Houston Chronicle: The use of one precious fluid - water - to recover another - oil - chafes in dry country. Rivers and groundwater are receding in Texas for lack of rain and over-pumping just when the demand for water in new oil and gas fields is growing.
Now one exploration and production company in San Antonio is fracturing its wells mostly without water, using gas liquids instead, in a practice that`s beginning to spread.
Fracturing, or fracking, refers to using fluid under pressure to create fissures held...