ATTENUATED TOTAL INTERNAL REFLECTION OPTICAL SENSOR FOR OBTAINING DOWNHOLE FLUID PROPERTIES

Abstract: a downhole fluid analysis system includes an optical sensor comprising, which includes a light source configured to emit light comprising a plurality of wavelengths, a light detector, and an optical tip through which at least a portion of the light travels and returns to the detector, wherein the incident angle of the light causes total internal reflection within the optical tip. the system further includes a piezoelectric helm resonator that generates a resonance response in response to an applied current, and an electromagnetic spectroscopy sensor positioned symmetrically with respect to the piezoelectric helm resonator in at least one direction. the light may be reflected in the optical tip at one or more reflection points, and each reflection point may generate an evanescent wave in a medium surrounding the optical tip. the light may be internally reflected in the optical tip at a plurality of reflection points.

Inventor(s): Sandip Maity, Otto Fanini, Dwight Swett, Rocco DiFoggio, Mohamed Nabil Noui-Mehidi, Jana Mohamed Aljindan

CPC Classification: E21B49/10 (EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS)

Search for rejections for patent application number 20250215797