Optical Spectrometer And Downhole Spectrometry Method

摘要

An optical spectrometer includes a near black body light source, a reference detector in a first optical path and a single measurement detector in a second optical path. A sample cell including a fluid flow line may be positioned in the second optical path upstream of the measurement detector. Optical energy ma be emitted at a plurality of filament temperatures and first and second sets of optical intensities measured at the reference and measurement detectors. The first and second sets of optical intensities may be processed to compute a substantially continuous transmittance spectrum of a fluid sample in the fluid flow line by inverting the acquired optical intensity measurements.

主权项

1. An optical spectrometer comprising:
a near black body light source; a beam splitter optically downstream from the light source and configured to divide incident light into first and second reference and measurement paths; a reference detector deployed in the reference path; a single measurement detector deployed in the measurement path; and a sample cell including a fluid flow line through which a fluid sample may flow, the sample cell being deployed in the measurement path between the beam splitter and the measurement detector.