Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Mathematical Modeling of Prediction of Horizontal Wells with Gravel Pack Combined with Inflow Control Device Completion in Bottom Water Reservoirs

Version 1 : Received: 17 August 2023 / Approved: 18 August 2023 / Online: 18 August 2023 (11:28:12 CEST)

A peer-reviewed article of this Preprint also exists.

Qin, S.; Zhang, N.; Cao, B.; An, Y.; Huo, R. Mathematical Modeling of Prediction of Horizontal Wells with Gravel Pack Combined with ICD in Bottom-Water Reservoirs. Processes 2023, 11, 2777. Qin, S.; Zhang, N.; Cao, B.; An, Y.; Huo, R. Mathematical Modeling of Prediction of Horizontal Wells with Gravel Pack Combined with ICD in Bottom-Water Reservoirs. Processes 2023, 11, 2777.

Abstract

During the development of horizontal wells in bottom water reservoirs, the strong heterogeneity of reservoir permeability leads to premature bottom water breakthrough at locations with high permeability in the horizontal wellbore, and the water content rises rapidly, which seriously affects production. In order to cope with this problem, a new technology has emerged in recent years that utilizes gravel filling to block the flow in the annulus between the horizontal well and the borehole, and utilizes the Inflow Control Device (ICD) completion tool to carry out segmental water control in horizontal wells. Unlike conventional horizontal well ICD completions that use packers for segmentation, gravel pack combined with ICD completions breaks the original seg-mentation routine and increases the complexity of production dynamic simulation. In this paper, the flow in different spatial dimensions such as reservoir, gravel packed layer, ICD completion section and horizontal wellbore is modeled separately, and the annular pressure at different locations is used as the solution variable for the coupled solution, which realizes the prediction of oil production, water production and water content of gravel pack combined with ICD completions of horizontal wells. The model was used to calculate the effects of different crude oil viscosities, different reservoir permeabilities, different permeabilities of gravel packed layers, and different development stages on the water control effects of gravel pack combined ICD completions and conventional ICD completions at field conditions. This study provides a basis for using gravel pack combined ICD completions in horizontal wells in bottom water reservoirs.

Keywords

inflow control device; horizontal wells; bottom water reservoir; gravel pack

Subject

Engineering, Energy and Fuel Technology

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