| 摘要 |
A well bore liner placement method and apparatus, including inserting a line r running assembly carrying a liner into a well bore, the assembly including a liner placement apparatus having an annular seal extending radially to sealingly engage the well bore, and pumping fluid into the annulus above the annular seal until fluid pressu re on the upper surface area of the annular seal creates a force exceeding opposing bottomhole forces below the annular seal and thereby driving the liner down the well bore.
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