Core Viewpoint - The Tarim Oilfield is accelerating the localization of completion tools, marking a significant milestone in the application of domestically produced equipment in ultra-deep well operations [1][2][3] Group 1: Localization of Completion Tools - The Tarim Oilfield has successfully applied over 180 sets of domestically produced high-end completion tools, including 140 MPa FF-level gas wellheads and V0-grade high-temperature packers, in ultra-deep well operations [1][2] - The oilfield is addressing the challenges posed by ultra-deep, ultra-high pressure, and ultra-high temperature conditions by promoting the use of domestic completion tools, which have historically relied on imports [2][3] - The oilfield has organized multiple review meetings to evaluate the performance of 23 domestic completion tools, ensuring a robust selection for application [2] Group 2: Cost Reduction and Efficiency Improvement - The Tarim Oilfield has integrated cost reduction and efficiency improvement into its technological development, successfully applying domestically produced tools that have shown improved performance and significant cost savings [3][4] - The application of 47 selected high-torque flexible pipes in 27 wells has resolved issues related to pipe diameter and subsequent repair operations, demonstrating the effectiveness of domestic tools [3] - The oilfield has achieved a 100% localization rate for completion tools in the Taipan area from January to June, with significant increases in the localization ratios of various key tools [3] Group 3: Integrated Geological Engineering - The Tarim Oilfield is advancing the localization of completion tools through an integrated geological engineering approach, focusing on the rapid evaluation of new equipment and the promotion of mature tools [4] - The oilfield is prioritizing the selection of domestic completion tools during the drilling design phase, enhancing the overall efficiency and effectiveness of operations [4] - A closed-loop ecosystem is being established to facilitate the research, evaluation, and application of domestic completion tools, aiming to strengthen the energy supply chain [4]