The TruFrac composite frac plug from Weatherford International is rated for use in environments with temperatures to 300 degrees F and pressures to 10,000 psi. It can be used in single- and multiple-zone stimulation operations in vertical, deviated, horizontal or multilateral wells. When deployed in horizontal wells, the plug can run in hole up to 500 fpm. 713/693-4161; www.weatherford.com