Methods and apparatus for measuring formation properties

E - Fixed Constructions – 21 – B

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E21B 47/06 (2006.01)

Patent

CA 2556433

This application relates to various methods and apparatus for rapidly obtaining accurate formation property data from a drilled earthen borehole. Quickly obtaining accurate formation property data, including formation fluid pressure, is vital to beneficially describing the various formations being intersected. For example, methods are disclosed for collecting numerous property values with a minimum of downhole tools, correcting and calibrating downhole measurements and sensors, and developing complete formation predictors and models by acquiring a diverse set of direct formation measurements, such as formation fluid pressure and temperature. Also disclosed are various methods of using of accurately and quickly obtained formation property data.

Cette invention porte sur divers procédés et sur un appareil permettant d'obtenir rapidement des données précises des propriétés d'une formation à partir d'un puits foré en terre. Une obtention rapide et précise des données des propriétés d'une formation, telles que la pression du fluide de la formation, est vitale pour faire avantageusement le recoupement des diverses formations. L'invention porte, par exemple, sur des procédés visant à recueillir de nombreuses valeurs des propriétés avec un minimum d'outils de fond de trou, corriger et calibrer les mesures et les capteurs de fond de trou et développer des prédicteurs et des modèles de formation complets par acquisition d'un ensemble de mesures de formation directes, telles que la pression et la température du fluide de la formation. L'invention porte également sur divers procédés d'utilisation de données de propriétés de formation obtenues avec précision et rapidité.

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