作者: Dennis G. Jiral , Lance M. Rayne , Michael E. McMahan , Mark K. Adam
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摘要: A well having a minimum drift between or among strings is provided using that have recessed segment and hanging segment. The length of the in lower end upper string substantially longer than passed through it. segments define dimension. In event gets stuck open hole before it fully advanced, may still be recess so dimension can preserved. Preferably substantial tubular apart from its near top end. One more laterals extended while retaining