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A COMPARATIVE STUDY OF DRILLING FLUIDS POWER DELIVERY OF WATER, AIR AND SC-CO2 IN COILED TUBING DRILLING

SORNPROM, NATAPONG (2014) A COMPARATIVE STUDY OF DRILLING FLUIDS POWER DELIVERY OF WATER, AIR AND SC-CO2 IN COILED TUBING DRILLING. IRC, Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Recently, coiled tubing drilling becomes one of the most exciting technological developments and a preferred technique in oilfield. Coiled tubing drilling has a wide range of potential applications. However, it requires drilling fluids to supply sufficient power for the down-hole drilling motor and to circulate cuttings out of wellbore. Water, which is generally used as the drilling fluid, becomes a major problem when drilling small deep holes in hard formation. Additionally water is incompressible fluid and can only deliver hydraulic power. Hence, a comparative study of drilling fluids power delivery in coiled tubing drilling by using water, air and supercritical carbon dioxide (SC-CO2) as drilling fluids is proposed. Based on studies, both SC-CO2 and air are compressible and low viscosity fluid. The water drilling fluid is then taken as the benchmark. The properties of fluids are considered in order to enable achieving sufficient energy delivery, prolong the coiled tubing lifetime as well as the associated drilling components. Thus, in this project, calculation and comparison of water, air and SC-CO2 will be carried out in terms of energy delivery in relation to inlet and outlet pressure.

Item Type: Final Year Project
Academic Subject : Academic Department - Petroleum Geosciences - Petroleum Engineering - Reservoir management - Reservoir monitoring and surveillance
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Geoscience and Petroleum Engineering
Depositing User: Ahmad Suhairi Mohamed Lazim
Date Deposited: 28 Jan 2015 09:49
Last Modified: 25 Jan 2017 09:36
URI: http://utpedia.utp.edu.my/id/eprint/14570

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