Experimental Evaluation of the Multiphase Flow Effect on Sand Production Process: Prepack Sand Retention Testing Results

Dmitry Tananykhin, Maxim Grigorev, Maxim Korolev, Timur Solovyev, Nikolay Mikhailov and Mark Nesterov
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Dmitry Tananykhin: Petroleum Faculty, Saint Petersburg Mining University, 199106 Saint Petersburg, Russia
Maxim Grigorev: Petroleum Faculty, Saint Petersburg Mining University, 199106 Saint Petersburg, Russia
Maxim Korolev: Faculty of Oil and Gas, Yugra State University, 628011 Khanty-Mansiysk, Russia
Timur Solovyev: Sevkomneftegaz LLC, 309180 Gubkin, Russia
Nikolay Mikhailov: Department of Development and Operation of Oil Fields, Gubkin University, 119991 Moscow, Russia
Mark Nesterov: Petroleum Engineering, Saint Petersburg State University, 199034 Saint Petersburg, Russia

Energies, 2022, vol. 15, issue 13, 1-17

Abstract: This paper considers a field with high-viscosity oil in a terrigenous weakly consolidated reservoir (sandstone) with a massive gas cap and an aquifer. The major challenge in the field operation is the migration of solid sand particles into the well, accompanied by a breakthrough of water and/or gas. The goal of the investigation was to evaluate the degree of influence on the sanding process of water and gas shares in the produced fluid and to determine the effect of pressure drop. The research methodology is based on a series of filtration experiments on small-sized bulk reservoir models. Particle size distribution of bulk models was created in accordance with that of the reservoir. The experiments were made in the form of Prepack Sand Retention Tests (SRT). Gas breakthrough allows sand production on a relatively high level for a longer amount of time, even though the concentration of solids in the produced fluid is lower than that of water breakthrough. On the other hand, water breakthrough triggers higher sand production, but it rapidly decreases as time goes on. Retained permeability of the model-screen system from the drawdown pressure (pressure gradient) and phase distribution of the flow were investigated. Moreover, a methodology has been developed for conducting filtration tests on bulk reservoir models to evaluate the efficiency of different screens (wire-wrapped screens, in particular).

Keywords: sand production; sanding process; solids production; wire wrapped screen; weakly consolidated reservoir; prepack sand retention tests (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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