Measuring and testing – Borehole or drilling – Downhole test
Patent
1993-05-12
1994-07-05
Williams, Hezron E.
Measuring and testing
Borehole or drilling
Downhole test
367 25, 367911, 175 61, 175 73, 175 74, 175 75, 73151, 73155, 166358, 166349, E21B 4700, G01V 318
Patent
active
053257146
ABSTRACT:
A steerable motor system with integrated formation evaluation logging capacity is presented. The device comprises a housing, a formation resistivity logging tool, a surface signaling device, a density logging tool, a porosity logging tool and a downhole motor and drill. The formation resistivity logging tool is located below the downhole motor and is mounted within the housing wherethrough a drive shaft, extending from the downhole motor, is disposed. Power and signal cables are located within an outer shell of the housing and connect the surface signaling device with the resistivity logging tool. In an alternate embodiment, the resistivity logging tool is located between a motor stabilizer and the drill bit. The present invention allows for increased drill angle during wellbore drilling and formation evaluation.
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Lende Bjorn
Nesheim Anders K.
Reimers Nils
Solem Sigurd
Baker Hughes Incorporated
Wiggins J. David
Williams Hezron E.
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