Table 1 DAS acquisition parameters and optical fiber specifications.

From: A novel velocity band energy workflow for fiber-optic DAS interpretation and multiphase flow characterization

 

DAS

Fiber specifications

 Hermetic coating

Carbon

 Coating

Polyimide

 Core

Silica

 Optical mode

Single mode

 Core diameter (µm)

10 ± 0.5

 Clad diameter (µm)

125 ± 2

 Coating diameter (µm)

155 ± 2

Acquisition parameters

 Spatial resolution (m)

1.5

 Sampling interval (m)

0.77

 Recording length (s)

10

 Acquistion frequency (Hz)

10,000

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