期刊
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
卷 147, 期 -, 页码 699-706出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.petrol.2016.09.035
关键词
Scaling; Surface deposition; Inhibition; Barium sulphate; Crystal growth
资金
- Flow Assurance and Scale Team (FAST)
- Federal Republic of Nigeria
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 real-time 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 crystallization 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. (C) 2016 Published by Elsevier B.V.
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