Methods for wellbore milling operations
US10920506B2 · kind B2 · utility
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4References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2019 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | May 20, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B37/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for milling a wellbore structure comprising: pumping fluid through a mud motor and a milling tool while the milling tool and the mud motor are moved on a string to mill out a wellbore structure; and conveying a diversion agent with the fluid through the string, mud motor and milling tool to introduce the diversion agent to the wellbore, the diversion agent mitigating fluid loss in a low pressure zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.