Method for determining the thermal profile of a drilling...

Details Method for determining the thermal profile of a drilling... Method for determining the thermal profile of a drilling...

E - Fixed Constructions

21

B

E21B 21/00 (2006.01) E21B 47/06 (2006.01)

Patent

CA 2361653

Method intended for real-time determination of a thermal profile of the drilling fluid in a well from three measuring points available in the field, i.e. the injection temperature, the outlet temperature and the bottomhole temperature. The form of the profile between these three points is defined by a type curve representative of the thermal profiles in a well under drilling, estimated from physical considerations on thermal transfers in the well.

Méthode pour déterminer en temps réel un profil thermique du fluide de forage dans un puits à partir de trois points de mesures disponibles sur le chantier, c'est-à-dire les températures d'injection, de sortie et en fond de puits. La forme du profil entre ces trois points est définie par une courbe type représentative des profils thermiques dans un puits en forage, estimée à partir de considérations physiques sur les transferts thermiques dans le puits.

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