Circulation tool for use in gravel packing of wellbores
US6725929B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 7, 2003 |
| Grant date | Apr 27, 2004 |
| Priority date | — |
| Expiry date | May 7, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/045
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A well completion method performed in a single trip into a well includes inserting a service tool into the well to a desired location; gravel packing the well; and circulating fluids within the wellbore through the service tool to dislodge and remove filter cake residue. A method of completing a subterranean well performed in a single trip into a wellbore includes running a service tool into the well, the service tool defining multiple, selectable flow paths; gravel packing the well; selecting a different flow path of the service tool; removing a filter cake from the wellbore by circulating a fluid through the service tool; spotting specially fluids within the wellbore at desired locations; and removing the service string from the well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.