Downhole plug
US11078744B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 24, 2018 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | Dec 11, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/134
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In wellbore completions it is sometimes desirable to seal the wellbore against fluid flow or to anchor a component within the wellbore. However, running such a plug into the wellbore has been problematic on occasion such as when the nose of the plug encounters an object within the wellbore such as a sand bridge or other obstruction. In those instances, the way of the tubular pushing the plug into the wellbore combined with the nose of the plug being unable to pass the instruction causes the plug to prematurely set. Such an instance the plug may need to be drilled out in order to proceed. In the present embodiment the tubular used to move the plug into the well is attached to the nose of the plug so that the force provided to the plug by the tubular is transmitted only to the nose of the plug preventing the plug from presetting and allowing the plug to push past or through an obstacle within the wellbore. In addition is envisioned that the plug may incorporate compartment that the plug within which may be placed a chemical, electronics, sensors, or other items as desired by the operator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.