Equinor Energy As

Statoil Petroleum As

Gry Pedersen Kojen

Arne Olav Fredheim

Knut Arild Maråk

Lars Henrik Gjertsen

Cecilie Gotaas Johnsen

Knut Arid Maråk

Eivind Johannessen

Andrea Carolina Machado Miguens

Cecille Gotaas Johnsen

Andrea Carolina Miguens

A system for offshore hydrocarbon processing may include a host at surface level, a subsea processing plant, and an umbilical connecting the host and the subsea processing plant. The subsea processing plant may be adapted to receive a multi-phase hydrocarbon stream from a wellhead and to output at least a hydrocarbon gas-phase stream satisfying a rich gas pipeline transportation specification to a pipeline. The umbilical provides a desiccant for drying the hydrocarbon gas, as well as power and control, from the host to the subsea processing plant.

Compact hydrocarbon wellstream processing

A method of dehydrating a hydrocarbon gas stream including stripping water from a liquid desiccant stream using a water-undersaturated portion of the gas stream, drying the gas stream to extract the stripped water, and then further drying the partially-dried gas stream using the stripped desiccant to achieve a low water content level in the gas stream for pipeline transportation. In one embodiment, the liquid desiccant is supplied by a regeneration facility at a remote location and the liquid desiccant is returned to the regeneration facility for regeneration after drying the gas. In another embodiment, the regeneration of the desiccant is performed locally whereby the liquid desiccant is, after drying the gas, stripped again of water and reused locally.

Method and apparatus for dehydration of a hydrocarbon gas

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Porsgunn, Norway

Gry Pedersen Kojen