Coring tools and related methods
US9410423B2 · kind B2 · utility
0Cited by
78References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2013 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Aug 19, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B49/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disposing a coring tool in a borehole adjacent a subterranean formation to be sampled. Determining a property of the formation and selecting a coring tool operational mode based on the property of the formation. Obtaining a sample from the formation using the coring tool operational mode. A type of coring shaft also may be selected based on the property of the formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.