9月初，我国最大煤制天然气外输管道项目——准东煤制天然气管道干线工程在新疆昌吉正式开工。中国石油集团宝石管业有限公司旗下资阳钢管公司，承担一期工程全部螺旋缝埋弧焊钢管保供任 准东管道作为国家管网集团重点项目，将把我国最大煤制天然气生产基地——准东基地的清洁产能纳入"全国一张网"，一期总长254公里，资阳钢管公司负责近100公里钢管保供。项目穿越准噶尔 公司坚持"四关"并举：原料上严控采购质量，强化理化性能与几何尺寸双验收，依托MES系统实现全流程可追溯，确保不合格原料"零投用"；设备端集成成焊离线操作、焊缝自动跟踪、数字焊接 目前，资阳钢管公司各生产线正全力保障准东煤制天然气管道、川气东送二线干线等多个国家重点项目。螺旋管工厂负责人刘丁说："我们将再接再厉，持续聚焦生产效率与产品质量'双提升'， ...

Core Insights - China National Petroleum Corporation's Gem Pipe Industry achieved a contract pipe production of over 1 million tons by July 24, 2023, reaching its target 73 days ahead of schedule, marking the fastest production record in nearly 12 years [2] Group 1 - The company has surpassed the 1 million tons production target for the ninth consecutive year since 2016 [2] - The production and operation department has detailed tasks to weekly and daily levels, ensuring daily supervision and dynamic adjustments [2] - Each production unit is held accountable, with sales and shipping teams providing on-site services to ensure supply for national pipelines, domestic oil fields, and international projects [2] Group 2 - Since the beginning of the year, the company has steadily implemented a "1+N" management system to enhance coordination across production, supply, sales, storage, and transportation [2] - The company emphasizes a unified approach, regularly holding coordination meetings to focus on key projects and customers, ensuring timely preparation of raw materials and auxiliary resources [2]

Group 1 - The core achievement is the successful development of deep-sea oil and gas dual-metal metallurgical composite pipes by China National Petroleum Corporation's Baoshi Pipe Industry Co., Ltd, marking a significant technological breakthrough in the domestic market [1] - The newly developed N06625 + X65MS D610×(2+16.9) mm dual-metal composite pipe features an outer layer of 16.9 mm thick X65MS acid-resistant carbon steel and an inner layer of 2 mm thick N06625 nickel-based alloy, designed to withstand extreme corrosive environments [1] - The product has passed certification by the China Classification Society, providing essential equipment support for the development of deep-sea oil and gas resources in China [1] Group 2 - The demand for deep-sea oil and gas transportation pipes has been increasing due to the extension of oil and gas exploration into deep waters, which presents multiple challenges such as extreme low temperatures, high pressure, and corrosion from high-sulfur and high-acid environments [1] - A specialized technical team formed by Baoshi Pipe Industry and the National Pipeline Research Center successfully overcame the technical challenges associated with welding nickel-based alloys and carbon steel, developing efficient welding processes that ensure high corrosion resistance [2] - Innovations in precision control of carbon steel base pipes and low dilution rate welding of nickel-based alloys have enabled the industrial production of deep-sea oil and gas dual-metal composite pipes [2]

Group 1 - The company has successfully tested two new intelligent production lines for oil pipes at its manufacturing base in Cangzhou, Hebei, which will soon commence operations [1] - The production lines integrate advanced systems such as IoT and real-time information monitoring, enabling full-process intelligent manufacturing and digital management [1] - The product specifications for oil pipes will cover all needs, catering to diverse domestic and international market demands [1] Group 2 - Production efficiency is expected to increase by 35%, while labor configuration can be reduced by 30% [1] - The company aims to significantly enhance its production capacity for high-end oil pipe products, transitioning towards a high-end and customized product structure [1] - The board views the new production lines as a crucial milestone for technological iteration and capacity upgrade, anticipating a positive impact on medium to long-term earnings [1]