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EFFECTIVENESS OF FLUOBORIC ACID ON TREATING FINES MIGRATION IN SANDSTONE FORMATION

There are many technologies have been introduced to find efficient and cost effective ways to prevent fines migration in the sandstone formation. Fines that able to migrate are usually the main contribution to the reduction of well’s permeability by clogging the pore throat of the rock. Further fine...

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Main Author: BIN ABDUL AZIZ, MOHD KHAIRUL AZREE
Format: Final Year Project
Language:English
Published: IRC 2014
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://utpedia.utp.edu.my/14571/1/Final%20Dissertaton%2014352.pdf
http://utpedia.utp.edu.my/14571/
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spelling my-utp-utpedia.145712017-01-25T09:36:32Z http://utpedia.utp.edu.my/14571/ EFFECTIVENESS OF FLUOBORIC ACID ON TREATING FINES MIGRATION IN SANDSTONE FORMATION BIN ABDUL AZIZ, MOHD KHAIRUL AZREE TA Engineering (General). Civil engineering (General) There are many technologies have been introduced to find efficient and cost effective ways to prevent fines migration in the sandstone formation. Fines that able to migrate are usually the main contribution to the reduction of well’s permeability by clogging the pore throat of the rock. Further fines migration also can cause screen erosion and failure. It is important to control fines migration in the producing well as it contributes to a lot of problem. Huge interest on fluoboric acid in oil and gas industry has raised the question how fluoboric acid can stabilize formation clays while improving the permeability properties. This work focusses on how effective the fluoboric acid stabilize the clay in the sandstone formation. An experiment was set up to show the effectiveness of fluoboric acid in treating fines migration in the sandstone formation. The sand pack was saturated with different concentration of hydrofluoric acid and a high concentration (2500 ppm) of mixed formation fines was flown through the sand pack to simulate migrating fines and finally, the effluent was collected and analysed. From the study, as concentration of hydrofluoric acid is increased, the collected effluent are becoming clearer. This is due the high amount of HF molecules leads to higher concentration of hydrofluoric acid causing stabilized undissolved fines to be obtained. Another experiment was conducted to measure the amount of effluent collected and turbidity reading for 5% and 7% concentrations to identify the optimum concentration to dissolve the fines as the volume of the formation fines solution increases. It turns out that 7% concentration of hydrofluoric acid gives low reading of turbidity as the volumes increases up to 200 ml. This project can be considered as one of the well stimulation techniques to improve the productivity of the producing well. It is very much related to the current conditions of the wells that are reducing in formation permeability because of the fines migration and deposition results in high positive skin near the wellbore. IRC 2014-09 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/14571/1/Final%20Dissertaton%2014352.pdf BIN ABDUL AZIZ, MOHD KHAIRUL AZREE (2014) EFFECTIVENESS OF FLUOBORIC ACID ON TREATING FINES MIGRATION IN SANDSTONE FORMATION. IRC, Universiti Teknologi PETRONAS. (Unpublished)
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Electronic and Digitized Intellectual Asset
url_provider http://utpedia.utp.edu.my/
language English
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
BIN ABDUL AZIZ, MOHD KHAIRUL AZREE
EFFECTIVENESS OF FLUOBORIC ACID ON TREATING FINES MIGRATION IN SANDSTONE FORMATION
description There are many technologies have been introduced to find efficient and cost effective ways to prevent fines migration in the sandstone formation. Fines that able to migrate are usually the main contribution to the reduction of well’s permeability by clogging the pore throat of the rock. Further fines migration also can cause screen erosion and failure. It is important to control fines migration in the producing well as it contributes to a lot of problem. Huge interest on fluoboric acid in oil and gas industry has raised the question how fluoboric acid can stabilize formation clays while improving the permeability properties. This work focusses on how effective the fluoboric acid stabilize the clay in the sandstone formation. An experiment was set up to show the effectiveness of fluoboric acid in treating fines migration in the sandstone formation. The sand pack was saturated with different concentration of hydrofluoric acid and a high concentration (2500 ppm) of mixed formation fines was flown through the sand pack to simulate migrating fines and finally, the effluent was collected and analysed. From the study, as concentration of hydrofluoric acid is increased, the collected effluent are becoming clearer. This is due the high amount of HF molecules leads to higher concentration of hydrofluoric acid causing stabilized undissolved fines to be obtained. Another experiment was conducted to measure the amount of effluent collected and turbidity reading for 5% and 7% concentrations to identify the optimum concentration to dissolve the fines as the volume of the formation fines solution increases. It turns out that 7% concentration of hydrofluoric acid gives low reading of turbidity as the volumes increases up to 200 ml. This project can be considered as one of the well stimulation techniques to improve the productivity of the producing well. It is very much related to the current conditions of the wells that are reducing in formation permeability because of the fines migration and deposition results in high positive skin near the wellbore.
format Final Year Project
author BIN ABDUL AZIZ, MOHD KHAIRUL AZREE
author_facet BIN ABDUL AZIZ, MOHD KHAIRUL AZREE
author_sort BIN ABDUL AZIZ, MOHD KHAIRUL AZREE
title EFFECTIVENESS OF FLUOBORIC ACID ON TREATING FINES MIGRATION IN SANDSTONE FORMATION
title_short EFFECTIVENESS OF FLUOBORIC ACID ON TREATING FINES MIGRATION IN SANDSTONE FORMATION
title_full EFFECTIVENESS OF FLUOBORIC ACID ON TREATING FINES MIGRATION IN SANDSTONE FORMATION
title_fullStr EFFECTIVENESS OF FLUOBORIC ACID ON TREATING FINES MIGRATION IN SANDSTONE FORMATION
title_full_unstemmed EFFECTIVENESS OF FLUOBORIC ACID ON TREATING FINES MIGRATION IN SANDSTONE FORMATION
title_sort effectiveness of fluoboric acid on treating fines migration in sandstone formation
publisher IRC
publishDate 2014
url http://utpedia.utp.edu.my/14571/1/Final%20Dissertaton%2014352.pdf
http://utpedia.utp.edu.my/14571/
_version_ 1739832018832719872
score 13.211869

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