深部煤层气是保障国家油气安全、实现碳达峰碳中和目标的重要接替资源之一，具有广阔的开发前景。但在不同地质条件下，深部煤层气开发技术的通用性较差，在某些区块成功应用的技术不能直接推广到其他区块。目前，新区块前期勘探开发时井型、井网部署还存在一定的盲目性。因此，需要研发针对神府区块深部煤层气高效开发的储层工程改造适配性技术。

首先，以鄂尔多斯盆地神府区块86口生产井实际数据为基础，从产能、经济性2个方面对直井和水平井两种井型的开发效果进行比较；其次，以神府地区深部煤层地质条件为输入参数，对深部煤层水平井的合理井长进行模拟分析；最后，通过地质气藏、钻完井、工程和经济评价等多专业结合，以单位面积经济效益为优化目标，得出神府区块深部煤层气高效开发的储层工程改造具体工艺参数。

结果表明，神府区块深煤层气高效开发的适合井型为水平井；可实现效益最大化时的水平井长度范围为800~1 500 m；开发的最优井距为300 m、簇间距为15~20 m、半缝长为120 m，对应的压裂总液量应为(1.8~2.4)万m³，总砂量(0.25~0.35)万m³。在上述研究的基础上，以“段内多簇+缩短簇间距+高排量大规模注入+变粘滑溜水造缝携砂+高强度加砂+全尺度裂缝支撑+等孔径限流射孔+造复杂缝网”为核心，建立了一套适合神府区块深部煤层储层改造工艺，实现了现阶段神府区块深部煤层气的高效开发，为现阶段国内其他盆地深部煤层气资源开发提供借鉴。

Deep coal seam methane is one of the important alternative resources to ensure national oil and gas security and achieve carbon peak and carbon neutrality goals, with broad development prospects. However, the universality of deep coalbed methane development technology under different geological conditions is poor, and the technology successfully applied in some blocks cannot be directly extended to other blocks. At present, there is still a certain blindness in the well type and well network deployment in the early stage of exploration and development in the new block. [Methods and Results] Firstly, based on the actual data of 79 production wells in the Shenfu block of Ordos Basin, the development effects of vertical and horizontal wells were compared from two aspects of production capacity and economy, and it was determined that horizontal wells are suitable for the development of deep coalbed methane in the research area; Secondly, taking the geological conditions of deep coal seams in the Shenfu area as input parameters, a simulation analysis was conducted on the reasonable well length of deep coal seam horizontal wells, and the range of horizontal well length for maximizing the benefits of deep coal seam methane development was 800~1500 m; Finally, by combining multiple disciplines such as geological gas reservoirs, drilling and completion, engineering, and economic evaluation, with the optimization goal of economic benefits per unit area, we have determined that the optimal well spacing for the development of deep coalbed methane horizontal wells in Shenfu block is 300 m, the cluster spacing is 15~20 m, and the half fracture length is 120 m. The corresponding total fracturing fluid volume should be 18000~24000 cubic meters, and the total sand volume should be 2500~3500 cubic meters.

On the basis of the above research, a set of deep coal seam reservoir transformation technology suitable for the Shenfu block has been established with the core of "multi cluster within the section + shortening cluster spacing + high displacement large-scale injection + variable viscosity slick water fracturing and sand carrying + high-strength sand-adding + full scale crack support + equal aperture limited flow perforation+ complex fracture network", achieving efficient development of deep coal seam gas in the Shenfu block.