Permanent bypass whipstock assembly for drilling and completing a sidetrack well and preserving access to the original wellbore
US9371694B2 · kind B2 · utility
0Cited by
15References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2010 |
| Grant date | Jun 21, 2016 |
| Priority date | — |
| Expiry date | Feb 26, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention relates to drilling lateral wells or sidetrack wells from a primary wellbore to enhance the efficiency and productivity of oil and gas wells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.