Camcorder guides fishing, casing repair

Donald G. NelsonVaquero Energy Inc.Edison, Calif.Movie images obtained with an off-the-shelf camcorder deployed on the end of a rope greatly reduced the time and cost associated with fishing and casing repair of a severely damaged shallow heavy-oil well in a cyclic-steam project.The well, Vaquero Energy Inc.'s Young Fee K2-2, is in Edison field in California's San Joaquin basin.Inadequate information about the physical nature of subsurface damage often complicates pipe recovery and remedial operations. These uncertainties increase risk and cost, and as a result many remedial jobs fail, are over expended, or are never attempted.The industry has tools for obtaining downhole informat...

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