Scale Formation in Reservoir and Production Equipment During Oil Recovery. IV. Experimental Study of BaSO4 and SrSO4 Scaling in Steel Tubings.

Rollheim, Mette; Shamsili, Ramin G.; Østvold, Terje; Siamos, Anastassios; Consiglio, Giovanni; Chanon, Michel; Striley, Cindy; Weidlein, Johann; Nasiri, Ahmad; Okada, Yoshito

doi:10.3891/acta.chem.scand.47-0358

Cited by 7 publications

(3 citation statements)

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“…The prediction models developed so far are based only on the thermodynamics dominating the aqueous system (Przybylinski 1987;Rollheim et al, 1993). However, when considering that the formation of the CaCO 3 is not being determined only by the thermodynamics of the examined system, but also by the surface kinetics, it is clear that the available scaling models are not complete and therefore they lead to under/over estimated simulations (Zhang et al, 2001).…”

Section: Introductionmentioning

confidence: 99%

Prediction and Evaluation of Calcium Carbonate Deposition at Surfaces

Mavredaki¹,

Neville²

2014

SPE International Oilfield Scale Conference and Exhibition

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Mineral scaling is one of the main flow assurance problems facing the oil and gas sector and imposes severe constraints on the economic and safe operation of many fields. During the last decades, operators, in conjunction with the chemical manufacturers and oilfield service companies have focused on understanding, predicting and mitigating scale formation. Even though progress towards better management of scale formation continues, scale precipitation is still a significant flow assurance problem, caused by changes in temperature and pressure conditions or by mixing incompatible waters (produced water, seawater, aquifers) especially at high water cuts. One of the most frequently depositing scale types in the oil production process is calcium carbonate. To date, the overwhelming amount of research has been on the thermodynamics that drive the precipitation of calcium carbonate in an aqueous system, with little attention given to actual surface deposition. Therefore, to improve scale management practices, the kinetics that dominate CaCO 3 surface formation need to be understood. The work presented in this paper, has as its main focus the deposition of CaCO 3 at a stainless steel surface.The data from the surface is presented in conjunction with the findings from bulk phase experiments. A small bore flow rig and a quartz crystal microbalance were used for monitoring the induction time and the real time deposition of CaCO 3 . Calcium carbonate deposition was examined at a range of conditions with emphasis given to different saturation ratios (SR). The results are discussed in correlation with the theoretical calculations based on a scale prediction software.The data collected from the CaCO 3 surface experiments contribute to understanding at which level the saturation ratio becomes a threat with respect to scale formation at surfaces. This paper describes steps towards predicting the induction time of calcium carbonate at surfaces, when the main input is the saturation ratio.

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Section: Introductionmentioning

confidence: 99%

Prediction and Evaluation of Calcium Carbonate Deposition at Surfaces

Mavredaki¹,

Neville²

2014

SPE International Oilfield Scale Conference and Exhibition

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“…1,2 The deposition of scale can have severe consequences in which the efficiency of oil recovery is reduced or, in extreme cases, the reservoir can become plugged. Of as much importance to reservoir and production facility operation is the formation of scale on pipelines and the surfaces of other components such as valves.…”

Section: Introductionmentioning

confidence: 99%

Using an Electrochemical Approach for Monitoring Kinetics of CaCO3 and BaSO4 Scale Formation and Inhibition on Metal Surfaces

Morizot

Neville

2001

SPE Journal

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To date, much emphasis on scale-inhibitor evaluation and the study of scale kinetics has been carried out using static beaker tests. This paper describes the use of an electrochemically based technique that allows the extent of scaling on a solid surface to be determined in the presence and in the absence of scale inhibitor. The ability of the technique to provide kinetic information on surface scaling will be demonstrated with two common varieties of scale. A comparison is made between surface-and bulk-scaling kinetics. Finally, the potential for this technique as a method for online monitoring of scale formation downhole will be discussed.

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“…carbonates, sulphates) on the surface of production equipment and in the pores of rock is a problem which imposes massive costs to oilfield operators 1,2 . The deposition of scale can have severe consequences in which the efficiency of oil recovery is reduced or in the extreme cases the reservoir can become plugged.…”

Section: Introductionmentioning

confidence: 99%

A Novel Approach for Monitoring of CaCO3 and BaSO4 Scale Formation

Morizot¹,

Neville²

2000

Proceedings of International Symposium on Oilfield Scale

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TX 75083-3836, U.S.A., fax 01-972-952-9435. AbstractTo date much emphasis on scale inhibitor evaluation and studies of scale kinetics has been given to studies using static beaker tests. This paper describes an electrochemically based technique, which allowed the extent of scaling on a solid surface to be determined in presence and in absence of scale inhibitor. The ability of the technique to provide kinetic information on surface scaling will be demonstrated with two kinds of scale. Finally the potential for this technique as a method for on-line monitoring of scale formation downhole will be discussed.

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Scale Formation in Reservoir and Production Equipment During Oil Recovery. IV. Experimental Study of BaSO4 and SrSO4 Scaling in Steel Tubings.

Cited by 7 publications

References 0 publications

Prediction and Evaluation of Calcium Carbonate Deposition at Surfaces

Prediction and Evaluation of Calcium Carbonate Deposition at Surfaces

Using an Electrochemical Approach for Monitoring Kinetics of CaCO3 and BaSO4 Scale Formation and Inhibition on Metal Surfaces

A Novel Approach for Monitoring of CaCO3 and BaSO4 Scale Formation

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