Methods for evaluating rock properties while drilling using drilling rig-mounted acoustic sensors
US9074467B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2012 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Sep 12, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V2210/6161
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods for identifying rock properties in real-time during drilling, are provided. An example of an embodiment of such a method includes positioning one or more acoustic sensors to detect drill sounds emanating from the drill bit and the rock encountered during drilling operations, connecting the sensors to select components of a drilling rig to maximally pick up the drill sounds of the drill bit engaging rock during drilling operations. The method also includes providing and deploying an inductive telemetry, wireless telemetry, or wired transmitting system. The method also includes providing and configuring a computer to analyze the “raw” acoustic signals received from the acoustic sensors through the respective transmitting system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.