Self-anchoring cementing wiper plug

Details Self-anchoring cementing wiper plug Self-anchoring cementing wiper plug

E - Fixed Constructions

21

B

E21B 33/16 (2006.01) E21B 33/13 (2006.01)

Patent

CA 2406748

A self-retaining cementing wiper plug has two or more steel or carbide tipped holddown fingers or slips extending radially outward from the plug for engaging the inner surface of the casing and preventing the plug from moving uphole over time and potentially interfering with other downhole apparatus such as a pump.

Bouchon de cimentation à autoancrage doté de deux ou plusieurs griffes de fixation ou coins grippeurs en acier ou en carbure qui s'étendent radialement vers l'extérieur à partir du bouchon pour coopérer avec la surface interne du bâti et empêcher que le bouchon remonte éventuellement vers la surface et interfère potentiellement avec d'autres appareils de fonds de puits, comme une pompe.

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