Kinetics study of barium sulphate surface scaling and inhibition with a once-through flow system

Abstract

The deposition and subsequent growth of inorganic scale on completion equipment is a major problem within the oil and gas industry. An in-situ flow cell was designed to investigate barium sulphate surface fouling on stainless steel. The set-up allows realtime analysis of the formation of scale as well as following various scaling parameters such as the surface coverage or number and size of crystals growing on the surface. The experimental results were fitted to a diffusion-controlled crystallisation based model. The effect of PolyPhosphinoCarboxylic Acid (PPCA) scale inhibitor on the growth of crystals was studied and showed that the Minimum Inhibition Concentration (MIC) is different for the surface and bulk solution. The results show that the inhibition mechanism was controlled by the mass transport of scale inhibitor molecules to the active sites of the growing crystals.

Review of Synthesis and Evaluation of Inhibitor Nanomaterials for Oilfield Mineral Scale Control

“…In oilfield operations, the most commonly adopted approach in controlling scale threat is to apply chemical scale inhibitors (Zhang P. et al, 2015;Bukuaghangin et al, 2016;Liu Y. et al, 2016). Scale inhibitors are a class of specialty chemicals, which can kinetically delay mineral scale formation and subsequent precipitation (Wang et al, 2013(Wang et al, , 2014Zhang et al, 2019c).…”

Laboratory investigation of co-precipitation of CaCO3/BaCO3mineral scale solids at oilfield operating conditions: Impact of brine chemistry

“…Scale formation is a ubiquitous phenomenon in nature and in daily life. However, massive scale formation and subsequent precipitation can lead to throughput reduction and eventually pipe/conduit blockage in various industrial processes (Bukuaghangin et al, 2016;Ghaderi et al, 2009;Jordan et al, 2012;Kan and Tomson, 2012;Lecerf et al, 2005;Rostami et al, 2019;Vazquez et al, 2016;Zhang et al, 2018b). Scale associated operational issues are particularly challenging in oilfield operations and especially in deepwater productions (Fink, 2011).…”

“…It has been discussed in a number of recent studies that thermodynamics and kinetics are two key aspects of the scale deposition process (Bukuaghangin et al, 2016;Sanni et al, 2017;Zhang et al, 2018aZhang et al, , 2019. Thermodynamic studies aim at understanding the extent of scale saturation and the amount of scale solid precipitated.…”

“…Thus, although thermodynamic studies have well established the theoretical basis of scale depositions, there are limited studies in the domain of scale deposition kinetics due to its complicated nature (Zhang et al, 2018a(Zhang et al, , 2019. Recently, a few studies have elaborated several laboratory approaches to evaluate the kinetic process of scale deposition experimentally (Bukuaghangin et al, 2016;Sanni et al, 2017;Zhang et al, 2018aZhang et al, , 2019. These experimental approaches include plug-flow type tubing device, once-through flow visualization equipment and rotating cylinder setup.…”

Remoção de bário de efluente aquoso industrial por precipitação mediante dessupersaturação, adição de sulfato em excesso e abrandamento: estudo dos mecanismos dos aspectos tecnológicos e da ecoeficiência dos processos.

“…Ayoub et al (2014) alcançaram a eliminação completa de silício a partir da solução em pH de 10,5 e temperatura de 20 o C, pela formação de compostos MgSi. Gabelich et al (2007) (BUKUAGHANGIN et al, 2016;EL-KORASHY, 2003).…”