New technique combats lost circulation

Matador Operating Corp. combated lost-circulation problems in Monument field, Hobbs, NM, by combining tubing release procedures with a specialized cement-plug setting technique.Key to the new technique is the use of a sacrificial fiberglass tailpipe, tailored to the length of the lost-circulation zone. Until it is drilled out with the cement, the tailpipe remains in the cement plug that is pumped to stop the lost circulation.Matador has used the technique in five wells in which circulation was lost completely in depleted zones. In these wells, the technique plugged the lost-circulation zones on the first attempt.With conventional plug-setting techniques, Matador required an average two to...

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