Flow Assurance and Multiphase flow - part 2 By Prof ... - Aker Solutions
Flow Assurance and Multiphase flow - part 2 By Prof ... - Aker Solutions
Flow Assurance and Multiphase flow - part 2 By Prof ... - Aker Solutions
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
SCALE PRECIPITATION<br />
Figure 6.6 SrSO4 crystals<br />
precipitated from brine of<br />
SrSO4 supersaturatiori=5<br />
Figure 7.4 Crystals<br />
precipitated from static<br />
brine BSS3 at 70°C,<br />
(Ba+Sr)/SO4=1,<br />
Sr/Ba=1000<br />
What is oilfield scale?<br />
Oilfield scale is mainly deposits of<br />
inorganic salts such as carbonates <strong>and</strong><br />
sulphates of barium, strontium or<br />
calcium. Scale may also be salts of iron<br />
like sulphides, carbonates <strong>and</strong> hydrous<br />
oxides<br />
Figure 7.58 Crystals grown<br />
from 50:50 mixed North sea<br />
water <strong>and</strong> South Brae under<br />
static condition, 'tree leaves'<br />
crystals<br />
Ref: (Statoil,Saga,Hydro – <strong>Multiphase</strong> Technology Program)<br />
Ref: M. Yuan: PhD thesis, Heriot Watt, 1989<br />
Seminar at <strong>Aker</strong> <strong>Solutions</strong>, Stavanger - May31st, 2011<br />
27
Change language