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Technology tackles low-permeability sand in South Texas. T.E. Swift. OGJ, 29 September 1997, 95(39), 68, 70--72.

By the aggressive application of advanced technology, natural gas and oil production has been increased by more than fivefold in less than 21/2 years. Substantial reduction per unit development and production costs were also experienced. Hydraulic fracturing, remote fracture monitoring, velocity strings, slim-hole drilling, single-stage cementing, production monitoring, vapour recovery, and field performance are described.

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