Method for removal of cuttings from a deviated wellbore drilled with coiled tubing
US5984011A · kind A · utility
22Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1998 |
| Grant date | Nov 16, 1999 |
| Priority date | — |
| Expiry date | Mar 3, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B37/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Method and apparatus for removing drill cuttings from a deviated wellbore drilled with coiled tubing, and more particularly method and apparatus for removing "cuttings beds" from a significantly horizontal wellbore drilled with a downhole motor by creating flow of fluid in the wellbore at a critical flow rate, above a flow rate range designed for the drilling.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.