In-situ detection and analysis of methane in coal bed methane formations with spectrometers
USRE44728E1 · kind E1 · reissue
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2006 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Jan 13, 2026 |
Classification
- Technology area (CPC —)General
Abstract
A measuring system for in-situ measurements down a well (1) by a spectrometer (4) is provided. The spectrometer (4) includes a radiation source (5) and a detector (6). A probe (15) optically connected to the spectrometer (4) and includes an optical pathway (7) for transmission of a radiation from the radiation source (5) and at least a second optical pathway for transmission of a characteristic radiation from a sample to the detector (6). A positioner is provided to position the probe (15) near a side surface (11) of the borehole (3) and to optically couple the optical pathways (7) to the side surface (11), wherein the probe (15) is traversable up and down the well (1) by way of a guide operatively connected to the probe (15) and to a fixed location at the wellhead. By use of the apparatus and method a concentration of methane or other substance of interest is obtained, and thereby, a potential production of a coal bed methane formation is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.