Technical Paper Archive

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Operation Envelope Prediction of Fluoroelastomer Seals for Downhole Operation in Oil & Gas Industry

A25 zolfagheri paper

Event: 198th Technical Meeting - Fall 2020
Location: Virtual
Date: October 19, 2020
Author: Alireza Zolfaghari
Paper Number: A25

Price: $20.00

  • In downhole operation, the oil & gas industry needs a reliable methodology to develop an operation envelope for elastomer seals used in various tools. In most cases, the operation envelope estimate relies on laboratory life prediction methods. The conventional life prediction methods based on industry standards, ISO 23936-2:2011(E) and API TR-6J, are designed for “materials selection/screening” using the Arrhenius equation. However, the conventional mechanism has limitation in predicting actual performance of elastomer seals. Hence, there is a need for a new methodology which can serve many operators and regulators with reliable approach in life prediction for various projects in the oil & gas industry. The objective of this paper is to develop an operation envelop based upon the lifetime prediction method. The lifetime prediction method covers viscoelasticity properties and chemical degradation combined with experimental/FEA simulation approach. The paper addresses the effect of compression on the degradation of the Fluoroelastomer seal. The paper shows how the laboratory findings combined with FEA modeling can be used to develop a reliable operation envelope for the elastomer sealing application in the oil & gas industry.

    Papers from 198th Technical Meeting - Fall 2020

    Items from 198th Technical Meeting - Fall 2020