The Conceptual Design of a Noninvasive Solids-Free Drill-in Fluid

Martins, André F. T.; Waldmann, Alex; Ribeiro, Daniel Araki; Massarani, G.

doi:10.2523/94287-ms

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2013

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“…Besides these applications in the oil industry, starch compounds can act to reduce filtrate, modify rheological properties, stabilize shales and reduce drag, as well as they can be used in advanced oil recovery (EOR) processes [4,5]. The influx of the liquid phase, known as filtrate, in productive zones can cause a significant reduction of permeability and hence lower well productivity [6,7]. The incorporation of natural gums and starch-based materials in drilling fluids compositions was the primary solution to control this phenomenon [8].…”

Section: Introductionmentioning

confidence: 99%

Starch Fatty Esters for Potential Use in Petroleum Industry

Dias¹,

Souza²,

Lucas³

2013

ChChT

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The aim of this study was to obtain and characterize starch fatty esters with variations in the hydrophilic/lipophilic balance and to assess whether these samples have potential application in oil-based drilling fluids. The variation in the hydrophobicity of the samples was verified by means of viscosity tests, which suggested that the products had varied solubility parameters, near the value of the solvent n-paraffin.

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