SPE Projects, Facilities & Construction
Volume 5,
Number 1,
March 2010,
pp. 13-16
Summary
A study to find the optimum separators pressures of separation stations has
been performed. Stage separation of oil and gas is accomplished with a series
of separators operating at sequentially reduced pressures. Liquid is discharged
from a higher-pressure separator into the lower-pressure separator. The set of
working separator pressures that yields maximum recovery of liquid hydrocarbon
from the well fluid is the optimum set of pressures, which is the target of
this work.
A computer model is used to find the optimum separator pressures. The model
employs the Peng-Robinson equation of state (Peng and Robinson 1976) for
volatile oil. The application of this model shows significant improvement of
all objective functions for many oils (Hassan 2004).
Mathematical correlations for estimating optimum set of pressures have been
deduced from the model to provide simple and quick tools to find the optimum
stages pressures. Many tests have been achieved with many volatile samples at
different conditions to prove the validity of these correlations.
© 2010. Society of Petroleum Engineers
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History
- Original manuscript received:
29 July 2008
- Meeting paper published:
3 November 2008
- Revised manuscript received:
9 April 2009
- Manuscript approved:
27 April 2009
- Published online:
18 March 2010
- Version of record:
18 March 2010
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