ECCENTRIC ADJUSTMENT COUPLING FOR MUD MOTORS

摘要

According to one aspect, there is provided a drilling motor assembly having a power section configured to generate torque, a transmission section coupled to the power section, and a bearing section coupled to the transmission section, the bearing section configured to couple to a drill bit. The transmission section includes a housing assembly having a bore formed therethrough, the housing assembly having a central axis defined therethrough and the bore having a central axis defined therethrough, in which the central axis of the bore is radially offset from the central axis of the housing assembly.