Petrogypsies
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Petrogypsies is a science fiction novel by Rory Harper. It incorporates a short story that was published in 1985 in Far Frontiers, vol 2. The novel's plot focuses on a group of oil field workers in an alternate Texas who use giant, semi-sentient, worm-like creatures—possibly of extraterrestrial origin—to drill their wells, and on Sprocket, the team's drilling beast.
DarkStar Books and Rory Harper plan to continue the series in two new books, Sprocket Goes International and Sprocket Goes interstellar.