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 ...
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.
Potentially hundreds of feet long, the bottom hole assembly (BHA) runs from the drill bit to the drill pipe and comprises various application-dependent tools, among them rotary steerable systems, ...
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