Multipoint pressure and temperature sensing fiber optic cable for monitoring CO2 sequestration

William A. Challener, Ansas M. Kasten, Sachin Dekate, Dimitri Dylov, Reza Ghandi, Renato Guida, S. M. Hasan, Thaddeus Czauski, Russell Craddock, Roger Jones

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

A highly accurate multi-point pressure measurement system based on MEMS pressure sensors spliced into a fiber optic cable and suitable for downhole deployment in a CO2 sequestration well was designed, developed and tested in the laboratory. An interrogator system based on a pulsed laser excitation was shown to be capable of multiple (potentially 60+) point sensor measurements on a single fiber. The interrogator was interfaced with the GE PredixTM industrial internet to demonstrate a remote monitoring system. Sensor packages were fabricated and tested at high temperatures and pressures in supercritical CO2. Environmental and stress testing of the sensor components and package indicated areas in which the design of the package should be further improved. MRS Advances

Original languageEnglish
Pages (from-to)1501-1512
Number of pages12
JournalMRS Advances
Volume1
Issue number21
DOIs
Publication statusPublished - 2016
Externally publishedYes

Keywords

  • Laser
  • Microelectro-mechanical (MEMS)
  • Optical

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