Strength prediction of Class G oilwell cement during early ages by electrical conductivity

The compressive strength of oilwell cement plays an important role in securing the long-term integrity of wellbore. The cement's strength development is experimentally difficult to perform once the cement has been displaced into the wellbore. Failure to monitor its development especially during...

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Main Authors: Ridha, S., Irawan, S., Ariwahjoedi, B.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.32712 /
Published: 2013
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84886486997&doi=10.1007%2fs13202-013-0075-9&partnerID=40&md5=c452274b2fbf93fe0e428180a2575b92
http://eprints.utp.edu.my/32712/
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spelling utp-eprints.327122022-03-30T01:04:57Z Strength prediction of Class G oilwell cement during early ages by electrical conductivity Ridha, S. Irawan, S. Ariwahjoedi, B. The compressive strength of oilwell cement plays an important role in securing the long-term integrity of wellbore. The cement's strength development is experimentally difficult to perform once the cement has been displaced into the wellbore. Failure to monitor its development especially during early hydration may lead to secondary cementing operation or in the worst case may damage the well. This paper proposes an empirical equation for strength prediction of Class G oilwell cement using electrical conductivity at elevated pressure up to 3,000 psi and temperature up to 65 °C during the first 24 h of hydration. The study used both porosity-strength correlations and strength-electrical properties relationship to produce predictive equation for strength of oilwell cement. The proposed equation was experimentally compared to cement samples with different water-cement ratios and curing conditions to validate the result. A good agreement is achieved between the proposed equation and the measured data. Furthermore, the strength up to 50 days can be predicted by the proposed equation. © 2013 The Author(s). 2013 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-84886486997&doi=10.1007%2fs13202-013-0075-9&partnerID=40&md5=c452274b2fbf93fe0e428180a2575b92 Ridha, S. and Irawan, S. and Ariwahjoedi, B. (2013) Strength prediction of Class G oilwell cement during early ages by electrical conductivity. Journal of Petroleum Exploration and Production Technology, 3 (4). pp. 303-311. http://eprints.utp.edu.my/32712/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description The compressive strength of oilwell cement plays an important role in securing the long-term integrity of wellbore. The cement's strength development is experimentally difficult to perform once the cement has been displaced into the wellbore. Failure to monitor its development especially during early hydration may lead to secondary cementing operation or in the worst case may damage the well. This paper proposes an empirical equation for strength prediction of Class G oilwell cement using electrical conductivity at elevated pressure up to 3,000 psi and temperature up to 65 °C during the first 24 h of hydration. The study used both porosity-strength correlations and strength-electrical properties relationship to produce predictive equation for strength of oilwell cement. The proposed equation was experimentally compared to cement samples with different water-cement ratios and curing conditions to validate the result. A good agreement is achieved between the proposed equation and the measured data. Furthermore, the strength up to 50 days can be predicted by the proposed equation. © 2013 The Author(s).
format Article
author Ridha, S.
Irawan, S.
Ariwahjoedi, B.
spellingShingle Ridha, S.
Irawan, S.
Ariwahjoedi, B.
Strength prediction of Class G oilwell cement during early ages by electrical conductivity
author_sort Ridha, S.
title Strength prediction of Class G oilwell cement during early ages by electrical conductivity
title_short Strength prediction of Class G oilwell cement during early ages by electrical conductivity
title_full Strength prediction of Class G oilwell cement during early ages by electrical conductivity
title_fullStr Strength prediction of Class G oilwell cement during early ages by electrical conductivity
title_full_unstemmed Strength prediction of Class G oilwell cement during early ages by electrical conductivity
title_sort strength prediction of class g oilwell cement during early ages by electrical conductivity
publishDate 2013
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-84886486997&doi=10.1007%2fs13202-013-0075-9&partnerID=40&md5=c452274b2fbf93fe0e428180a2575b92
http://eprints.utp.edu.my/32712/
_version_ 1741197772321718272
score 11.62408

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