Abstract
When the Beatrice field came into production in September 1981, it was the first North Sea offshore oil field to depend from the outset upon Artificial Lift to maintain production. In view of the low gas-oil ratio of the Beatrice crude, the use of Electrical Submersible Pumps proved the only feasible option, and the maximisation of the operating life of the downhole pump was obviously critical to the economic viability of the project. This paper describes how the Electrical Submersible Pump performance on Beatrice has been progressively improved through diligent analysis of completion performance data and failed completions, the results of which have led to both the optimisation of completion design and the development of new and existing mechanical and electrical components.
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