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Oilwell Drilling Engineering
ISBN:
9780791861875
No. of Pages:
512
Publisher:
ASME Press
Publication date:
2019
The previous chapter underscores the importance of performance and duration of on-bottom drilling time (td) between bit runs. Tool reliability becomes especially important in offshore drilling operations where rig rates are relative high compared with on-land drilling. Premature failure of anyone of these tools effects footage cost by a lower on-bottom drilling duration (td).
9.1
Downhole Tool Design
9.2Theory of Stress
9.3Theory of Strain
9.4Generalized Hooke’s Law
9.5Challenges in Downhole Tool Design
9.6Drill Bit Design and Expectations
9.7Positive Displacement Drilling Motors
9.8Drilling Turbines
9.9Measurement While Drilling Instrumentation
9.10Problems
9.11List of References
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