ABSTRACT

The outcome of thermohydraulic steady state simulations in general and wellhead temperature calculations in special are very important, since their results are used for the design of the respective production system including its downstream process.

Since today's emphasis is put on cost effective solutions, it is important that the thermohydraulic steady state predictions are as accurate and reliable as possible. The calculated wellhead temperature represents one of the critical parameters.

In 1998 a new model was presented for wellbore and wellhead temperature calculations achieving a discrepancy between predictions and field measurements of 3–5°C. Today, 10 years of experience have been gained using this model, continuously improving its shortcomings. Currently, an accuracy of 2–3°C is achieved.

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