Flexible wellbore broach
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 18, 2007
Grant Date -
Jul 21, 2005
app pub date -
Jan 18, 2005
filing date -
Jan 16, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and apparatus for milling and/or broaching within a wellbore. A flexible broach runs into the wellbore and is located adjacent a portion of the wellbore to be broached. The broach reciprocates axially within the wellbore and removes at least part of the portion to be broached. Weight may be coupled to the broach, thereby applying a resultant side load for broaching an offset portion of the wellbore. The broach comprises a flexible member that may be a bare cable. When an abrasive material is disposed on an outer surface of the flexible member, the flexible member may be a cable, a continuous rod, or pressurized coiled tubing. Alternatively, sleeves positioned on the flexible member may have an abrasive material on their outer surface. A rotational mill that is either coupled to the broach or run in separately from the broach can further mill the wellbore.
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