS90SS

HS95S/HS95SS

HS100S/HS100SS

HS110S/HS110SS

HS125S/HS125SS

CO₂+H₂S-resistant casing and tubling

60.32~508.00

4.83~26.24

HS80S/SS-3Cr

HK33-2019 or HK33-2019 technical agreement

Environment containing CO₂and H₂S

HS90S/SS-3Cr

HS95S/SS-3Cr

HS110S-3Cr

Casing and tubing
for low temperature environment

60.32~508.00

4.83~26.24

HS80L

technical agreement

low temperature environment

HS90L

HS95L

HS110L

Thermal Recovery
well Cosing

114.30~508.00

5.21~26.24

HS80H

HK29-2019 or HK29-2019 technical agreement

Heavy oil and heat-resistant environment

HS90H

HS90H-3Cr

HS95H

HS110H

P110H

High strength andhigh tenacity casing
for deep wel

114.30~508.00

5.21~26.24

HS140

HK36-2019 or HK36-2019 technical agreement

Rock-salt layerdeep well,ultra-deep welland other complex geological conditions

HS150

HS155

Perforating gun
casing

60.30~117.80

5.00~15.00

110ksi

Q/OHAD005-2015
Q/OHAD005-2015
or technical agreement

Perforating gun

115ksi

125ksi

130ksi

135ksi

140ksi

CO₂Corrosion-resistant casing
and tulbing

60.32~508.00

4.83~26.24

L80-3Cr

HK33-2019 or HK33-2019 technical agreement

Ervironment containing CO₂

HS110-3Cr

P110-3Cr

HS80-1Cr

HS80-13Cr

HS85-13Cr

HS90-13Cr

HS95-13Cr

HS110-13Cr

H₂S and
collapse resistant
casing

114.30~508.00

5.21~26.24

HS80TS

technical agreement

Environment with H₂S corrosion and large
collapse pressure

HS90TS

HS95TS

HS100TS

HS110TS