«Onshore and offshore oil and gas well construction»

Ways to increase the efficiency of using water-proofing compounds in heterogeneous reservoirs with different permeability

UDC: 622.276:622.245
DOI: 10.33285/0130-3872-2023-7(367)-45-49

Authors:

¹ Stavropol Gazprom VNIIGAZ, Stavropol, Russia

Keywords: isolation of water inflow, water-proofing compounds, reservoir permeability, degree of water isolation, conditional viscosity, reservoir, inert filler

Annotation:

The article shows the possibility of expanding the range of using a promising water-proofing composition by modifying it with the help of functional additives and further adapting its use to various geological conditions of the well. The laboratory and bench testing studies resulted in the development of compositions for isolating water inflow in wells with different reservoir permeability from 0,1 to 2,0 Darcy. The technology of injection of compositions with different viscosities No. 1 and 2 into a reservoir with layered reservoir heterogeneity is considered.

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