Fatigue analysis procedure for drill string
US11242741B2 · kind B2 · utility
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2References
22Claims
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Key dates
| Filing date | May 4, 2016 |
| Grant date | Feb 8, 2022 |
| Priority date | — |
| Expiry date | Aug 27, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2111/10
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Management of fatigue life includes partitioning a drilling interval into sections, and calculating a stress value for each section. From the stress value, an equivalent alternative stress amplitude is calculated for each location, and a fatigue life consumption value in each section is computed. The fatigue life consumption value across the sections is aggregated to obtain an aggregated fatigue life consumption value, which is presented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.