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US 5,199,496 AGranted
Subsea pumping device incorporating a wellhead aspirator
AssigneeTexaco Inc.
InventorsClifford L. Redus, Peter L. Sigwardt
Life of this patent
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Abstract
A system is disclosed for subsea transportation of a hydrocarbon production stream utilizing a wellhead aspirator to reduce wellhead flowing pressure. By using the Bernoulli effect, a head is delivered to the flowing stream that enables the crude oil/water/gas fluid within the system to be moved farther distances than wellhead pressure alone would allow.
Claims6
A method for achieving subsea transportation of hydrocarbons comprising:
- providing at subsea wellhead terminus of at least one producing well, an aspirator having one end connected to a piping system extending to a remote production facility;
- connecting said aspirator to said wellhead;
- and
- opening said aspirator to hydrostatic sea pressure whereby a pressure differential is created enabling flow of oil and gas from said wellhead to said production facility.
1 more element
A system for moving hydrocarbons significant subsea distances comprising:
- a subsea wellhead connected to at least one producing well penetrating into an oil bearing formation;
- aspirator means connected to said wellhead;
- pipe means connecting said aspirator means to a remote production facility;
- one way means connecting said aspirator means to hydrostatic sea pressure, whereby the Bernoulli effect of said aspiration or means will cause a pressure differential enabling movement of oil and gas from said wellhead to said production facility.
1 more element
Dependencies are inferred from the claim text.