2014
DOI: 10.22564/rbgf.v32i2.453
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A New Approach to Calculate Mud Invasion in Reservoirs Using Well Logs

Abstract: ABSTRACT. Muds of different compositions are used in the drilling well process, to support the wall of the borehole along with maintenance of pressure, and to remove rock cuttings generated from the geological formations encountered by the drill bit. The drilling mud invades the formations and modifies the zones surrounding the borehole, mainly, in terms of the physical properties of the rocks, such as porosity and permeability. The identification of this formation damage is important for reservoir characteriz… Show more

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Cited by 4 publications
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“…Transition zone Invaded zone Adjacent bed Uninvaded zone Source Mud d h Fig. 1 Diagram of a borehole with a telemetry system (modified after Ribeiro and Carrasquilla 2014). (Jiang et al 2017;Anderson 2001) The medium is characterized by a "radial conductivity" rr which is constant in the horizontal directions and varies in the vertical direction for "vertical conductivity" zz , such that rr ≠ zz .…”
Section: D Anisotropymentioning
confidence: 99%
“…Transition zone Invaded zone Adjacent bed Uninvaded zone Source Mud d h Fig. 1 Diagram of a borehole with a telemetry system (modified after Ribeiro and Carrasquilla 2014). (Jiang et al 2017;Anderson 2001) The medium is characterized by a "radial conductivity" rr which is constant in the horizontal directions and varies in the vertical direction for "vertical conductivity" zz , such that rr ≠ zz .…”
Section: D Anisotropymentioning
confidence: 99%