APPARATUS AND METHOD FOR PRODUCING OIL AND GAS USING BUOYANCY EFFECT

摘要

A method of producing oil and gas from a gathering manifold or a well. The method includes the steps of channeling field production into a sealed vessel through an inlet pipe, and permitting oil and gas components of the field production to separate naturally from water and other fluids within the vessel. The method further includes the steps of evacuating the separated oil and gas from the vessel via pipelines attached to the vessel at locations corresponding to the separated oil and gas, and pumping seawater into the vessel to pressurize the vessel and thereby aid in the production of oil and gas from the vessel.

主权项

1. A method of installing a gas and oil production vessel at an offshore well site, the method comprising:
a) towing the vessel to a well site with a ship; b) tilting the vessel into an upright position, with the top of the vessel oriented above the bottom of the vessel; c) partially filling the vessel with seawater until the vessel is partially submerged; d) fixing the vessel to the seabed using pillars or cables, or a combination of pillars and cables; e) connecting a pipe from the well to the bottom of the vessel to deliver field production to the vessel; f) connecting production pipes at predetermined locations on the vessel for flowing oil and gas away from the vessel; g) connecting pumps to the vessel to pump seawater into the vessel for purposes of pressurizing the vessel.