Reliability assessment and risk management for managed pressure drilling
US9777559B2 · kind B2 · utility
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Key dates
| Filing date | Apr 29, 2014 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Aug 4, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A managed pressure drilling (MPD) system employs reliability models such as Failure Modes and Effects Analysis (FMEA), Fault Tree Analysis (FTA), Ishikawa diagram, Pareto chart, Reliability Block Diagram (RBD) in assessing and optimizing the system reliability. The MPD drilling system is suitable for offshore drilling operations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.