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Keywords: rwd sub
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Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, February 27–March 1, 2001
Paper Number: SPE-67760-MS
... the TD interval in one trip with bi-center bits led to using a 9.5" bit below a 6.75" AutoTrak rotary steerable closed loop system (RCLS) in combination with an 11.4" ream-while-drill (RWD) sub. This bottom hole assembly (BHA) would simultaneously drill and ream the hole to the proper diameter, thus...

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