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Keywords: dysfunction
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Journal Articles
Journal Articles
SPE Drill & Compl 38 (02): 187–200.
Paper Number: SPE-208707-PA
Published: 14 June 2023
..., but these have not historically provided the detail required to distinguish one potential cause from another. There are proven changes in practices or BHA configuration that can be made to mitigate each type of dysfunction, but this cannot occur unless the cause is identified correctly. Appropriate photographic...
Journal Articles
SPE Drill & Compl 38 (01): 73–89.
Paper Number: SPE-208777-PA
Published: 08 March 2023
... & disposal equation calculation efficiency differential rop drilling conference baseline mse use dysfunction wob rpm energy axial united states government paper mse equation mse torque spe drilling energy rot exhibition strength The concept of using the calculated energy consumed...
Journal Articles
SPE Drill & Compl 29 (04): 405–417.
Paper Number: SPE-163420-PA
Published: 11 November 2014
... tools and equipment. A general purpose drillstring mechanics model has been developed to analyze axial and torsional vibrations in the frequency domain and provide vibration indices indicative of dysfunction in these modes. The model uses transfer matrices to solve for harmonic perturbations around...

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