Abstract
Natural gases are a mixture of hydrocarbons which are generally in a gaseous state. Due to the variation in transport parameters (pressure, temperature) and gas composition, there may be sectors where those appear in liquid state, the condensate. The paper presents a system for managing the quantities of fluids from a network in which the liquid state appears. Based on a simulator that includes flash computation, a physical balance of the transport or gathering network can be made.
Highlights
In the natural gas gathering or transport networks due to their composition and transport parameters it is possible that liquid phase, the condensate, will appear
This paper presents the management of a natural gas gathering network from an offshore field where the groups of wells are connected to the extraction platforms, the gathering network is submarine, and the gas enters the gathering network with parameters close to the wells production
In the gas gathering networks, and sometimes in the transport, most often a liquid phase occurs due to the condensation of a quantity of gas
Summary
In the natural gas gathering or transport networks due to their composition and transport parameters (pressure, temperature) it is possible that liquid phase, the condensate, will appear If it were to be separated on the offshore platforms and sent separately through the pipes, it would be necessary to build a liquid transport network next to the gas gathering network, which would increase the cost. For this reason, it is preferable to transport the gases coming from the wells through a single network even if the liquid phase sometimes occurs. In this paper are presented the modalities of dynamic control of a gas network in which the liquid phase appears, so that, taking into account the production entering the transport network, it is possible to predict production over a certain period of time
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