Home / Standards / GB/T 24956-2010 GB/T 24956-2010 Active Recommended practice for petroleum and natural gas industries - Drill stem design and operating limits 石油天然气工业 钻柱设计和操作限度的推荐作法 Standard Type GBT ICS 75.020 CCS E13 Status 现行 Issue Date 2010-08-09 Implementation 2010-12-01 Responsible Dept 国家标准委 Drafting Unit N/A