1887

Abstract

Summary

Reactive transport simulators are used to investigate the impact of geochemical reactions on in situ brine compositions, and to predict the behaviour of produced brines. These calculations are then used to inform scale management decision making, and to calculate risk of damage and cost of treatment. The authors describe the various types of reservoir interactions that occur during reservoir displacement processes, and then use examples of reactive flow simulations to illustrate the impact of these reservoir processes on scale management decision making and cost, using examples with field data from sandstone and carbonate reservoirs. Barium stripping in sandstone reservoirs undergoing seawater flooding is shown to reduce scaling tendency at the producers, while sulphate stripping due to anhydrite precipitation in a chalk field has an even greater impact, delaying the onset of scaling and reducing chemical treatment costs. The field examples are preceded by a discussion of the velocity at which various saturation, component and thermal fronts propagate, and how mixing regimes are established.

Loading

Article metrics loading...

/content/papers/10.3997/2214-4609.201600780
2016-05-30
2024-03-29
Loading full text...

Full text loading...

References

  1. Geiger, S., Driesner, T., Heinrich, C.A. and Matthai, S.K.
    [2006] Multiphase Thermohaline Convection in the Earth’s Crust: I. A New Finite Element –Finite Volume Solution Technique Combined With a New Equation of State for NaCl–H2O. Transport in Porous Media63399–434.
    [Google Scholar]
  2. Mackay, E.J. and Jordan, M.M.
    [2003] Natural Sulphate Ion Stripping during Seawater Flooding in Chalk Reservoirs. RSC Chemistry in the Oil Industry VIII Conference, Manchester, UK.
    [Google Scholar]
  3. Mackay, E.J., Jordan, M.M., Feasey, N., Shah, D., Kumar, P. and Ali, S.
    [2004] Integrated Risk Analysis for Scale Management in Deepwater Developments. SPE Journal of Production Technology58 (8) 49–51.
    [Google Scholar]
  4. Schmid, K.S., Geiger, S. and Sorbie, K.S.
    [2012] Analytical solutions for co- and counter-current imbibition of sorbing, dispersive solutes in immiscible two-phase flow. Computational Geoscience16351–366.
    [Google Scholar]
  5. Sorbie, K.S. and Mackay, E.J.
    [2000] Mixing of Injected, Connate and Aquifer Brines in Water-flooding and its Relevance to Oilfield Scaling. Journal of Petroleum Science and Engineering27 (1–2) 85–106.
    [Google Scholar]
http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.201600780
Loading
/content/papers/10.3997/2214-4609.201600780
Loading

Data & Media loading...

This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error