Q/BQB 263-2018: Cost-effective tubing and casing for CO2-containing or CO2 and H2S-containing environment

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Scope

This Standard specifies the technical delivery conditions of cost-effective tubing and
casing for CO2-containing or CO2 + H2S-containing environment for Baoshan Iron and
Steel Co., Ltd.
This Standard is applicable to cost-effective seamless tubing and casing (hereinafter
referred to as tubing and casing) that is applied under medium or mild CO2-containing
corrosive environment or CO2 + H2S-containing compound corrosive environment in oil
and gas exploitation in the petroleum and natural gas industry.
In this Standard, steel grades of tubing and casing are. BG80-3Cr, BG90-3Cr, BG95-
3Cr and BG110-3Cr, which are applicable to CO2-containing corrosive environment;
BG80S-3Cr, BG90S-3Cr and BG95S-3Cr, which are applicable to CO2 + H2S-
containing compound corrosive environment.
Tubing and casing that are stipulated in this Standard include three product
specification levels (PSL1, PSL2 and PSL3).

Basic Data

Standard ID	Q/BQB 263-2018 (Q/BQB263-2018)
Description (Translated English)	Cost-effective tubing and casing for CO2-containing or CO2 and H2S-containing environment
Sector / Industry	Chinese Industry Standard
Classification of Chinese Standard	QBQ
Word Count Estimation	12,138
Issuing agency(ies)	Baoshan Iron and Steel Co., Ltd.