Using a downhole motor with bent housing most effectively requires determination of its deflecting performance and designing the bottom hole assembly according to the expected deflection rate.

Robert G. Casto, Maurizio Senese Agip Petroleum Co. Inc. Houston The use of bicenter polycrystalline diamond compact (PDC) bit technology, dual-power-head down-hole motors, and oil-based drilling ...

Brisbane-based Armour Energy is sidetracking the Myall Creek-5A well at the Kincora project in Queensland after encountering drilling difficulties. Armour revealed a section of the drill collars above ...