Field Injection Operations and Monitoring of the Injected CO2

Niemi, Auli; Bensabat, Jacob; Bergmann, Peter G.; Juhlin, Christopher; Tatomir, Alexandru; Ghergut, I.; Sauter, Martin; Freifeld, Barry; Myer, Larry R.; Doughty, Christine; Liebscher, Axel; Martens, Sonja; Möller, Fabian; Schmidt‐Hattenberger, Cornelia; Streibel, Martin

doi:10.1007/978-94-024-0996-3_8

Cited by 1 publication

(1 citation statement)

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“…Little has yet been done in the delineation of the fluid‐fluid interfaces, for dynamic flow conditions (Tatomir et al, ). A review of tracer techniques commonly used in monitoring carbon capture and storage projects can be found in Myers et al (, ), Niemi et al (), Tatomir et al ().…”

Section: Introductionmentioning

confidence: 99%

Kinetic Interface Sensitive Tracers: Experimental Validation in a Two‐Phase Flow Column Experiment. A Proof of Concept

Tatomir

Vriendt

Zhou

et al. 2018

Water Resources Research

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The quantification of the interfacial area between fluids in a multiphase system in porous media has been a subject of growing interest in disciplines where mass transfer across fluid interfaces is of importance. In this study, a proof of concept for a novel kinetic interface sensitive (KIS) tracer is provided by employing a simple, low-cost, well-controlled dynamic column experiment in conjunction with a macroscale two-phase flow reactive transport model. The steel column is filled with a well-characterized porous medium consisting of well-sorted normally distributed glass beads (d 50 = 240 μm). KIS tracers were designed to determine the specific interfacial area, a wn , between a nonwetting fluid and a wetting fluid, by evaluating the chemical reaction rates and mass transfer across the fluid-fluid interface. This study shows for the first time a general framework behind the use of KIS tracers and their potential in assessing the a wn for a known capillary pressure-saturation relationship under laboratory conditions. A two-phase flow four-component reactive transport and a two-phase flow two-component transport numerical model were developed to simulate the oil flooding of the initially water saturated column and tracer breakthrough curves obtained from experimental data. These breakthrough curves were subsequently used to approximate a wn using a polynomial relationship. The interpretation of the KIS tracer column experiments indicates that the range for maximum value of a wn is between 500 and 540 m 2 /m 3 . The results also show that despite the use of two independently synthesized tracers, if the reaction kinetics are well quantified, similar a wn values can be obtained.

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