Delivering an agent into a well using an untethered object
US9915116B2 · kind B2 · utility
5Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2016 |
| Grant date | Mar 13, 2018 |
| Priority date | — |
| Expiry date | Feb 3, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B34/142
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An embodiment may take the form of a method usable with a well including pumping an untethered object into the well to land on a restriction downhole in the well and using the restriction to trigger release of an agent carried by the object into the well. Another embodiment may take the form of an apparatus usable with a well having a solid object adapted to be pumped into the well and an agent to be adapted to be released from the solid object in response to the solid object landing on a restriction in the well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.