Annular fracturing combo service tool
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United States of America Patent
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N/A
Issued Date -
Mar 20, 2008
app pub date -
Sep 14, 2006
filing date -
Sep 14, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An annular fracturing combo tool and method for perforating and annular fracturing multiple zones of a wellbore on a single trip, the tool being releasably connected to coiled tubing. The annular fracturing combo tool may include a locating device connected beneath a packing device used to hydraulically isolate a portion of the wellbore. The packing device may be connected beneath a sand jetting sub. The sand jetting sub may be releasably connected to an end of coiled tubing, which is used to run the annular fracturing combo tool into the well bore and to supply the sand jetting sub with abrasive material to perforate the wellbore. The coiled tubing may also supply the sand jetting sub with fluid to circulate out of the sand jetting sub during the fracturing process. A yo-yo disconnect tool may releasably connect the annular fracturing combo tool to the end of coiled tubing.
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