Apparatuses and methods for stabilizing downhole tools
US9051793B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2011 |
| Grant date | Jun 9, 2015 |
| Priority date | — |
| Expiry date | Dec 30, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/1078
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A secondary cutting structure for use in a drilling assembly includes a tubular body, and a block, extendable from the tubular body, the block including a first arrangement of cutting elements disposed on a first blade, a first stabilization section disposed proximate the first arrangement of cutting elements, a second arrangement of cutting elements disposed on the first blade, and a second stabilization section disposed proximate the second arrangement of cutting elements. A method of drilling includes disposing a drilling assembly in a wellbore, the drilling assembly including a secondary cutting structure having a tubular body and a block, extendable from the body, the block including at least three blades, actuating the secondary cutting structure, wherein the actuating includes extending the block from the tubular body, and drilling formation with the extended block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.