Surface energy characterization of carbonate rocks

Arsalan, Naveed; Palayangoda, Sujeewa S.; Burnett, Daniel J.; Buiting, Johannes Jan; Nguyen, Quoc P.

doi:10.1016/j.colsurfa.2013.06.004

Cited by 39 publications

(11 citation statements)

References 26 publications

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“…The principle and technique behind IGC measurements has been extensively discussed in the literature [13,14]. In this section, we will describe the process for determining the wettability index for a reservoir rock, in contact with a brine phase and an oil phase.…”

Section: Theorymentioning

confidence: 99%

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Surface energy and wetting behavior of reservoir rocks

Arsalan

Buiting

Nguyen

2015

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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h i g h l i g h t s• Investigated the surface energy of a reservoir rock using IGC.• Examined the effect of moisture and temperature on their surface energetics.• The surface interaction forces at the rock-fluid interface were quantified.• Proposed a new approach for measuring the wettability index of a rock-fluid system.• Wettability index scales from −1 (strongly oil-wet) to +1 (strongly water-wet). g r a p h i c a l a b s t r a c t a b s t r a c tAn accurate description of the surface chemistry of the reservoir rock-fluid system is essential to understand the attractive forces between the various phases (crudes, brines and the rock surface). These physico-chemical interactions determine the fundamental nature of the reservoir wettability and the wetting behavior of fluids on the reservoir rock surface. Inverse gas chromatography (IGC) is used to characterize the surface chemistry of a Saudi Arabian reservoir rock (henceforth referred to as 'reservoir rock') at different moisture coverage and temperatures. This information combined with the surface tension of the interacting reservoir fluids is utilized to develop a new method for quantifying wettability in terms of a wettability index. This index is based on the relative magnitude of the work of adhesion between the rock surface and the competing oleic/aqueous phase.Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/3.0/).

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Section: Theorymentioning

confidence: 99%

“…The authors have successfully demonstrated the technique to quantify these fundamental interactions by characterizing the surface energetics of some sandstone and carbonate rocks using inverse gas chromatography [13,14]. Here we extend this technique to a carbonate rock obtained from a Saudi Arabian reservoir.…”

Section: Introductionmentioning

confidence: 96%

Surface energy and wetting behavior of reservoir rocks

Arsalan

Buiting

Nguyen

2015

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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“…The stronger interaction between PEOX and the sample makes PEOX spread better than PB 72 on the surface of calcite, which brings polar groups. On the other hand, the surface tension of isopropyl alcohol is slightly lower than acetone, which promotes the capillary penetration in the high surface energy calcite [ 28 ]. Another possible reason that causes the penetration difference could be that acetone has a quicker evaporation rate than isopropyl alcohol.…”

Section: Resultsmentioning

confidence: 99%

Environment-Friendly Poly(2-ethyl-2-oxazoline) as an Innovative Consolidant for Ancient Wall Paintings

Zhang

Wei

2018

Nanomaterials

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The research of innovative materials on the conservation of ancient wall paintings has given rise to increased attention in recent years. One of the most used synthetic organic consolidation material for the wall paintings is the commercial acrylic resin Paraloid B72 (PB 72), which encounters problems of the use of toxic solvents, low water vapor transmission, and poor penetration. Here, the non-toxic, environment-friendly product poly(2-ethyl-2-oxazoline) (PEOX) has been demonstrated as a great potential consolidant for wall paintings to solve these issues. First of all, thanks to the better penetration ability, the simulating plaster sample treated with PEOX shows greater enhanced surface hardness than PB 72. The single-lap joint shear strength test and the scotch tape test revealed the good adhesion of PEOX on inorganic surfaces and effective pigment consolidation. At the same time, the PEOX-treated sample presents less surface gloss. The hydrophilic nature of PEOX merits itself with superior water vapor permeability compared with PB 72. These advantages enable PEOX to be a progressive choice to replace the use of PB 72 in the controlled indoor working environment.

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“…It should be noted that calcite and dolomite rocks are considered in this work due to two reasons: i) carbonated reservoirs account for more than 50% of the world's hydrocarbon reservoirs [33]most common Iranian scales (calcium carbonate and calcium sulfate) generally result from the complexsurface interactions between brines and carbonated rocks [34]. Consequently, in this part, the brines were exposed to ten grams of calcite and dolomite specifically to assess the SI performance.…”

Section: Impact Of Rock Presencementioning

confidence: 99%

Performance of a novel green scale inhibitor

2021

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Many aspects of oilfield scale inhibition with green scale inhibi-tors (SIs) have remained untouched. For instance, the discharge of large amounts of produced water containing various types of hazardous chemi-cals, such as SIs into the environment has become a major concern. In-stead, environmental regulators encourage operators to look for greener SIs. In this study, the performance of a green SI was investigated using PHREEQC simulation. For a specific case study, two brines are considered to mix incompatibly to estimate the critical mixing ratio that has the high-est tendency to scaling. Subsequently, for 50/50 mixing ratio as the critical value, theoptimal dosage of SI and its performance in the presence of two different rocks were investigated such that 450 mg/L SI would be consi-dered as optimal value. Moreover, the simulated results show that more SI adsorption on calcite would be predicted, compared to dolomite.

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Surface energy characterization of carbonate rocks

Cited by 39 publications

References 26 publications

Surface energy and wetting behavior of reservoir rocks

Surface energy and wetting behavior of reservoir rocks

Environment-Friendly Poly(2-ethyl-2-oxazoline) as an Innovative Consolidant for Ancient Wall Paintings

Performance of a novel green scale inhibitor

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