Downhole apparatus and method for expanding a tubing
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 11, 2000
Grant Date -
N/A
app pub date -
May 21, 1998
filing date -
Nov 24, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Downhole apparatus is disclosed for use in expanding liner or tubing. The apparatus comprises a body for connection to a string and an expansion portion on the body. The expansion portion includes a plurality of radially movable parts for defining an outer surface thereof. The parts are initially arranged in an axially and circumferentially offset first configuration in which the parts may assume a smaller diameter first configuration. The apparatus is then run Into a borehole and through a length of expandable tubing. The parts are the moved radially outwardly and axially aligned such that the parts assume a larger diameter second configuration and define a substantially continuous outer circumference. The expansion portion is then pulled through the tubing to expand the tubing.
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