Methods for storage and transportation of natural gas in liquid solvents

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United States of America Patent

PATENT NO 11815226
APP PUB NO 20230029879A1
SERIAL NO

17699866

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Abstract

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Systems and methods to create and store a liquid phase mix of natural gas absorbed in light-hydrocarbon solvents under temperatures and pressures that facilitate improved volumetric ratios of the stored natural gas as compared to CNG and PLNG at the same temperatures and pressures of less than −80° to about −120° F. and about 300 psig to about 900 psig. Preferred solvents include ethane, propane and butane, and natural gas liquid (NGL) and liquid pressurized gas (LPG) solvents. Systems and methods for receiving raw production or semi-conditioned natural gas, conditioning the gas, producing a liquid phase mix of natural gas absorbed in a light-hydrocarbon solvent, and transporting the mix to a market where pipeline quality gas or fractionated products are delivered in a manner utilizing less energy than CNG, PLNG or LNG systems with better cargo-mass to containment-mass ratio for the natural gas component than CNG systems.

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Patent Owner(s)

  • SEAONE HOLDINGS, LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hall, Bruce Houston, US 20 239
Morris, Ian Cambell River, CA 34 525
Okikiolu, Tolulope O Houston, US 10 31

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