Importance

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Abstract

An apparatus and method for forming a monodiameter wellbore casing. The casing includes a second casing positioned in an overlapping relation to a first casing. The inside diameter of the overlapping portion and at least a portion of the second casing are substantially equal to the inside diameter of the non-overlapping portion of the first casing. The apparatus includes a support member, an adaptor coupled to the support member, an outer sleeve coupled to the adaptor, a hydraulic slip body coupled to the outer sleeve, a packer cup mandrel coupled to the hydraulic slip body, hydraulic slips coupled to the hydraulic slip body, a shoe coupled to the outer sleeve, an inner mandrel coupled to the shoe and hydraulic slip body, an expansion cone mandrel coupled to the inner mandrel, an expansion cone coupled to the expansion cone mandrel, and a guide nose coupled to the expansion cone mandrel.

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First Claim