论文部分内容阅读
分支井简介1 分支井定义和钻分支井的目的分支井即在一主井筒中侧钻出2口或2口以上定向井或水平井的井;分支井也指在一垂直井口侧钻出2个或2个以上井底的井。过去常常称之为多底井,近年来重新定义为分支井[1]。钻分支井的目的是从一主井眼中向同一油层或不同油层侧钻出多口水
Introduction to Branch Wells 1 Branch Wells Definition and Purpose of Branch Wells Branch wells are drilled with 2 or more directional wells or horizontal wells in the middle of one main wellbore. Branch wells also mean that 2 Or more than two wells at the bottom of the well. In the past, it was often called a multi-well and was redefined as a branch well in recent years [1]. The purpose of drilling a branch well is to drill multiple streams of water from one main wellbore to the same or different layers