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Vol 176
Pages:
57-60
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RUS

Problems of water flooding of oil fields on the shelf of the Arctic seas

Authors:
V. I. Litvinenko
About authors
  • TFI for the North-West Federal District
Date submitted:
2007-09-07
Date accepted:
2007-11-24
Date published:
2008-10-06

Abstract

Calculations have shown that injecting of seawater in the reservoir and its mixing with underground water does not provoke precipitation of calcite and/or gypsum, at any mix proportions. Those mixtures of reservoir and sea waters are saturated in barium sulfate and strontium carbonate, but their precipitation is however unlikely in polysalt brine systems. In the case of their improbable deposition, a scaling inhibitor should be easily used. The water treatment scheme includes the heating of Pechora sea water before its injection into reservoir. Decay of the seawater calcium bicarbonate with precipitation of CaCO 3 is possible under heating. In general, the water treatment technology of injection is actually elaborated as for the Pechora sea water so for the produced bed water.

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