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DOWNHOLE SPECTRAL ANALYSIS TOOL

  • US 20070171414A1
  • Filed: 01/26/2006
  • Published: 07/26/2007
  • Est. Priority Date: 01/26/2006
  • Status: Active Grant
First Claim
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1. A downhole tool having a spectral analysis module comprising:

  • a replica grating comprising a substantially inorganic substrate having grooves therein with a grating groove density configured for wavelengths from about 200 nm to about 4000 nm.

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