LEARNING CURVE

摘要

After three years of testing in the U.S., the technology is starting to'migrate to Canada, where this spring's crop of producer annual general meetings started to hear a lot about refrac well candidates and this summer, a handful of wells got refracked. Most of them were done using Halliburton technology, which currently appears to be leading the field-at least in terms of the sheer number of wells treated, some several hundred in the U.S.