Shelf Drilling International Holdings has acquired 38 shallow-water drilling rigs from Transocean Ltd. (NYSE: RIG). The deal is valued at $1.05 billion, including $855 million in cash and $195 million in seller financing. Shelf Drilling is a portfolio company of Castle Harlan, CHAMP Private Equity and Lime Rock Partners. www.shelfdrilling.com
Apax Partners has offered to acquire Montreal-based armored car company Garda World Security (TSX: GW) for C$1.1 billion, or C$12 per share (30% premium to last Thursday’s closing price). Participating alongside Apax is Garda founder, chairman and CEO Stéphan Crétier. www.apax.com
OnCourse Learning, a portfolio company of The Riverside Co., has acquired CompuTaught, an Atlanta-based provider of online training courses and print resources for real estate broker, appraisal, mortgage and home inspection licensing. No financial terms were disclosed. www.oncourselearning.com
Sun Capital Partners has acquired S&N Communications, a Kernersville, N.C.–based provider of construction and maintenance services to telecom, cable, natural gas and utility companies. www.suncappart.com
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