The Use of Polymer-gel Solutions for CO2 Flow Diversion and Mobility Control within Storage Sites

Sevket Durucan, Anna Korre, Rajesh Govindan, Mojgan Hadi Mosleh, Amer Shafiuddin Syed

Research output: Contribution to journalArticle

11 Citations (Scopus)
6 Downloads (Pure)

Abstract

This paper presents a study on the use of polymer-gel technology as an option to remediate non-conformal flow behaviour of CO2 within the storage reservoir. Several polymer-gels with crosslinkers were tested. The rheology, gelation and working times of these polymer-gels at various concentrations were characterised under different temperatures representative of CO2 storage reservoirs. Laboratory core flooding experiments were then carried out on high permeability core samples to test the suitability of polymer-gel solution for flow through and containment of CO2 in porous media. The core samples saturated with brine were subjected to polymer-gel injection. Core sample permeability for CO2 was then measured and the change in CO2 permeability of the sample before and after polymer-gel injection was noted. Reservoir simulations for different scenarios of flow diversion were carried out using the permeability reduction results from the laboratory work on a realistic reservoir model with faults and high permeability channel structures.
Original languageEnglish
Pages (from-to)450-459
Number of pages10
JournalEnergy Procedia
Volume86
DOIs
Publication statusPublished - 31 Jan 2016
Event8th Trondheim Conference on CO2 Capture, Transport and Storage, TCCS 2015 - Trondheim, Norway
Duration: 16 Jun 201518 Jun 2015

Keywords

  • co2 storage
  • leakage remediation
  • polymer-gel
  • permeability

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