Method of reducing sand production from a wellbore
US7451818B2 · kind B2 · utility
2Cited by
9References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2004 |
| Grant date | Nov 18, 2008 |
| Priority date | — |
| Expiry date | Aug 10, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/26
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method is provided for the reduction of inflow of rock particles from an earth formation into a wellbore for the production of hydrocarbon fluid. The method comprises creating a zone of reduced compressive stiffness around the wellbore by removing rock material from the wall of the wellbore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.