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See Chinese contents: Q/BQB 262-2020 Q/BQB 262-2020: Tubing and casing for H2S-containing environment
This Standard specifies the delivery technical conditions of tubing and casing for H2Scontaining environment produced by Baoshan Iron and Steel Co., Ltd. This Standard applies to seamless tubing and casing (hereinafter referred to as tubing and casing) used in acid oil and gas environments containing H2S in oil and gas exploration of the petroleum and natural gas industry. The steel grades of tubing and casing in this Standard include: BG80S, BG80SS, BG90S, BG90SS, BG95S, BG95SS, BG110S, BG110SS, BG110TS, BG110TSS.
