Grooved expandable recess shoe and pipe for deployment of...

Details Grooved expandable recess shoe and pipe for deployment of... Grooved expandable recess shoe and pipe for deployment of...

2008-06-05

2010-06-08

Neuder, William P (Department: 3672)

Wells

Processes

Assembling well part

Reexamination Certificate

active

07730955

ABSTRACT:
A first, expandable casing member, in an unexpanded state, is provided with a lower axial end that has a radially expanded upset or recess shoe and a locating profile. The first casing member is run into a wellbore, expanded, and secured in place within the wellbore. A second expandable casing member is then provided in an unexpanded state and disposed into the wellbore through the first casing member using a running tool. The second casing member is located with respect to the first casing member and expanded using an expansion member carried by the running tool.

REFERENCES:
patent: 6457532 (2002-10-01), Simpson
patent: 6843322 (2005-01-01), Burtner et al.
patent: 7140444 (2006-11-01), Mackay
patent: 7410001 (2008-08-01), Harrall et al.
Walvekar et al., “Expandable Technology Improves Reliability of Conventional Liner Hanger Systems,” IADC/SPE 99186, Feb. 2006, 11 pages.
Norton et al., “Wind Tunnel Tests of Inclined Circular Cylinders,”Society of Petroleum Engineers Journal, Feb. 1983, pp. 191-196.

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