METHOD OF MINIMIZING IMMISCIBLE FLUID SAMPLE CONTAMINATION

METHOD OF MINIMIZING IMMISCIBLE FLUID SAMPLE CONTAMINATION

A method of formation fluid sampling that includes setting a dual packer tool in a wellbore. The dual packer tool is used to isolate an interval between an upper packer and a lower packer. The method also includes drawing fluid from the interval with a lower inlet, until an oil fraction increases ov...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Halani, Pratik, Pfeiffer, Thomas, Edmundson, Simon, Partouche, Ashers, Achourov, Vladislav
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:A method of formation fluid sampling that includes setting a dual packer tool in a wellbore. The dual packer tool is used to isolate an interval between an upper packer and a lower packer. The method also includes drawing fluid from the interval with a lower inlet, until an oil fraction increases over a base line reading, and drawing oil from by pumping at a low rate with an upper inlet.