Method and apparatus for obtaining heavy oil samples from a...

E - Fixed Constructions – 21 – B

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E21B 49/00 (2006.01) B01D 29/11 (2006.01) B01D 35/18 (2006.01) B03B 9/02 (2006.01) E21B 43/22 (2006.01) G01N 1/42 (2006.01) G01N 1/44 (2006.01) G01N 33/28 (2006.01)

Patent

CA 2676673

The invention relates to an apparatus and method to obtain a bitumen or heavy oil sample from an oil reservoir sample, such as a core sample, to enable measurement of physical properties such as viscosity, API gravity, or chemical properties such as sulphur content of the obtained bitumen or heavy oil sample. The analyses performed on the samples obtained in accordance with the invention are effective in assisting oil field operators in making timely drilling and production decisions at the oil reservoir or for routine laboratory extraction of oils and bitumens. The invention also permits the collection of samples from simulated thermal recovery operations and also allows the collection of bitumens and oils for online analysis of live oil physical properties.

L'invention concerne un appareil et un procédé pour obtenir un échantillon de bitume ou de pétrole lourd à partir d'un échantillon de réservoir de pétrole, tel qu'une carotte, pour permettre la mesure de propriétés physiques telles que la viscosité, la densité API ou des propriétés chimiques telles que la teneur en soufre du bitume ou de l'échantillon de pétrole lourd obtenu. Les analyses réalisées sur les échantillons obtenus selon l'invention sont efficaces pour aider les opérateurs de champ pétrolifère à prendre des décisions de forage et de production opportunes sur le gisement de pétrole ou pour l'extraction de routine en laboratoire de pétroles et de bitumes. L'invention permet également la collecte d'échantillons à partir d'opérations de récupération thermique simulées et permet également la collecte de bitumes et de pétroles pour une analyse en ligne de propriétés physiques de pétrole brut.

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