摘要
针对涪陵页岩气田平桥、江东区块中深层页岩气层埋深增加、地层产状变陡、断裂发育、部分标志层缺失等地质难点,建立了适合工区的地质导向工作流程和精细地层对比,靶点确定、水平段轨迹控制方法,引入了近钻头随钻伽马测量等工具,并借助SGA-850页岩气水平井地质导向工具软件快速成图实现涪陵中深层复杂构造条件下的页岩气水平井快速地质导向,在涪陵页岩气田14口井应用试验表明地质导向效果良好。
Aiming at the geological difficulties such as the increase of buried depth of the deep shale gas layer,steep formation deformation,developed fracture and the absence of partialmarker beds in Pingqiao and Jiangdong blocks of Fuling shale gas field,the authors have established the geosteering work flow which suits the work area,and the methods of fine stratigraphic correlaton,target determination and horizontal trajectory control.Tools such as near-bit gamma measurement while drilling were introduced,and with the help of quick mapping tool software of SGA-850 Shale Gas Horizontal Well Geosteering,the rapid geosteering of shale gas horizontal wells in the middle and deep complex structures in Fuling was realized,and the application test of 14 wells in Fuling shale gas field showed that geosteering effects were good.
出处
《录井工程》
2017年第2期29-32,共4页
Mud Logging Engineering
基金
国家重大科技专项大型油气田及煤层气开发(编号:2016ZX05038-006)
中国石化集团油田先导项目(编号:YTXD-1508)
关键词
涪陵页岩气田
水平井
地质导向
靶点确定
水平段轨迹控制
shale gas field in Fuling
horizontal well
geos-teering
target determination
horizontal trajectory control
