Downhole reamer asymmetric cutting structures
US8770321B2 · kind B2 · utility
5Cited by
3References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 2013 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Oct 7, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/62
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cutting structure for use with a reamer in enlarging a borehole in a subterranean formation includes a plurality of cutter blocks, radially extendable from a reamer body away from a central axis of the reamer body, each of the plurality of cutter blocks comprising at least one cutter blade thereon, wherein an angular spacing about the central axis of the reamer body between the at least one cutter blade on each of the plurality of cutter blocks is unequal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.