Development and characterisation of a smart cement for CO2 leakage remediation at wellbores

Mojgan Hadi Mosleh, Sevket Durucan, Amer Syed, Ji-Quan Shi, Anna Korre, Graham Nash

Research output: Contribution to journalArticle

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Abstract

This paper presents the results of the experimental investigations into the effectiveness of latex based “smart cement” in remediating wellbore related CO2 leakage. Porosity, N2 and CO2 permeabilities, mechanical and elastic properties of the smart cement mixtures developed were determined using core samples. The effectiveness of the smart cement in reducing the cement permeability was assessed through a series of core flooding experiments and by comparing the results with those of Class G Portland cement. A full scale laboratory wellbore test rig was used to investigate the interactions between CO2 and latex-cement at realistic wellbore conditions. Permeability response of the “smart cement” and microannulus were measured with N2 and CO2 at flow rates representative of likely CO2 leakage rates at storage sites and the results are reported.
Original languageEnglish
Pages (from-to)4147-4153
Number of pages7
JournalEnergy Procedia
Volume114
DOIs
Publication statusPublished - Jul 2017
Event13th International Conference on Greenhouse Gas Control Technologies, GHGT-13 - Lausanne, Switzerland
Duration: 14 Nov 201618 Nov 2016

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Remediation
Cements
Latexes
Mechanical permeability
Core samples
Leakage (fluid)
Portland cement
Porosity
Flow rate
Experiments

Keywords

  • smart cement
  • latex
  • CO2 leakage remediation
  • wellbore

Cite this

Development and characterisation of a smart cement for CO2 leakage remediation at wellbores. / Mosleh, Mojgan Hadi; Durucan, Sevket; Syed, Amer; Shi, Ji-Quan; Korre, Anna; Nash, Graham.

In: Energy Procedia, Vol. 114, 07.2017, p. 4147-4153.

Research output: Contribution to journalArticle

Mosleh, Mojgan Hadi ; Durucan, Sevket ; Syed, Amer ; Shi, Ji-Quan ; Korre, Anna ; Nash, Graham. / Development and characterisation of a smart cement for CO2 leakage remediation at wellbores. In: Energy Procedia. 2017 ; Vol. 114. pp. 4147-4153.
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