Method for drilling wells in close relationship using magnetic ranging while drilling
US8827005B2 · kind B2 · utility
6Cited by
28References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2008 |
| Grant date | Sep 9, 2014 |
| Priority date | — |
| Expiry date | Nov 18, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/0228
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Methods for drilling wells using magnetic ranging while drilling to position the wells with respect to one another are provided. In accordance with one embodiment, a method of drilling a well includes leaving a drill string in position within a primary well, and drilling a secondary well using the drill string as a target for magnetic ranging while drilling such that the secondary well is positioned with a specified orientation relative to the drill string.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.