KOBE SUB, WELLBORE TUBING STRING APPARATUS AND METHOD
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United States of America Patent
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N/A
Issued Date -
Nov 28, 2013
app pub date -
May 14, 2013
filing date -
Nov 19, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To address concerns of kobe plug cap portions being inadvertently removed, for example, by abutment with strings or tools passing thereby, a shielding structure may be employed to protect the cap against inadvertent removal. The port opening tool useful with the kobe plug is selected to overcome the shielding structure to open the kobe plug. To address concerns of a portion of the kobe plug becoming loose in the tubing string inner bore, a capturing mechanism may be provided that captures the cap portion after it is removed to open the kobe plug and prevented the cap portion from becoming loose in the inner bore of the tubing string.
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