Fluid Composition Using Optical Analysis and Gas Chromatography

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United States of America Patent

APP PUB NO 20160177716A1
SERIAL NO

14574334

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Methods and systems are provided for determining a gas/oil ratio using gas chromatography and optical analysis of a fluid sample obtained using a fluid sampling tool. In some embodiments, a gas/oil ratio may be determined from the mass fraction of each light component of the fluid, the mass fraction of each intermediate component of the fluid, a molecular weight of each light component of the fluid, a molecular weight of each intermediate component of the fluid, the density of stock tank oil, the vapor mass fraction of the intermediate components of the fluid, and the mass fraction of the plus fraction of the fluid. In some embodiments, a gas/oil ratio may be determined from the density of stock tank oil, the vapor mole fraction of the intermediate components of the fluid, and the molecular weight of stock tank oil.

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Patent Owner(s)

Patent OwnerAddress
SCHLUMBERGER TECHNOLOGY CORPORATION300 SCHLUMBERGER DRIVE SUGAR LAND TX 77478

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Crank, Jeffrey Walpole, US 7 38
Gisolf, Adriaan Houston, US 53 315
van, Hal Ronald EG Belmont, US 13 78
Zuo, Youxiang Burnaby, CA 68 566

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