Downhole-milling-tool method
US10519735B2 · kind B2 · utility
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3References
7Claims
0Family size
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Key dates
| Filing date | Feb 9, 2017 |
| Grant date | Dec 31, 2019 |
| Priority date | — |
| Expiry date | May 29, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/627
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A downhole-milling-tool method for milling through hard substances, such as barite, found in underground wells, providing a stepped increase of diameters and positioning of carbide cutters and appropriate positioning of fluid ports and channels, to provide removal of cuttings and cooling and lubricating of the cutting head, in turn providing more efficiency and a better rate of penetration (ROP).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.