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专利名称：Method of drilling and completing multiple
wellbores inside a single caisson
发明人：Mark C. Glaser,Jack R. Allen,Gerald M.
Ferguson,Ralph A. Alvarez
申请号：US10956742申请日：20041001公开号：US072067B2公开日：20070904
专利附图：
摘要：A method and apparatus for drilling and completing multiple wellbores from asingle drilling rig and from within a single wellhead is provided. In one embodiment, a
template is disposed at a predetermined location downhole within a casing. In oneaspect, a first casing string is lowered with the template to the predetermined locationand disposed within a first wellbore. A second wellbore may be drilled through a bore inthe template. A second casing string may then be lowered through the bore into thesecond wellbore. In another embodiment, at least two wellbores are drilled andcompleted from a surface casing having a crossover portion.
申请人：Mark C. Glaser,Jack R. Allen,Gerald M. Ferguson,Ralph A. Alvarez
地址：Houston TX US,Porter TX US,Houston TX US,Houston TX US
国籍：US,US,US,US
代理机构：Patterson & Sheridan, LLP
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