Pressure Profile Estimation through CFD in UBD Operation Considering with Influx to Wellbore

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Dabiri Atashbeyk Meysam; SHAHBAZI KHALIL; FATTAHI MOSLEM

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Journal Paper

Paper Information

Journal: Iranian Journal of Chemistry and Chemical Engineering Year:2018 | Volume:37 | Issue:6 Page(s): 271-283

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Title

Pressure Profile Estimation through CFD in UBD Operation Considering with Influx to Wellbore

Author(s)

Dabiri Atashbeyk Meysam | SHAHBAZI KHALIL | FATTAHI MOSLEM | Issue Writer Certificate

Keywords

Underbalanced drilling

Pressure profile

Transient flow

CFD technique

Abstract

Nowadays, Underbalanced drilling (UBD) technology is widely applicable in the petroleum industry due to its advantages to an overbalanced drilling operation. UBD success depends on maintaining the drilling fluid circulating pressure below the reservoir pore pressure during operations. One of the main prerequisites of a successful UBD operation is the correct estimation of the Pressure profile. In this investigation, the Pressure profile was obtained with consideration of the influx to the wellbore. A spreadsheet was developed to obtain the Pressure profile using an analytical solution for aerated mud in UBD operation. Moreover, a numerical simulation was employed to simulate the three-phase flow in annulus through the UBD operation and the transient Eulerian model flow via the turbulence k-ε model. The effects of solid particle size and rotation of the inner pipe were considered on the pressure drop. It was observed that pressure drop was significantly increased with increasing solid particle size while it remained almost constant with increasing of the inner pipe rotation. The analytical and numerical results were compared with published experimental results and showed a good agreement.

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APA: Copy

Dabiri Atashbeyk, Meysam, SHAHBAZI, KHALIL, & FATTAHI, MOSLEM. (2018). Pressure Profile Estimation through CFD in UBD Operation Considering with Influx to Wellbore. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 37(6), 271-283. SID. https://sid.ir/paper/721946/en

Vancouver: Copy

Dabiri Atashbeyk Meysam, SHAHBAZI KHALIL, FATTAHI MOSLEM. Pressure Profile Estimation through CFD in UBD Operation Considering with Influx to Wellbore. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2018;37(6):271-283. Available from: https://sid.ir/paper/721946/en

IEEE: Copy

Meysam Dabiri Atashbeyk, KHALIL SHAHBAZI, and MOSLEM FATTAHI, “Pressure Profile Estimation through CFD in UBD Operation Considering with Influx to Wellbore,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 37, no. 6, pp. 271–283, 2018, [Online]. Available: https://sid.ir/paper/721946/en

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