Details of Grant 

EPSRC Reference:	GR/J93221/01
Title:	EFFECT OF HEAVY OIL COMPOUNDS ON HYDRATE FREE ZONE AND AMOUNT OF HYDRATES FORMED IN SUBSEA TRANSFER LINES
Principal Investigator:	Danesh, Professor A
Other Investigators:	Todd, Professor A
Researcher Co-Investigators:
Project Partners:
Department:	Institute Of Petroleum Engineering
Organisation:	Heriot-Watt University
Scheme:	Standard Research (Pre-FEC)
Starts:	20 July 1994	Ends:	19 July 1996	Value (£):	126,161
EPSRC Research Topic Classifications:	Multiphase Flow
EPSRC Industrial Sector Classifications:	Energy
Related Grants:
Panel History:
Summary on Grant Application Form
1. To generate hydrate equilibrium data and model perameters for compounds present in oil and gas condensate fluids, which are currently being treated as non hydrate formers, to allow a more reliable prediction of hydrate free zone. 2. To enhance a multi phase equilibrium model for reliable prediction of the amount of hydrates to be transferred as slurry in a pipe. This project aims to deliver the following: (1) A set of equilibrium hydrate data on at least six compounds that are generally present at significant concentrations in oil and gas condensate fluids. These data would be novel because the compounds are currently assumed to be non hydrate formers. (2) The required potential parameters for the above to enable the existing hydrate models based on the solid solution theory of van der Waals and Plateeuw predicting the hydrate free zone more reliably. (3) A set of equilibrium ratio curves for the above compounds, similar to compounds which are currently being treated as hydrate formers, to be applied in hydrate prediction method using the empirical equilibrium data. (4) A set of quality data on the amount and composition of dispersed hydrates formed from multicomponent hydrocarbon mixtures at subsea transfer line conditions. (5) A comprehensive design tool to predict the hydrate formation boundary for reservoir fluids, particularly for oil and gas condensate systems, and the amount of hydrates in a pipe to be transferred as slurry.
Key Findings
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Further Information:
Organisation Website:	http://www.hw.ac.uk