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For the past 17-plus years, it has been my privilege to serve as your JPT Technology Editor. After growing up in the oil patch as the son of a sales engineer for a major service company, I have spent all but a couple of years of my adult life as an oily. -
Two conventional attempts to run a 7-in. liner to total depth (TD) in a Norwegian North Sea well had been unsuccessful, with the liner hanging up hundreds of meters from TD. The problem was caused by borehole instability and severe washout in the weak shales, coals, and notorious paleosols of the area. A sidetrack was drilled successfully, and the liner was run with D…
