Estimation of the remaining service lifetime of the co2 removal membranes using permeance data

Abstract

The present disclosure aims at proposing a methodology for estimating the Remaining Service Life (RSL) of the membranes for removing CO2 from natural gas. The proposed method defines a reference value for the membrane system based on design data and, through appropriate corrections, compares the operational and reference permeances to estimate the service lifetime of the equipment. The proposed methodology was implemented for an oil production platform in two steps: an “offline” step, whose objective was to observe the degradation of the membrane performance in the long term; and an “online” step, available on the SmartMonitor platform for real-time monitoring of the performance indicators and RSL. The obtained results have proven consistent with those observed by the monitoring team and coherent with the operation.

Dependencies are inferred from the claim text.