Research and on-site application analysis of oil well overhaul technology
With the increase of oilfield development time and the continuous increase of geological reserves,reservoir characteristics,formation stress,fluid properties,etc.will all change.The downhole technology of oil wells is becoming increasingly complex,seriously affecting the production capacity of oil wells.This article takes L oilfield as an example to address the increasing number of downhole accident wells.Based on the analysis of previous operations,major repair wells are classified and major repair process technology research is carried out,including mold printing,sleeve milling,grinding and milling,and salvage processes.The focus is on analyzing technical principles,key points,and related tool parameters to guide on-site implementation of major repairs and achieve good economic benefits.
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