Wellbore milling system and method
US5806595A · kind A · utility
9Cited by
37References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1996 |
| Grant date | Sep 15, 1998 |
| Priority date | — |
| Expiry date | May 2, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for milling an opening, slot, hole, or window in a tubular of a tubular string in a wellbore, has been invented which includes installing a mill system in the tubular at a desired milling location, and milling an opening in the tubular. In one aspect the method includes using a mill which has a weight member below the mill, above the mill, or both. In one aspect additional weight is added to the weight member once it has been introduced into the tubular string.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.