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Keywords: NPT
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Proceedings Papers
A Drilling Company's Perspective on Non-Productive Time NPT Due to Well Stability Issues
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Norway Subsurface Conference, November 2–3, 2020
Paper Number: SPE-200732-MS
... Abstract Non-Productive Time (NPT) is a key measure of cost-effective and successful drilling operations. NPT may be caused by various reasons, such as unpredictable weather or technical issues. Some of those cannot be reduced or controlled (weather), while others can be counteracted by proper...
Proceedings Papers
Reducing NPT of Rigs Operation through Competency Improvement: A Lean Manufacturing Approach
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Bergen One Day Seminar, April 20, 2016
Paper Number: SPE-180066-MS
... Abstract From a drilling contractor point of view, drilling operation should be always at least on schedule and on budget. However, drilling in challenging environments with different drilling problems (technical and un-technical) causes a lot of non-productive time (NPT), i.e. time where...
