Effect of Different Drilling Fluids on Reservoir Skin Factor
Drilling operations and specially drilling fluids has big impact on formation damage leading to high skin values and low productivity due to permeability impairment. Even slight formation damage in a well can result in significant loss of revenue; hence it is from the essentials to reduce form...
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Universiti Teknologi Petronas
2012
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my-utp-utpedia.57302017-01-25T09:39:50Z http://utpedia.utp.edu.my/5730/ Effect of Different Drilling Fluids on Reservoir Skin Factor Ahmed Fatah Alrahman Ahmed Mohammed, Ahmed Fatah TN Mining engineering. Metallurgy Drilling operations and specially drilling fluids has big impact on formation damage leading to high skin values and low productivity due to permeability impairment. Even slight formation damage in a well can result in significant loss of revenue; hence it is from the essentials to reduce formation damage caused by drilling operation and specially drilling fluid. Bentonite is the common material that used as base (gel) in Water Based Mud (WBM), hence this paper aims at reducing formation damage through investigating alternative drilling fluids by replacing Bentonite with milled Bentonite which has particle size less than 63µm in Water Based Mud. Different rheology and filtration tests under different conditions have been conducted to asses filter cake performance of each mud. Results from the experiments shows that milled Bentonite mud performance in HPHT conditions is much better than its performance in LPLT conditions and is also better than the performance of normal Bentonite under both conditions. In the LPLT conditions, milled Bentonite based mud results in 12% less filtration rate compared to normal Bentonite, this percentage raises dramatically up to 65% in the HPHT conditions. As milled Bentonite mud produces less filtrate volume, it is expected to result in higher filter cake quality and hence less skin factor compared to the normal Bentonite based mud. Universiti Teknologi Petronas 2012-09 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/5730/1/Final%20Report%20FYP%2C%20Mohammed%20Elfatih%2014130.pdf Ahmed Fatah Alrahman Ahmed Mohammed, Ahmed Fatah (2012) Effect of Different Drilling Fluids on Reservoir Skin Factor. Universiti Teknologi Petronas. (Unpublished) |
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TN Mining engineering. Metallurgy Ahmed Fatah Alrahman Ahmed Mohammed, Ahmed Fatah Effect of Different Drilling Fluids on Reservoir Skin Factor |
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Drilling operations and specially drilling fluids has big impact on formation damage
leading to high skin values and low productivity due to permeability impairment. Even
slight formation damage in a well can result in significant loss of revenue; hence it is
from the essentials to reduce formation damage caused by drilling operation and
specially drilling fluid.
Bentonite is the common material that used as base (gel) in Water Based Mud (WBM),
hence this paper aims at reducing formation damage through investigating alternative
drilling fluids by replacing Bentonite with milled Bentonite which has particle size less
than 63µm in Water Based Mud. Different rheology and filtration tests under different
conditions have been conducted to asses filter cake performance of each mud.
Results from the experiments shows that milled Bentonite mud performance in HPHT
conditions is much better than its performance in LPLT conditions and is also better
than the performance of normal Bentonite under both conditions.
In the LPLT conditions, milled Bentonite based mud results in 12% less filtration rate
compared to normal Bentonite, this percentage raises dramatically up to 65% in the
HPHT conditions. As milled Bentonite mud produces less filtrate volume, it is expected
to result in higher filter cake quality and hence less skin factor compared to the normal
Bentonite based mud.
|
format |
Final Year Project |
author |
Ahmed Fatah Alrahman Ahmed Mohammed, Ahmed Fatah |
author_facet |
Ahmed Fatah Alrahman Ahmed Mohammed, Ahmed Fatah |
author_sort |
Ahmed Fatah Alrahman Ahmed Mohammed, Ahmed Fatah |
title |
Effect of Different Drilling Fluids on Reservoir Skin Factor
|
title_short |
Effect of Different Drilling Fluids on Reservoir Skin Factor
|
title_full |
Effect of Different Drilling Fluids on Reservoir Skin Factor
|
title_fullStr |
Effect of Different Drilling Fluids on Reservoir Skin Factor
|
title_full_unstemmed |
Effect of Different Drilling Fluids on Reservoir Skin Factor
|
title_sort |
effect of different drilling fluids on reservoir skin factor |
publisher |
Universiti Teknologi Petronas |
publishDate |
2012 |
url |
http://utpedia.utp.edu.my/5730/1/Final%20Report%20FYP%2C%20Mohammed%20Elfatih%2014130.pdf http://utpedia.utp.edu.my/5730/ |
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13.15806 |