中国石油网消息：10月1日晚，浙江油田大安1H29-3井顺利完钻。该井在四开钻井作业中单趟钻进3210米，刷新了我国深层页岩气单趟钻进尺纪录，以硬核成果为祖国华诞献礼。

China Oil News: On October 1st, the Da'an 1H29-3 well of Zhejiang Oilfield was successfully completed. During the fourth stage of drilling operations, this well achieved a single drilling depth of 3,210 meters, setting a new record for single drilling depth in deep shale gas in China. With this outstanding achievement, it presented a gift to the 70th anniversary of the People's Republic of China.

大安1H29-3井位于四川盆地川南低陡构造区，隶属于大安1H29平台，是一口典型的深层页岩气深井，施工地质条件复杂、钻井难度大。在施工过程中，浙江油田统筹甲乙方一体化管理，依托组织保障与技术管理双向赋能，确保钻井施工安全、高效、有序推进。

The Da'an 1H29-3 well is located in the low and gentle structural area of the Sichuan Basin in southern Sichuan. It belongs to the Da'an 1H29 platform and is a typical deep shale gas well. The geological conditions during the construction were complex and the drilling process was challenging. During the construction, the Zhejiang Oilfield coordinated the integrated management of the contractor and the owner, relying on the dual empowerment of organizational support and technical management to ensure the safe, efficient and orderly progress of the drilling operation.

在组织管控层面，浙江油田搭建高效联动施工体系，以钻井优化中心为中枢，建立“日研判、周分析、月总结”常态化工作机制。同时，推行专属井长制管理模式，安排专人驻场全天候值守，实时紧盯施工现场动态，实现施工异常提前预警、隐患问题即时处置、技术难题快速研判，高效推进钻井施工。

At the organizational control level, Zhejiang Oilfield has established an efficient collaborative construction system. With the drilling optimization center as the core, a regular working mechanism of "daily assessment, weekly analysis, and monthly summary" has been implemented. At the same time, an exclusive well supervisor management model has been adopted, with dedicated personnel stationed on-site to monitor the on-site situation around the clock, enabling early warning of construction abnormalities, immediate handling of potential hazards, and rapid assessment of technical problems, thus efficiently advancing drilling construction.

在施工管理层面，浙江油田创新推行“预管理”前置管控模式，提前统筹规划施工全流程，细化工序排布、备足物资耗材、预检设备工况。聚焦核心设备运维、关键施工环节，并层层压实岗位责任，从源头上排查和化解各类施工风险。精细化的前置管控举措，让该井实现施工全程设备零修理等停，最大限度保障了钻井作业的连续性和高效性。

At the construction management level, Zhejiang Oilfield has innovatively implemented the "pre-management" pre-control model, which involves comprehensively planning the entire construction process in advance, meticulously arranging the work sequences, ensuring adequate supply of materials and consumables, and conducting pre-inspections of equipment conditions. The focus is on the operation and maintenance of core equipment and key construction stages, and the responsibility for each position is strictly assigned at all levels. This approach helps to identify and resolve various construction risks at the source. The meticulous pre-control measures have enabled this well to achieve zero equipment repairs and downtime throughout the construction process, maximizing the continuity and efficiency of the drilling operation.

在技术攻坚层面，浙江油田深度践行地质工程一体化理念，整合甲乙方地质、工程精锐技术团队，围绕钻井提速提效核心目标，结合井下实际工况精准施策。通过优选高效钻头、优化旋转导向工具匹配、动态调校钻井排量等关键参数，创新采用1.85克/立方厘米低密度钻井液体系施工，在稳固井壁质量、保障井控安全、实现设备降温的基础上，成功突破深层钻井提速技术瓶颈，为国内深层页岩气、大位移水平井高效钻井积累了可复制、可推广的实战经验。

At the technical breakthrough level, the Zhejiang Oilfield deeply implements the concept of integrating geological and engineering disciplines. It integrates the elite technical teams from both the contractor and the owner in terms of geology and engineering. Focusing on the core goal of increasing drilling speed and efficiency, it adopts targeted measures based on the actual conditions of the wellbore. By selecting efficient drill bits, optimizing the matching of rotational guidance tools, and dynamically adjusting key parameters such as drilling flow rate, it innovatively employs a low-density drilling fluid system of 1.85 grams per cubic centimeter for construction. This approach ensures the stability of the wellbore quality, guarantees well control safety, and enables equipment cooling. As a result, it successfully overcomes the technical bottleneck of increasing drilling speed in deep wells, accumulating practical experience that can be replicated and promoted for efficient drilling of deep shale gas and large-offset horizontal wells in China.