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On the Investigation of Gravity Assisted Inert Gas Injection Using Micromodels, Long Berea Sandstone Core and Computer Assisted Tomography

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On the Investigation of Gravity Assisted Inert Gas Injection Using Micromodels, Long Berea Sandstone Core and Computer Assisted Tomography 2016-10-25T11:54:16+00:00

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On the Investigation of Gravity Assisted Inert Gas Injection Using Micromodels, Long Berea Sandstone Core and Computer Assisted Tomography

Chatzis, I., Kantzas, A. and Dullien, F.A.L.

DOI: 10.2118/18284-MS
SPE 18284, presented at the SPE Annual Technical Conference and Exhibition, held in Houston, Texas, October 2-5, 1988.

ABSTRACT

Downward displacement of oil by inert gas injected in a reservoir either at initial oil and connate water conditions or, in a reservoir depleted by waterflooding, results in very high oil recovery efficiencies under strongly water-wet conditions in both unconsolidated and consolidated porous media respectively. Advances made in porous media respectively. Advances made in directional drilling technology and increased understanding of the mechanisms and conditions that maximize recovery efficiencies can make the inert gas injection process of oil recovery feasible for a wide variety of oil reservoirs. This paper presents experimental results and discussion of a presents experimental results and discussion of a series of experiments designed for the study of: 1) production characteristics under immiscible inert gas driven gravity drainage conditions; 2) microscopic mechanisms of displacements and the determination of the rate of production by gravity drainage in capillary tubes having square cross-section; and 3) fluid distributions and oil bank formation using the x-ray computer tomography (CT) scanning facilities we recently established in our laboratory.

A full version of this paper is available on OnePetro Online.

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