中国石油网消息：7月6日，记者从长城钻探钻井一公司获悉，由该公司50014队承钻的煤层气公司宁深13-3平01井顺利完钻，钻井周期25.71天，水平段长度达2030米，一举刷新国内极薄煤层水平段最长纪录，煤层钻遇率、井身质量均为区块最优水平。

China Oil News: On July 6th, we learned from the No. 50014 Team of Great Wall Drilling Company that the coalbed methane company's Ning-Shen 13-3 Flat 01 well, which was drilled by this team, was successfully completed. The drilling cycle was 25.71 days, and the length of the horizontal section reached 2,030 meters. This achievement broke the record for the longest horizontal section in extremely thin coal seams in China, and the coal seam encounter rate and well quality were at the optimal level for the block.

宁深13-3平01井最薄处是仅1.6米的5号煤层。要在如此狭小的“夹缝”中控制钻头穿行2公里，任何细微的轨迹偏差都可能导致出层报废，施工难度极大。

The thinnest part of Well Ning Shenz 13-3, No. 01, is the 5th coal seam, which is only 1.6 meters thick. To control the drill bit to travel 2 kilometers in such a narrow "gap", any slight deviation in the trajectory could lead to the failure of the layer being drilled through, making the construction extremely difficult.

面对挑战，长城钻探技术团队集成应用多项关键技术攻坚克难。他们利用综合伽马、气测、元素录井等多参数构建实时决策系统，为钻头装上“导航仪”；在构造复杂区，技术人员主动预判地层倾角，前置调整轨迹，严防出层。针对完井套管下放这一“卡脖子”难题，团队创新应用“漂浮+旋转”双效下套管技术，如同给套管装上了“滑轮”和“转轴”，一举攻克高摩阻难题。

In the face of challenges, the Changcheng drilling technology team integrated and applied multiple key technologies to overcome difficulties. They used multi-parameter methods such as comprehensive gamma rays, gas measurements, and elemental logging to build a real-time decision-making system, equipping the drill bit with a "navigation device"; in areas with complex structures, the technicians actively predicted the dip angle of the strata and made pre-adjustments to the trajectory to strictly prevent layer breakthrough. Regarding the "critical bottleneck" problem of lowering the completion casing, the team innovatively applied the "floating + rotating" dual-effect casing lowering technology, which was like giving the casing a "suspension wheel" and "rotary shaft", thus solving the problem of high friction resistance at one stroke.