Subsurface formation core acquisition system using high speed data and control telemetry
US7913775B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2007 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Nov 26, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A core sample acquisition device includes a core receiving barrel configured to couple to a drill string proximate a core drilling bit. The device includes a sensor for determining a property of a core sample urged into the receiving barrel by drilling the core sample. The sample acquisition device includes a communication device for transmitting signals from the sensor over at least one of an electrical and an optical communication channel associated with the drill string.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.