Material control to prevent well plugging
US11428079B2 · kind B2 · utility
0Cited by
13References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2020 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Apr 22, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/082
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and systems for sand control in wells are described in examples. An example uses a prepack screen assembly comprising an inner screen comprising openings having an inner size and an outer screen comprising openings having an outer size. Packing material is disposed between the inner screen and the outer screen comprising pores with a pore size that is selected based, at least in part, on the outer size, the inner size, or both.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.