水平井一体化地质导向在四川油气田的应用

Integrated geosteering of horizontal wells in Sichuan oil and gas fields

随着油气田勘探开发推进,大斜度井、水平井的数量将大幅度增加,而国内油气田一般采用MWD或LWD结合综合录井进行水平井的地质导向,缺乏集地质、地震、测井、录井、钻井专业技术为一体的水平井一体化地质导向技术。为此,针对上述存在的诸多不足,从技术思路和关键技术等方面对水平井一体化地质导向技术进行研讨,并分析了一体化地质导向技术在四川油气田的应用效果,建立一体化的地质导向平台,为水平井地质导向提供了全新服务模式,为地质导向拓展了空间,有益于勘探开发效率的提高。

With the pushing forward of exploration and development of oil and gas fields, the number of highly-deviated wells and horizontal wells will have a significant increase in domestic oil and gas fields, while MWD or LWD horizontal well geosteering generally combines with comprehensive mud logging, which lacks horizontal well integration geosteering technology that integrates with professional technologies of geology, seism, well logging, mud logging and drilling. In accordance with the above disadvantages, from the technical ideas and key technologies, the paper discussed the integration of the horizontal well geosteering technology, analyzed the application effects of the integrated geosteering technology in Sichuan oil and gas fields, and established the integrated geosteering platform, which provides a new service mode for the geosteering of horizontal wells, expands the geosteering space and is beneficial to improve the efficiency of exploration and development.