Reservoir sampling tools and methods

Techniques for sampling a subsurface reservoir include lowering a downhole logging tool comprising one or more samplers, a cleaner system, and a sample probe bit into a borehole until at least one sampler is positioned correctly in a subterranean reservoir; advancing the cleaner system into the rese...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Snowdon Lloyd Ross, Larter Stephen Richard, Bennett Barry
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS COLORIMETRY EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY FIXED CONSTRUCTIONS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS RADIATION PYROMETRY TESTING
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Beschreibung
Zusammenfassung:	Techniques for sampling a subsurface reservoir include lowering a downhole logging tool comprising one or more samplers, a cleaner system, and a sample probe bit into a borehole until at least one sampler is positioned correctly in a subterranean reservoir; advancing the cleaner system into the reservoir cleaning mud filtrate and contaminated reservoir material away into a mud column; advancing the sample probe bit into the reservoir; and solvent is injected into the reservoir from the solvent reservoir.