Underwater gas field development methods and systems
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United States of America Patent
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May 30, 2017
Grant Date -
Jan 22, 2015
app pub date -
Aug 1, 2013
filing date -
Jul 18, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Underwater gas pressurization units and liquefaction systems, as well as pressurization and liquefaction methods and gas field development methods are provided. Gas is compressed hydraulically by seawater introduced into vessels and separated from the gas by a water immiscible liquid layer. Tall, possibly vertical helical vessels are used to reach a high compression ratio that lowers the liquefaction temperature. Cooling units are used to liquefy the compressed gas, possibly by a coolant which is itself pressurized by a similar mechanism. The coolant may be selected to be liquefied under surrounding seawater temperatures. The seawater which is used to pressurize the gas may be used after evacuation from the vessels to pressurize intrastratal gas in the production stages and broaden the gas field development.
First Claim
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International Classification(s)
- F25J:LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GAS....
- F02M:SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBU....
- F04B:POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04F:PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUI....
- B01F:MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
- E21B:EARTH OR ROCK DRILLING
- [Classification Symbol]
- [Patents Count]
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