System and method for drilling a well that extends for a large horizontal distance
US9163465B2 · kind B2 · utility
0Cited by
32References
28Claims
0Family size
Inventors
Key dates
| Filing date | Sep 28, 2010 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Jun 6, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Method and apparatus for extending the horizontal distance through which wells can be drilled. A horizontal tubular is used to convey a drillstring from a drilling rig toward a target location and a mud return line and pump on the surface is used to pump drilling mud returning from the bit back to the drilling rig.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.