Method for establishing a relief well
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United States of America Patent
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Jan 31, 2017
Grant Date -
Nov 27, 2014
app pub date -
Jan 18, 2013
filing date -
Jan 18, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method of extracting oil from a reservoir. The method comprises the following steps: drilling of a first well; mounting and cementing of well pipes in the first well; mounting of a Blow Out Preventer or Lubricator in the top of the well. At a distance from this well, a second well is drilled against a section of the first well such that the second well gets into operational contact with the first well. Hereafter well pipes are mounted and cemented in the second well; a Blow Out Preventer or Lubricator is mounted in the top of the second well; where after the drilling from the first or the second well is continued down into the reservoir.
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