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Validation of ESP oil wells measured parameters using simulation olga software

Ganat, Tarek A. and Hrairi, Meftah and Hawlader, Mohammad Nurul Alam (2017) Validation of ESP oil wells measured parameters using simulation olga software. In: 3rd International Conference on Mechanical, Automotive and Aerospace Engineering 2016 (ICMAAE’16), 25th-27th July 2016, Kuala Lumpur, Malaysia.

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The significant challenge in the oil and gas industry is the concurrent measurement of commingled gas, oil and water production, either using three phase test separator or multiphase flow meter (MPFM). A major issue in these applications is the uncertainty of the measurements, due to different measurement operations conditions. A new computational approach has been generated to estimate oil well flow rate of 48 oil wells using Electrical Submersible pump (ESP) from D, G, and W oil fields located in North Africa. The idea is to close the wellhead wing valve and the ESP is kept running normally and the wellhead flowing pressure before shut-in the well and the build-up of wellhead flowing pressure after shut-in the well are measured. OLGA software has been used to make comparison with multiphase flow model available in the OLGA software against each nominated ESP oil well parameters obtained from measured field data. The objective was to verify the obtained shut-in wellhead pressure after closing the choke wing valve (WHPa) from the measured field data with the obtained shut-in wellhead pressure valve from the simulation model. In this paper the simulation results showed that the estimated WHPa are in agreement with the measured WHPa. The relative errors for individual oil field are within accuracy standard specification (typically +/- 10%). The overall relative errors are low and within acceptable uncertainty range, where the aggregate relative error for all wells was less than +/-4% which is considered acceptable. Therefore, the results have demonstrated that the new computational method can work under ESP oil wells conditions and has the ability to perform accurate results even when closing the wellhead wing valve for short time span.

Item Type: Conference or Workshop Item (Plenary Papers)
Additional Information: 4980/56892
Uncontrolled Keywords: Aerospace engineering; Computational methods; Computer software
Subjects: T Technology > TP Chemical technology > TP690 Petroleum refining and products
T Technology > TP Chemical technology > TP751 Gas industry
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User: Prof. Dr. Meftah Hrairi
Date Deposited: 19 May 2017 11:05
Last Modified: 17 Aug 2019 16:29
URI: http://irep.iium.edu.my/id/eprint/56892

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