Apparatus and method for utilizing flexible tubing with lateral bore holes
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United States of America Patent
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-
Jul 17, 2001
Grant Date -
N/A
app pub date -
Jul 30, 1999
filing date -
Jul 30, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method for utilizing a flexible tubing string (18) for forming and isolating a lateral entrance opening (23) to a lateral bore hole (25) from a main bore hole (10). A packer (38) mounted on the lower end of a tubular guide (40) has an elbow (56) between an upper central entrance opening (58) and a side exit opening (60). The packer (38) and tubular guide (40) are lowered within the main bore hole (10) to a predetermined depth and azimuth for side exit opening (60) which is positioned adjacent the proposed lateral bore hole (25). Packer (38) is then inflated. The flexible tubing string (18) having a hole forming member on its lower end is lowered within tubular guide (40) and elbow (56) for forming the lateral entrance opening (23, 24) for the lateral bore hole (25) with opening (23, 24) isolated.
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