Core orientation determination

Details Core orientation determination Core orientation determination

E - Fixed Constructions

21

B

E21B 25/02 (2006.01) E21B 25/10 (2006.01) E21B 47/022 (2006.01) E21B 47/024 (2006.01)

Patent

CA 2651818

A core orientator, comprising a body (11) configured to be receivable in a bore hole and to be lowered into the bore hole, the body defining a space (17) which in use is intended to receive a liquid, the space supporting a reference member (23) which is at least substantially supported by the liquid, the reference member having a reference face with a centre, the reference member being weighted such that when the space is at least partially filled by the liquid, the centre will be uppermost, a clamping means (29) adapted to clamp the reference member in position within the space on the lower end of the body being engaged with the bottom of the bore hole.

Dispositif indicateur de l'orientation d'une carotte comprenant un corps (11) configuré pour pouvoir être reçu dans un trou de forage et pour être descendu dans le trou de forage, le corps définissant un espace (17) qui, en service, est destiné à recevoir un liquide, l'espace supportant un élément de référence (23) qui est au moins sensiblement supporté par le liquide, l'élément de référence possédant une face de référence qui comporte un centre, l'élément de référence étant lesté de sorte que lorsque l'espace est au moins partiellement rempli par le liquide, le centre soit vers le haut, un moyen de serrage (29) adapté pour serrer l'élément de référence en position à l'intérieur de l'espace sur l'extrémité inférieure du corps qui est engagé avec le fond du trou de forage.

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