IMPROVED GAS MIGRATION CONTROL IN OIL WELL CEMENT
Polymers are being used as multifunctional additives that control fluid loss, free water and prevent gas migration through cement slurry. Most ofthe polymers degrade at 80 °C and lose their viscosity with increasing temperature. The reduction in the viscosity of polymers leads to fluid loss, free...
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2014
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oai:utpedia.utp.edu.my:228162024-07-24T01:05:31Z http://utpedia.utp.edu.my/id/eprint/22816/ IMPROVED GAS MIGRATION CONTROL IN OIL WELL CEMENT ABBAS, GHULAM QE Geology Polymers are being used as multifunctional additives that control fluid loss, free water and prevent gas migration through cement slurry. Most ofthe polymers degrade at 80 °C and lose their viscosity with increasing temperature. The reduction in the viscosity of polymers leads to fluid loss, free water separation and decreases hydrostatic pressure which causes gas migration. In this research, Hydroxypropylmethylcellulose (HPMC) has been studied and used in cement slurry to prevent gas migration. The objectives of this study were to determine the viscosity of HPMC solutions, API properties and gas migration of HPMC based cement slurries at 90 °C. The viscosity of 1.5 and 2 wt% HPMC solutions was determined at different temperatures of 30 to 100 °C with respect to shear rates. The cement slurries of 16.5 ppg density were prepared using 0.20 to 0.80 gps concentration of HPMC solutions with fluid loss, dispersant, retarder and defoamer additives. 2014-09 Thesis NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/id/eprint/22816/1/2013-PETROLEUM-IMPROVED%20GAS%20MIGRATION%20CONTROL%20IN%20OIL%20WELL%20CEMENT-GHULAM%20ABBAS.pdf ABBAS, GHULAM (2014) IMPROVED GAS MIGRATION CONTROL IN OIL WELL CEMENT. Masters thesis, UTP. |
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Polymers are being used as multifunctional additives that control fluid loss, free water
and prevent gas migration through cement slurry. Most ofthe polymers degrade at 80
°C and lose their viscosity with increasing temperature. The reduction in the viscosity
of polymers leads to fluid loss, free water separation and decreases hydrostatic
pressure which causes gas migration. In this research, Hydroxypropylmethylcellulose
(HPMC) has been studied and used in cement slurry to prevent gas migration. The
objectives of this study were to determine the viscosity of HPMC solutions, API
properties and gas migration of HPMC based cement slurries at 90 °C. The viscosity
of 1.5 and 2 wt% HPMC solutions was determined at different temperatures of 30 to
100 °C with respect to shear rates. The cement slurries of 16.5 ppg density were
prepared using 0.20 to 0.80 gps concentration of HPMC solutions with fluid loss,
dispersant, retarder and defoamer additives. |
format |
Thesis |
author |
ABBAS, GHULAM |
author_facet |
ABBAS, GHULAM |
author_sort |
ABBAS, GHULAM |
title |
IMPROVED GAS MIGRATION CONTROL IN OIL WELL CEMENT |
title_short |
IMPROVED GAS MIGRATION CONTROL IN OIL WELL CEMENT |
title_full |
IMPROVED GAS MIGRATION CONTROL IN OIL WELL CEMENT |
title_fullStr |
IMPROVED GAS MIGRATION CONTROL IN OIL WELL CEMENT |
title_full_unstemmed |
IMPROVED GAS MIGRATION CONTROL IN OIL WELL CEMENT |
title_sort |
improved gas migration control in oil well cement |
publishDate |
2014 |
url |
http://utpedia.utp.edu.my/id/eprint/22816/1/2013-PETROLEUM-IMPROVED%20GAS%20MIGRATION%20CONTROL%20IN%20OIL%20WELL%20CEMENT-GHULAM%20ABBAS.pdf http://utpedia.utp.edu.my/id/eprint/22816/ |
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1805891076032036864 |
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13.18916 |