Q/BQB 263-2020: Cost-effective tubing and casing for CO2-containing or CO2 and H2S-containing environment

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Scope

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

Basic Data

Standard ID	Q/BQB 263-2020 (Q/BQB263-2020)
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	12,171
Issuing agency(ies)	Baoshan Iron and Steel Co., Ltd.