Modeling of Swab and Surge Pressures: A Survey

Swab and surge pressure fluctuations are decisive during drilling for oil. The axial movement of the pipe in the wellbore causes pressure fluctuations in wellbore fluid; these pressure fluctuations can be either positive or negative, corresponding to the direction of the movement of the pipe. For ex...

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Main Authors: Amir Mohammad, Reggie Davidrajuh
Format: Article
Language:English
Published: MDPI AG 2022-03-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/12/7/3526
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author Amir Mohammad
Reggie Davidrajuh
author_facet Amir Mohammad
Reggie Davidrajuh
author_sort Amir Mohammad
collection DOAJ
description Swab and surge pressure fluctuations are decisive during drilling for oil. The axial movement of the pipe in the wellbore causes pressure fluctuations in wellbore fluid; these pressure fluctuations can be either positive or negative, corresponding to the direction of the movement of the pipe. For example, if the drill string is lowering down in the borehole, the drop is positive (surge pressure), and if the drill string is pulling out of the hole, the drop is negative (swab pressure). The intensity of these pressure fluctuations depends on the speed of the lowering down (tripping in) or withdrawing the pipe out (tripping out). High tripping speed corresponds to higher pressure fluctuations and can lead to fracturing the well formation. Low tripping speed leads to a slow operation, causing non-productive time, thus increasing the overall well budget. Researchers used mathematical equations and physics to understand the phenomena and have provided many empirical, mathematical, and physics-based models. This paper starts with a literature study on the swab and surge pressures. After that, this paper concludes with a proposal for a new approach. The new approach proposes developing new models that are more robust, using field data, as we have access to field data from drilling operations. Research using field data would provide data-driven methodologies as new solutions for the rate of penetration, reservoir management, and drilling optimization. The expected outcome will improve the performance of the tripping in and tripping out process within drilling and well construction, and will further reduce the risk related to swab and surge pressures.
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spelling doaj.art-3737c728cb3547078e5ce873517102012023-11-30T22:56:56ZengMDPI AGApplied Sciences2076-34172022-03-01127352610.3390/app12073526Modeling of Swab and Surge Pressures: A SurveyAmir Mohammad0Reggie Davidrajuh1Department of Electrical Engineering & Computer Science, University of Stavanger, 4021 Stavanger, NorwayDepartment of Electrical Engineering & Computer Science, University of Stavanger, 4021 Stavanger, NorwaySwab and surge pressure fluctuations are decisive during drilling for oil. The axial movement of the pipe in the wellbore causes pressure fluctuations in wellbore fluid; these pressure fluctuations can be either positive or negative, corresponding to the direction of the movement of the pipe. For example, if the drill string is lowering down in the borehole, the drop is positive (surge pressure), and if the drill string is pulling out of the hole, the drop is negative (swab pressure). The intensity of these pressure fluctuations depends on the speed of the lowering down (tripping in) or withdrawing the pipe out (tripping out). High tripping speed corresponds to higher pressure fluctuations and can lead to fracturing the well formation. Low tripping speed leads to a slow operation, causing non-productive time, thus increasing the overall well budget. Researchers used mathematical equations and physics to understand the phenomena and have provided many empirical, mathematical, and physics-based models. This paper starts with a literature study on the swab and surge pressures. After that, this paper concludes with a proposal for a new approach. The new approach proposes developing new models that are more robust, using field data, as we have access to field data from drilling operations. Research using field data would provide data-driven methodologies as new solutions for the rate of penetration, reservoir management, and drilling optimization. The expected outcome will improve the performance of the tripping in and tripping out process within drilling and well construction, and will further reduce the risk related to swab and surge pressures.https://www.mdpi.com/2076-3417/12/7/3526swab and surge pressuredrilling for oiltripping-intripping-outmodels for swab and surge
spellingShingle Amir Mohammad
Reggie Davidrajuh
Modeling of Swab and Surge Pressures: A Survey
Applied Sciences
swab and surge pressure
drilling for oil
tripping-in
tripping-out
models for swab and surge
title Modeling of Swab and Surge Pressures: A Survey
title_full Modeling of Swab and Surge Pressures: A Survey
title_fullStr Modeling of Swab and Surge Pressures: A Survey
title_full_unstemmed Modeling of Swab and Surge Pressures: A Survey
title_short Modeling of Swab and Surge Pressures: A Survey
title_sort modeling of swab and surge pressures a survey
topic swab and surge pressure
drilling for oil
tripping-in
tripping-out
models for swab and surge
url https://www.mdpi.com/2076-3417/12/7/3526
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