Patent · US Active

Method and apparatus for consistent and robust fitting in oil based mud filtrate contamination monitoring from multiple downhole sensors

US10316655B2 · kind B2 · utility

2Cited by
6References
9Claims
0Family size

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Key dates

Filing dateNov 20, 2013
Grant dateJun 11, 2019
Priority date
Expiry dateApr 21, 2035

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B49/088
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A method for performing contamination monitoring through estimation wherein measured data for optical density, gas to oil ratio, mass density and composition of fluid components are used to obtain plotting data and the plotting data is extrapolated to obtain contamination levels.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.