Method for multi-lateral completion and cementing the juncture with lateral wellbores
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United States of America Patent
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Dec 26, 1995
Grant Date -
N/A
app pub date -
Dec 6, 1994
filing date -
Dec 6, 1994
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to art improved method for multilateral completion and cementing (e.g. sealing) the juncture between primary and lateral wellbores. The completion method of the present invention addresses the issue of cementation and sealing of junctures between vertical and lateral wellbores. It is desirable to have the ability to re-enter each lateral wellbore as well as maintain the option to perform any function that could be done in a single wellbore. For this reason, cemented and sealed lateral wellbores are desirable so that normal isolation, stimulation or any other operation can be achieved. The method allows sealing and reworking of either wellbores with single laterals or multiple laterals and provides safe durable junctions therebetween. The method of this invention utilizes a 'hook' liner hanger system.
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